2e6b3da16ac51388eeff8abe2ee6ef786d22691d4e65e6444f211e598ebc45d3

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
25/02/2024, 16:44

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General

Target

2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_cryptolocker.exe
Size

36KB
MD5

c142dfa604169bf561ceeaf2e6a3c293
SHA1

d33b2cb521f96d019778b73a38de473de3babfdf
SHA256

2e6b3da16ac51388eeff8abe2ee6ef786d22691d4e65e6444f211e598ebc45d3
SHA512

66114e1586217a65b0e6502454d6bee22e760f1a9eae281354cbc9b8c8d25269e167e54ca6b75b0b58f06ec236041c8b02cd69fa073ba152d55e73b362636e62
SSDEEP

384:bA74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUqMV6U8zKvGaLLA4:bA74zYcgT/Ekd0ryfj86U8zbCA4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000012248-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2964	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1260	2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_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 1260 wrote to memory of 2964	1260	2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_cryptolocker.exe	28
PID 1260 wrote to memory of 2964	1260	2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_cryptolocker.exe	28
PID 1260 wrote to memory of 2964	1260	2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_cryptolocker.exe	28
PID 1260 wrote to memory of 2964	1260	2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_c142dfa604169bf561ceeaf2e6a3c293_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2964

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
36KB

MD5
00286b219cfc990345976f00de7965b4

SHA1
b7ce543103a540c5b88d36b31584625b39327922

SHA256
79f0667c398570199dd5675fbdd2edddf4fe23177e20af93e89d77c3e6c3c60b

SHA512
63f0568aa0fb511a30175e272bf3ddf5ffa00c2ccc30fe83854384ab584dbb3edf7e2dbf45bce0be73b1c2575e2565ed5aed7a5d7b0b04a2b757d6109db2a45f

Download Submit
memory/1260-0-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1260-1-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1260-3-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2964-15-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2964-16-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download