e2753266d0635d17fc3280c156a741aed1db60753426b3d0282f33a818223367

Analysis

max time kernel
3s
max time network
172s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 05:37

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General

Target

2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe
Size

43KB
MD5

0e5f426219c1c072fbf8be018cb6f9a5
SHA1

3533b9662ff36329f5a0e703696f948c70adf6dc
SHA256

e2753266d0635d17fc3280c156a741aed1db60753426b3d0282f33a818223367
SHA512

2f455aa47aed04a56021ea87ed7ed66737cfed1db50e4174b65843e55318f72e6b324949712062639435d4d5ab3746107fc974564d5bf41b2c4f0c519df20c99
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X30D:V6QFElP6n+gMQMOtEvwDpjyaHaXy

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2716	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2836	2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2716	2836	2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe	19
PID 2836 wrote to memory of 2716	2836	2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe	19
PID 2836 wrote to memory of 2716	2836	2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe	19
PID 2836 wrote to memory of 2716	2836	2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe	19

C:\Users\Admin\AppData\Local\Temp\2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_0e5f426219c1c072fbf8be018cb6f9a5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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/2716-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2836-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2836-1-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2836-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download