9b168d0c2dddd0bc403be083dc9805dcbf0586f1c0de14873d1dbae8ab2a0167

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
10/05/2024, 14:28

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General

Target

2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe
Size

38KB
MD5

63368d314c702493dac437d3b140c3af
SHA1

b1179ae34939aabac52ef2a1803ee1762232fea0
SHA256

9b168d0c2dddd0bc403be083dc9805dcbf0586f1c0de14873d1dbae8ab2a0167
SHA512

99fd783bf0b2995a215b9c32293c74c864aa2ecd5af5a0e51b5424d8ae8e05ffad2bfd05f94bc644fc7ac9f8d2d0fc5418639c4c4e0ff424d259a34d2cf2802b
SSDEEP

384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSyHmYvevsO:btB9g/WItCSsAGjX7e9N0hunRvGIOz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001226b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1056	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2968	2024-05-10_63368d314c702493dac437d3b140c3af_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
2968	2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe
1056	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 1056	2968	2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe	28
PID 2968 wrote to memory of 1056	2968	2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe	28
PID 2968 wrote to memory of 1056	2968	2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe	28
PID 2968 wrote to memory of 1056	2968	2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-10_63368d314c702493dac437d3b140c3af_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2968
- 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:1056

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
39KB

MD5
0168c4afb184d8ddcfa619a3dfeecec1

SHA1
e4e467196f72a924027b977f3b210b120946c880

SHA256
ef628dfa392d6b224f062e69cd3bfab900b59ecb13edd7f21b90ede4cb310179

SHA512
67ee5facf68d9f031e49b773d965ad710c8f03faec54cb08dc3344e96dc06dd01511bfeda7441539fb379f44b6a72a2f3e9e78a0011176813360fb70737002a0

Download Submit
memory/1056-23-0x00000000005C0000-0x00000000005C6000-memory.dmp

Filesize
24KB

Download
memory/2968-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2968-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2968-8-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download