728f4cb1370646a310b2d2aa16286916b6bfb09415c1cc41f8cff935a7f4acee

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 20:24

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General

Target

2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_cryptolocker.exe
Size

36KB
MD5

5a8ed8771594cc35d1d6a084f7d26286
SHA1

eb40acc053a8dcc35b02d0d4cd49a3f5b80a9a53
SHA256

728f4cb1370646a310b2d2aa16286916b6bfb09415c1cc41f8cff935a7f4acee
SHA512

385efb0bf8780c6aeb32eeb32ba05837ea4cc386e2b5783d4612feaa1b65749f94e4190618019776d49a2b7f01b8201d98fca98b8e0f4e6392ffe9668776e332
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf6XT+0vJsg5b5URa:bgX4zYcgTEu6QOaryfjqDlC6JFbKRa

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1596	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	2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_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 4152 wrote to memory of 1596	4152	2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_cryptolocker.exe	82
PID 4152 wrote to memory of 1596	4152	2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_cryptolocker.exe	82
PID 4152 wrote to memory of 1596	4152	2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_cryptolocker.exe	82

C:\Users\Admin\AppData\Local\Temp\2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-28_5a8ed8771594cc35d1d6a084f7d26286_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4152
- 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:1596

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
36KB

MD5
a9162624db53d4e4aa2768a650d9066b

SHA1
5ef484da76555e3c5e9d2c2a6d3fa8b1bb1d4cb9

SHA256
69528793a1e5ca4d8a2c85aad98e62ef3c1066254da5e08dfdc51e335bb26efa

SHA512
7cbf4192a68be660da764b2a0f102738b0d438a4001adee2ddaeb9bc10578dfbfb13597c854ccad7301daf17bfc9172d39988aa216bc144a648e55d60a43ecab

Download Submit
memory/1596-18-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/1596-17-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/4152-0-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/4152-1-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/4152-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download