f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc

Analysis

max time kernel
140s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 04:35

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General

Target

f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe
Size

26KB
MD5

79c8840990c145eeb801dfb0f1581bf5
SHA1

1929ba53979662d20a655aa4a99c14eb9c872f3b
SHA256

f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc
SHA512

a2f3dacf21dc7a9f5bc341db5d705ff77a703b38c3e74468ff1201198ad78151097cc0cdff0048a09afac8abc7d593c685b686291b6a30d47e1826b197b30404
SSDEEP

384:F3EqGY2HXgrS40Lol5ZLzH4VhvshYpATUgch1A9NB/erxUkcf:F3EqG5H8PuoljH4vEhkgs1lxUf

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe

Executes dropped EXE 1 IoCs

pid	Process
2588	winupdate.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	f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2588	2636	f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe	84
PID 2636 wrote to memory of 2588	2636	f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe	84
PID 2636 wrote to memory of 2588	2636	f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe	84

C:\Users\Admin\AppData\Local\Temp\f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe
"C:\Users\Admin\AppData\Local\Temp\f9134d3715376f5e6dd3dfafe5edc03c99a169e9acb5e6dc6977606f8d085fbc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Users\Admin\AppData\Local\Temp\winupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\winupdate.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2588

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\winupdate.exe

Filesize
26KB

MD5
22737e2e0c3296556e7ce523a2f79f56

SHA1
7a05d1825671519c9e818fd1833bfcc37ca72abe

SHA256
2dcda41a8cd048c196047101a2d33579a6b72c3c6b3a0d710f4cb47a1f587960

SHA512
a5035bfbd31f61a32134a3bfeadc884fab3f91ee99fe89815770f7cbbbd5df2bddb1efee9feb8eb33d7247f0c9d772d9290080ee49a4440c30488b9f817cf737

Download Submit
memory/2588-12-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download
memory/2588-13-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download
memory/2636-0-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download
memory/2636-1-0x000000000050D000-0x000000000050E000-memory.dmp

Filesize
4KB

Download
memory/2636-2-0x0000000000500000-0x0000000000511000-memory.dmp

Filesize
68KB

Download