lumma | 4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/01/2025, 16:33

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General

Target

4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.exe
Size

1.8MB
MD5

1d40726e94eb12d200dd3fe49f15aec0
SHA1

619d990acda726463c15b168337c192f7d69a297
SHA256

4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760
SHA512

207cdd6b3dbd9072a5fa64ddee898fa745316ce4f175557a6b9d3cb3f82d03e23cc79760d1d83eeb9f27065e937d5d110c2b4b93497dc3119ed0b44f184f6489
SSDEEP

24576:NpMWDhpLCcEoRDV/oRgHkORYTbdnOlhSRtREPPAYAOKqZ5Kymq5QRoTAN8pM/KUw:NmWeax/gg3oUTSREXKqiym+QfPkvZ

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

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__	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.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	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2140	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.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	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2140	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.exe
2140	4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.exe

C:\Users\Admin\AppData\Local\Temp\4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.exe
"C:\Users\Admin\AppData\Local\Temp\4bcf10ec2eeadcd2cf2e90d4f0f12d881288371002b0e8ba9ba77ab0a19b2760N.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:2140

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/2140-0-0x0000000000FC0000-0x0000000001459000-memory.dmp

Filesize
4.6MB

Download
memory/2140-1-0x00000000776E4000-0x00000000776E6000-memory.dmp

Filesize
8KB

Download
memory/2140-2-0x0000000000FC1000-0x0000000000FE8000-memory.dmp

Filesize
156KB

Download
memory/2140-3-0x0000000000FC0000-0x0000000001459000-memory.dmp

Filesize
4.6MB

Download
memory/2140-4-0x0000000000FC0000-0x0000000001459000-memory.dmp

Filesize
4.6MB

Download