80ad6ad8a3bc3c808b014cee99cfe38f612f46e89563bd1c4861046af9fd97b1

Analysis

max time kernel
150s
max time network
141s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12-02-2024 20:19

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General

Target

2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe
Size

45KB
MD5

c6c227032358e9c8d937e3c0c67498a5
SHA1

0115d4d491baebb63d145b4f5d4083766be70f70
SHA256

80ad6ad8a3bc3c808b014cee99cfe38f612f46e89563bd1c4861046af9fd97b1
SHA512

30c6627502c192e788dea6a6f9c4fbf3a4115210dc43bc76af8176479f014901f36b71a7ff99989f5a348f2576f13a4e90c0592de153e9226fbfa38acfe3d950
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3rWS:V6QFElP6n+gMQMOtEvwDpjyaHaXkS

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

1468 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe

pid process

2192 2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1468	asih.exe

pid	process
2192	2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe

description	pid	process	target process
PID 2192 wrote to memory of 1468	2192	2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe	asih.exe
PID 2192 wrote to memory of 1468	2192	2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe	asih.exe
PID 2192 wrote to memory of 1468	2192	2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe	asih.exe
PID 2192 wrote to memory of 1468	2192	2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_c6c227032358e9c8d937e3c0c67498a5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2192

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:1468

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
45KB

MD5
48f18052f329d2363f6b64d2e53f56fb

SHA1
3923cfe3bc88b91fab1b31efc23547cc7f89ac97

SHA256
afadc39eb44e4486eea604b9cd7b2771cb0f12c1db8837b9a1ed7b512329f98f

SHA512
16a2b5bb7cf077c02b8f1d1ec4a640c96aa6ecdd295f2a8e1946757eba1a8527761273ddb1c43a879114564186586ceb32bc94c346d8f18fe1326a9ca1cf8805

Download Submit
memory/1468-15-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/1468-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2192-0-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2192-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2192-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download