87c6b7a5a925fb3ef826d0bc5b622a02ee422ec896de079f3ba594a01029edf4

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 10:24

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General

Target

2024-05-24_02d981816ea856323a346ba916cc6b4a_cryptolocker.exe
Size

46KB
MD5

02d981816ea856323a346ba916cc6b4a
SHA1

8190c995bb0269c68298c7d0281d79843f31201c
SHA256

87c6b7a5a925fb3ef826d0bc5b622a02ee422ec896de079f3ba594a01029edf4
SHA512

ad84915db66ac105cbdf162a2930a949b4f68d8fe70448500d9e3d681bcb13df6b597340b722dd63a3f14d15290335c4d940b664a82a4fff3438be96396f8bbd
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPo8:P6QFElP6k+MRQMOtEvwDpjBQpVXz8

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 6 IoCs

resource	yara_rule
behavioral1/memory/2268-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d00000001416a-11.dat	CryptoLocker_rule2
behavioral1/memory/2268-13-0x0000000002BC0000-0x0000000002BCB000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2268-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2680-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2680-27-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 6 IoCs

resource	yara_rule
behavioral1/memory/2268-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d00000001416a-11.dat	CryptoLocker_set1
behavioral1/memory/2268-13-0x0000000002BC0000-0x0000000002BCB000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2268-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2680-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2680-27-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2680	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	2024-05-24_02d981816ea856323a346ba916cc6b4a_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 2268 wrote to memory of 2680	2268	2024-05-24_02d981816ea856323a346ba916cc6b4a_cryptolocker.exe	28
PID 2268 wrote to memory of 2680	2268	2024-05-24_02d981816ea856323a346ba916cc6b4a_cryptolocker.exe	28
PID 2268 wrote to memory of 2680	2268	2024-05-24_02d981816ea856323a346ba916cc6b4a_cryptolocker.exe	28
PID 2268 wrote to memory of 2680	2268	2024-05-24_02d981816ea856323a346ba916cc6b4a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_02d981816ea856323a346ba916cc6b4a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_02d981816ea856323a346ba916cc6b4a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2680

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
26bd8c60960d2cecb3cca6a8bb746c63

SHA1
0b107f9eae51fadda401d0d795f3383f16847113

SHA256
7ff7d0671b067ea019daa1e5eb7d0357c641b015f4652ecf56a6516174a6fc97

SHA512
2085e9b202686ed6a8df8e983c403a0cd69b40a7e928f3ed3d1329d0bc415826b5819c19af49bc22e5d2a4452dbc748ba99926c6c17774531993623b23e28108

Download Submit
memory/2268-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2268-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2268-2-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2268-8-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2268-13-0x0000000002BC0000-0x0000000002BCB000-memory.dmp

Filesize
44KB

Download
memory/2268-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2680-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2680-26-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2680-19-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2680-27-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download