3c9c1a327b8f2ea233df272d236bdb7072859c28677c01bdeba854e0b6d2c336

General

Target
4377 - HNF 8700.pdf.vbs
Size 88KB
Sample261030-e41rjsdc34
SHA256 3c9c1a327b8f2ea233df272d236bdb7072859c28677c01bdeba854e0b6d2c336
MD5 6118c1ad15fd52fdb482ab8b969485f5
SHA1 0b684149ae3fb7f32995eb7ae52d40554d608e19
SHA512 a387ccaed504411657c6a834b2ea13133941fd2ff26f3592ed162f68fc25c0ede75a43e67f37cbb28885aff1c03b4e12e721aec9992fa18a534708932e9a5d57
SSDEEP 1536:1RDDlrDSU2G5NSgWn0CO5hYvQ5gu4OrNxLyK:1RHlrDSA55Wns5qvQqtOXr
TLSH
T1BE933A38F91025C42A4E969DBC772773C5E9260DD313206CABE8D24930A69F8D3E9F75
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion discovery execution

Malware Config

Signatures

Badlisted process makes network request 3 IoCs

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

flow	pid	Process
4	1900	WScript.exe
8	5612	powershell.exe
10	5612	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-681733028-2344970462-962213935-1000\Control Panel\International\Geo\Nation	WScript.exe

Contacts third-party web service commonly abused for C2 1 TTPs 3 IoCs

Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

Web Service

T1102

flow	ioc
7	drive.google.com
8	drive.google.com
18	drive.google.com

Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs

execution

Visual Basic

T1059.005

pid	Process
1900	WScript.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs

defense_evasion

Debugger Evasion

T1622

pid	Process
5612	powershell.exe
4028	msedge_proxy.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 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
3320	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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5612	powershell.exe
5612	powershell.exe
5612	powershell.exe
5612	powershell.exe
5612	powershell.exe
5612	powershell.exe
5612	powershell.exe
5612	powershell.exe
4028	msedge_proxy.exe
4028	msedge_proxy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5612	powershell.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
5612	powershell.exe
5612	powershell.exe
4028	msedge_proxy.exe
4028	msedge_proxy.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
5612	powershell.exe
5612	powershell.exe
4028	msedge_proxy.exe
4028	msedge_proxy.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 3320	1900	WScript.exe	86
PID 3320 wrote to memory of 6056	3320	cmd.exe	88
PID 3320 wrote to memory of 5612	3320	cmd.exe	89
PID 5612 wrote to memory of 4028	5612	powershell.exe	97
PID 5612 wrote to memory of 4028	5612	powershell.exe	97

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4377 - HNF 8700.pdf.vbs"
1⤵
- Badlisted process makes network request
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Reads the TCP/IP host and domain name from the registry
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /v:on /c echo ^%Hovednringsvejens^% | !Justitsministeriernes! -
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3320
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo %Hovednringsvejens% "
    3⤵
    PID:6056
- - \??\c:\windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "c:\windows\System32\WindowsPowerShell\v1.0\powershell.exe" -
    3⤵
    - Badlisted process makes network request
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    - Suspicious use of WriteProcessMemory
    PID:5612
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge_proxy.exe"
      4⤵
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      PID:4028

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

Visual Basic

1

T1059.005

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Debugger Evasion

1

T1622

Credential Access

Discovery

Debugger Evasion

Query Registry

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_14swehda.gi0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_14swehda.gi0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/4028-17-0x0000025788FD0000-0x00000257890BA000-memory.dmp

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memory/5612-4-0x0000024F55C00000-0x0000024F55C10000-memory.dmp

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memory/5612-5-0x0000024F55C00000-0x0000024F55C10000-memory.dmp

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memory/5612-11-0x0000024F55BC0000-0x0000024F55BE2000-memory.dmp

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memory/5612-14-0x0000024F589D0000-0x0000024F58A14000-memory.dmp

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memory/5612-15-0x0000024F58AA0000-0x0000024F58B16000-memory.dmp

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memory/5612-16-0x0000024F593E0000-0x0000024F5DE49000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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