80fb9bbb8e2f8f0ac0dcb7f399966ba38932962ec001bf3f8c40d5ec8e4c6a16

Analysis

max time kernel
152s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 05:29

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General

Target

2024-03-10_0e69b754fed878b03541b94ab0b42abb_cryptolocker.exe
Size

38KB
MD5

0e69b754fed878b03541b94ab0b42abb
SHA1

6cccdd01129d07af9702f31d44a217ef2b838c61
SHA256

80fb9bbb8e2f8f0ac0dcb7f399966ba38932962ec001bf3f8c40d5ec8e4c6a16
SHA512

d6baceaac0c8b3835c27d28a2a616b03d3849d372a38222cf09680f2999926e5ce5f9cb12d31da44fb80cb46544712c71c346926d6c0a9718e145dbb703bb3c8
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5axZmq:V6QFElP6n+gMQMOtEvwDpjyaYa/mq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012266-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012266-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1168	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2984	2024-03-10_0e69b754fed878b03541b94ab0b42abb_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 2984 wrote to memory of 1168	2984	2024-03-10_0e69b754fed878b03541b94ab0b42abb_cryptolocker.exe	28
PID 2984 wrote to memory of 1168	2984	2024-03-10_0e69b754fed878b03541b94ab0b42abb_cryptolocker.exe	28
PID 2984 wrote to memory of 1168	2984	2024-03-10_0e69b754fed878b03541b94ab0b42abb_cryptolocker.exe	28
PID 2984 wrote to memory of 1168	2984	2024-03-10_0e69b754fed878b03541b94ab0b42abb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_0e69b754fed878b03541b94ab0b42abb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_0e69b754fed878b03541b94ab0b42abb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1168

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
38KB

MD5
4339de7fde379fab6e29f9b77cd25f29

SHA1
ddf0570c1689cfa861bcde67973296906686d485

SHA256
7c502157f676bc8b2fb090a077dfffb4c6b17d95f425d44771af0b39e289a094

SHA512
bb9c16dbf0d91a1ab8efeaca048b96561b9269b1d4a9a530fc6e691438cf464eddb6abd509565f5a8733526dd58153555d9cc53142856c7363d15beb1342c8c2

Download Submit
memory/1168-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1168-17-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2984-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2984-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2984-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download