1af8b61e3010a38815d1efe24305870855576cff3fbc23fcb536a28bceda3990

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 05:27

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General

Target

2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe
Size

47KB
MD5

4374ea1bf2183c921aa430c37986c07c
SHA1

f87ef4ab6f693145c5a6ab9bfed303419744d429
SHA256

1af8b61e3010a38815d1efe24305870855576cff3fbc23fcb536a28bceda3990
SHA512

c8bd88820eadfad0d99ed35f0d126901657e45c1a1c333abd1b63bee3a13826c7fc116632d7685910f3472ed5ecf6cd57e1db24a86602d3d2fe3abadfc61374a
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlADh:P6QFElP6k+MRQMOtEvwDpjBQpVX8AF

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4608	asih.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	2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 4608	1216	2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe	84
PID 1216 wrote to memory of 4608	1216	2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe	84
PID 1216 wrote to memory of 4608	1216	2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_4374ea1bf2183c921aa430c37986c07c_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1216
- 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:4608

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\asih.exe

Filesize
47KB

MD5
5aefb378c017388077bbb4be21fe7108

SHA1
ea8a40fd3a59df6459a1b2d10d22cb3e190a1b24

SHA256
453cf13f2732f643d2576fdf32a316d15225a279103d7c8ab1db6a8e1445a07b

SHA512
359f4dadac91fa3fc1fe14e9eb73c66758163045797091c9bd49896fc4032797c74d613b7e3c3aa23c3cc826067f107bdab9a082a08f5a7206853c246958a725

Download Submit
memory/1216-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1216-1-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000000690000-0x0000000000696000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/1216-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4608-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/4608-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download