cdbe079eac374d4acb402fe8ca2b3e01b7267ee82ea8c04a86df2c6ec916baa3

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 02:44

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_cryptolocker.exe
Size

39KB
MD5

d3c8c23fbcd23ffab60d7626032cb1d5
SHA1

56145ee21c2026c4740f5c81e47d9a1f60b61f04
SHA256

cdbe079eac374d4acb402fe8ca2b3e01b7267ee82ea8c04a86df2c6ec916baa3
SHA512

8f0d4cd15114fece47b7a2d11c71d0d253690e5707cf73c6103aa5032f2a854d93256ca20c3b50c730131ed512c60913c19f307fd39c5316b8eca6b418b2c2ab
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw00:X6QFElP6n+gJQMOtEvwDpjBmzDU50

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013143-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013143-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2080	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2864	2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_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 2864 wrote to memory of 2080	2864	2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_cryptolocker.exe	28
PID 2864 wrote to memory of 2080	2864	2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_cryptolocker.exe	28
PID 2864 wrote to memory of 2080	2864	2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_cryptolocker.exe	28
PID 2864 wrote to memory of 2080	2864	2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-26_d3c8c23fbcd23ffab60d7626032cb1d5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2080

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
40KB

MD5
dd39b2b6b3a34174d2530366eaac9f7e

SHA1
75d72c98fd3362fb54dbbfdb7b9e9d2f5bb4f4cf

SHA256
51e1a07f4009820f88297301a62b8a5af83958493a69774960e2190470149e54

SHA512
3dd14ffe1d17967a70bf48be77533c6691911bcfd28b7dba50974e226a7da8dd6a0479dce4311178583a3f23682254f20fe780c4b8302cbb26a189b1918f7f71

Download Submit
memory/2080-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2080-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2864-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2864-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2864-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download