de49a0472457120661616f3bc74b95fdc060d89858c5d6bf9d0acc66aba6bc37

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/02/2024, 13:34

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_cryptolocker.exe
Size

59KB
MD5

6d0f9ce087e64b56fe479a19ee77173e
SHA1

22d312cb2fbcef0de78480b245e2952aea999e64
SHA256

de49a0472457120661616f3bc74b95fdc060d89858c5d6bf9d0acc66aba6bc37
SHA512

a9265987845a87fe80e897272b276e87b8aad1bf1b72995df220031ba96024d5380592f90de277084c0408c2b16655b689666b2b67f71c4a0da76263b33a23e9
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xXc:X6a+SOtEvwDpjBrOO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001224f-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000800000001224f-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2716	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2032	2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_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 2032 wrote to memory of 2716	2032	2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_cryptolocker.exe	28
PID 2032 wrote to memory of 2716	2032	2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_cryptolocker.exe	28
PID 2032 wrote to memory of 2716	2032	2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_cryptolocker.exe	28
PID 2032 wrote to memory of 2716	2032	2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-19_6d0f9ce087e64b56fe479a19ee77173e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2032
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2716

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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
60KB

MD5
3a89114d9eecd682e76b88665f3164d9

SHA1
ff5ef39b75a3a04b812d61a4f7804b637762aec2

SHA256
9b5e57dab8ec39fca118adea0e58a7bc0198fce51899069646ca86eae4b40a4c

SHA512
292d380715ae69d87473047319cb6408830f3a3b0a3bd79f7a1f6fa8e543937f855130dd8ca6c1e8b328dd7316a9608a61f30d8a0289559eb19056e3cfef68a3

Download Submit
memory/2032-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2032-1-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2032-2-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2716-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2716-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download