dd6cd1331470b26c914b8faa368c97545dc22be78b5bcbfed295363a69fe3290

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
08/08/2024, 01:32

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General

Target

2024-08-08_b7bd032d7a3577e35022e842ad122086_cryptolocker.exe
Size

34KB
MD5

b7bd032d7a3577e35022e842ad122086
SHA1

0a898946aabdd667af3ed19af6b075f4049eaae5
SHA256

dd6cd1331470b26c914b8faa368c97545dc22be78b5bcbfed295363a69fe3290
SHA512

881da0bb6b1d69b551c6b3a364e15e3c7ef3a83a220287f26b08b2dae5a59fd6aee851d289cd12485ac83af96641585827282f64e137ee9146995cca5819ed7d
SSDEEP

384:bG74uGLLQRcsdeQ72ngEr4K7YmE8j60nrlwfjDUGTGXuadQN:bG74zYcgT/Ekd0ryfjHN

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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	2024-08-08_b7bd032d7a3577e35022e842ad122086_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1584	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	2024-08-08_b7bd032d7a3577e35022e842ad122086_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 5128 wrote to memory of 1584	5128	2024-08-08_b7bd032d7a3577e35022e842ad122086_cryptolocker.exe	87
PID 5128 wrote to memory of 1584	5128	2024-08-08_b7bd032d7a3577e35022e842ad122086_cryptolocker.exe	87
PID 5128 wrote to memory of 1584	5128	2024-08-08_b7bd032d7a3577e35022e842ad122086_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-08-08_b7bd032d7a3577e35022e842ad122086_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-08_b7bd032d7a3577e35022e842ad122086_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5128
- 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:1584

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
3c9c263ee91a8c559fef7ea3fb8d5d66

SHA1
591778f92c50de93fd5856c2cd308cc1cc432027

SHA256
8c416f919c04db39b02f65047045a5671a21ec03bb165479ec5356580cab4fae

SHA512
77b1e496c65d5eb7ef478013efd683333df072bf32cbefd22a990405bc460f0430c05e3d41e876f74ad7bf16c55cc257d27e8137c00122fec5762524b83febd3

Download Submit
memory/1584-18-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/1584-20-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/1584-26-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/1584-27-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/5128-0-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download
memory/5128-1-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/5128-2-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download
memory/5128-3-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/5128-17-0x0000000008000000-0x000000000800A000-memory.dmp

Filesize
40KB

Download