c6c9b61924c93f084479bcd3f7e80f474cfe6aa57b3572905ea1fcaa6e6487a6

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/06/2024, 04:53

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General

Target

2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe
Size

37KB
MD5

e3b7b10a9b26d844e6a2078269bbd3d9
SHA1

54ddb2f1fe7b2de154288bac8b3ef4be6b38a040
SHA256

c6c9b61924c93f084479bcd3f7e80f474cfe6aa57b3572905ea1fcaa6e6487a6
SHA512

02c077b188d9f661aa92d557eaf10614b1d87bb1a838021b6e23a1792f331fcd457dac9761e557a3b2e2a33d575c59e60586aef8791256c8333cf87f6e636e58
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSyz:btB9g/WItCSsAGjX7e9N0hunRvz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012671-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3012	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
3000	2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_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
3000	2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe
3012	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 3012	3000	2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe	28
PID 3000 wrote to memory of 3012	3000	2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe	28
PID 3000 wrote to memory of 3012	3000	2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe	28
PID 3000 wrote to memory of 3012	3000	2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-05_e3b7b10a9b26d844e6a2078269bbd3d9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3000
- 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:3012

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
37KB

MD5
d43fea8e24b76adfeeb4b26a4d51c412

SHA1
9b6c8ef1eea11e0777aff0f1185bc8fb3d598f5f

SHA256
a7fa76603eb9ac89a23183c31820bf0bee0c02f3255de952bd8d308f463794d5

SHA512
48ceba322881535a7d9a24770c71b5c084799fdcf387b31e8c50f1a49b47906c1fdc2aad2bfaf1f99fd73d326d7fa3c98f964c4198173f4e4236d2257bbba2cb

Download Submit
memory/3000-0-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3000-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3000-8-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/3012-23-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download