lumma | b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b

Analysis

max time kernel
148s
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 11:25

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General

Target

Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe
Size

2.8MB
MD5

fccb91d8f4ef18da22c21583c82c56c0
SHA1

8c102cc60221c9fc5d83b84c86f70f735d3e8214
SHA256

b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b
SHA512

703bf1106f7ad56a46d100aeaaf5fea60a80cbb9119abef872d0749fb30ff5c1aea4c0a05000fa5184c9a279822b6ffa82785cdb1c27fc6ca7515f5526ad43ac
SSDEEP

49152:At2oFOooQkx0AfUF72iyzi+jcNjSFl/aAVKbEcx2oJuQ:6FOooQkx0AfUF72iAD45SFlCAVKl2op

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

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 Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2720	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2720	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe
2720	Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_b98dde6aa8a1e509e9def76dbfc5da5518b52d0b23abbba5525fd7739b8e605b.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:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2720-0-0x0000000000AD0000-0x0000000000DD0000-memory.dmp

Filesize
3.0MB

Download
memory/2720-1-0x00000000773D4000-0x00000000773D6000-memory.dmp

Filesize
8KB

Download
memory/2720-2-0x0000000000AD1000-0x0000000000AF8000-memory.dmp

Filesize
156KB

Download
memory/2720-3-0x0000000000AD0000-0x0000000000DD0000-memory.dmp

Filesize
3.0MB

Download
memory/2720-4-0x0000000000AD0000-0x0000000000DD0000-memory.dmp

Filesize
3.0MB

Download
memory/2720-5-0x0000000000AD0000-0x0000000000DD0000-memory.dmp

Filesize
3.0MB

Download