d93750b67cf2cf47934a3df3a04dac88f3f81c20ea004a83e2ff18f3b2878c57

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 08:45

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General

Target

2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe
Size

46KB
MD5

ea862a7d70b02a7c6284f36f442ce4b9
SHA1

f9a9e22f0149f36c382c7ebb1012858e85789762
SHA256

d93750b67cf2cf47934a3df3a04dac88f3f81c20ea004a83e2ff18f3b2878c57
SHA512

cf6834de5c570989a7af9ef422487fd9a0ff33f62d3e6c70ab0b1eb74f2dd762ad5187f181518017391b8e40e7d640b3bd8b1bf161f727b8a77c3a13b26b3b22
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUknqN:bm74zYcgT/EkM0ryfjdnqN

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1300	hasfj.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	2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 1300	1544	2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe	84
PID 1544 wrote to memory of 1300	1544	2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe	84
PID 1544 wrote to memory of 1300	1544	2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-23_ea862a7d70b02a7c6284f36f442ce4b9_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
46KB

MD5
a0a93a4bc1d216b772d5fd43290d2842

SHA1
6f0877bbfb4f862b7d6a5d7a76b9c8afad4ce619

SHA256
935529fcbe1cef7756552c4728052b94e700653b2c2368e63975b10024b1a7f2

SHA512
be5a4456d1d83cf6f45331ec5f2af5419cf2246cd3399ef55c34ac95fa03cd395f0cf1dd39e77862958b29627041d1a3244fb703f813979c8fca9b31ec5307d9

Download Submit
memory/1300-25-0x0000000002120000-0x0000000002126000-memory.dmp

Filesize
24KB

Download
memory/1300-19-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/1300-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1544-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1544-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1544-2-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/1544-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/1544-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download