a6ebd6f62b4ed7309d0a0dad26132adb214193231ec565697b2d014d78f21f4c

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-en-20211014
submitted
19-10-2021 14:45

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General

Target

Attachment.jpg.lnk
Size

1KB
MD5

e025546ff8afc85a32191af5bb32a6d5
SHA1

499ba488f9c681d239d58f7b79f3a7186cfbdd8c
SHA256

c3cb6b49bc15bd2a2acd369b8f2bc5170e27c749852a60922faf328b029f8076
SHA512

b5959d4823e270c8121dbadf45348a1c2c32c68cdde67624bb288ccdd0d97a254cb6ad3a4a9958ecac878df48d72c52afc3fe1c02cea6d92f6a57ec914746e38

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

740 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 740 powershell.exe

pid	process
740	powershell.exe

description	pid	process
Token: SeDebugPrivilege	740	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1516 wrote to memory of 740	1516	cmd.exe	powershell.exe
PID 1516 wrote to memory of 740	1516	cmd.exe	powershell.exe
PID 1516 wrote to memory of 740	1516	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Attachment.jpg.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1516

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass -w h -file z.ps1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:740

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/740-55-0x0000000000000000-mapping.dmp

Download
memory/740-57-0x000007FEF1CC0000-0x000007FEF281D000-memory.dmp

Filesize
11.4MB

Download
memory/740-58-0x0000000002960000-0x0000000002962000-memory.dmp

Filesize
8KB

Download
memory/740-59-0x0000000002962000-0x0000000002964000-memory.dmp

Filesize
8KB

Download
memory/740-60-0x0000000002964000-0x0000000002967000-memory.dmp

Filesize
12KB

Download
memory/1516-54-0x000007FEFB5C1000-0x000007FEFB5C3000-memory.dmp

Filesize
8KB

Download