9bf2278cf4e3aacc161577e96776868d00baa7554b67159154f58dd50de35a0b

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 17:47

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General

Target

2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_cryptolocker.exe
Size

38KB
MD5

a5f64a52bdfefd9f32738fc664cb175c
SHA1

3559fd9876d8591868f5cddbbcab20c1266f10d0
SHA256

9bf2278cf4e3aacc161577e96776868d00baa7554b67159154f58dd50de35a0b
SHA512

0560d3006a6c83ef5446173ea81689398898b20239ce4ef1de69e1b70d3bceb95f0dc7b502fcb5bbb3aa9d42d59900dfdefac4cf0c298e956be1f172abda775f
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/JyAF:X6QFElP6n+gJQMOtEvwDpjBsYK/XF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012320-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012320-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2208	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2236	2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_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 2236 wrote to memory of 2208	2236	2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_cryptolocker.exe	28
PID 2236 wrote to memory of 2208	2236	2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_cryptolocker.exe	28
PID 2236 wrote to memory of 2208	2236	2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_cryptolocker.exe	28
PID 2236 wrote to memory of 2208	2236	2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_a5f64a52bdfefd9f32738fc664cb175c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2208

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
5ba4565d2aae08ed2b0a1348c2b349d5

SHA1
6c7975156acf6333abb7c64ff6237505d46d7fc7

SHA256
f365999d6e962d944900048e7eeba6bc13f432587bd7247220257092c26c7643

SHA512
8c45c3e4b999987bbb1ef62c5205d03e0b4d1409d2374f67a4697a2fe7e7d6abccf42a23dc9471da83035a0e9cc4a5fd9c0b6316e3fb29915f5ceb77e2c7f712

Download Submit
memory/2236-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2236-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2236-7-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download