6bc7baeda695513fde36b99d32b48025e49e2559959a713f5a932f2d47bcf661

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
30/05/2024, 07:30

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General

Target

2024-05-30_574af9407b561e37e2a01f0abd8daa50_cryptolocker.exe
Size

87KB
MD5

574af9407b561e37e2a01f0abd8daa50
SHA1

29384ade1fb19c733cd9261765bbcd551e331791
SHA256

6bc7baeda695513fde36b99d32b48025e49e2559959a713f5a932f2d47bcf661
SHA512

d6ba16b220f65f68505c0645cd27e3f099575fa06ffe01b921fcda979adea01e8964a86b0f2f4fc46d17c774a023eeec781b375a07a04356334f30cf7b237e93
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6a1:V6a+pOtEvwDpjvpB

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000122ee-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2096	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	2024-05-30_574af9407b561e37e2a01f0abd8daa50_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 2288 wrote to memory of 2096	2288	2024-05-30_574af9407b561e37e2a01f0abd8daa50_cryptolocker.exe	28
PID 2288 wrote to memory of 2096	2288	2024-05-30_574af9407b561e37e2a01f0abd8daa50_cryptolocker.exe	28
PID 2288 wrote to memory of 2096	2288	2024-05-30_574af9407b561e37e2a01f0abd8daa50_cryptolocker.exe	28
PID 2288 wrote to memory of 2096	2288	2024-05-30_574af9407b561e37e2a01f0abd8daa50_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_574af9407b561e37e2a01f0abd8daa50_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_574af9407b561e37e2a01f0abd8daa50_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2288
- 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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
87KB

MD5
14cee150874cd6e58ef9400634624679

SHA1
03e9e8c537095d19abc2aea313abfeb6dc1c5e42

SHA256
b40a36a19b5c4d684dd836cf5d0fc9a06d118d0dd61b1ec81113b6c83c709c27

SHA512
9fcd302348a67b851022851c38316a3292d416c39e91b4739ff903357cb91399a07075d5af53a26b3d0659731fcda9e95e3994f253e27dee4c9c609230cb6e35

Download Submit
memory/2096-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2096-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2288-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2288-8-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2288-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download