40a5953819f721614e5d60a2cd086527a126039b8eb1d80db095d035a35372b3

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
05-09-2024 12:11

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General

Target

2024-09-05_93f394e86fc79a7071b0611291e04976_cryptolocker.exe
Size

47KB
MD5

93f394e86fc79a7071b0611291e04976
SHA1

389e17eb96861c3d227af32e742fbb27aa260c31
SHA256

40a5953819f721614e5d60a2cd086527a126039b8eb1d80db095d035a35372b3
SHA512

dce47c2a8774ace5a583dc8d99e41e425b955d4a7f7fb59ae3aa0bbf9e6723f353a6487f406a794044b01437c290c704150394678c818d04f3a7b84216c310cc
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLam5aFr7YOzzfm0EXsi/:V6QFElP6n+gMQMOtEvwDpjyaYaFAh39/

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	2024-09-05_93f394e86fc79a7071b0611291e04976_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4868	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	2024-09-05_93f394e86fc79a7071b0611291e04976_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 3992 wrote to memory of 4868	3992	2024-09-05_93f394e86fc79a7071b0611291e04976_cryptolocker.exe	85
PID 3992 wrote to memory of 4868	3992	2024-09-05_93f394e86fc79a7071b0611291e04976_cryptolocker.exe	85
PID 3992 wrote to memory of 4868	3992	2024-09-05_93f394e86fc79a7071b0611291e04976_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-09-05_93f394e86fc79a7071b0611291e04976_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_93f394e86fc79a7071b0611291e04976_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3992
- 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:4868

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\asih.exe

Filesize
47KB

MD5
12d940f70cf0c1423b6c28472f728965

SHA1
3fa49da81e945b927ee264302317412579e5907c

SHA256
f393178511d26eb47ecde0d291532d8a206a0b9a6a8a5dafe40c2f0e9da45168

SHA512
b26e5caa565b81caabe8860b06e068572d4bcd1fa94d1fe2253cdb2d03d221b6ac7895caa94e4ce3fe04002e7a502437f09b4bd10ea13d94f2601fd2e56d75ab

Download Submit
memory/3992-0-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/3992-1-0x0000000002320000-0x0000000002326000-memory.dmp

Filesize
24KB

Download
memory/3992-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/4868-17-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/4868-18-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download