56b58238a28ff394218d2a2025813051154e8b805316593025ba4b36b8deeda9

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/01/2024, 03:25

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General

Target

2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe
Size

59KB
MD5

294c2439ad18b1f4febdeb97a3e018a1
SHA1

562d63b3ef7c1e77fa3cf765335f983519f9e33f
SHA256

56b58238a28ff394218d2a2025813051154e8b805316593025ba4b36b8deeda9
SHA512

6e379faf4c460a1457c95d0465f86249ff5f1c6246538ac26071f00caf76106aab9f9a79f3531c3e000536b3b1ccbb71478bb45e4b9c1dbe68e740d9c52ce21f
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHd:btng54SMLr+/AO/kIhfoKMHdM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225a-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2264	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
2284	2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_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
2284	2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe
2264	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2264	2284	2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe	28
PID 2284 wrote to memory of 2264	2284	2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe	28
PID 2284 wrote to memory of 2264	2284	2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe	28
PID 2284 wrote to memory of 2264	2284	2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-29_294c2439ad18b1f4febdeb97a3e018a1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2284
- 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:2264

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
59KB

MD5
2a647762a8bfad8095aa5196b3eb75d0

SHA1
1a0b623ca9a34bc4c7b51f0fcd2866cc7e47b74e

SHA256
82845aaa5a8d738790ba9d111cf50808515844708f6a24cc8858e6c3c738a2fa

SHA512
e715f432a477a577fa8618ade8a60eced8214fca358e2f4f3cf536e04c0a9707a8debeaa03304756eb23765662432e0aa23a4c4be9cddbe6fb959c411faebc03

Download Submit
memory/2264-23-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2284-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2284-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2284-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download