28daecd1445ed2b967d9d836b31ac8bf9da133ceba51aabd3309543de0108270

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 01:33

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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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe

Executes dropped EXE 3 IoCs

pid	Process
3632	Dctooux.exe
1512	Dctooux.exe
3892	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
2808	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 3632	2808	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe	83
PID 2808 wrote to memory of 3632	2808	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe	83
PID 2808 wrote to memory of 3632	2808	dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c.exe	83

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:2808
- 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:3632

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:1512

C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
C:\Users\Admin\AppData\Local\Temp\431a343abc\Dctooux.exe
1⤵
- Executes dropped EXE
PID:3892

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\431a343abc\Dctooux.exe

Filesize
437KB

MD5
d317ee086ebeccf5e01e002ca6b0ead9

SHA1
48e8c5846d9c67649b3c2fb8d76aa951828dd84e

SHA256
dfdc0318f3dc5ba3f960b1f338b638cd9645856d2a2af8aa33ea0f9979a9ca4c

SHA512
5fc335758f587e9f9f35309b101c16a4e2faa840013f8024f45eb33b9aa402a2877cbc07f76f389d25e2cf20607486997218de52c46364e2c89a5fa28a785032

Download Submit
C:\Users\Admin\AppData\Local\Temp\932230532004

Filesize
72KB

MD5
55824935fa19a8776152b0cadacb1078

SHA1
0d207f87918aae70efc7b079e796ff44cf514652

SHA256
256b405a768dc1b31ce220267c5e102c16a40d7643a8f6ddb72fd837bc4394c2

SHA512
08415dcb5cefdbdbc05c47ac62251bc1ade823b3126dc162eb681cbb129841379d778878c357c4dbdae4569ccf1dc4cceda41d84486cd1b1e79cf65aba27e61a

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

Filesize
4KB

MD5
05995981dce154074b1a4294c8fa3da8

SHA1
51718d489ec740b9ab0d7f8d885848f8dd519f85

SHA256
d8179b741b61fe88ec43ba282401ee7ade1535263ffee2f0f529b5c49a1a042d

SHA512
84448ec12469dd5e186f56f715ace2f792986e0de54235cfec6bf5aa747f068ca3d2228d6f7e3388d60ca7ab2d16c6bac8450ea083ca8b88b898a5606fcc6458

Download Submit