74c4c9f6856223aa4d708bcde0710433082ccd2403b7d13766e2fdd6721ff960

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 19:23

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General

Target

2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe
Size

49KB
MD5

039272ba85d880c708f0d6bbde07a17b
SHA1

4c3123fce9ee9406b2be696033a17e9143eec1b5
SHA256

74c4c9f6856223aa4d708bcde0710433082ccd2403b7d13766e2fdd6721ff960
SHA512

67e877c4900e5a7d022d48f299be2865625a596fd813110aa1fb37628d767398a5620736583516271b4f15afd6ab4b18d5576fbf9fc4897808778c32918db9a7
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXfc:X6QFElP6n+gJBMOtEvwDpjBtEdXfc

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

2992 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe

pid process

2160 2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2992	asih.exe

pid	process
2160	2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe

description	pid	process	target process
PID 2160 wrote to memory of 2992	2160	2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe	asih.exe
PID 2160 wrote to memory of 2992	2160	2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe	asih.exe
PID 2160 wrote to memory of 2992	2160	2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe	asih.exe
PID 2160 wrote to memory of 2992	2160	2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_039272ba85d880c708f0d6bbde07a17b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2160

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2992

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
49KB

MD5
1e06c5bd4384691adcbb02e53d950c50

SHA1
d2467e9e0562d6696dc57b22f69c6f47059abda7

SHA256
a0ef7ffdfad9878f25e6b3e364456475147fa29e55a25f502d444e50d300aead

SHA512
ebee32cf67987053cf84ad92f9f8db5ef793a3183364e7ee594b7342ed68d97ddc51a8839bb291e03350e980a364b76b59a4ca6d1d2ee28f7e366219fffa1523

Download Submit
memory/2160-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2160-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2160-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2992-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download