7665a1ae50a76f310f05584024ec794ce43d92e3804365411667b71e0ff8098a

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 09:04

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General

Target

2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe
Size

49KB
MD5

e53f4409f64e3c26782de5ed9a02a6d0
SHA1

2f69b014ae6b9c5e5b6e4d81d666a06e3b34fb00
SHA256

7665a1ae50a76f310f05584024ec794ce43d92e3804365411667b71e0ff8098a
SHA512

2779f7b663f294af5250b36b707e561dc9856e6b5318b05b8093c23e1ec59603713a2e55a969838af1e094d86e5db20b9054d91e4ee2af57f433cd700a8e9cb6
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakNQ:V6a+pOtEvwDpjf

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000121c5-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000121c5-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2136	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2080	2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2136	2080	2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe	28
PID 2080 wrote to memory of 2136	2080	2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe	28
PID 2080 wrote to memory of 2136	2080	2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe	28
PID 2080 wrote to memory of 2136	2080	2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_e53f4409f64e3c26782de5ed9a02a6d0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2136

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
f1c6b23b059124fa2db311f9cbae7b3e

SHA1
dd462911fe589e66a49d48cfd3b86e7da850fe33

SHA256
f70bc5e6dead95ceca567922ee5c0346040e47431c7460524d56d93af55ca077

SHA512
eb85417e26a8c15659b14ad30d5ec05f05c81c23a0a7c1b55e0f63121591ff31fa7e6c75c60d17a94f0bf1232d7c2231b96988a12a4d5295ff0d7c51f1344c37

Download Submit
memory/2080-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2080-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2080-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2136-15-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download