eeee6cd18fe18cf40293d4597bfea7022c436fa3739cf7ea21f71cbacd5cf3b9

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02-02-2024 15:31

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General

Target

2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_cryptolocker.exe
Size

47KB
MD5

81baf7c9d19be4c1443a7fa6a5b64563
SHA1

3910b071d34f212cdacd090a423c16e12eed576e
SHA256

eeee6cd18fe18cf40293d4597bfea7022c436fa3739cf7ea21f71cbacd5cf3b9
SHA512

275be6db81fc9795739a817abc28c6ad6ee239133979e1c954dca73a101286e47bace7f26033c2ed3d43de2d4b87d65ac76b4ff57cf96cdbc5789c84c56e1124
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpjeJQ7suIlsw92KFXckdXh:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012243-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2124	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
928	2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_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 928 wrote to memory of 2124	928	2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_cryptolocker.exe	28
PID 928 wrote to memory of 2124	928	2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_cryptolocker.exe	28
PID 928 wrote to memory of 2124	928	2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_cryptolocker.exe	28
PID 928 wrote to memory of 2124	928	2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-02_81baf7c9d19be4c1443a7fa6a5b64563_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:928
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2124

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
8c5ef44b90531ca58c9c93fa64a9b829

SHA1
05e83c511dc908c32f2d9d015f422ec4a9ad52cd

SHA256
820a0418c9cd45f2c4ccd8664dd3c349d426b054c9933774da1bff94e857d1f6

SHA512
e3b9d0c2faf087cbc574d57ca829aafa91d1de1642702a9cd7cc3c4a22e4bdc1051a6b0304fd3bed8bfc5f522045cb93e5204b651299c5bae0ef0369f482013a

Download Submit
memory/928-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/928-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/928-2-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2124-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2124-16-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download