318c534110eb09f5edf34c537c09705141f7832cca87ce64129dec5ac9234396

Analysis

max time kernel
149s
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
19-09-2024 03:43

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General

Target

2024-09-19_d8d835270f6776854169d1cce9f3358e_cryptolocker.exe
Size

48KB
MD5

d8d835270f6776854169d1cce9f3358e
SHA1

a2ace11182497916f690ac78968375735452bba5
SHA256

318c534110eb09f5edf34c537c09705141f7832cca87ce64129dec5ac9234396
SHA512

d97766e5effa569cd85f83f12140bf271d40e4633b2e2a93ed179a543c774025ae398cb69fbcb4d5543bb95a724ab27401d88136e25903311df32a43322de60c
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlU:P6QFElP6k+MRQMOtEvwDpjBQpVX8U

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	2024-09-19_d8d835270f6776854169d1cce9f3358e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4576	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	2024-09-19_d8d835270f6776854169d1cce9f3358e_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 968 wrote to memory of 4576	968	2024-09-19_d8d835270f6776854169d1cce9f3358e_cryptolocker.exe	82
PID 968 wrote to memory of 4576	968	2024-09-19_d8d835270f6776854169d1cce9f3358e_cryptolocker.exe	82
PID 968 wrote to memory of 4576	968	2024-09-19_d8d835270f6776854169d1cce9f3358e_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-19_d8d835270f6776854169d1cce9f3358e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_d8d835270f6776854169d1cce9f3358e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:968
- 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:4576

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

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Downloads

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

Filesize
48KB

MD5
183f42d2be2d5a8adb5a89d507f0a162

SHA1
334b04c1a291c26705c383eff4d9feeba04dfab5

SHA256
a41d6caae2171b03ccb9b6a3411ae8f83af33a8471064ba75c30160d4710ef08

SHA512
7205d88201060a5e743e22e67b994491f592fc68a8bfd5e040098ec068050bc94da542fb85ef9a9fbc36ebc97091c0649975d05b38d3e892423c508104fa9b07

Download Submit
memory/968-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/968-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/968-2-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/968-3-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/968-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/4576-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4576-20-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download
memory/4576-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download