ec91449f92d12d4371307825deaf424187c2de24cefd62a47d06d8b8dfbb7785

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 03:35

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General

Target

2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe
Size

63KB
MD5

50c6481a69e56fd39cfee0e9de2383a1
SHA1

087622814d1da54592837862b254c2bf05a3f60e
SHA256

ec91449f92d12d4371307825deaf424187c2de24cefd62a47d06d8b8dfbb7785
SHA512

4efebb6d5de3c036ebe12e800d8cbce731fb806185b32bc98759717df51820a202eeb06d35122e1f599c1634dd2b93eff195592591c3d21369a22d53da3f0b10
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnF7HA:btng54SMLr+/AO/kIhfoKMHdaa

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000122cd-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1284	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2156	2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_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
2156	2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe
1284	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1284	2156	2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe	28
PID 2156 wrote to memory of 1284	2156	2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe	28
PID 2156 wrote to memory of 1284	2156	2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe	28
PID 2156 wrote to memory of 1284	2156	2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-02_50c6481a69e56fd39cfee0e9de2383a1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2156
- 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:1284

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
63KB

MD5
6898c58672ad3107ae0b786c28bb6b0a

SHA1
61b96dd735a82403e99169f26785a7a7fa185df3

SHA256
9b2c04c909318ca4f985f089a89caa03f04bb186bc3273164edb33b9113954e1

SHA512
69d63896670125b83bf19a5ba457b626a94cba4e799ef063153b9cd38b4562a8aaec9b809fa3147665646fa7e94c2a57810cc565f7541bf59ea90d046b66d321

Download Submit
memory/1284-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2156-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2156-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2156-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download