f8798381aa7577b29d5125492f3b2caa97b08350cbc7d8972b5451dd2cf4586b

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
05/09/2024, 07:29

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General

Target

2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_cryptolocker.exe
Size

44KB
MD5

8034ad1f7c634d0d2a489079ea1d85c0
SHA1

ce9d217bbf727a853adcf4a7fa54b7911e4a46c4
SHA256

f8798381aa7577b29d5125492f3b2caa97b08350cbc7d8972b5451dd2cf4586b
SHA512

00057b1349d71e964bc756ca801ad49356df21bdaac279bb9815086eb895739d7e5588a508b9eb7954679566dbfc15c833b79f17e371a7e8685c89b319b67523
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFHuRcD9HdE:X6QFElP6n+gJQMOtEvwDpjBmzDkWDtdE

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3560	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	2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_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 1484 wrote to memory of 3560	1484	2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_cryptolocker.exe	85
PID 1484 wrote to memory of 3560	1484	2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_cryptolocker.exe	85
PID 1484 wrote to memory of 3560	1484	2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_8034ad1f7c634d0d2a489079ea1d85c0_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1484
- 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:3560

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
44KB

MD5
a83be44455de2822f11d4fb259781083

SHA1
808b75c0ac8853ff1503b0fe5e7b9ebddc0fda25

SHA256
498cf8a0cc355740e6586da4fe9e5e2c8b9737818189d6accb46d929a42b42b4

SHA512
34b40bb568145b64b223bd1ad5db99482254c1dfc18f87e8d6de01ede113b2ceacd1d5883defb701bfddf287dfddafb95354dee332a6afe6a9efe3386157a96f

Download Submit
memory/1484-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1484-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/1484-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download
memory/3560-17-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/3560-23-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download