576be0781a0a537db2fe3d6625352fed72ef4827d62f5e06ef6eb0c8dd678a68

Analysis

max time kernel
95s
max time network
123s
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, 03:55

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General

Target

2024-09-12_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe
Size

38KB
MD5

ffeccd89442431cf7096cc1e8d7bd0b0
SHA1

bde4ada084233faffe32b449253693e0558a40c4
SHA256

576be0781a0a537db2fe3d6625352fed72ef4827d62f5e06ef6eb0c8dd678a68
SHA512

40d45f93fbfe047295038a584b8f746bb0fc4bfac7528a9cf2f01b442bfe0fc7cb64a12ce9a5785283d4e40d0af7f672c483c81bc42259c44272c744397dd471
SSDEEP

768:bAvJCYOOvbRPDEgXrNekd7l94i3pQheDZFmB:bAvJCF+RQgJeab4sbu

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	2024-09-12_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
4252	demka.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_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	demka.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 4252	2124	2024-09-12_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe	84
PID 2124 wrote to memory of 4252	2124	2024-09-12_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe	84
PID 2124 wrote to memory of 4252	2124	2024-09-12_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-12_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-12_ffeccd89442431cf7096cc1e8d7bd0b0_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4252

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\demka.exe

Filesize
38KB

MD5
efff3590d387b523df6f243a6c670350

SHA1
30c3de6da80cb63e774189eceb71a2a14fcef7c2

SHA256
40c4b9868ba5db5671f3f3e8634649f1621672739098b326bc2d4e66f8ff3272

SHA512
6a3828a0a1d53a3caf1cfd3b2dce12535b0027203a016d888411ca97cdde4cbe13a409e5d78238afd8b8adac02bd051a2553cab3dc763d47b7db8d7d69c66d62

Download Submit
C:\Users\Admin\AppData\Local\Temp\medkem.exe

Filesize
185B

MD5
235055939e45578609967226202766dd

SHA1
11a1eb653be683f65a37441e4523d68d9c744615

SHA256
01288402519caa7a4004adac4cb5d957da58c89b9c7d81bea097a91df52eab3a

SHA512
457dd512f95a8f9c8f7a6f116a47534a0d4cde0f3b9a506b1dc8cd4115c1f983e4eeb6ca57c5dcb5ea89ceeefbc31c6842c1d3eeec506698d1a6e9f0ea1f0af4

Download Submit
memory/2124-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/2124-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/2124-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4252-19-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download