e67ed63f8def8405087d977a64cfc9319fbdb432586b15a1ec03a674ba4f198f

Analysis

max time kernel
150s
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
02/10/2024, 07:28

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General

Target

2024-10-02_439ae5ba31cee2da403972c160d042e4_cryptolocker.exe
Size

35KB
MD5

439ae5ba31cee2da403972c160d042e4
SHA1

6a2c5fd7fddae01a92088839c88492b89ca017b7
SHA256

e67ed63f8def8405087d977a64cfc9319fbdb432586b15a1ec03a674ba4f198f
SHA512

573cc593a2632755e26a0e2707d1322c7bdd4a6731e6c9f874bc5388eb6b3808a26174c1f33fd5f28b6073a9de85705680468e9b2545718042b10a177f5fc399
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5/1D5:bgX4zYcgTEu6QOaryfjqDDw3sCu5/1D5

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	2024-10-02_439ae5ba31cee2da403972c160d042e4_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4132	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	2024-10-02_439ae5ba31cee2da403972c160d042e4_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 4972 wrote to memory of 4132	4972	2024-10-02_439ae5ba31cee2da403972c160d042e4_cryptolocker.exe	82
PID 4972 wrote to memory of 4132	4972	2024-10-02_439ae5ba31cee2da403972c160d042e4_cryptolocker.exe	82
PID 4972 wrote to memory of 4132	4972	2024-10-02_439ae5ba31cee2da403972c160d042e4_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-10-02_439ae5ba31cee2da403972c160d042e4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-02_439ae5ba31cee2da403972c160d042e4_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4972
- 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:4132

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\hasfj.exe

Filesize
35KB

MD5
5ad1400ddc88df9d958b7715deb8a288

SHA1
ba12dfb9a1bb9c8b010a8342a620ced8b2eb6f5c

SHA256
a4dcaf592f9e382457a58027ec8b17bc23923ae404238a5d1c2c25ae27445a50

SHA512
ec6e7bad135391b3ccda14f677ec1542416e316f06aebcb8a27f019e9278ad66d8a86578b61a7a46f805da79bf286a0c0d9617c5703789bca2bd13b2d894a4b3

Download Submit
memory/4132-17-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/4132-18-0x00000000021F0000-0x00000000021F6000-memory.dmp

Filesize
24KB

Download
memory/4972-0-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/4972-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/4972-2-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download