067309e3216a38cbb4456b1c5fd79e96bd4681ea0e79908e54368293a9ecb9dc

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 02:38

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General

Target

2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe
Size

60KB
MD5

9acb49fe86451eee800d1af5d043fe57
SHA1

4a531edb027a942f0658b2f902f21e0a558f13ff
SHA256

067309e3216a38cbb4456b1c5fd79e96bd4681ea0e79908e54368293a9ecb9dc
SHA512

02a44972b4f6fa0055c5890c5dc1975d465f5f26debd4716e39dcabeb086dc06940d43e15821c6554442615d7adc69a52f6a2bdae45ae79396fc3d99bbef8422
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUH1:btng54SMLr+/AO/kIhfoKMHds

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001222a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3052	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2920	2024-02-24_9acb49fe86451eee800d1af5d043fe57_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
2920	2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe
3052	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 3052	2920	2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe	28
PID 2920 wrote to memory of 3052	2920	2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe	28
PID 2920 wrote to memory of 3052	2920	2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe	28
PID 2920 wrote to memory of 3052	2920	2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_9acb49fe86451eee800d1af5d043fe57_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2920
- C:\Users\Admin\AppData\Local\Temp\gewos.exe
  "C:\Users\Admin\AppData\Local\Temp\gewos.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:3052

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\gewos.exe

Filesize
60KB

MD5
9e4340211ba5bcb9f0ff4772d20d0f28

SHA1
ec6ce2f2609186a8b46a176265a96445e9aa1c14

SHA256
90ab90cb0126763e137c236f02a57b5f7257cb74353c9f3c988ef12fdad042ee

SHA512
4fc9a199a9340071d71b388ae706a7d44b291b8f8fca81fde40c0b7eafc043610cdc324207e6b54f86954b08dbc69e6ee759f9862353330bb8bf4162148843a9

Download Submit
memory/2920-0-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2920-1-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/2920-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3052-16-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download