6fd64375555f365692047b60256ec11b10d2a95c987f6dbb93d36da11c808ea8

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 15:41

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General

Target

2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_cryptolocker.exe
Size

107KB
MD5

984c69fe3da4b5cbd7909a04c9aaf23e
SHA1

a1cb1cd603841c8412787980d9ec954a517c975f
SHA256

6fd64375555f365692047b60256ec11b10d2a95c987f6dbb93d36da11c808ea8
SHA512

c5d55b321c3e42d8b42608583d3e7b4a326d3a9f1aff4f8caab54d5d0e31f1771eec45dc38305bbf3fe99fd588981e038a31bcf59afd3f91bb17eeb2eb77bc0f
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQb6TTQ4:V6a+pOtEvwDpjtzc

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001232e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001232e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2260	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_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 2364 wrote to memory of 2260	2364	2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_cryptolocker.exe	28
PID 2364 wrote to memory of 2260	2364	2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_cryptolocker.exe	28
PID 2364 wrote to memory of 2260	2364	2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_cryptolocker.exe	28
PID 2364 wrote to memory of 2260	2364	2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_984c69fe3da4b5cbd7909a04c9aaf23e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2260

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
107KB

MD5
e96e49333699af9ac13d1bddfd167c03

SHA1
c6a203ecaf9a68ed537b1ad3fa9d68961fb0e28b

SHA256
0ece94298d1723d2c948e03496b33e568b6ecb464c4216f44207e03ecefeb27d

SHA512
dc8fa0336b883fd74f1c697c4fd21b7676d3cad48477023c22616e03257181d16dd70321d8b69164071d199c8e3351b8ed8074e7d13def2f7a3815b31cd9ab7f

Download Submit
memory/2260-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2260-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2364-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2364-7-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download