lumma | b31d1eeca6add1dc5da3ba79352803a1fa2af6e3e80fed8ecce39f3228ecf407

Analysis

max time kernel
92s
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
09/10/2024, 02:55

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General

Target

file.exe
Size

1.8MB
MD5

91472b6d853ed53fd8bb000ecfdc29bc
SHA1

6563f8a1edf23c8bbd8ef49e4b931685cc938965
SHA256

b31d1eeca6add1dc5da3ba79352803a1fa2af6e3e80fed8ecce39f3228ecf407
SHA512

dbe59727d30caafe4b822e9e755604f64910c1a08abb576ac669f365e6911b859d513b8ee568f3c7047ae362d7dbc7b63e40ef5c5604a4784eef8964e36d9060
SSDEEP

49152:8S62ESr8tcSRGRu4jF0y1qgQEJbFc1Aq8he:o2h4545x1jQEbkAx

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

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__	file.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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.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-1-5-21-3756129449-3121373848-4276368241-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
3476	file.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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3476	file.exe
3476	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.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:3476

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/3476-0-0x0000000000560000-0x0000000000A21000-memory.dmp

Filesize
4.8MB

Download
memory/3476-1-0x0000000077D24000-0x0000000077D26000-memory.dmp

Filesize
8KB

Download
memory/3476-2-0x0000000000561000-0x0000000000587000-memory.dmp

Filesize
152KB

Download
memory/3476-3-0x0000000000560000-0x0000000000A21000-memory.dmp

Filesize
4.8MB

Download
memory/3476-4-0x0000000000560000-0x0000000000A21000-memory.dmp

Filesize
4.8MB

Download
memory/3476-5-0x0000000000560000-0x0000000000A21000-memory.dmp

Filesize
4.8MB

Download