lumma | b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 18:24

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General

Target

b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.exe
Size

1.7MB
MD5

5e623a18533de0f07068afe3613d7d19
SHA1

da1a60b4461f9301eea85f89d922e4d924f0495b
SHA256

b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d
SHA512

0f4a00f12b281292b055410e3718f313884a20b07280a069a7a86c7258581d149963bcae40f9b3acf8c3578a0a67cf8c38a804b022f461fde5894b64beacdb9f
SSDEEP

49152:GTA3a/FoU7VGfb7PM37w+3RWhuoj4BDiUoN6fFSM:GAaNoUZG2N3RWhuoEBDi9SFSM

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

https://p10tgrace.sbs/api

https://peepburry828.sbs/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__	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.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	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.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	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2128	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.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	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2128	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.exe
2128	b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.exe

C:\Users\Admin\AppData\Local\Temp\b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.exe
"C:\Users\Admin\AppData\Local\Temp\b5dd471a94999b239537b560539b1939291a95e56954639572ce25d98a58d59d.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:2128

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/2128-0-0x0000000000050000-0x00000000004D6000-memory.dmp

Filesize
4.5MB

Download
memory/2128-1-0x0000000077CF4000-0x0000000077CF6000-memory.dmp

Filesize
8KB

Download
memory/2128-2-0x0000000000051000-0x0000000000079000-memory.dmp

Filesize
160KB

Download
memory/2128-3-0x0000000000050000-0x00000000004D6000-memory.dmp

Filesize
4.5MB

Download
memory/2128-4-0x0000000000050000-0x00000000004D6000-memory.dmp

Filesize
4.5MB

Download
memory/2128-5-0x0000000000050000-0x00000000004D6000-memory.dmp

Filesize
4.5MB

Download