f0594d80a95ac06f46c32b305994e68559fa4ee99743b92a7cff05ef46c1bce5

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 03:42

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General

Target

2024-06-02_35e862751652a3450aaa66fe0e5458aa_cryptolocker.exe
Size

47KB
MD5

35e862751652a3450aaa66fe0e5458aa
SHA1

53458a110eeff8cc30a0f0586746f96bc3bf3a88
SHA256

f0594d80a95ac06f46c32b305994e68559fa4ee99743b92a7cff05ef46c1bce5
SHA512

15e214ba0842f57c12375511d2bca0d966fb2008cf2b129f3b2b880095921b958800c18cb23e1e453944b9f450a76735dd94915c86d074432b43cc08c4c867fa
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPcy:P6QFElP6k+MRQMOtEvwDpjBQpVXS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1148-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b0000000122ee-11.dat	CryptoLocker_rule2
behavioral1/memory/1148-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2096-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2096-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1148-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b0000000122ee-11.dat	CryptoLocker_set1
behavioral1/memory/1148-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2096-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2096-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2096	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1148	2024-06-02_35e862751652a3450aaa66fe0e5458aa_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 1148 wrote to memory of 2096	1148	2024-06-02_35e862751652a3450aaa66fe0e5458aa_cryptolocker.exe	28
PID 1148 wrote to memory of 2096	1148	2024-06-02_35e862751652a3450aaa66fe0e5458aa_cryptolocker.exe	28
PID 1148 wrote to memory of 2096	1148	2024-06-02_35e862751652a3450aaa66fe0e5458aa_cryptolocker.exe	28
PID 1148 wrote to memory of 2096	1148	2024-06-02_35e862751652a3450aaa66fe0e5458aa_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-02_35e862751652a3450aaa66fe0e5458aa_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_35e862751652a3450aaa66fe0e5458aa_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2096

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
c526c404c13a8bf1b2706d86248ff747

SHA1
8309c1186da86e0cb3089fb79fd18518c949a450

SHA256
c1867f6802c30a72fe50bfe5924a3472c11221bd452580630dd558775196e24b

SHA512
1a4f03a6f46f9feba730c5ddfdad4a1160a7ea90b48bb91bda160bc36d1f1e0d5423aa8c584768cea866b2fd73c1517ff2f8554aa8cf3cff59962ac0e01874a5

Download Submit
memory/1148-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1148-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1148-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1148-9-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/1148-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2096-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2096-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2096-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2096-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download