7944a04da926a1d23af093f64a39c9475711b6b74ea5036cd55d6f329c503452

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 18:44

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General

Target

2024-07-26_444a82e95246a4f03401e95a6e223509_cryptolocker.exe
Size

394KB
MD5

444a82e95246a4f03401e95a6e223509
SHA1

9dc3331cc917e455576599285e83bb2cb3217dc6
SHA256

7944a04da926a1d23af093f64a39c9475711b6b74ea5036cd55d6f329c503452
SHA512

3d1ec5dce157972bc38121db9838aa5f0b54ae71800f6509c02cb5871f2ff3fc6b97406a4daf88c199445f94fbee9ba77e9a0e28e2fe453b5b4aeea54a825a15
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXR2:nnOflT/ZFIjBz3xjTxynGUOUhXR2

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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	2024-07-26_444a82e95246a4f03401e95a6e223509_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
4736	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	2024-07-26_444a82e95246a4f03401e95a6e223509_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 3136 wrote to memory of 4736	3136	2024-07-26_444a82e95246a4f03401e95a6e223509_cryptolocker.exe	84
PID 3136 wrote to memory of 4736	3136	2024-07-26_444a82e95246a4f03401e95a6e223509_cryptolocker.exe	84
PID 3136 wrote to memory of 4736	3136	2024-07-26_444a82e95246a4f03401e95a6e223509_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-07-26_444a82e95246a4f03401e95a6e223509_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-07-26_444a82e95246a4f03401e95a6e223509_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3136
- 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:4736

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\hasfj.exe

Filesize
394KB

MD5
9db8afe341439af7a07a8a8d4f979f55

SHA1
80433eb65f6dcd388c6bd7419ae9787454f8a0af

SHA256
ab6460311c3d702bfa23a46eb64aecef0458d9375c1610fa491d5b4e970be35d

SHA512
5b0ffbd81f5f0a119ccbdbf498e5221d3168d968ecbe322b49c7b9bc2cef204f0cea87334c9963f8c6f67146059602f0c31557d78bb036b49173894c4cf31cb7

Download Submit
memory/3136-0-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3136-1-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/3136-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/4736-17-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/4736-23-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download