lumma | ba77d65b3ebd95ffab7cc02f4f82dabad6255ee2d2c80ed43242e49dae743d44

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 22:13

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General

Target
file.exe
Size 2.8MB
Sample241018-14259stalk
SHA256 ba77d65b3ebd95ffab7cc02f4f82dabad6255ee2d2c80ed43242e49dae743d44
MD5 25d3a292cc77c47f1cd83cf6d36b6a3d
SHA1 460f6e64c70c056a77d29089816a12c51e16fe60
SHA512 a4e6a92d79799278c406de3697fe960919b94a4af8322fdb87c7e5ea5b9a507ed1f5193fd7426acce24fa75c7a42a051a4b8d7bfe16de9e2c8ccacd17bda2104
SSDEEP 24576:6anFwM6HdQYCxVgENKdoGkYyOEv+yuxiLovbsqTNJLj6h3juICqFrC2z2pGEKXKv:56HdTrdWYw+NvqSErRz2AVFR4xOKiC
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma discovery evasion stealer

Malware Config

Extracted

Family

lumma

https://clearancek.site
https://licendfilteo.site
https://spirittunek.store
https://bathdoomgaz.store
https://studennotediw.store
https://dissapoiznw.store
https://eaglepawnoy.store
https://mobbipenju.store

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-1-5-21-940901362-3608833189-1915618603-1000\Software\Wine	file.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
5088	file.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2108	5088	WerFault.exe	83
1404	5088	WerFault.exe	83

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
5088	file.exe
5088	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:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 1484
  2⤵
  - Program crash
  PID:2108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 1512
  2⤵
  - Program crash
  PID:1404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5088 -ip 5088
1⤵
PID:2824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 5088 -ip 5088
1⤵
PID:1184

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 5088 -ip 5088
1⤵
PID:2400

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/5088-0-0x0000000000C50000-0x0000000000F5B000-memory.dmp

Download

memory/5088-1-0x0000000077164000-0x0000000077166000-memory.dmp

Download

memory/5088-2-0x0000000000C51000-0x0000000000C77000-memory.dmp

Download

memory/5088-4-0x0000000000C50000-0x0000000000F5B000-memory.dmp

Download

memory/5088-3-0x0000000000C50000-0x0000000000F5B000-memory.dmp

Download

memory/5088-5-0x0000000000C50000-0x0000000000F5B000-memory.dmp

Download

memory/5088-7-0x0000000000C50000-0x0000000000F5B000-memory.dmp

Download