c007da949c3fb75ebc64dc5f1845a98fad80220a0ce7522a345b3cb25bc6bb32

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 05:27

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General

Target

2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe
Size

51KB
MD5

61870e78e62a15111cdc239bae6a3b92
SHA1

faf234bfba6b93693fa891824b92e5595d07ae2a
SHA256

c007da949c3fb75ebc64dc5f1845a98fad80220a0ce7522a345b3cb25bc6bb32
SHA512

24c6c0ee537030b84af22f7f3aaafd0220713f6de417c57321c32c9c7a2569d6db59e013f41ae7b921f60a749121fb497b288fafece07f12e7293aaa122e7acb
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55id3AMWZp8o:X6QFElP6n+gJQMOtEvwDpjB0GIWiWLp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012120-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000012120-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1984	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2264	2024-05-12_61870e78e62a15111cdc239bae6a3b92_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 2264 wrote to memory of 1984	2264	2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe	28
PID 2264 wrote to memory of 1984	2264	2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe	28
PID 2264 wrote to memory of 1984	2264	2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe	28
PID 2264 wrote to memory of 1984	2264	2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_61870e78e62a15111cdc239bae6a3b92_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1984

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
51KB

MD5
eece0b9137e2dd6666ae97625495bb72

SHA1
c8ce0529e2526bbbd5612ac1e3e5757e2e506d3d

SHA256
e8b246a3458e4cb5fa8123d65186ef204d97176e27b4ba6e57df0e5d2a10c8c7

SHA512
957dddb38b3a5503c940fad068f8c8a4f37f8aada2f42c768c1b575c091c23296a137bee7b8b0331bd80cda8e59e3a74a74384ca6c222d7b448f5fcb62df81a0

Download Submit
memory/1984-22-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1984-15-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2264-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2264-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2264-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download