d8064d3622ef41d83233138d87031c4620f6995355967bf5261c782a499a70fa

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/03/2024, 02:52

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General

Target

2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe
Size

60KB
MD5

a51649f863d55ffbfe4aeae5187800fb
SHA1

f13f43b9f0e74f722eac6ecaa8f0d01dbb3dcaca
SHA256

d8064d3622ef41d83233138d87031c4620f6995355967bf5261c782a499a70fa
SHA512

00da97b928b1b77c0a40f8891737689ba99070c22fcad3658939be41eb547c56b62b570b58a1d071bb96d78ae9499c34e58ad89ff3aa940b7fc6062a4d9fd213
SSDEEP

1536:btB9g/xtCSKfxLIc//Xr+/AO/kIZ3ft2nVuTKB6nggOlHdUHi:btng54SMLr+/AO/kIhfoKMHdv

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2488	gewos.exe

Loads dropped DLL 1 IoCs

pid	Process
3048	2024-03-26_a51649f863d55ffbfe4aeae5187800fb_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
3048	2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe
2488	gewos.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2488	3048	2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe	28
PID 3048 wrote to memory of 2488	3048	2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_a51649f863d55ffbfe4aeae5187800fb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3048
- 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:2488

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
60KB

MD5
021e506a432d0a589e2577be7c4eb7f1

SHA1
1fb6015071ca8e79f8b27fec403cd6854134f1d9

SHA256
4ed9c43dab603e0ee88720a8cff0c2313caf16a3336bab14f392faa5bc37ea48

SHA512
5d4fe3e29e76bf13d6f295c40a1af69b5eeb5716430dcccdb8160336ae7fd8f2bdf36264680b3b0cb37500cc34149db0f6e63c980af9cbe6d77e036e32d9f816

Download Submit
memory/2488-23-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/3048-0-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/3048-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3048-1-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download