679c9c7e336690ac6c011efc3b81619b0bbadbe3c6c66aa85c25f7bc6100f3b6

Analysis

max time kernel
135s
max time network
144s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 15:51

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General

Target

2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_cryptolocker.exe
Size

42KB
MD5

c8b54b9a5696cba9aa572605b7be69f5
SHA1

aa0c189906106289b178db272c5db057883bbc8f
SHA256

679c9c7e336690ac6c011efc3b81619b0bbadbe3c6c66aa85c25f7bc6100f3b6
SHA512

094b027b5731dc15f567fa968c2a8c22cd2abd97cfed17dd2e2bc091e9629a439f75a9745557ec6f4f5cf4a31fcf85f462a952648e5b85e87f3fee2e57ec38ba
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzb5:V6QFElP6n+gMQMOtEvwDpjyaYaFAY

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2500	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1460	2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_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 1460 wrote to memory of 2500	1460	2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_cryptolocker.exe	28
PID 1460 wrote to memory of 2500	1460	2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_cryptolocker.exe	28
PID 1460 wrote to memory of 2500	1460	2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_cryptolocker.exe	28
PID 1460 wrote to memory of 2500	1460	2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_c8b54b9a5696cba9aa572605b7be69f5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1460
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2500

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
42KB

MD5
cb6468a4251157f3f0b4273ac32dcc02

SHA1
6bc3779c616bf37d5d7d0b81794531bee804e712

SHA256
ef34f4d838e3d8192307f8111af1f1bff9d1b77b2276c51d32f2166f46ea0fd8

SHA512
0a8497453e40c000dee82c8dcf11a25c15dff3e83ad0444c471b4db766407c6f9787625277a1f32d55ba896e9a26596902ed31bd3aca112252ec30d43d1feec2

Download Submit
memory/1460-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1460-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1460-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2500-16-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2500-15-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download