d309c66f74e56e6c98ac0b2f105f1ab47f26d2b3a72348682ca09f8fea31d501

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
27-04-2024 22:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe
Size

85KB
MD5

638f4cb3f54e9189db0e4a63a8ec76c5
SHA1

cc1fa3211e0d946ee93c2bfa60c56209e751f551
SHA256

d309c66f74e56e6c98ac0b2f105f1ab47f26d2b3a72348682ca09f8fea31d501
SHA512

b70dd307712c2f41c9cf0bf8eb7846cf6ddb9d970c9cb2d5340ef44720c8b3332783f8d7b1ee04495e88123b88524103ebfdb0a714267c196695b6429eb29e78
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjyaLccVNl6ax:V6a+pOtEvwDpjvpl

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

2528 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe

pid process

2324 2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2528	asih.exe

pid	process
2324	2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe

description	pid	process	target process
PID 2324 wrote to memory of 2528	2324	2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe	asih.exe
PID 2324 wrote to memory of 2528	2324	2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe	asih.exe
PID 2324 wrote to memory of 2528	2324	2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe	asih.exe
PID 2324 wrote to memory of 2528	2324	2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-27_638f4cb3f54e9189db0e4a63a8ec76c5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2324

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2528

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
85KB

MD5
1bdee7b663e92607449d9409b2fa63fd

SHA1
de1c51b7f5ef81c1cc95bb54795a84a7b0d9d00f

SHA256
330220d40d69e67a2808c0fff1727e717c9c1139f50eba35a3f10d189271b080

SHA512
98941ee669e8b9fdf88647959cccedcca0a5f83b9190ace95b78000c103deb5e2d4d3ef348325e4a6ae002bf91ac07c49891862ecc611b822f8a17d3404a3a2f

Download Submit
memory/2324-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2324-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2324-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2528-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2528-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download