c3c04e0696583c27e7fba7f989fa94354cd734af298f486eef7dbf356cb7dda0

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/04/2024, 02:02

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General

Target

2024-04-22_6fd588cf9c044c6e976760f5783edac8_cryptolocker.exe
Size

40KB
MD5

6fd588cf9c044c6e976760f5783edac8
SHA1

8b2e252adeff547fb58a9b76cba1fe0259b5f1da
SHA256

c3c04e0696583c27e7fba7f989fa94354cd734af298f486eef7dbf356cb7dda0
SHA512

d88f979701b2c49ca7f8c3b6c2dbb190b6eb7a86262be8dd03af7ec5c715b455a6d029aeddb38e3a635ea445cc0369a631dc5a917589a974f1de08a568d7650d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HKcfrYW:X6QFElP6n+gJQMOtEvwDpjBsYK6rN

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001224e-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e00000001224e-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3064	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1712	2024-04-22_6fd588cf9c044c6e976760f5783edac8_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 1712 wrote to memory of 3064	1712	2024-04-22_6fd588cf9c044c6e976760f5783edac8_cryptolocker.exe	28
PID 1712 wrote to memory of 3064	1712	2024-04-22_6fd588cf9c044c6e976760f5783edac8_cryptolocker.exe	28
PID 1712 wrote to memory of 3064	1712	2024-04-22_6fd588cf9c044c6e976760f5783edac8_cryptolocker.exe	28
PID 1712 wrote to memory of 3064	1712	2024-04-22_6fd588cf9c044c6e976760f5783edac8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-22_6fd588cf9c044c6e976760f5783edac8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_6fd588cf9c044c6e976760f5783edac8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3064

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
40KB

MD5
e82cb9d3ab7070c40c7a5570b34708e3

SHA1
e05cd3562540184186eb3f7a483e688aa4c77d72

SHA256
38bd8dd7b6546220f600d9dad0c4b8e210bc8d9f6719fa6dedaf9539579af825

SHA512
b137ce71814d1a7b5eb68417137bf0533c262fc5de66ad92903cc090127ede49ff3ff874a59685cfcd3a6c0e4de61051abc4dd486861603c76a2b725395e3695

Download Submit
memory/1712-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1712-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1712-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download