53d881b02c941df216cea066656e6415f805aaa4259080f92ed1a444f24dc4d3

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 07:05

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General

Target

2024-02-14_b61d7c39d47967902632cd7eede8e200_cryptolocker.exe
Size

74KB
MD5

b61d7c39d47967902632cd7eede8e200
SHA1

36128f628c0a42ef06ac447e7299fddb28948760
SHA256

53d881b02c941df216cea066656e6415f805aaa4259080f92ed1a444f24dc4d3
SHA512

07ccc564b8a98a5e1ff0f2d4fef95b0a8ae21eb2a4cc3d71fbac8b95dca75150d5a509a7f0041e9f3cc9f1e0196d9bfca56c9b6bb57c655b51461a7f0c29919e
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1R/:X6a+SOtEvwDpjBZYvQd2J

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001224e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1708	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	2024-02-14_b61d7c39d47967902632cd7eede8e200_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 1708	2288	2024-02-14_b61d7c39d47967902632cd7eede8e200_cryptolocker.exe	28
PID 2288 wrote to memory of 1708	2288	2024-02-14_b61d7c39d47967902632cd7eede8e200_cryptolocker.exe	28
PID 2288 wrote to memory of 1708	2288	2024-02-14_b61d7c39d47967902632cd7eede8e200_cryptolocker.exe	28
PID 2288 wrote to memory of 1708	2288	2024-02-14_b61d7c39d47967902632cd7eede8e200_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_b61d7c39d47967902632cd7eede8e200_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_b61d7c39d47967902632cd7eede8e200_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:1708

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
74KB

MD5
25fd0fde1d15024aa25b3098ef88b381

SHA1
6a995909ae8449dfd09307e1ea56622d83d29fce

SHA256
08a8261e29886520bbceb499b07bfd933208bfe2b82d07c7dcbe92b3e5210994

SHA512
4b0667da81d79cb2215351a2ca5d4f8cbc12ab50bc77ea85307bcefdeab4ef8b1433c2976d5c5fa11c6ad212d65a481965c5f156e797330e455c2151217eb7d6

Download Submit
memory/1708-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1708-22-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2288-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2288-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2288-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download