lumma | 1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253

Analysis

max time kernel
135s
max time network
139s
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 08:45

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General

Target

Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.exe
Size

1.7MB
MD5

e58e6e26d4ff748bd8e7f718372f8351
SHA1

5ec62018f2c5e2f7b91be03fa1c022ad3368cab8
SHA256

1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253
SHA512

f098d80f905726d009755079106940a9eb55c8ff824c3fc4770c11f4cc86be0d1b77fd2a857eab15e9791f29a86ffd7b3d7fdebf9d5a84c7ef9e117f6c690abe
SSDEEP

49152:SrOGXYh1FPrUyF6pQ5kHQVxEPjoSLq9gjb9jrXLr:LGXmXrUukHQVu8t9gP9jr7

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_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.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\SystemBiosVersion	Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3212	Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.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_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3212	Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.exe
3212	Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_1b7cdc9c01de521674db6bc4f5ef66d4666d084cf197b8adec56bc431992c253.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:3212

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

Replay Monitor

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Downloads

memory/3212-0-0x0000000000660000-0x0000000000ADE000-memory.dmp

Filesize
4.5MB

Download
memory/3212-1-0x0000000077794000-0x0000000077796000-memory.dmp

Filesize
8KB

Download
memory/3212-2-0x0000000000661000-0x0000000000688000-memory.dmp

Filesize
156KB

Download
memory/3212-3-0x0000000000660000-0x0000000000ADE000-memory.dmp

Filesize
4.5MB

Download
memory/3212-4-0x0000000000660000-0x0000000000ADE000-memory.dmp

Filesize
4.5MB

Download
memory/3212-6-0x0000000000660000-0x0000000000ADE000-memory.dmp

Filesize
4.5MB

Download