c5ce6422ab4df2f9af17e306f0f895711b9108560f83280768113702de05b1ff

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-12-2024 01:13

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General

Target

2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe
Size

429KB
MD5

51ff79b406cb223dd49dd4c947ec97b0
SHA1

b9b0253480a1b6cbdd673383320fecae5efb3dce
SHA256

2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e
SHA512

c2b8d15b0dc1b0846f39ce007be2deb41d5b6ae76af90d618f29da8691ed987c42f3c270f0ea7f4d10cbd2d3877118f4133803c9c965b6ff236ff8cfafd9367c
SSDEEP

12288:v4RG6lx/9Njr18QlSfJy4FjMSkJCzDLGDWD:O9NtSTZMzmmD4

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe

Executes dropped EXE 3 IoCs

pid	Process
4564	Gxtuum.exe
3232	Gxtuum.exe
2368	Gxtuum.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Gxtuum.job	2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.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	2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gxtuum.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2420	2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 4564	2420	2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe	83
PID 2420 wrote to memory of 4564	2420	2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe	83
PID 2420 wrote to memory of 4564	2420	2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe	83

C:\Users\Admin\AppData\Local\Temp\2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.exe
"C:\Users\Admin\AppData\Local\Temp\2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e.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:2420
- C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe
  "C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4564

C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe
C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe
1⤵
- Executes dropped EXE
PID:3232

C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe
C:\Users\Admin\AppData\Local\Temp\e458d263c0\Gxtuum.exe
1⤵
- Executes dropped EXE
PID:2368

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\e458d263c0\Gxtuum.exe

Filesize
429KB

MD5
51ff79b406cb223dd49dd4c947ec97b0

SHA1
b9b0253480a1b6cbdd673383320fecae5efb3dce

SHA256
2e3a5dfa44d59681a60d78b8b08a1af3878d8e270c02d7e31a0876a85eb42a7e

SHA512
c2b8d15b0dc1b0846f39ce007be2deb41d5b6ae76af90d618f29da8691ed987c42f3c270f0ea7f4d10cbd2d3877118f4133803c9c965b6ff236ff8cfafd9367c

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