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

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

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

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

\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