892940e9d5eb9dd79757c4db0f8c29b4646d118ef3e9f96f7c33d7858e32b7d9

Analysis

max time kernel
78s
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
05-09-2024 12:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_cryptolocker.exe
Size

32KB
MD5

9bd3eb40b9891a71371e7f6747c0f0e6
SHA1

6daf93f6f80ed7e0e92ba9ddf8efc7ad93b9c159
SHA256

892940e9d5eb9dd79757c4db0f8c29b4646d118ef3e9f96f7c33d7858e32b7d9
SHA512

77153d9a07dc6711f97d948f9de25496ea45a4a1b64db4b707ca3a87a52962198d355611e2f5d08b604e2c3475d5ac3e8e9bfdc5e27f9ce096d2ffbe5bdfe190
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cJ3vdoe:bAvJCYOOvbRPDEgXRcJX

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	demka.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4364	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	2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_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 4144 wrote to memory of 4364	4144	2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_cryptolocker.exe	88
PID 4144 wrote to memory of 4364	4144	2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_cryptolocker.exe	88
PID 4144 wrote to memory of 4364	4144	2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_9bd3eb40b9891a71371e7f6747c0f0e6_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4144
- 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:4364

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

Loading Replay Monitor...

Downloads

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

Filesize
32KB

MD5
670e679a457d402c8f8f4cbbaa94c002

SHA1
6f67682531b39895de69044210dbe98e9ab78e25

SHA256
bf39a8bf9ee634e759f18cb101e2927497bf085c6cd46d18da933a301e4b6b05

SHA512
61b1887cda39d4072e01b2b24edb047da2e3a5dabadd3eb0fd9acdfea4cc3b2b1f239a4818cb1f99c4fcefd38a0a9a8c5475429520e66b73d326101b1e23b0a4

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

Filesize
185B

MD5
c01421ec546b8bb7b581bca10a7c1e6d

SHA1
7e4e7dde2fc11bd7be0846a0111f9899a83321a4

SHA256
181f559d8c65d2c674943fa4f0e1fdb8ede4c7bf0a8df4575f5a4ea31edd089b

SHA512
e21d7ba3d424853ba030b2f51eeb8928d7d86b7fee638270f67cb3ec0078c12317b3be13a5638832cc885d92cfc22a82a3b6c66297908dcff7c7e791e596e19f

Download Submit
memory/4144-0-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/4144-1-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/4144-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4364-25-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download