4db5d3e71998a41f0f0f4059aba7cb8ab874d150c73a2ca19583b550fc4169df

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 04:23

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General

Target

2024-05-30_c964a8c0c6b09cf7478e50c907619367_cryptolocker.exe
Size

44KB
MD5

c964a8c0c6b09cf7478e50c907619367
SHA1

c6a15f67201a943d521ec6c869c0948a3f1df24a
SHA256

4db5d3e71998a41f0f0f4059aba7cb8ab874d150c73a2ca19583b550fc4169df
SHA512

7bc3a491a79e994cd9d70a63aacce3c121525355e78db185d289e37ad7e25534e24f4a630c1f3a255133958ae90b4d59009fdeb8da5a9e1e9b1d487d91d3bbea
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUkG:bm74zYcgT/EkM0ryfjdG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2056-0-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d000000014708-11.dat	CryptoLocker_rule2
behavioral1/memory/2056-15-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2392-16-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2392-26-0x0000000008000000-0x000000000800D000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2392	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2056	2024-05-30_c964a8c0c6b09cf7478e50c907619367_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 2056 wrote to memory of 2392	2056	2024-05-30_c964a8c0c6b09cf7478e50c907619367_cryptolocker.exe	28
PID 2056 wrote to memory of 2392	2056	2024-05-30_c964a8c0c6b09cf7478e50c907619367_cryptolocker.exe	28
PID 2056 wrote to memory of 2392	2056	2024-05-30_c964a8c0c6b09cf7478e50c907619367_cryptolocker.exe	28
PID 2056 wrote to memory of 2392	2056	2024-05-30_c964a8c0c6b09cf7478e50c907619367_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_c964a8c0c6b09cf7478e50c907619367_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_c964a8c0c6b09cf7478e50c907619367_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2392

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\hasfj.exe

Filesize
44KB

MD5
67f2bb1865365ac2e0f9bb3d6119f88b

SHA1
5c649e2bbe99d6f52ef572ffe16b2b338d9ff3c3

SHA256
247a1eb844439c634c196085a66ed92785bb0a3ced4de8ac3fee88e82fed6134

SHA512
d71e5b2279804140326bec340b6eb6efc5c6c9e072eb8a6addb749ae6735201a29993e2fbb6941f337337b17a972423fba5455932666523645c5dafa327ef93a

Download Submit
memory/2056-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2056-9-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2056-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2056-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2056-15-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2392-16-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2392-25-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2392-18-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2392-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download