9f2e53a3d30be257c7ccfb40a75960933dc2fb4c8412c07d4efe27a31593aec1

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12/03/2024, 21:32

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General

Target

2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe
Size

57KB
MD5

760b02f89b42cdb9838e858c154b68a1
SHA1

5ccc70ab6116dd74bcd0e7172b25485e6720fd94
SHA256

9f2e53a3d30be257c7ccfb40a75960933dc2fb4c8412c07d4efe27a31593aec1
SHA512

f756e02bcad70a3a558615d516c1a10ff1496f4647ea2c318839af395571536d3c25382c549c538aadaafdcdd736d71cb79c5e1c99c551cdd03bb50c230ef86d
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHF:btng54SMLr+/AO/kIhfoKMHdk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012320-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2052	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-03-12_760b02f89b42cdb9838e858c154b68a1_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
2204	2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe
2052	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 2052	2204	2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe	28
PID 2204 wrote to memory of 2052	2204	2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe	28
PID 2204 wrote to memory of 2052	2204	2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe	28
PID 2204 wrote to memory of 2052	2204	2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-12_760b02f89b42cdb9838e858c154b68a1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2204
- 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:2052

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
57KB

MD5
3fe262886314f83391011dfccb29268e

SHA1
1a75b6b3f3a60634e90dc39d88c1e27533409994

SHA256
4d8e5f1942b670bb18db4d21a87b4e4950367a61946ec2a5f50db948d33600ee

SHA512
094f11eb65284f84609869437a3f94e862f7239edd19a07756fdcb30c1d9acd9ffb5f253cf92dacc030a61cf626fd24fd02158fcacb8bb55b8a706eeed591963

Download Submit
memory/2204-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2204-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download