34a37c14dface77f812683379e78a4325fb147c1b09699a8e1ff48c4aad1547d

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 14:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-04_8a64aaae86bf03611c49164c4c92b37c_cryptolocker.exe
Size

149KB
MD5

8a64aaae86bf03611c49164c4c92b37c
SHA1

0672fb1b5b609227170177339f9928e245f4342f
SHA256

34a37c14dface77f812683379e78a4325fb147c1b09699a8e1ff48c4aad1547d
SHA512

b406bade6bad585c77d63d57530df2bc978c36e3234f02308f4414906f04d9e03e55a3f5ce72823ea50ae4e873c052274cd4ceaab8da54c7c890d52b8c2ead7d
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbxGYQbxGYQbPlooHPPFYrPl:V6a+pOtEvwDpjt22I

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015626-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015626-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
940	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2232	2024-02-04_8a64aaae86bf03611c49164c4c92b37c_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 2232 wrote to memory of 940	2232	2024-02-04_8a64aaae86bf03611c49164c4c92b37c_cryptolocker.exe	16
PID 2232 wrote to memory of 940	2232	2024-02-04_8a64aaae86bf03611c49164c4c92b37c_cryptolocker.exe	16
PID 2232 wrote to memory of 940	2232	2024-02-04_8a64aaae86bf03611c49164c4c92b37c_cryptolocker.exe	16
PID 2232 wrote to memory of 940	2232	2024-02-04_8a64aaae86bf03611c49164c4c92b37c_cryptolocker.exe	16

C:\Users\Admin\AppData\Local\Temp\2024-02-04_8a64aaae86bf03611c49164c4c92b37c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-04_8a64aaae86bf03611c49164c4c92b37c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:940

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

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

Filesize
150KB

MD5
61b072968e858d73931fb6af8191f2f8

SHA1
9fc241c60dbdccffd84c80766554ca98dcdac047

SHA256
1800feada553024110ab54e80df83d7ef1acf58da13555deaa997f40f38673e2

SHA512
883b25a70f8716465c97a10135723c8ed60c20a35905b5187454e2aa4d0e7f7aa6d938b924f30632ee0b67c64127ee98dfeb0d4c4f0340f61ab2a1d53defaff5

Download Submit
memory/940-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/940-15-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2232-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2232-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2232-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download