Analysis
-
max time kernel
93s -
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
05-01-2025 10:01
Static task
static1
Behavioral task
behavioral1
Sample
Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe
Resource
win7-20240708-en
General
-
Target
Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe
-
Size
2.8MB
-
MD5
3d433b38ddd7681112b41ac5d55e0e50
-
SHA1
b6e2898e0bfe4dd14c1aaf35408436baea062815
-
SHA256
39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be
-
SHA512
dd3c8512d745bae07da4075e6871a4136c69a6fb95ca3be5e3c81e13e311f15086cebc3e992043d7bea171066f71adaa3218fed6d7b1221305d613b65310ef5c
-
SSDEEP
49152:jlyQnLvsMFBXjtElACNNQbcjLjkzy+YALjSTxbnyhRXHEOmDbLWme98nJv:vLv1zTtEtH39SRUlLWmB
Malware Config
Extracted
lumma
https://hummskitnj.buzz/api
https://cashfuzysao.buzz/api
https://appliacnesot.buzz/api
https://screwamusresz.buzz/api
https://inherineau.buzz/api
https://scentniej.buzz/api
https://rebuildeso.buzz/api
https://prisonyfork.buzz/api
https://mindhandru.buzz/api
Signatures
-
Lumma family
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe -
Identifies Wine through registry keys 2 TTPs 1 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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2696 Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 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 Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2696 Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe 2696 Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.exe"C:\Users\Admin\AppData\Local\Temp\Sigmanly_39cf6f9ee572a1b88a008fee671033e8f12e9fd3acae3bcc8d396ccef4d8b5be.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2696