ee1ec3fe4d1affa0f620bc59261d4b29e0be67d7ea9938ef729b62d299c43e39

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 18:43

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General

Target

2024-09-05_472fbe0eeebcfec13874f5c52ed4b3d4_cryptolocker.exe
Size

77KB
MD5

472fbe0eeebcfec13874f5c52ed4b3d4
SHA1

e40ef75a1e8933189a933406cb9564dc70fa5df6
SHA256

ee1ec3fe4d1affa0f620bc59261d4b29e0be67d7ea9938ef729b62d299c43e39
SHA512

4177063fb995b3f703229f69ce272b8afba858c0f17bdd1414f2fd9df11bb62c223f8d8da766c0418ada143c7f946e23b79776600f8c7faadceacc91e2b9bee0
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHs/:X6a+SOtEvwDpjBZYvQd2Y

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	2024-09-05_472fbe0eeebcfec13874f5c52ed4b3d4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2168	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_472fbe0eeebcfec13874f5c52ed4b3d4_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 3484 wrote to memory of 2168	3484	2024-09-05_472fbe0eeebcfec13874f5c52ed4b3d4_cryptolocker.exe	84
PID 3484 wrote to memory of 2168	3484	2024-09-05_472fbe0eeebcfec13874f5c52ed4b3d4_cryptolocker.exe	84
PID 3484 wrote to memory of 2168	3484	2024-09-05_472fbe0eeebcfec13874f5c52ed4b3d4_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-09-05_472fbe0eeebcfec13874f5c52ed4b3d4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-05_472fbe0eeebcfec13874f5c52ed4b3d4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3484
- 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:2168

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
77KB

MD5
12079895d0df6a953760a5ddde3e5d06

SHA1
3bb554ee161f422310d0b227f6ed1e0693bda096

SHA256
bdcfc29f5b93ec504dd0c92ccb423f83b2345f2c2dbecb54d488e7c47d6387fa

SHA512
c1a46899d4d06597e41787aae8d9631f57363458b482c27685e730a61d90154be4f70cf179e4d634a542aeffd9dcb1e3090ef6443a15a87ab9296d72d1490528

Download Submit
memory/2168-23-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/2168-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3484-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3484-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/3484-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download