70bb9faea93f27366deed89be5aed194a0168e5863c784f0e221e8f73211eae2

Analysis

max time kernel
147s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:22

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General

Target

2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe
Size

41KB
MD5

073201000b3d45a8de986cd57b8992d8
SHA1

d647e350e61c467959f0de71e80415d2e6ce674a
SHA256

70bb9faea93f27366deed89be5aed194a0168e5863c784f0e221e8f73211eae2
SHA512

bab2de62d5759e1f86afe0eeb3d79baa381308929392648249de782a4d24dd3ee2bac39ea433076af0418e2ae12f197d57b9d61214a29d2434a1dd8fd284c15e
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HKcfr9OrC:X6QFElP6n+gJQMOtEvwDpjBsYK6r0rC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\asih.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2504 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe

pid process

2932 2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2504	asih.exe

pid	process
2932	2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe

description	pid	process	target process
PID 2932 wrote to memory of 2504	2932	2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe	asih.exe
PID 2932 wrote to memory of 2504	2932	2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe	asih.exe
PID 2932 wrote to memory of 2504	2932	2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe	asih.exe
PID 2932 wrote to memory of 2504	2932	2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_073201000b3d45a8de986cd57b8992d8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2504

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
41KB

MD5
2141e4627b35f10681160f8ea737b4fa

SHA1
dc48596f5d66860f396689a13a10766d2a2c2746

SHA256
12bc78cd4a401b24141bc571ded1cb612987b20459af565c265bd468790a53c8

SHA512
d557c31ff6849c65a99df47f216103c3742b2dc65a883df2c8def99a4e2d78ba78f53abd1475d04f85d644dea8257fc669d9da13fc572295eed556519bbac502

Download Submit
memory/2932-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2932-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2932-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download