4e0ddcd303f27c01dcc8a35a9bd821c53fb7dcca474ac7f0c84d3c6451e9f778

Analysis

max time kernel
440s
max time network
1171s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
09/04/2024, 13:34

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General

Target
Windows Driver Foundation.vbs
Size 984B
Sample240409-qvlrtabe9s
SHA256 2c5907389d374ed9efb86194a7f0f954349c93a7bc67b99c3d6b59bfc0d8296c
MD5 df00d1e54f85ae90f2f69b73a34c90f4
SHA1 1d3e521a8efc17334f4f578432d5af0bb1ef1951
SHA512 5636973f61dd7cce413049f246b5ede00c736f4ac333508a2176b65524327080e17ac97260cbe908fc2d0b18235ee6d7f7a74c808a7ceaddb9ee6518452fa618
MD5 SHA1 SHA512

Score

10^/10

Malware Config

Extracted

Language

Deobfuscated

Source

URLs

ps1.dropper
https://files.catbox.moe/fvl5hy.jpg

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
2	3428	powershell.exe
4	3428	powershell.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
3428	powershell.exe
3428	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3428	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 3428	544	WScript.exe	79
PID 544 wrote to memory of 3428	544	WScript.exe	79

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Windows Driver Foundation.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy remotesigned -File "C:\ProgramData\rrrrrrrr.ps1"
  2⤵
  - Blocklisted process makes network request
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

rrrrrrrr.ps1

Path C:\ProgramData\rrrrrrrr.ps1
Size 437B
SHA256 4247e7a94a7fd5e4266622a37d91770dfedb12587aff4c2ece7812c56bd2c1fb
MD5 3ad705568172956efe092dfac809642c
SHA1 d34bfb981dd4478998ec767879ea00cd6406c496
SHA512 ef89e5b7eec05f3d9bbd2ab1fdd011c0917ef6241f6f0afba139860578498971559e2c66041c70b28a91fb09fdbb67eeee1d8a75179c65949028b45ecc813f97
MD5 SHA1 SHA512

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__PSScriptPolicyTest_jmeysk0x.ifv.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jmeysk0x.ifv.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/3428-3-0x0000027E62FE0000-0x0000027E63002000-memory.dmp

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memory/3428-4-0x00007FFBA6E40000-0x00007FFBA7902000-memory.dmp

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memory/3428-11-0x0000027E63010000-0x0000027E63020000-memory.dmp

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memory/3428-12-0x0000027E63010000-0x0000027E63020000-memory.dmp

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memory/3428-13-0x0000027E63010000-0x0000027E63020000-memory.dmp

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memory/3428-17-0x00007FFBA6E40000-0x00007FFBA7902000-memory.dmp

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