2f49265797c7b7452ff754a178995629fbbe1a371873f505dae15ccfe218b170

Analysis

max time kernel
9s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 17:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

teased/brisk.vbs
Size

179B
MD5

d8ab48bc5170122c8acb023c638a66c8
SHA1

2a30177c521710a139b57216415cecb85efb2e58
SHA256

d2f7c74338d0e10042aeeec59f209762bbd131cbdb284ff731d0384de2a1ac7c
SHA512

ef9ce632e556acbcf56617ec623df80a2276a679fd8a7cbb294eb3eae93524772dcdfe4ca0860a9c7d62b41e45353454e2e95ddd0c3c92bbe54ba1d7e966122c

Score

3^/10

Malware Config

Signatures

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 1 IoCs

Processes:

powershell.exe

pid process

1076 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1076 powershell.exe

pid	process
1076	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1076	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 908 wrote to memory of 1076	908	WScript.exe	powershell.exe
PID 908 wrote to memory of 1076	908	WScript.exe	powershell.exe
PID 908 wrote to memory of 1076	908	WScript.exe	powershell.exe
PID 908 wrote to memory of 1076	908	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\teased\brisk.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:908

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass teased\\streetcar.ps1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1076

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/908-54-0x000007FEFBDE1000-0x000007FEFBDE3000-memory.dmp

Filesize
8KB

Download
memory/1076-55-0x0000000000000000-mapping.dmp

Download
memory/1076-56-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download
memory/1076-57-0x0000000073E30000-0x00000000743DB000-memory.dmp

Filesize
5.7MB

Download
memory/1076-58-0x0000000073E30000-0x00000000743DB000-memory.dmp

Filesize
5.7MB

Download