1059866aa9d21bb297f7e1048cd7607c44d611287234b35c38a4ea346619281f

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
07/05/2024, 03:38

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General

Target

2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe
Size

56KB
MD5

89ade49b981211c0580a805cf7019efc
SHA1

449acfb6272dd77144095d4b168333694f20fff0
SHA256

1059866aa9d21bb297f7e1048cd7607c44d611287234b35c38a4ea346619281f
SHA512

36248d2018432230683e3afdc6288052c38a088013a10c789959be12cbc25ba6a1eca529e9fdba6c0c92a79e593e25594bc0e2d26257cde819c8955a380807d1
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2LJKw:X6QFElP6n+gJBMOtEvwDpjBtE1yILJKw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012345-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012345-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2024	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2256	2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2024	2256	2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe	28
PID 2256 wrote to memory of 2024	2256	2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe	28
PID 2256 wrote to memory of 2024	2256	2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe	28
PID 2256 wrote to memory of 2024	2256	2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-07_89ade49b981211c0580a805cf7019efc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2024

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\asih.exe

Filesize
56KB

MD5
714fdf14c0e1d757ea507db076074c36

SHA1
7b82af937f8cd6c27b73a8e53644b1581d6fed51

SHA256
af6ab138b4db5baf844dde5d2e743e1a945d057e197167f60f2755a83a4ed59c

SHA512
c5b68573a147adb793acc59fbd3673b4febd1965369b6ffc54bc4b1946ecfaeaba1354ab59174d7d2cbf1e9a6532642c7b83f65209d1827f4f6c404b38332fda

Download Submit
memory/2024-15-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2024-16-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2256-0-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2256-1-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2256-8-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download