6dfe133740bb99c82fadab1e3d05a8567aed8585494efc9fce3ede44554ce52c

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 05:36

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General

Target

2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe
Size

31KB
MD5

30e0deda7622be1e5dd9519530040af7
SHA1

629727c6a86c549e335d598ee3cf931d5e36f383
SHA256

6dfe133740bb99c82fadab1e3d05a8567aed8585494efc9fce3ede44554ce52c
SHA512

863cbc77276ecbabd1af081ba358af19e7864dc1ce31032a272fc2bd706f61358b68ccbca960d33cef914ad26fe24a3506163e2b4d132c57d658d5b7a49465dc
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9R0aOm:b7o/2n1TCraU6GD1a4Xt9R0aOm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012251-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2544	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2092	2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2092	2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe
2544	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 2544	2092	2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe	28
PID 2092 wrote to memory of 2544	2092	2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe	28
PID 2092 wrote to memory of 2544	2092	2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe	28
PID 2092 wrote to memory of 2544	2092	2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_30e0deda7622be1e5dd9519530040af7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2092
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2544

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\rewok.exe

Filesize
31KB

MD5
62888a16acd9881b7fca529d497fd547

SHA1
d6c2395cf2bde97a708268b24bd6d7db2920c48c

SHA256
3590146520e4332083e14f3fb1d849480019272e6386bce5232dd9ceb1f65e99

SHA512
1c602d04f69dbb4de396032bb786f6b9e9e803efc6adb009a6d9617555f386bebe0db9b719f63aefd6a4d3310c50ea598212ea993a8a75492af4fa954545dce3

Download Submit
memory/2092-0-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2092-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2092-3-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2544-17-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download