b8567eaf96862f5400a6cf5f01179b33fa62932e194c66b4ace07f67ca857319

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
07/03/2024, 04:30

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General

Target

2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_cryptolocker.exe
Size

48KB
MD5

6cb6ac5967e39ca0d91ce9cfd79b0b7f
SHA1

9c2518c0d5f7727431654d3a1d975959426672d9
SHA256

b8567eaf96862f5400a6cf5f01179b33fa62932e194c66b4ace07f67ca857319
SHA512

26e3b3e089aad42a5f73ab768333d03dd45c19c2d1f2169c43fd23ca166210d101b3bcfabd939abf2c12143691fbfe95b467b43f98c3a273960d19ec401b441d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3wwsr0B9b:X6QFElP6n+gJQMOtEvwDpjBD0

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224d-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001224d-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2532	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_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 2236 wrote to memory of 2532	2236	2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_cryptolocker.exe	28
PID 2236 wrote to memory of 2532	2236	2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_cryptolocker.exe	28
PID 2236 wrote to memory of 2532	2236	2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_cryptolocker.exe	28
PID 2236 wrote to memory of 2532	2236	2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-07_6cb6ac5967e39ca0d91ce9cfd79b0b7f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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

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

Filesize
48KB

MD5
10012cde5e93376a1e1cfbac7ca1a5eb

SHA1
19bba2dfd81334050314917a97c309fd9f81190e

SHA256
391a3de3ff4965e74f398e4d64ebe6232d94bdfb8af91135a6c3f0bdbd9b651a

SHA512
c642898fedb713b007026720c34d2ca171871d6912ce7f435bd1d976f12edb8a2eb0d080d89c2d219bc4ac8571ae75cb5b9ff62378568491a7102db254c49173

Download Submit
memory/2236-0-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2236-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2236-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2532-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2532-18-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download