4fada99f7a31a1efa009cdf45ba821e0b72d39da487f41e28300a2b7e2b5c7bf

Analysis

max time kernel
133s
max time network
140s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 08:06

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General

Target

2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe
Size

51KB
MD5

bf2dd97c1eec1669d94ef6e4bbb89629
SHA1

f2f7f895fd538895d8bf1c212874aae4b65f9be6
SHA256

4fada99f7a31a1efa009cdf45ba821e0b72d39da487f41e28300a2b7e2b5c7bf
SHA512

eb43123be9b4614ff643bb9848fffe70c911611bc31ffff79a094c2d43e8f9f552fd3f87b720120fc5de71318868847bb3c5e5263fe9f11cd473546de7b2aa7d
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQa2yfN:X6QFElP6n+gJBMOtEvwDpjBtE1y2yfN

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2856	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2276	2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2856	2276	2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe	30
PID 2276 wrote to memory of 2856	2276	2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe	30
PID 2276 wrote to memory of 2856	2276	2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe	30
PID 2276 wrote to memory of 2856	2276	2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_bf2dd97c1eec1669d94ef6e4bbb89629_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
51KB

MD5
9f6af7e3b9e223dac20cf730ab589732

SHA1
f3d5aeb48d3b314b44242fcb193e33dbfeb84c5e

SHA256
f4b35c7f9006a41d01e74435e55d5de8d431944cb1ee1488ac1abf90dff70567

SHA512
15f3079595851cbf4a9ae5fc248b2ddf3519fbdb0ffdee075022ad5638d19fdf79c9bb7972625d17748abc17a062a5ba1a9a7172b8b6ba55311f0fd8b9dfb4b9

Download Submit
memory/2276-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2276-1-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2276-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2856-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2856-22-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download