dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c

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
12-12-2024 02:50

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General

Target

dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe

Executes dropped EXE 4 IoCs

pid	Process
4940	Dctooux.exe
3204	Dctooux.exe
4588	Dctooux.exe
1336	Dctooux.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Dctooux.job	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.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	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dctooux.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4768	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 4940	4768	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe	82
PID 4768 wrote to memory of 4940	4768	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe	82
PID 4768 wrote to memory of 4940	4768	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe	82

C:\Users\Admin\AppData\Local\Temp\dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe
"C:\Users\Admin\AppData\Local\Temp\dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4768
- 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:4940

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:3204

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:4588

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:1336

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\431a343abc\Dctooux.exe

Filesize
437KB

MD5
d317ee086ebeccf5e01e002ca6b0ead9

SHA1
48e8c5846d9c67649b3c2fb8d76aa951828dd84e

SHA256
dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c

SHA512
5fc335758f587e9f9f35309b101c16a4e2faa840013f8024f45eb33b9aa402a2877cbc07f76f389d25e2cf20607486997218de52c46364e2c89a5fa28a785032

Download Submit
C:\Users\Admin\AppData\Local\Temp\756129449312

Filesize
79KB

MD5
9df88fb42765e06960390b0eecddf296

SHA1
6eb8362f613fc4ea354d516677ef46c225dbc1e4

SHA256
07029ecbdbe739462b14da4af6e30fb213f613d06067d1450eb0de17d09aa55f

SHA512
2be63ff24411dd2ad8b5dbf69724dd4f6d9d40a866cc03e98dc686b52f644dd6e4ca3ba4086d5275615f8eec5bf3ccc326a680ee12b7eb04d1d751d40391cc29

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

Filesize
4KB

MD5
6036106fe4b9d5c753ac7f48588aac05

SHA1
c9c5b345da5d4560f3ddce20d2e0c185c0e5aea6

SHA256
31dd5435cb1429fc1afbabd0c8eca98c695d1b8afc4a54a3df273ed6c9863da4

SHA512
073f8c8264fe08e9485f9fd70c28ba67881c50ca54c29778e33a84f3575b823c30226919e94a165951a8edbb2f787c1a7334a3e27170a8996e19ecc450cebafb

Download Submit