9ef8c1899bdd574ecf8552de8a99120d896ee2d3f05ec813454403d6447fa092

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
04/09/2024, 19:44

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General

Target

2024-09-04_f216dace1088acce784a7d5b48ed86ac_cryptolocker.exe
Size

43KB
MD5

f216dace1088acce784a7d5b48ed86ac
SHA1

49ca637a34442cdbf45f7530143794da73e6e55f
SHA256

9ef8c1899bdd574ecf8552de8a99120d896ee2d3f05ec813454403d6447fa092
SHA512

450a00e26ad9f04bb141067d35a9e240d8d3c3de5047882ce7b244164931f431e82b5c88720fdc50f658ff94c50b2875419c4f49accd1ef9a530ba3058c34a5b
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaac4HK/wSvuQTCyD/95C:X6QFElP6n+gJQMOtEvwDpjBsYK/fbDFI

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	2024-09-04_f216dace1088acce784a7d5b48ed86ac_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4780	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	2024-09-04_f216dace1088acce784a7d5b48ed86ac_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 4292 wrote to memory of 4780	4292	2024-09-04_f216dace1088acce784a7d5b48ed86ac_cryptolocker.exe	87
PID 4292 wrote to memory of 4780	4292	2024-09-04_f216dace1088acce784a7d5b48ed86ac_cryptolocker.exe	87
PID 4292 wrote to memory of 4780	4292	2024-09-04_f216dace1088acce784a7d5b48ed86ac_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-09-04_f216dace1088acce784a7d5b48ed86ac_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-04_f216dace1088acce784a7d5b48ed86ac_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292
- 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:4780

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
43KB

MD5
dbbe971a58880a4eba77a1fcd5add4c9

SHA1
c5226aa028bfc81932f26631c349cec8e80c4cbb

SHA256
e8ddbb7a5a66180006969a0cbe9e2f7b0f38227b6ac11e52dc80c78682828f6e

SHA512
94900f932ae11626ee4f1a03b40157fc16ff72ae9cd4e70d58300ad10e9bedba269486aa7f96e5af2f7f0863980e7626377bc6694dbf38fd5a97d07898818fe6

Download Submit
memory/4292-0-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4292-1-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4292-2-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/4780-17-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/4780-18-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download