7a6f89790e2b7cdfafac0f58f8f25901bf9e6b4d8a75bc8e8b8b2fde520a7817

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 03:33

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General

Target

2024-10-13_481d1987de30d3983499d977431da9fd_cryptolocker.exe
Size

41KB
MD5

481d1987de30d3983499d977431da9fd
SHA1

7686ffdc434900c4573afc75687529d65a42725d
SHA256

7a6f89790e2b7cdfafac0f58f8f25901bf9e6b4d8a75bc8e8b8b2fde520a7817
SHA512

0b6937c14592fec5d24d28b077a7ede54dd3c526dd62b05f2626c8e7371f9cdb0a01371c76eaf6e9f9e79f6801988f59c6a6ac8a852c3544ebd1916a484b45e9
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3HwnCRW:bA6YcA/X6G0W143QL

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2024-10-13_481d1987de30d3983499d977431da9fd_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2324	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	2024-10-13_481d1987de30d3983499d977431da9fd_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 5080 wrote to memory of 2324	5080	2024-10-13_481d1987de30d3983499d977431da9fd_cryptolocker.exe	86
PID 5080 wrote to memory of 2324	5080	2024-10-13_481d1987de30d3983499d977431da9fd_cryptolocker.exe	86
PID 5080 wrote to memory of 2324	5080	2024-10-13_481d1987de30d3983499d977431da9fd_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-13_481d1987de30d3983499d977431da9fd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-13_481d1987de30d3983499d977431da9fd_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5080
- 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:2324

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
41KB

MD5
c3f52de651b112e6adb80809293e17fd

SHA1
ce5f01c3761475f9a7f6f50782f7ad2200a6306e

SHA256
449e7d073f913260fae41c2298ee9493bb1fa5d7520e7fdec3864d71cf660fc4

SHA512
f3cf77a364102363a0bfaff16b6f1501eb491d86b0944f9468dc85a2b666e4f587ebc51e4985d024cfe1e3d87ef9f4322d0461449990fcff7acc0b8d226b1447

Download Submit
memory/2324-17-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/2324-23-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/5080-0-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/5080-1-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/5080-2-0x0000000002250000-0x0000000002256000-memory.dmp

Filesize
24KB

Download