6efbc5eb9596555e6ac8eb6bad187273fd7c4415331e5e3b12ca84c91456db8b

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2024, 04:33

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General

Target

2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe
Size

45KB
MD5

42d47c0a7b1bb73e8197137b3eef87bb
SHA1

27a6efb95c965bbd2ea49dec82cfb2489e827107
SHA256

6efbc5eb9596555e6ac8eb6bad187273fd7c4415331e5e3b12ca84c91456db8b
SHA512

5e5c3f1391b9fd26eb2703decf8a51d9ba187c02ffed9f43f10baf5e8536edd79f2a0e4a0021688879540018e2e27f469c93b601b45dc3520d00228481b1765e
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+Nb:bm74zYcgT/EkM0ryfjd3Wb

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3120	hasfj.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	2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hasfj.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 3120	2312	2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe	85
PID 2312 wrote to memory of 3120	2312	2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe	85
PID 2312 wrote to memory of 3120	2312	2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-12_42d47c0a7b1bb73e8197137b3eef87bb_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3120

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\hasfj.exe

Filesize
45KB

MD5
26d899a22c7ebfc14f4941a2d95ffe2e

SHA1
201339ea27a630d0340e2a603d3800ed5294a65a

SHA256
7769a0ed62ac2a45b1112353c95316832849f51c77a37ce0a049292275411d26

SHA512
3387dfd2a04f6411645ca318cf27b2531b3d19e501ca4862bf9a83af4fbc789f496f4f68d4960d2fcb0cb9ccb83272bc773e44361bb9c836ece311df0f575c07

Download Submit
memory/2312-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/2312-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2312-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download
memory/2312-3-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2312-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/3120-19-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/3120-25-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/3120-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download