7b6966d7eb22725dbb68723a335d931c6a36187ccd479ab550b2278471b8f70d

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
30/06/2024, 02:03

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General

Target

2024-06-30_941b5967881673d75b4a783e913e8e8d_cryptolocker.exe
Size

78KB
MD5

941b5967881673d75b4a783e913e8e8d
SHA1

e4d374b7705939c9ddf2066c984405dab5dab8c5
SHA256

7b6966d7eb22725dbb68723a335d931c6a36187ccd479ab550b2278471b8f70d
SHA512

20fe9fb64fba1c77193a87f2c6dd320ce7cf11ee7a737126734ddcf542818d1069f80d1a6106737d0cf504768fcded150935ca790d34768afabcce95ec68acb2
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLktD:X6a+SOtEvwDpjBZYvQd2C

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000500000000b309-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000500000000b309-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2296	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	2024-06-30_941b5967881673d75b4a783e913e8e8d_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 2384 wrote to memory of 2296	2384	2024-06-30_941b5967881673d75b4a783e913e8e8d_cryptolocker.exe	28
PID 2384 wrote to memory of 2296	2384	2024-06-30_941b5967881673d75b4a783e913e8e8d_cryptolocker.exe	28
PID 2384 wrote to memory of 2296	2384	2024-06-30_941b5967881673d75b4a783e913e8e8d_cryptolocker.exe	28
PID 2384 wrote to memory of 2296	2384	2024-06-30_941b5967881673d75b4a783e913e8e8d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-30_941b5967881673d75b4a783e913e8e8d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-30_941b5967881673d75b4a783e913e8e8d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2296

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
78KB

MD5
c56e198d4cd212524d1a9f0694041ea1

SHA1
e596ef7cb97af560f6d523063dc870c189fa6ad7

SHA256
f81471e58ef67eb1d1673c233ccb8b42772a24e4ad87c9bd95af6175f4f84a4c

SHA512
013b6d377ae3417b29fdd92d9c3614a1af5d62d332aef816a55e6bfc89985f8264a5541d520476381167ff2710ca179dfda621a2f9c31be08f6a224e5e165a27

Download Submit
memory/2296-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2296-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2384-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2384-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2384-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download