lumma | b6046ae1bd10e5aa4bb9280b48cd846482d5122de8bbe54998800e734bddd7f7

Analysis

max time kernel
96s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 08:55

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General

Target

42b62e1e747b64a54a3f6896df2128d5.exe
Size

1.8MB
MD5

42b62e1e747b64a54a3f6896df2128d5
SHA1

4b0d19351ed7eb44908eae3020b8298ed221d100
SHA256

b6046ae1bd10e5aa4bb9280b48cd846482d5122de8bbe54998800e734bddd7f7
SHA512

dca1b52076478cb15bded75a98ea7d689e548d87c1117c33bf303750b6495d396deb9de30711fc1eabfa0e47af20460c0bc1c15b2c85b683401c40c7e101e229
SSDEEP

49152:CtR8X2NBoIch/r5dAYs8fbx6XBM15lyMUqPd/R:CTWYc/w4xExExR

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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	UWFSY6PRW4IVU7U5YM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	UWFSY6PRW4IVU7U5YM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	UWFSY6PRW4IVU7U5YM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	UWFSY6PRW4IVU7U5YM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	UWFSY6PRW4IVU7U5YM.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	UWFSY6PRW4IVU7U5YM.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__	42b62e1e747b64a54a3f6896df2128d5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	UWFSY6PRW4IVU7U5YM.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	3PZFSFAVQVTSJRMH83XNIJWEDOC.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	42b62e1e747b64a54a3f6896df2128d5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	42b62e1e747b64a54a3f6896df2128d5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	UWFSY6PRW4IVU7U5YM.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	UWFSY6PRW4IVU7U5YM.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3PZFSFAVQVTSJRMH83XNIJWEDOC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3PZFSFAVQVTSJRMH83XNIJWEDOC.exe

Executes dropped EXE 2 IoCs

pid	Process
3724	UWFSY6PRW4IVU7U5YM.exe
4596	3PZFSFAVQVTSJRMH83XNIJWEDOC.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-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	42b62e1e747b64a54a3f6896df2128d5.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	UWFSY6PRW4IVU7U5YM.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Wine	3PZFSFAVQVTSJRMH83XNIJWEDOC.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	UWFSY6PRW4IVU7U5YM.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	UWFSY6PRW4IVU7U5YM.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
5052	42b62e1e747b64a54a3f6896df2128d5.exe
3724	UWFSY6PRW4IVU7U5YM.exe
4596	3PZFSFAVQVTSJRMH83XNIJWEDOC.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	42b62e1e747b64a54a3f6896df2128d5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UWFSY6PRW4IVU7U5YM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3PZFSFAVQVTSJRMH83XNIJWEDOC.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
5052	42b62e1e747b64a54a3f6896df2128d5.exe
5052	42b62e1e747b64a54a3f6896df2128d5.exe
5052	42b62e1e747b64a54a3f6896df2128d5.exe
5052	42b62e1e747b64a54a3f6896df2128d5.exe
5052	42b62e1e747b64a54a3f6896df2128d5.exe
5052	42b62e1e747b64a54a3f6896df2128d5.exe
3724	UWFSY6PRW4IVU7U5YM.exe
3724	UWFSY6PRW4IVU7U5YM.exe
4596	3PZFSFAVQVTSJRMH83XNIJWEDOC.exe
4596	3PZFSFAVQVTSJRMH83XNIJWEDOC.exe
3724	UWFSY6PRW4IVU7U5YM.exe
3724	UWFSY6PRW4IVU7U5YM.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3724	UWFSY6PRW4IVU7U5YM.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 3724	5052	42b62e1e747b64a54a3f6896df2128d5.exe	84
PID 5052 wrote to memory of 3724	5052	42b62e1e747b64a54a3f6896df2128d5.exe	84
PID 5052 wrote to memory of 3724	5052	42b62e1e747b64a54a3f6896df2128d5.exe	84
PID 5052 wrote to memory of 4596	5052	42b62e1e747b64a54a3f6896df2128d5.exe	87
PID 5052 wrote to memory of 4596	5052	42b62e1e747b64a54a3f6896df2128d5.exe	87
PID 5052 wrote to memory of 4596	5052	42b62e1e747b64a54a3f6896df2128d5.exe	87

C:\Users\Admin\AppData\Local\Temp\42b62e1e747b64a54a3f6896df2128d5.exe
"C:\Users\Admin\AppData\Local\Temp\42b62e1e747b64a54a3f6896df2128d5.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
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Users\Admin\AppData\Local\Temp\UWFSY6PRW4IVU7U5YM.exe
  "C:\Users\Admin\AppData\Local\Temp\UWFSY6PRW4IVU7U5YM.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:3724
- C:\Users\Admin\AppData\Local\Temp\3PZFSFAVQVTSJRMH83XNIJWEDOC.exe
  "C:\Users\Admin\AppData\Local\Temp\3PZFSFAVQVTSJRMH83XNIJWEDOC.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:4596

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

C:\Users\Admin\AppData\Local\Temp\3PZFSFAVQVTSJRMH83XNIJWEDOC.exe

Filesize
1.7MB

MD5
3aacd7d2751e6e0f434b9809f58b92bc

SHA1
a398a3b7487129b2f2bd94136da6ca36e91d7505

SHA256
2abc9291898edaa673b4754a60c0154084112532a7f76c36fee1e97cec5685ab

SHA512
56ae68afbd59926feb21f6ff2662e3c26f461c9e7a52b26add2d8bdeda7b381ce6fde1ef787310aab666ab84a27e884810efb56ac65968c1d71fceb963516cf3

Download Submit
C:\Users\Admin\AppData\Local\Temp\UWFSY6PRW4IVU7U5YM.exe

Filesize
2.7MB

MD5
f0a01acbb7c142ecdb64c66fe7e5da72

SHA1
bd76e25d19deca688e85a0c2afefebfbd2ed5708

SHA256
91ea2a284a8ee25b4ad74669df7d2f5362f8e88b45c5ad0471b8fff15b1cea7f

SHA512
fad5447153b4c9e95f787861dc41280b6192a71d7612772a5f4d579d7629cd2294e08b6274bba1a0c7184b1db8221a949264cd3353ee0ef40d2e7d227deafe4b

Download Submit
memory/3724-25-0x0000000000520000-0x00000000007D4000-memory.dmp

Filesize
2.7MB

Download
memory/3724-21-0x0000000000520000-0x00000000007D4000-memory.dmp

Filesize
2.7MB

Download
memory/3724-12-0x0000000000520000-0x00000000007D4000-memory.dmp

Filesize
2.7MB

Download
memory/3724-11-0x0000000000520000-0x00000000007D4000-memory.dmp

Filesize
2.7MB

Download
memory/3724-10-0x0000000000520000-0x00000000007D4000-memory.dmp

Filesize
2.7MB

Download
memory/4596-18-0x0000000000670000-0x0000000000CFE000-memory.dmp

Filesize
6.6MB

Download
memory/4596-20-0x0000000000670000-0x0000000000CFE000-memory.dmp

Filesize
6.6MB

Download
memory/5052-5-0x0000000000E10000-0x00000000012A3000-memory.dmp

Filesize
4.6MB

Download
memory/5052-4-0x0000000000E10000-0x00000000012A3000-memory.dmp

Filesize
4.6MB

Download
memory/5052-3-0x0000000000E10000-0x00000000012A3000-memory.dmp

Filesize
4.6MB

Download
memory/5052-16-0x0000000000E10000-0x00000000012A3000-memory.dmp

Filesize
4.6MB

Download
memory/5052-0-0x0000000000E10000-0x00000000012A3000-memory.dmp

Filesize
4.6MB

Download
memory/5052-2-0x0000000000E11000-0x0000000000E36000-memory.dmp

Filesize
148KB

Download
memory/5052-1-0x0000000077D74000-0x0000000077D76000-memory.dmp

Filesize
8KB

Download