e914ec6a5f1e7c59251c0178a0d3e9b224faa375b5d6af2f13d669cad9dae3d0

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09-05-2024 22:29

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General

Target

2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_cryptolocker.exe
Size

46KB
MD5

5c0d7b90a1117aa07cce2c7d07a84ede
SHA1

a34bcf5ba61b75f951463c31405af23b7c8899bb
SHA256

e914ec6a5f1e7c59251c0178a0d3e9b224faa375b5d6af2f13d669cad9dae3d0
SHA512

adbd94e01e2e1bc104de7f68209b66eeb34153ebcfc6ca0fcaeb96aa220f9e8ef4bd20d96e003458e352f699339d887fe6e7f137674277d82bf90fa34738fea8
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/DpkG:P6Q0ElP6G+gJQMOtEvwDpjB8WMlZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1912-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000f000000012289-11.dat	CryptoLocker_rule2
behavioral1/memory/1912-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2672-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2672-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1912-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000f000000012289-11.dat	CryptoLocker_set1
behavioral1/memory/1912-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2672-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2672-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2672	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1912	2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_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 1912 wrote to memory of 2672	1912	2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_cryptolocker.exe	28
PID 1912 wrote to memory of 2672	1912	2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_cryptolocker.exe	28
PID 1912 wrote to memory of 2672	1912	2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_cryptolocker.exe	28
PID 1912 wrote to memory of 2672	1912	2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-09_5c0d7b90a1117aa07cce2c7d07a84ede_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2672

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
47KB

MD5
48b60e1187513bff317bc4938ae13eab

SHA1
9cbd0174c25e51ec8a9fecc424366626489d4866

SHA256
db071387b607e9726f1d6329da5548e3ab424dd13b54381d30780bc32c733f00

SHA512
aea55847be5cfea01dadec1182fc710b5b39a58c4667b61f8ed35665bedf5e437a4fbb760d3d0de3799b87cb0270334f3a1558e3f6c561c30b4965d0057ab31d

Download Submit
memory/1912-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1912-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1912-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1912-3-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/1912-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2672-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2672-25-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2672-18-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/2672-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download