Overview
overview
10Static
static
3quarantine...zX.exe
windows7-x64
10quarantine...zX.exe
windows10-2004-x64
10quarantine...LN.exe
windows7-x64
1quarantine...LN.exe
windows10-2004-x64
10quarantine...xj.exe
windows7-x64
10quarantine...xj.exe
windows10-2004-x64
10quarantine...uj.exe
windows7-x64
3quarantine...uj.exe
windows10-2004-x64
3quarantine...9F.exe
windows7-x64
8quarantine...9F.exe
windows10-2004-x64
8quarantine...LB.exe
windows7-x64
10quarantine...LB.exe
windows10-2004-x64
10quarantine...ty.exe
windows7-x64
10quarantine...ty.exe
windows10-2004-x64
10quarantine...Qw.exe
windows7-x64
3quarantine...Qw.exe
windows10-2004-x64
7quarantine...ff.exe
windows7-x64
10quarantine...ff.exe
windows10-2004-x64
10quarantine...nc.exe
windows7-x64
9quarantine...nc.exe
windows10-2004-x64
9quarantine...Ws.exe
windows7-x64
7quarantine...Ws.exe
windows10-2004-x64
7Analysis
-
max time kernel
141s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20250217-en -
resource tags
arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system -
submitted
04/03/2025, 00:44
Static task
static1
Behavioral task
behavioral1
Sample
quarantine/7UlMpzX.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
quarantine/7UlMpzX.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral3
Sample
quarantine/BXxKvLN.exe
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
quarantine/BXxKvLN.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral5
Sample
quarantine/JCFx2xj.exe
Resource
win7-20241023-en
Behavioral task
behavioral6
Sample
quarantine/JCFx2xj.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral7
Sample
quarantine/UBiTCuj.exe
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
quarantine/UBiTCuj.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral9
Sample
quarantine/bPDDW9F.exe
Resource
win7-20250207-en
Behavioral task
behavioral10
Sample
quarantine/bPDDW9F.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral11
Sample
quarantine/d0HNrLB.exe
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
quarantine/d0HNrLB.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral13
Sample
quarantine/infinity.exe
Resource
win7-20241010-en
Behavioral task
behavioral14
Sample
quarantine/infinity.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral15
Sample
quarantine/khykuQw.exe
Resource
win7-20241010-en
Behavioral task
behavioral16
Sample
quarantine/khykuQw.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral17
Sample
quarantine/soudneff.exe
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
quarantine/soudneff.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral19
Sample
quarantine/v6Oqdnc.exe
Resource
win7-20241023-en
Behavioral task
behavioral20
Sample
quarantine/v6Oqdnc.exe
Resource
win10v2004-20250217-en
Behavioral task
behavioral21
Sample
quarantine/zY9sqWs.exe
Resource
win7-20240903-en
General
-
Target
quarantine/soudneff.exe
-
Size
1.7MB
-
MD5
efac52cc9304919d4f9e49c56bdbd484
-
SHA1
68e90fd0a473ba822bb4f708d718afcbbd660850
-
SHA256
e903bd6ec4817fca7a718b770d6d6a509c7e522cbebb41bd26e48bfe009d0510
-
SHA512
9185437c21c56772d3dd7172269b3569380b518e78c8cb9dcf947968476d4d79beb2aeb31da66d3736a2a0f3be88d3caf86d9ba79c59608aaca196c409466ada
-
SSDEEP
49152:dWiPyNzLHax6WxKPQx1GyGe4/xU7VNT1xMJ1NxjnW8EtV:dhGW4OOCbhGQ
Malware Config
Extracted
systembc
towerbingobongoboom.com
213.209.150.137
Signatures
-
Systembc family
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ soudneff.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ tuwct.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion soudneff.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion soudneff.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion tuwct.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion tuwct.exe -
Executes dropped EXE 1 IoCs
pid Process 4568 tuwct.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\Software\Wine soudneff.exe Key opened \REGISTRY\USER\S-1-5-21-100612193-3312047696-905266872-1000\Software\Wine tuwct.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3212 soudneff.exe 4568 tuwct.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\Test Task17.job soudneff.exe -
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 soudneff.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language tuwct.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 3212 soudneff.exe 3212 soudneff.exe 4568 tuwct.exe 4568 tuwct.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\quarantine\soudneff.exe"C:\Users\Admin\AppData\Local\Temp\quarantine\soudneff.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3212
-
C:\ProgramData\solax\tuwct.exeC:\ProgramData\solax\tuwct.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.7MB
MD5efac52cc9304919d4f9e49c56bdbd484
SHA168e90fd0a473ba822bb4f708d718afcbbd660850
SHA256e903bd6ec4817fca7a718b770d6d6a509c7e522cbebb41bd26e48bfe009d0510
SHA5129185437c21c56772d3dd7172269b3569380b518e78c8cb9dcf947968476d4d79beb2aeb31da66d3736a2a0f3be88d3caf86d9ba79c59608aaca196c409466ada
-
Filesize
234B
MD5a02f4af5d3ed84a4781645feb7569069
SHA14ee8a79ee65a554378093162b261391b63731e17
SHA256256175e76f243996362a4e5481e3b5d2a6b75a17f1970d158d37ccdaaaa283ea
SHA512a0650a0bd4493748d066c668f15c958bcdeb778ed0a4945fc24ec439e7a06808c1115c075a80b66865d43180e1313811e6d7dac8cbb43bf1e0c18aa69b49fcf4