8b0847a596ab8b6ae69cf3f5ca297b725f40f7b72b587c0285cc534a498b5538

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 02:33

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General

Target

2024-10-18_58913ed42db3b49614c21726b04e5a3e_cryptolocker.exe
Size

46KB
MD5

58913ed42db3b49614c21726b04e5a3e
SHA1

bfe48c34e4b8850b04a11e34b5ea29cb2f004ebc
SHA256

8b0847a596ab8b6ae69cf3f5ca297b725f40f7b72b587c0285cc534a498b5538
SHA512

ff8a5f16f033e5a8ff860667d77a5c7b5acb55261236ace758dd4f6e4eac316b75c01735ca2bd7b7547ee9b143c40da49ef70ec84db1e52c32f25390fa282d24
SSDEEP

384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUknqcGY:bm74zYcgT/EkM0ryfjdnqcGY

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	2024-10-18_58913ed42db3b49614c21726b04e5a3e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1436	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	2024-10-18_58913ed42db3b49614c21726b04e5a3e_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 1868 wrote to memory of 1436	1868	2024-10-18_58913ed42db3b49614c21726b04e5a3e_cryptolocker.exe	87
PID 1868 wrote to memory of 1436	1868	2024-10-18_58913ed42db3b49614c21726b04e5a3e_cryptolocker.exe	87
PID 1868 wrote to memory of 1436	1868	2024-10-18_58913ed42db3b49614c21726b04e5a3e_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-10-18_58913ed42db3b49614c21726b04e5a3e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-18_58913ed42db3b49614c21726b04e5a3e_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- 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:1436

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
46KB

MD5
e84d6a2f8a9f0bf6d303f51629db0862

SHA1
465287ebe33950d0a3f87bdab84b529cdae17433

SHA256
ec0eaff0dc989556b82eaf678aafd6c97c830e516ebcd27d48470d836337680f

SHA512
32bc292337b8515b487c00e955d72dcaa03ffa188bbbff59b745c135e5e019e9adc35ee4ae4119d7379b842c336be49bd09131d4e643597f9cb80f0905efa556

Download Submit
memory/1436-19-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1436-25-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/1436-26-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1868-0-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download
memory/1868-1-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/1868-2-0x0000000002340000-0x0000000002346000-memory.dmp

Filesize
24KB

Download
memory/1868-3-0x0000000003140000-0x0000000003146000-memory.dmp

Filesize
24KB

Download
memory/1868-17-0x0000000008000000-0x000000000800D000-memory.dmp

Filesize
52KB

Download