Overview
overview
7Static
static
3f_007924.exe
windows7-x64
3f_007924.exe
windows10-2004-x64
3EUPL-EN.pdf
windows7-x64
1EUPL-EN.pdf
windows10-2004-x64
1tftpd32.chm
windows7-x64
1tftpd32.chm
windows10-2004-x64
1tftpd32.exe
windows7-x64
1tftpd32.exe
windows10-2004-x64
1uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7Analysis
-
max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-de -
resource tags
arch:x64arch:x86image:win10v2004-20240412-delocale:de-deos:windows10-2004-x64systemwindows -
submitted
15-04-2024 06:33
Static task
static1
Behavioral task
behavioral1
Sample
f_007924.exe
Resource
win7-20240221-de
Behavioral task
behavioral2
Sample
f_007924.exe
Resource
win10v2004-20240226-de
Behavioral task
behavioral3
Sample
EUPL-EN.pdf
Resource
win7-20240221-de
Behavioral task
behavioral4
Sample
EUPL-EN.pdf
Resource
win10v2004-20240412-de
Behavioral task
behavioral5
Sample
tftpd32.chm
Resource
win7-20240221-de
Behavioral task
behavioral6
Sample
tftpd32.chm
Resource
win10v2004-20240412-de
Behavioral task
behavioral7
Sample
tftpd32.exe
Resource
win7-20240221-de
Behavioral task
behavioral8
Sample
tftpd32.exe
Resource
win10v2004-20240226-de
Behavioral task
behavioral9
Sample
uninstall.exe
Resource
win7-20240215-de
Behavioral task
behavioral10
Sample
uninstall.exe
Resource
win10v2004-20240412-de
General
-
Target
uninstall.exe
-
Size
37KB
-
MD5
81982be80dec4e8462ef03fd5e44f406
-
SHA1
d0b550818fdd94f91d02adf7c03b7e3ce915d525
-
SHA256
181a386ba1b874c4f2779a27181332374f640a89333c88e70309b829324db07c
-
SHA512
8a13949831c601598431d3b8bd903a1767d90368b905fab01f30dcb3d2381ff1a930ae341a61fc94376a9f597efdb7da274c65f63ec069ac29baa89a17d5893b
-
SSDEEP
768:FaKoIAEPaXHQe5cDOnLT6OSKQGg1qtOqGVfmMk0D3/jIp3KlcEJRnYlCYbAo:UKJAES3bS2L6KbuVfmMk0DCwctlCWX
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
Au_.exepid process 2364 Au_.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
NSIS installer 2 IoCs
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe nsis_installer_1 C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe nsis_installer_2 -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
uninstall.exedescription pid process target process PID 5088 wrote to memory of 2364 5088 uninstall.exe Au_.exe PID 5088 wrote to memory of 2364 5088 uninstall.exe Au_.exe PID 5088 wrote to memory of 2364 5088 uninstall.exe Au_.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\uninstall.exe"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:5088 -
C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\2⤵
- Executes dropped EXE
PID:2364
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
37KB
MD581982be80dec4e8462ef03fd5e44f406
SHA1d0b550818fdd94f91d02adf7c03b7e3ce915d525
SHA256181a386ba1b874c4f2779a27181332374f640a89333c88e70309b829324db07c
SHA5128a13949831c601598431d3b8bd903a1767d90368b905fab01f30dcb3d2381ff1a930ae341a61fc94376a9f597efdb7da274c65f63ec069ac29baa89a17d5893b