0959ccceead632e1184c188651a0f7efcdff62872b123a1de295edaf8d1eccea

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 05:08

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General

Target

2024-02-25_c192ef7aec1823ef849b053102c2ee35_cryptolocker.exe
Size

53KB
MD5

c192ef7aec1823ef849b053102c2ee35
SHA1

770e0dc9ab03dec2bff8ceac8ccd6d6cb0fbefab
SHA256

0959ccceead632e1184c188651a0f7efcdff62872b123a1de295edaf8d1eccea
SHA512

3536eabbe83df3c94dc82a537bb624670f72b8646051a93e3c2fbeee59d5ca07c2087e28b83806a49355b602c9530043780680bf4176498ec931d324a282485e
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9XbTbmhTT:bIDOw9a0DwitDZzcTe

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012254-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1680	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
1632	2024-02-25_c192ef7aec1823ef849b053102c2ee35_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 1632 wrote to memory of 1680	1632	2024-02-25_c192ef7aec1823ef849b053102c2ee35_cryptolocker.exe	28
PID 1632 wrote to memory of 1680	1632	2024-02-25_c192ef7aec1823ef849b053102c2ee35_cryptolocker.exe	28
PID 1632 wrote to memory of 1680	1632	2024-02-25_c192ef7aec1823ef849b053102c2ee35_cryptolocker.exe	28
PID 1632 wrote to memory of 1680	1632	2024-02-25_c192ef7aec1823ef849b053102c2ee35_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_c192ef7aec1823ef849b053102c2ee35_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_c192ef7aec1823ef849b053102c2ee35_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:1680

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\lossy.exe

Filesize
53KB

MD5
757de12bce00816950a2c1847e17ce35

SHA1
b1c6091f90aa9824cf44b1092e54b10b1afa1679

SHA256
f04ced7373c44fed9b8fdeb7e41cc61fe0f60f3ca9cd1a271133420a4c375aba

SHA512
b1daecd192e8257db96f6a2baf7d69496674a5ea7eba51dbd9c1bb3b17f4ddcfa089715dbfe78736ad80aaf743827d15d03b8604938de32ef9f657b13b9d1c87

Download Submit
memory/1632-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1632-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1632-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1680-15-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download