27eecaf9a57fd4e4d3063a697d4acc683193e4fbd552392d340ddcf6eb276925

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
11/06/2024, 19:33

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General

Target

2024-06-11_7000c1819555ff71dbbe71beb136993a_cryptolocker.exe
Size

77KB
MD5

7000c1819555ff71dbbe71beb136993a
SHA1

8fcd6de20d3a63641d507a91817a5be10996d132
SHA256

27eecaf9a57fd4e4d3063a697d4acc683193e4fbd552392d340ddcf6eb276925
SHA512

00f4d508142027d226dbd81454a3616dc77d0ce20a518e85017e694bcd4abc0ce26a2709078fce0b97b958945bb2d8318f397af6acff9ebf295201e1dc1f5e48
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1si8:X6a+SOtEvwDpjBZYvQd2y

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000141e6-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000141e6-12.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2400	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2212	2024-06-11_7000c1819555ff71dbbe71beb136993a_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 2212 wrote to memory of 2400	2212	2024-06-11_7000c1819555ff71dbbe71beb136993a_cryptolocker.exe	28
PID 2212 wrote to memory of 2400	2212	2024-06-11_7000c1819555ff71dbbe71beb136993a_cryptolocker.exe	28
PID 2212 wrote to memory of 2400	2212	2024-06-11_7000c1819555ff71dbbe71beb136993a_cryptolocker.exe	28
PID 2212 wrote to memory of 2400	2212	2024-06-11_7000c1819555ff71dbbe71beb136993a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-11_7000c1819555ff71dbbe71beb136993a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-11_7000c1819555ff71dbbe71beb136993a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2212
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2400

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
77KB

MD5
74661b48bf6f2e9cea9706ed1560fd59

SHA1
6caf7e453a35cc52637465d2ab949aafb98f32ff

SHA256
70a21441ab6c56e67436d136654343f7095788b346a1770b248cb43a75b6c461

SHA512
52577883b953226d11d4eb1b9e3ddea1ef915bb8c6d71e82bd7fcb69c0655316835f95bdca1864c35176b3b97cf32b3a96ef3a6bc5d23ee6f9910016708c5b05

Download Submit
memory/2212-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2212-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2212-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2400-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2400-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download