lumma | 37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17/12/2024, 02:28

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General

Target

37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
Size

1.8MB
MD5

f9694cb15c258cf8125cf0c317c77479
SHA1

ad7ab004164e247a32fb8eb4187103a1eaf73657
SHA256

37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b
SHA512

41504ae13f21e126508b91cdacc3d993790b7ce6001a0d58353860ad4eccb76858f553f4dd49d1960fae09a777160493932c0bb9acebd3bad3aae6e0dc2e2351
SSDEEP

49152:QfiXfPvlOJ1kUi0pzJZ8AMSdBtxh5WBAB6lce:Q+MJ5Zc4vWGB6+e

Score

10^/10

lumma stealc stok discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

lumma

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

https://tacitglibbr.biz/api

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Extracted

Family

lumma

https://tacitglibbr.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

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	5XGG4403KAKAV2DZ17A0M.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	5XGG4403KAKAV2DZ17A0M.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	5XGG4403KAKAV2DZ17A0M.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	5XGG4403KAKAV2DZ17A0M.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	5XGG4403KAKAV2DZ17A0M.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	5XGG4403KAKAV2DZ17A0M.exe

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	JJ3RAJW0B328OHHHF.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	5XGG4403KAKAV2DZ17A0M.exe

Downloads MZ/PE file

Checks BIOS information in registry 2 TTPs 6 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	5XGG4403KAKAV2DZ17A0M.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5XGG4403KAKAV2DZ17A0M.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JJ3RAJW0B328OHHHF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JJ3RAJW0B328OHHHF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe

Executes dropped EXE 2 IoCs

pid	Process
2820	5XGG4403KAKAV2DZ17A0M.exe
2596	JJ3RAJW0B328OHHHF.exe

Identifies Wine through registry keys 2 TTPs 3 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-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	5XGG4403KAKAV2DZ17A0M.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Wine	JJ3RAJW0B328OHHHF.exe

Loads dropped DLL 3 IoCs

pid	Process
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	5XGG4403KAKAV2DZ17A0M.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	5XGG4403KAKAV2DZ17A0M.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2820	5XGG4403KAKAV2DZ17A0M.exe
2596	JJ3RAJW0B328OHHHF.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 3 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	JJ3RAJW0B328OHHHF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5XGG4403KAKAV2DZ17A0M.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
2820	5XGG4403KAKAV2DZ17A0M.exe
2596	JJ3RAJW0B328OHHHF.exe
2820	5XGG4403KAKAV2DZ17A0M.exe
2820	5XGG4403KAKAV2DZ17A0M.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	5XGG4403KAKAV2DZ17A0M.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2820	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	31
PID 2376 wrote to memory of 2820	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	31
PID 2376 wrote to memory of 2820	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	31
PID 2376 wrote to memory of 2820	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	31
PID 2376 wrote to memory of 2596	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	32
PID 2376 wrote to memory of 2596	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	32
PID 2376 wrote to memory of 2596	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	32
PID 2376 wrote to memory of 2596	2376	37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe	32

C:\Users\Admin\AppData\Local\Temp\37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe
"C:\Users\Admin\AppData\Local\Temp\37aafa95a96bdc9144593c820466f3f063cd0e9fb3c6d2bcfab4c1bf0b61e51b.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\5XGG4403KAKAV2DZ17A0M.exe
  "C:\Users\Admin\AppData\Local\Temp\5XGG4403KAKAV2DZ17A0M.exe"
  2⤵
  - Modifies Windows Defender Real-time Protection settings
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Windows security modification
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2820
- C:\Users\Admin\AppData\Local\Temp\JJ3RAJW0B328OHHHF.exe
  "C:\Users\Admin\AppData\Local\Temp\JJ3RAJW0B328OHHHF.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Executes dropped EXE
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\5XGG4403KAKAV2DZ17A0M.exe

Filesize
1.6MB

MD5
a78f80e6511f7c2763128897866f9c9d

SHA1
dfce44230a08bf7bc983dbca64d0630cbc6ff9ca

SHA256
6066b498bce43d72cdc0a3a3850001653a74fb3c5d5b92377e9f2798e6e15257

SHA512
bbcfc834836306282d85831d5192ba09f8db55d94e2b7f167971b0530d156626b1c6f7c90c1a4dc2863870ed9064a18987b22f6b23f737f6575e5a1f7a34e7e6

Download Submit
\Users\Admin\AppData\Local\Temp\JJ3RAJW0B328OHHHF.exe

Filesize
2.7MB

MD5
1eb268dfe52d4541037838207c51d19f

SHA1
35264d064730fa9d7d4b53183a5fb9e97912a8a7

SHA256
bfa216d2edc6a8b5230cf4d89231f3ee36decad422a7b8b8565fa232dc3bf89b

SHA512
ed2e878a5cf58e0ec74d3bf8b20a35531cc7dea31a590737f40a6fef1aea8f7903d592fb25a870482110f10d225051e8724bcb57a9d3aca388c8bde5f0fa6146

Download Submit
memory/2376-13-0x0000000006360000-0x00000000067A6000-memory.dmp

Filesize
4.3MB

Download
memory/2376-1-0x0000000077780000-0x0000000077782000-memory.dmp

Filesize
8KB

Download
memory/2376-4-0x0000000000940000-0x0000000000DE3000-memory.dmp

Filesize
4.6MB

Download
memory/2376-5-0x0000000000940000-0x0000000000DE3000-memory.dmp

Filesize
4.6MB

Download
memory/2376-2-0x0000000000941000-0x0000000000966000-memory.dmp

Filesize
148KB

Download
memory/2376-14-0x0000000006360000-0x00000000067A6000-memory.dmp

Filesize
4.3MB

Download
memory/2376-0-0x0000000000940000-0x0000000000DE3000-memory.dmp

Filesize
4.6MB

Download
memory/2376-25-0x0000000000940000-0x0000000000DE3000-memory.dmp

Filesize
4.6MB

Download
memory/2376-3-0x0000000000940000-0x0000000000DE3000-memory.dmp

Filesize
4.6MB

Download
memory/2376-26-0x0000000006360000-0x0000000006853000-memory.dmp

Filesize
4.9MB

Download
memory/2376-19-0x0000000000940000-0x0000000000DE3000-memory.dmp

Filesize
4.6MB

Download
memory/2596-28-0x0000000000C90000-0x0000000001183000-memory.dmp

Filesize
4.9MB

Download
memory/2596-29-0x0000000000C90000-0x0000000001183000-memory.dmp

Filesize
4.9MB

Download
memory/2820-18-0x0000000000A10000-0x0000000000E56000-memory.dmp

Filesize
4.3MB

Download
memory/2820-17-0x0000000000A10000-0x0000000000E56000-memory.dmp

Filesize
4.3MB

Download
memory/2820-16-0x0000000000A10000-0x0000000000E56000-memory.dmp

Filesize
4.3MB

Download
memory/2820-32-0x0000000000A10000-0x0000000000E56000-memory.dmp

Filesize
4.3MB

Download