5d2077498310df9cacacf8d0933bb2958d3e31f1bcc802f66325a9eb3d65241b

Analysis

max time kernel
95s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 20:26

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General

Target

2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe
Size

33KB
MD5

b9ca86bce4701ca892fdb67b760e77ce
SHA1

02d3cbcf68c64813d73538834ffbd4e2d45c4395
SHA256

5d2077498310df9cacacf8d0933bb2958d3e31f1bcc802f66325a9eb3d65241b
SHA512

0f6b56a250688519f2f585144941c7efed8bb1eb6acac0c24ead97bfce1c7275a5f5c373b25912385854687ad712408e7d66bf47769e763a7b99ad7a0b2e40b0
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3v7Ldb:bAvJCYOOvbRPDEgXRcJPdb

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
1632	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	2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_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 4188 wrote to memory of 1632	4188	2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe	82
PID 4188 wrote to memory of 1632	4188	2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe	82
PID 4188 wrote to memory of 1632	4188	2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-21_b9ca86bce4701ca892fdb67b760e77ce_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4188
- 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:1632

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\demka.exe

Filesize
33KB

MD5
0b99465b70862cc9822d8f97b44603a0

SHA1
5b377d5ee949d68b43dcd55059e45fdef9062a3e

SHA256
cde74589e476c0237017c0786ce6199bc9c0fa9071791478b6de3c01040cb306

SHA512
8d21a85540c5eb9f65844499853b066babd910ecf6af364e50cc7dd9a9b3b56d5060f50b53e5a4eaf5b492694987133305033e3819ab5f6e59d063bf2a5d0136

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

Filesize
185B

MD5
8252873be70b23a80aa92234e73548e8

SHA1
331f31d7ce4da33064f7a765a4a4598a110aa396

SHA256
4d193ee52bdf819f8e66afd4b61e8475392068f9a89ca688aab00aef19891242

SHA512
45303dc397c0763abf9e3ec895bd158b3efc77c50601dc392cdad24a502a6e7631a1cf0208c559bce5e6a161538a1a1e2b72e99216ddacc2e5be7eb7ff13c9b7

Download Submit
memory/1632-19-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/4188-0-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/4188-1-0x0000000002140000-0x0000000002146000-memory.dmp

Filesize
24KB

Download
memory/4188-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download