646c5b0bc32d7f37a4370756116b820e9231ef929308f42e89a32ea5d3427d26

Resubmissions

09-12-2022 20:54

221209-zqdp3sec62 10

01-12-2022 16:23

221201-tvtzzafd56 10

Analysis

max time kernel
48s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 16:23

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Report Analysis Logs

General

Target

BF.vbs
Size

177B
MD5

91b730e7dd7e89e87d7e7e67b0c695a4
SHA1

c610f358633edc0420b6af9d23ce36ceca36fbf9
SHA256

374a6cc6ce512f4e60bb980547b85ff6aae7b83240a558b19aefe1d4ca93932d
SHA512

16442554df51c41527f4ebf79280f5fc90728c23e34dfe841d55a65ad828b83d6b879f5fd6ff1077acda38fa62893cad08136b96e39cefcc17f1c6ff8f399757

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

Processes:

powershell.exe

pid process

1872 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1872 powershell.exe

pid	process
1872	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1872	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WScript.exe

description	pid	process	target process
PID 1376 wrote to memory of 1872	1376	WScript.exe	powershell.exe
PID 1376 wrote to memory of 1872	1376	WScript.exe	powershell.exe
PID 1376 wrote to memory of 1872	1376	WScript.exe	powershell.exe
PID 1376 wrote to memory of 1872	1376	WScript.exe	powershell.exe

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\BF.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:1376

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass teased\\phallic.ps1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872

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/1376-54-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmp

Filesize
8KB

Download
memory/1872-55-0x0000000000000000-mapping.dmp

Download
memory/1872-56-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download
memory/1872-57-0x0000000073DF0000-0x000000007439B000-memory.dmp

Filesize
5.7MB

Download
memory/1872-58-0x0000000073DF0000-0x000000007439B000-memory.dmp

Filesize
5.7MB

Download