8646407a1b15fe08afba2b45205785c98fe432f4c6fc4c78a4f131aab820208c

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
20-06-2024 15:03

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General

Target

2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe
Size

63KB
MD5

8e9cefa6e7da3bb2c19dc1ada1c08777
SHA1

9494a250a3df18d7cf342efc4d0ee8c610c452d1
SHA256

8646407a1b15fe08afba2b45205785c98fe432f4c6fc4c78a4f131aab820208c
SHA512

5ab392f765a43fc11451e7b4377353d6cf2cbfa02ee92a01ede157a1f23dd7f7ce1d0cf93f4e3d0f44b7edb8108836721c4d674ea9bfd9e7d7ad49c5d2e3fe40
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnTD:btng54SMLr+/AO/kIhfoKMHda/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3068	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2900	2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_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
2900	2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe
3068	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 3068	2900	2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe	28
PID 2900 wrote to memory of 3068	2900	2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe	28
PID 2900 wrote to memory of 3068	2900	2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe	28
PID 2900 wrote to memory of 3068	2900	2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-20_8e9cefa6e7da3bb2c19dc1ada1c08777_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2900
- 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:3068

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
d97017f8fcf05eb1e92f120c198d948e

SHA1
42d6c60d74caf4506a1950a5198796dde4d49df5

SHA256
46413ae2535511d09cdfb0f48c521a63795acaa2428aa1e8317e2ed237c47e49

SHA512
00670101082d4afb7dd0ef4488439dfb3412f7c79d31e95ce509f7c2f408965f42e789d036f929e54459436412591d2640e956382fec24f079658f19011baffa

Download Submit
memory/2900-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2900-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2900-8-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3068-23-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download