lumma | 4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2024, 02:29

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General

Target

4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe
Size

1.8MB
MD5

7bedbd23eb507525c917df5b16aa8438
SHA1

376344648b449ca04b31e8b49d9aa64c9b78ce5f
SHA256

4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b
SHA512

7220ca8fa5882a2146075f51b054436608ec3fb2ee8ca4367572c215aaebd804f272b0dbc71701d16251212c26fc2c64ac8f6ad76a0194485004043fb6a762d5
SSDEEP

49152:87jPJollKd0itOVZ3TLFU3cO52JAqKLWP0Uqn4fo1WuDJYdQEm:87jPARvO3HOAqSr3nV1lDJt

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://property-imper.sbs

Extracted

Family

lumma

https://blade-govern.sbs/api

https://story-tense-faz.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__	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.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	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Wine	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2360	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2596	2360	WerFault.exe	81
3700	2360	WerFault.exe	81

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	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2360	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe
2360	4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe

C:\Users\Admin\AppData\Local\Temp\4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.exe
"C:\Users\Admin\AppData\Local\Temp\4ef62b5c8cccef78b670efd98677abea3196fa2185964d3b49c82e4cb62f267b.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:2360
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1572
  2⤵
  - Program crash
  PID:2596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2360 -s 1572
  2⤵
  - Program crash
  PID:3700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2360 -ip 2360
1⤵
PID:1116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2360 -ip 2360
1⤵
PID:3256

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/2360-0-0x0000000000950000-0x0000000000DF2000-memory.dmp

Filesize
4.6MB

Download
memory/2360-1-0x0000000077864000-0x0000000077866000-memory.dmp

Filesize
8KB

Download
memory/2360-2-0x0000000000951000-0x0000000000977000-memory.dmp

Filesize
152KB

Download
memory/2360-3-0x0000000000950000-0x0000000000DF2000-memory.dmp

Filesize
4.6MB

Download
memory/2360-4-0x0000000000950000-0x0000000000DF2000-memory.dmp

Filesize
4.6MB

Download
memory/2360-5-0x0000000000950000-0x0000000000DF2000-memory.dmp

Filesize
4.6MB

Download