f0cfdcb49b125d9c38b605424e08046a6a69954ed7637cf8ffae2218bd50cf4e

Analysis

max time kernel
148s
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
10/10/2024, 05:44

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General

Target

2024-10-10_eb840ead21f8c02b8cf3929418921b05_cryptolocker.exe
Size

48KB
MD5

eb840ead21f8c02b8cf3929418921b05
SHA1

0d1293f850050e5966763e046af2febb11dccd29
SHA256

f0cfdcb49b125d9c38b605424e08046a6a69954ed7637cf8ffae2218bd50cf4e
SHA512

748c446c5ff576be4f0e40b297b9d0eb6545736eeab0f0fcc5ad082ba7cffafd7dcbebd68b1daf0be2c998d79cd04d30c26495aae9f0e9494723a0384d851411
SSDEEP

768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlAz:P6QFElP6k+MRQMOtEvwDpjBQpVX8Az

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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	2024-10-10_eb840ead21f8c02b8cf3929418921b05_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	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	2024-10-10_eb840ead21f8c02b8cf3929418921b05_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 2636 wrote to memory of 2776	2636	2024-10-10_eb840ead21f8c02b8cf3929418921b05_cryptolocker.exe	85
PID 2636 wrote to memory of 2776	2636	2024-10-10_eb840ead21f8c02b8cf3929418921b05_cryptolocker.exe	85
PID 2636 wrote to memory of 2776	2636	2024-10-10_eb840ead21f8c02b8cf3929418921b05_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-10_eb840ead21f8c02b8cf3929418921b05_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-10_eb840ead21f8c02b8cf3929418921b05_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636
- 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:2776

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
48KB

MD5
f71a4c68f76cba3815b37f8dc580a87e

SHA1
4ff6b0b533ffefc2f1945be997f8e36f225317e4

SHA256
75bed345592dfdeb075333c3da35e93589a61f343bba459b3a93acd53a125747

SHA512
654039cf2eb3be433a0b34c5cc5541ac08273d470474105735a9b41bfd17ba8a89f57b7eaa1b9c148cb83921aa3ab15e9bdbe87f2f5d81deb305997dbed7c274

Download Submit
memory/2636-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2636-1-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2636-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2636-3-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/2636-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2776-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2776-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2776-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download