a69642c1873025505c420ad8f068d18e5a15b6616d7314ab67c2bb37fd2123bf

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 03:52

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General

Target

2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe
Size

63KB
MD5

69a5e2d9396143130f0efdd9b5672500
SHA1

8c1819f69a0268096b3bcd7d6859e15cfc634b57
SHA256

a69642c1873025505c420ad8f068d18e5a15b6616d7314ab67c2bb37fd2123bf
SHA512

eae496b0f4317c72414595b6fd165032916c36cb92c6f5c662508b06702c9e0924c2c1575616d30890478ab726246635c8aa7378adb880810abbcaa64ce0eef0
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxC:btng54SMLr+/AO/kIhfoKMHdag

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0010000000012272-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1704	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
1264	2024-05-30_69a5e2d9396143130f0efdd9b5672500_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
1264	2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe
1704	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 1704	1264	2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe	28
PID 1264 wrote to memory of 1704	1264	2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe	28
PID 1264 wrote to memory of 1704	1264	2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe	28
PID 1264 wrote to memory of 1704	1264	2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-30_69a5e2d9396143130f0efdd9b5672500_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1264
- 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:1704

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
63KB

MD5
d9ab4efe3c027acc3db40d6bf83b9073

SHA1
d4b3460525a01247f594b74673537d2563a04762

SHA256
e9d6dba983742c8360d3b99ec5d0aa30f5a1e201ba97369a5eb291b6dc3a1cf9

SHA512
5a88b0980e784867567d7a35740a03bc04bc04a160349b5ca9655044d0c5a2214ab7728c42d5309862b42ac73031b8b68a1beeb19897d6705df07f243c1c773b

Download Submit
memory/1264-0-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1264-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1264-8-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1704-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download