lumma | a4491e00f1dcc751ccfa5db015f3c4a11fce3ae70022ab4e4f2a5823ab90768d

General

Target
file.exe
Size 1.7MB
Sample241130-allsfsylbl
SHA256 a4491e00f1dcc751ccfa5db015f3c4a11fce3ae70022ab4e4f2a5823ab90768d
MD5 c5d83ef1e21e11cd26e7c51f405ff91a
SHA1 0fe14d87d23420cc7ff7a1dc79ac5ee408017479
SHA512 85d5e98aee9b603f395972a21145a44570c2f030e931d0bba89e712677e588bb309c408208bb13835f79d24f7c66fe438af9b53eb9dce78ad0c0b65d2edc370a
SSDEEP 49152:xSKxJSjW8FOWOmIOXKhO0k2qOShviSSRUvuNBcsOLMiV2:xSKejPOmIBO0kr32UvuN/eMiV
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

C2

https://impend-differ.biz/api
https://print-vexer.biz/api
https://dare-curbys.biz/api
https://covery-mover.biz/api
https://formy-spill.biz/api
https://dwell-exclaim.biz/api
https://zinc-sneark.biz/api
https://se-blurry.biz/api
https://atten-supporse.biz/api

Extracted

Family

lumma

C2

https://atten-supporse.biz/api
https://se-blurry.biz/api
https://zinc-sneark.biz/api
https://dwell-exclaim.biz/api
https://formy-spill.biz/api
https://covery-mover.biz/api
https://dare-curbys.biz/api
https://print-vexer.biz/api
https://impend-differ.biz/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__	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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4532	file.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
836	4532	WerFault.exe	82
4320	4532	WerFault.exe	82

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
4532	file.exe
4532	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:4532
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 1644
  2⤵
  - Program crash
  PID:836
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4532 -s 1664
  2⤵
  - Program crash
  PID:4320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4532 -ip 4532
1⤵
PID:4564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4532 -ip 4532
1⤵
PID:4764

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

memory/4532-0-0x0000000000960000-0x0000000000DEC000-memory.dmp

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memory/4532-1-0x0000000077E14000-0x0000000077E16000-memory.dmp

Download

memory/4532-2-0x0000000000961000-0x0000000000987000-memory.dmp

Download

memory/4532-3-0x0000000000960000-0x0000000000DEC000-memory.dmp

Download

memory/4532-4-0x0000000000960000-0x0000000000DEC000-memory.dmp

Download

memory/4532-5-0x0000000000960000-0x0000000000DEC000-memory.dmp

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memory/4532-6-0x0000000000960000-0x0000000000DEC000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads