716ba737dad03a3a81ab1509f1f962dbf6b96ad78e096cce92f09b2572922726

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12-02-2024 17:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe
Size

54KB
MD5

e459fe7a29f78e1543010ecd7f4b8698
SHA1

7e39200e0c3d41e3658b36730a66b4124ee64918
SHA256

716ba737dad03a3a81ab1509f1f962dbf6b96ad78e096cce92f09b2572922726
SHA512

64f59c957d98c43594f47e8d456809d0f22b68b9d97297088b4838ed840b167a37fe710c3d46f4c09636de337761e66e67887719ea4c2e624c761591c5431348
SSDEEP

1536:X6QFElP6n+gJBMOtEvwDpjBtE1yILJ0VX:X6a+BOtEvwDpjBOE

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

2092 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe

pid process

2548 2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2092	asih.exe

pid	process
2548	2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe

description	pid	process	target process
PID 2548 wrote to memory of 2092	2548	2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe	asih.exe
PID 2548 wrote to memory of 2092	2548	2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe	asih.exe
PID 2548 wrote to memory of 2092	2548	2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe	asih.exe
PID 2548 wrote to memory of 2092	2548	2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-12_e459fe7a29f78e1543010ecd7f4b8698_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2548

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2092

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
54KB

MD5
7d3943fd41ab8a7555057b1812fdde20

SHA1
1247a0a65d94fb9cef76bea629ce8b6ce894ca12

SHA256
575e13638ca8b3749da332edb67f0e372b316a7cfa7a0e3acab5b312cc582e43

SHA512
a9423575535a75214cd7dfd89fef8d5380a28414f122d8f858cc218632cd3607b1a1ecb84a313dd73de7f983fc2b4c3435dfef5bda058343bdd21de5f35450c2

Download Submit
memory/2092-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2092-17-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2548-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2548-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2548-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download