66bb57f798b2f12c8b9ea26e7c240ecfdd09376f16734f1e155953f30730727d

Analysis

max time kernel
140s
max time network
139s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 15:14

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General

Target

2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe
Size

56KB
MD5

321072160eed4640ce9938dfe953b07f
SHA1

9d1715056e177a662eee637bff122e9aabdffb9e
SHA256

66bb57f798b2f12c8b9ea26e7c240ecfdd09376f16734f1e155953f30730727d
SHA512

17eafe935020bd2f240a6b4eb7e740fd1a00717cb9032088725b880cb25ee5cebf83441cbbec7077341ae26f0a9f2b0085f1f10d81ad210b0d2be4ddf0c73e4e
SSDEEP

1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb611Z:BbdDmjr+OtEvwDpjMN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3040	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2972	2024-01-03_321072160eed4640ce9938dfe953b07f_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 2972 wrote to memory of 3040	2972	2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe	14
PID 2972 wrote to memory of 3040	2972	2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe	14
PID 2972 wrote to memory of 3040	2972	2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe	14
PID 2972 wrote to memory of 3040	2972	2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe	14

C:\Users\Admin\AppData\Local\Temp\2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3040

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
56KB

MD5
7f85b9b4b0cbc037a180d9d6e2ab71b0

SHA1
2bbbe70da70d2b2c6e4114c391bd2c576e8c3d6a

SHA256
b426e5874d421055e6ade71d3e5658b0ba946cf5119cb9220eb943e2d6d4b7fd

SHA512
696068124f67d821f224eb803553342bde18670c9dcd6fd883bb9f92aceaf82de9a26da8f702e6c282bc48ac5b4ca659af4492bed930efa886bb907edbfda650

Download Submit
memory/2972-1-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2972-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2972-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2972-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2972-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3040-20-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3040-18-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3040-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3040-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download