31985fdc1d83abf62161b15fe814e6698326dfac59fb583695c43b240e7e8079

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-02-2024 20:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe
Size

45KB
MD5

ca8125d134368e8425615af217810053
SHA1

faccaa28a06e97f2a54766936943dcaa8181522f
SHA256

31985fdc1d83abf62161b15fe814e6698326dfac59fb583695c43b240e7e8079
SHA512

2702863fd682d4f9f78d7b96472d6e49bf26b4c75619527f72cf0eef0bc4eec566ee72c9a512984a86e59db10cb783110e80baf3ac9794a9e76bd716ecd0fcd2
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3rtLSvI:V6QFElP6n+gMQMOtEvwDpjyaHaXvOvI

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

2688 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe

pid process

1268 2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2688	asih.exe

pid	process
1268	2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe

description	pid	process	target process
PID 1268 wrote to memory of 2688	1268	2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe	asih.exe
PID 1268 wrote to memory of 2688	1268	2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe	asih.exe
PID 1268 wrote to memory of 2688	1268	2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe	asih.exe
PID 1268 wrote to memory of 2688	1268	2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_ca8125d134368e8425615af217810053_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2688

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
45KB

MD5
5f9f17d5d680631da06e214f1178dac3

SHA1
927558b5bf75ace3ee60c53385d3acbc6e0d8610

SHA256
c35e78ba3808e87631bce149da1b4a363daed7100c70bd304937b86e0952d61c

SHA512
f7f7483953b63c13bf0a424562fbe2a9efd6da43218add75fba2da17bf40be37f25ae4a622346788a95f6aa8dda0c5637c3fdd9e723d4d2deb8c9a5cf26617f1

Download Submit
memory/1268-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1268-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1268-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2688-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2688-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download