82efcc9b3e70920323ff9e485f415fc44ab0e7f38170793ece786cfd6d67e07c

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/10/2024, 20:47

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General

Target

2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe
Size

37KB
MD5

bba9dac55f76c31cca66a4e8beab565b
SHA1

673626bbb184dba5bd1cf72d5b50f2c646ae453d
SHA256

82efcc9b3e70920323ff9e485f415fc44ab0e7f38170793ece786cfd6d67e07c
SHA512

21e87e25d82badebf8eef5f687c7aea25e892413dfca7e44bc1bfe825522e58f1dd46834f07615cc0f66e3f85fc522ee463a14c41001393e9b4d8b676ad16232
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLen7CDl:ZzFbxmLPWQMOtEvwDpjLeWh

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
4360	misid.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	2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 4360	4860	2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe	86
PID 4860 wrote to memory of 4360	4860	2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe	86
PID 4860 wrote to memory of 4360	4860	2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-17_bba9dac55f76c31cca66a4e8beab565b_cryptolocker.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4360

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\misid.exe

Filesize
37KB

MD5
b0a6ebe48433d73eadc95db1743e3801

SHA1
d67f94704286e6f7d9ad6be3007f0b27919f0587

SHA256
1bf33ccb8ecc6d4f95e61d167595eb3797a473f8f8a4980532bec09de1e43149

SHA512
58efdfa828fb9b9e278bf11ed404f7dde75bf915260e4a14562553c1d15f7299b77d94189931c0845291890186ed6464dcc1ef16b166353ac5ab705a792cc696

Download Submit
C:\Users\Admin\AppData\Local\Temp\misids.exe

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/4360-19-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/4360-20-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/4860-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download
memory/4860-1-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4860-2-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/4860-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/4860-16-0x00000000004E0000-0x00000000004E3000-memory.dmp

Filesize
12KB

Download