ff22e332738edeade329ccdc5bc8df5bd9d216d2f34dc877a14b170e4044c433

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 04:50

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General

Target

2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe
Size

63KB
MD5

ffd93facd854539c2f21e6ba3a968a0c
SHA1

f0fd38a6d6d5632cfb5e867f3e89071207c06ebf
SHA256

ff22e332738edeade329ccdc5bc8df5bd9d216d2f34dc877a14b170e4044c433
SHA512

42bc84c41a50cc2c10bbaf0a7284f469316719b49dad9979655dd804fbf37dfc312552197fdddc79f4b6eef9b5af24b9986274325ae62f346c7269e6be57bacd
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHZnxT:btng54SMLr+/AO/kIhfoKMHdaV

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
2884	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2320	2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_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
2320	2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe
2884	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2884	2320	2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe	28
PID 2320 wrote to memory of 2884	2320	2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe	28
PID 2320 wrote to memory of 2884	2320	2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe	28
PID 2320 wrote to memory of 2884	2320	2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_ffd93facd854539c2f21e6ba3a968a0c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2320
- 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:2884

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
ae278736dbbe5cc8a9c34b3e86180f44

SHA1
86d9b962aaa57b43c461a46c782795fc2ff8d811

SHA256
0ec753d988426219755e036dded2e713f4bf114db6929d76455869ecdb15a977

SHA512
236152cb8d0f9d8de9038738a2f55ecaf2a05492c359359ff0da79ea543f74ff1fe289db1e46e5d7b329517af52a928678ccaf9db2973126037a485743e28b40

Download Submit
memory/2320-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2320-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2320-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2884-23-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download