8f7d4670955a7b463a3900e74a2f6637324ce50ba219a75b82263588777e2354

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 10:00

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-04-15_9ca3a606876d6f8abeba324b67de15f1_cryptolocker.exe
Size

55KB
MD5

9ca3a606876d6f8abeba324b67de15f1
SHA1

e80cf3739270c26d2057f728837f64dafd203be7
SHA256

8f7d4670955a7b463a3900e74a2f6637324ce50ba219a75b82263588777e2354
SHA512

d44af44b9dc43d05f2b73062654414cc43952535e2f2c0034ebe3ebb972223cbd48af69fdf30c98a2bb8cbca60399c5f18d42320e768ff5db437b504820798ba
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2L0zNF:X6QFElP6n+gJBMOtEvwDpjBtE1yIL4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012258-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012258-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2532	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	2024-04-15_9ca3a606876d6f8abeba324b67de15f1_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 2168 wrote to memory of 2532	2168	2024-04-15_9ca3a606876d6f8abeba324b67de15f1_cryptolocker.exe	28
PID 2168 wrote to memory of 2532	2168	2024-04-15_9ca3a606876d6f8abeba324b67de15f1_cryptolocker.exe	28
PID 2168 wrote to memory of 2532	2168	2024-04-15_9ca3a606876d6f8abeba324b67de15f1_cryptolocker.exe	28
PID 2168 wrote to memory of 2532	2168	2024-04-15_9ca3a606876d6f8abeba324b67de15f1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_9ca3a606876d6f8abeba324b67de15f1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_9ca3a606876d6f8abeba324b67de15f1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
55KB

MD5
a1030864ebd5f8e83a68e0c2562abd2d

SHA1
07709714dac650e9b8b7f7c0223f6ba34af02e82

SHA256
264bc2eb8f8cc609690f18a8ac5ac7bdc59cddff9c146889d5ccbe56ce28eb61

SHA512
6fb7fa247e89bd5fa41970304c8755561e93593866910ec1afabca1d6efccccf9b622e9c19e5dcfcf826b314f0669acf4e270641612da87589daad11480d211b

Download Submit
memory/2168-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2168-2-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2532-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2532-17-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download