Analysis
-
max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
13/09/2024, 19:18
Static task
static1
Behavioral task
behavioral1
Sample
1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe
Resource
win10v2004-20240802-en
General
-
Target
1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe
-
Size
39KB
-
MD5
57cbfee7a49ccf11c832e91a863bfd35
-
SHA1
c13d674b353a93250aa8f329ec6763dac7e1cc9d
-
SHA256
1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca
-
SHA512
fb06c7c54c8666d3807719178eb69537878a63327253e536547a2434dfefc0a88528fd0f5ce50459b4342ccfd6e62b65b10e38dac9049ec0883a90c8ad8144c4
-
SSDEEP
768:pdA4TOKjHXRrs9sINeZEtejlIkoLN127BFVn2p4lAnZ8tvCkA8SsBiaojlnk23lo:nA4TljXRrs9sINeZEtejlIkoLN127BFv
Malware Config
Signatures
-
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation 1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe Key value queried \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation update_Firefox.exe -
Executes dropped EXE 1 IoCs
pid Process 4804 update_Firefox.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language update_Firefox.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4144 wrote to memory of 4804 4144 1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe 84 PID 4144 wrote to memory of 4804 4144 1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe 84 PID 4144 wrote to memory of 4804 4144 1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe"C:\Users\Admin\AppData\Local\Temp\1a8c0bf1998f186b047f7026c4eece9c0f28e6f33bb7527b96f1be2ba97b1bca.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Users\Admin\AppData\Local\Temp\update_Firefox.exe"C:\Users\Admin\AppData\Local\Temp\update_Firefox.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4804
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
39KB
MD52eec69ab1bb03e61edf6bff4f2ca3ac7
SHA1da4dee9f55fb1eced12e86cf986834f1c9a95968
SHA25668f8bd62aa2e7392935f0b003f540647ddb66a2fa9184e0c23c4da0b16bce36d
SHA512844b7dc478d0c75f116e9c1692979e5ec894088ecb3f0284f0414aea8bb613b3961424d37ffec589782e4ff50ca21e99a981b60369483ac4cdfb6d0ad611488b