lumma | 9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1

General

Target

Sigmanly_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.exe
Size

2.8MB
MD5

21707cd3b6dddc2414d474fb4e867a09
SHA1

631f4576c8781fd3811a3d090359508c064b4369
SHA256

9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1
SHA512

172e8ad048f45de180b494221c2850dcc063894b621256af2b7b2239d8f1d68fe5ba7cd7e51f9f42c0b40ca50cba91a57ec7ffed9e78f64fe9142ad18a8a969f
SSDEEP

49152:6T9P+asnVhFj2crMUPhEtR9w6SMM43h/XSl:6TQasnVhFj2+phUR9w6SMb3h

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

C2

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_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.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_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Sigmanly_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Wine	Sigmanly_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1632	Sigmanly_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.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_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1632	Sigmanly_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_9505a5fbc4cf4f2d4b7a308621fd3ab36685ec654b61b78942f5db428ddff2e1.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:1632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab27CE.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar27F0.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1632-0-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download
memory/1632-1-0x0000000077CA0000-0x0000000077CA2000-memory.dmp

Filesize
8KB

Download
memory/1632-2-0x0000000001001000-0x0000000001028000-memory.dmp

Filesize
156KB

Download
memory/1632-4-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download
memory/1632-3-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download
memory/1632-5-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download
memory/1632-6-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download
memory/1632-7-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download
memory/1632-8-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download
memory/1632-43-0x0000000001000000-0x0000000001302000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads