8e98ad871509d902dc77ce61aa493f732f6d96d5d0da81dbff681f7fea00c907

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 04:43

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General

Target

2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe
Size

41KB
MD5

e03fc59e8fd7e4d1da5886f17d891171
SHA1

01e118c8093508b5e79d38a89c76870d62232a0b
SHA256

8e98ad871509d902dc77ce61aa493f732f6d96d5d0da81dbff681f7fea00c907
SHA512

bf8ba12747f08a43b069d21b56254adef1e96e09a6e31fa9625250bfea941a11bdea5636436285ef179a27a620abc44b5f5849d4fdb1873516422a01a044769f
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunKzH15U/Eym:btB9g/WItCSsAGjX7e9N0hunKLYNm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014738-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1720	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2116	2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_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
2116	2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe
1720	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1720	2116	2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe	28
PID 2116 wrote to memory of 1720	2116	2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe	28
PID 2116 wrote to memory of 1720	2116	2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe	28
PID 2116 wrote to memory of 1720	2116	2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-29_e03fc59e8fd7e4d1da5886f17d891171_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2116
- 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:1720

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
41KB

MD5
cf741f51e63611b0e42ee07f7c71e85d

SHA1
50dd2713059e8c0ca1c6ab1f41f6c2c1f5798e72

SHA256
b3f0236ac39d1e623a35a23e26a066241b2cae4b897a50fca089ae6028c7b788

SHA512
9e4a94ca9aa157c9bcc4b374d96eb910e074b19bff40dd72e9d8f9283a2480ab83fc6d8d6332a20bfc8a391661566aa4881f0388322171ef1989edeebcdface4

Download Submit
memory/1720-23-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2116-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/2116-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2116-8-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download