dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c

Analysis

max time kernel
129s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-12-2024 17:40

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General

Target

dctooux.exe
Size

437KB
MD5

d317ee086ebeccf5e01e002ca6b0ead9
SHA1

48e8c5846d9c67649b3c2fb8d76aa951828dd84e
SHA256

dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c
SHA512

5fc335758f587e9f9f35309b101c16a4e2faa840013f8024f45eb33b9aa402a2877cbc07f76f389d25e2cf20607486997218de52c46364e2c89a5fa28a785032
SSDEEP

12288:fHxmm31uLFn23TURCwbH8SnBkKuJ+RctSaWrQz:/BuLFn2DUELSS7s

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	dctooux.exe

Executes dropped EXE 4 IoCs

pid	Process
4836	Dctooux.exe
3560	Dctooux.exe
4496	Dctooux.exe
4516	Dctooux.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Dctooux.job	dctooux.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	dctooux.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dctooux.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 4836	5016	dctooux.exe	83
PID 5016 wrote to memory of 4836	5016	dctooux.exe	83
PID 5016 wrote to memory of 4836	5016	dctooux.exe	83

C:\Users\Admin\AppData\Local\Temp\dctooux.exe
"C:\Users\Admin\AppData\Local\Temp\dctooux.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
  "C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4836

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:3560

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:4496

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:4516

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\045960512394

Filesize
79KB

MD5
9b55c313abf16e72ffe4803f736e662a

SHA1
8a8f6a71edffaa07678751bfa58c343d4b52d099

SHA256
90566c111864994aa7694128bc8219c8804cc9b67524c9c16645ea04226353a8

SHA512
6bbd76babe7ae7ffe043474d598a93e83813917749d31e53cbc3840ebc400e59439ec43cefc862de3c8ae9102c8e5eef081c04b8411148009dbc1d4cb5c7f8d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe

Filesize
437KB

MD5
d317ee086ebeccf5e01e002ca6b0ead9

SHA1
48e8c5846d9c67649b3c2fb8d76aa951828dd84e

SHA256
dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c

SHA512
5fc335758f587e9f9f35309b101c16a4e2faa840013f8024f45eb33b9aa402a2877cbc07f76f389d25e2cf20607486997218de52c46364e2c89a5fa28a785032

Download Submit
C:\Users\Admin\AppData\Roaming\bfbcc7a80c10a7\cred64.dll

Filesize
4KB

MD5
2cf5e1301e3747484b4a022f8a37851b

SHA1
4b5c2da315aad6f8cf6e098a104fb5e700ddc260

SHA256
993d6a9f26a99d78671b4e1fd72bb68aa20fb123325a69558959206a6eb2ba10

SHA512
723b8e868a07239a5ad31ccf6d520f06ede2dffdf6be7aef037788524b9df3b7b888b75b47242cade545a50570616693003d7b233f155189dedee3e3f8721c9f

Download Submit