a29c2d88121aba18c33e62de1a1d37da55cb0b86e8f72f95d3fcb378bca34fbc

Analysis

max time kernel
132s
max time network
142s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 16:31

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General

Target

2024-03-13_336016ac6f9475937ec7e1bc115fa76d_cryptolocker.exe
Size

72KB
MD5

336016ac6f9475937ec7e1bc115fa76d
SHA1

fbf3d0f4ae3efae4b36ad9cd823a09bb8c3b3a19
SHA256

a29c2d88121aba18c33e62de1a1d37da55cb0b86e8f72f95d3fcb378bca34fbc
SHA512

bc2ec5933e4899ce89573a1ce8c8cd05c008dedf4d9c39402f3264bc2e7f98390728587feecf6d3a28d8cd8685b73b156c9eb5f1a87bd5d60d6558300e7c0e0f
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsd:X6a+SOtEvwDpjBZYvQd2+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122dd-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122dd-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2596	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2036	2024-03-13_336016ac6f9475937ec7e1bc115fa76d_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 2036 wrote to memory of 2596	2036	2024-03-13_336016ac6f9475937ec7e1bc115fa76d_cryptolocker.exe	28
PID 2036 wrote to memory of 2596	2036	2024-03-13_336016ac6f9475937ec7e1bc115fa76d_cryptolocker.exe	28
PID 2036 wrote to memory of 2596	2036	2024-03-13_336016ac6f9475937ec7e1bc115fa76d_cryptolocker.exe	28
PID 2036 wrote to memory of 2596	2036	2024-03-13_336016ac6f9475937ec7e1bc115fa76d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_336016ac6f9475937ec7e1bc115fa76d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_336016ac6f9475937ec7e1bc115fa76d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2596

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
72KB

MD5
ac6ec49dc0d900c199cec75d10db2aa3

SHA1
f202866bb3473a615d098526a79dcff44a12436f

SHA256
a5b6e628e85c555f636609f3fb01fc1e53b08fde890f27ad5ede7a4c28489564

SHA512
794dd6a5860712a835a277d362ca1360ebe25e20837ccf038f7dd00e7908b966cd1f2b91a52a49039275872cc79d20c9b1f6bd8856c0699b231cb883536388c7

Download Submit
memory/2036-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2036-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2036-2-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2596-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2596-20-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download