2ce181456f1c9ab60f789e29b5290e53bee1bfe021636c109595dae0211538c5

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:51

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General

Target

2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe
Size

71KB
MD5

5ef553290eefdf29a58decf9ce6e36b3
SHA1

5e62c82bdee69dc57db8cf2f5e3521c71061d5f3
SHA256

2ce181456f1c9ab60f789e29b5290e53bee1bfe021636c109595dae0211538c5
SHA512

3f062302e3f671bdb28f20c75ee56bd6d908ac32533ff848b5f43b8f87277bd2275ae42198010d7e760762ef8fc0c3dff451f0edce9efe351530a29e4fd321c9
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1bb:X6a+SOtEvwDpjBZYvQd2H

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

2552 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe

pid process

1936 2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2552	asih.exe

pid	process
1936	2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe

description	pid	process	target process
PID 1936 wrote to memory of 2552	1936	2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe	asih.exe
PID 1936 wrote to memory of 2552	1936	2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe	asih.exe
PID 1936 wrote to memory of 2552	1936	2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe	asih.exe
PID 1936 wrote to memory of 2552	1936	2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_5ef553290eefdf29a58decf9ce6e36b3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2552

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
71KB

MD5
a9d8979af738ee59daceef5a600bfdc6

SHA1
31c9e0f59027e4de4057e7236d6a23beeb222420

SHA256
cc869b23c2ac292a3e1cb053d70e46777e0db3791a2dc56dbc9fabb7f351edbe

SHA512
6d10769853495eb18bccbed3f69e6a44a1b93de242953a3846ddeaa05191e1adcbc15c146822e51007cd78a8b9c423c55a24f99de21a884dfad37cce6cf85aca

Download Submit
memory/1936-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1936-2-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1936-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2552-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2552-16-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download