9468bac8a2e0667ad9d39e123bd9c984d4a7d98f5e7c7587549cf7c8deff7dbd

Analysis

max time kernel
122s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20/06/2024, 02:41

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General

Target

2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe
Size

37KB
MD5

b6d4359a731d78565333fc3d51e9da2c
SHA1

6c03d1660211c5caaddffde1b271a187a0397f11
SHA256

9468bac8a2e0667ad9d39e123bd9c984d4a7d98f5e7c7587549cf7c8deff7dbd
SHA512

11c1c0d89365b89cc1f49f2966005a15f1cc32fd0bb022eb5e4f167d24c6f89315695a06f952a5498b039478dffd666314a605feea8e76faa3d282f2d1536a11
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy30:btB9g/WItCSsAGjX7e9N0hunRvE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001450b-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2460	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	2024-06-20_b6d4359a731d78565333fc3d51e9da2c_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
2256	2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe
2460	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2460	2256	2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe	28
PID 2256 wrote to memory of 2460	2256	2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe	28
PID 2256 wrote to memory of 2460	2256	2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe	28
PID 2256 wrote to memory of 2460	2256	2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-20_b6d4359a731d78565333fc3d51e9da2c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2256
- 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:2460

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

C:\Users\Admin\AppData\Local\Temp\gewos.exe

Filesize
38KB

MD5
3d7740c1e4b3ea064ea0e319ff9ab657

SHA1
f7238f6f99179d1bba2cef9ca0fafba49a41da03

SHA256
99732f4d56162ac675a75c8707cc2a63ff483105f2efcfeddf0a52c8543e2852

SHA512
e4b89e29192f56b8c03a642ffe49597c6c57a37d5ad31fca86bfa90513c0e173fd55650a8ca2f9dd3c8b049f2f0540b31e76d716a7607900bc7c062af676970a

Download Submit
memory/2256-0-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2256-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2256-8-0x0000000000530000-0x0000000000536000-memory.dmp

Filesize
24KB

Download
memory/2460-23-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download