013dceae128e8fde6fac9b0d7f28a54593a1d219de9fbbec3074a7edf40803de

Analysis

max time kernel
149s
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
14/10/2024, 04:49

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General

Target

2024-10-14_898dd82137b95bfaad5b307f8bb1373e_cryptolocker.exe
Size

41KB
MD5

898dd82137b95bfaad5b307f8bb1373e
SHA1

48b19b1e0f202f0b674b7af8a47b08dd811c9a0a
SHA256

013dceae128e8fde6fac9b0d7f28a54593a1d219de9fbbec3074a7edf40803de
SHA512

ff979996a6946f811b71707672a00a24c19d047e203fcfe924e3d867e92ba7ddc923fed90f314433f0808080e615eca6677cf15fdf7f571af652cf7603b452ec
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBVaD3TP7DFCw0xTR:X6QFElP6n+gJQMOtEvwDpjBmzDU5xV

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	2024-10-14_898dd82137b95bfaad5b307f8bb1373e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
3400	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	2024-10-14_898dd82137b95bfaad5b307f8bb1373e_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 3124 wrote to memory of 3400	3124	2024-10-14_898dd82137b95bfaad5b307f8bb1373e_cryptolocker.exe	85
PID 3124 wrote to memory of 3400	3124	2024-10-14_898dd82137b95bfaad5b307f8bb1373e_cryptolocker.exe	85
PID 3124 wrote to memory of 3400	3124	2024-10-14_898dd82137b95bfaad5b307f8bb1373e_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-10-14_898dd82137b95bfaad5b307f8bb1373e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-14_898dd82137b95bfaad5b307f8bb1373e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3124
- 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:3400

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\asih.exe

Filesize
41KB

MD5
3a967dbe29577c8a5ed9a57bd9557ab8

SHA1
15fb20f63195ea1f75f66304035ac80f1887da25

SHA256
58865651cac234a4f55fbd2fe08a12b58921d6bafcf4fb9c831831f766306add

SHA512
1471361556dfb4da098228e920c40a2ba5394e05d11ed7011955f3ab47db541ef0fdb4656648fc795ecc83369660e74a51eae5b78aba464dbaa4146f4f5e0c05

Download Submit
memory/3124-0-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3124-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3124-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/3400-17-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3400-18-0x0000000002050000-0x0000000002056000-memory.dmp

Filesize
24KB

Download