lumma | 343b51b34ac69ba9e09927634079bb0632509d3a2d9bafdba15d75a8f05b98ec

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 14:05

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General

Target

830c7205f281af8e8be936566c40d1a5.exe
Size

1.8MB
MD5

830c7205f281af8e8be936566c40d1a5
SHA1

b1cfc6601006600a9823c324b3d26e1364802467
SHA256

343b51b34ac69ba9e09927634079bb0632509d3a2d9bafdba15d75a8f05b98ec
SHA512

4b1f86468ac9949f01fb746027ff3c7defac126cb0e7db1f9cd2b9ef342671575badd19f960994b84228aca5342de0509eec078ab6b02c8d5903399b51901a1c
SSDEEP

24576:/T2gIAMGk8TeOHlRPsZXwYcYxaG1HLYBMGFY1nr6rqQBfgRFemkp9UDKD2acoU8g:/TaGkBOFRPsJwRgnkBFmevBQLYf+Jy

Score

10^/10

lumma stealc stok discovery evasion spyware stealer trojan

Malware Config

Extracted

Family

lumma

Extracted

Family

stealc

Botnet

stok

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

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\DisableOnAccessProtection = "1"	M14CZ0QQ2C8YQE3PEZC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	M14CZ0QQ2C8YQE3PEZC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	M14CZ0QQ2C8YQE3PEZC.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	M14CZ0QQ2C8YQE3PEZC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	M14CZ0QQ2C8YQE3PEZC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	M14CZ0QQ2C8YQE3PEZC.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__	830c7205f281af8e8be936566c40d1a5.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	M14CZ0QQ2C8YQE3PEZC.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	T0EFJVKWYB9UJDTCE6PI5F4STES.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	830c7205f281af8e8be936566c40d1a5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	830c7205f281af8e8be936566c40d1a5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	M14CZ0QQ2C8YQE3PEZC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	M14CZ0QQ2C8YQE3PEZC.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	T0EFJVKWYB9UJDTCE6PI5F4STES.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	T0EFJVKWYB9UJDTCE6PI5F4STES.exe

Executes dropped EXE 2 IoCs

pid	Process
2764	M14CZ0QQ2C8YQE3PEZC.exe
2140	T0EFJVKWYB9UJDTCE6PI5F4STES.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	830c7205f281af8e8be936566c40d1a5.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	M14CZ0QQ2C8YQE3PEZC.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	T0EFJVKWYB9UJDTCE6PI5F4STES.exe

Loads dropped DLL 4 IoCs

pid	Process
1804	830c7205f281af8e8be936566c40d1a5.exe
1804	830c7205f281af8e8be936566c40d1a5.exe
1804	830c7205f281af8e8be936566c40d1a5.exe
1804	830c7205f281af8e8be936566c40d1a5.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	M14CZ0QQ2C8YQE3PEZC.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	M14CZ0QQ2C8YQE3PEZC.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
1804	830c7205f281af8e8be936566c40d1a5.exe
2764	M14CZ0QQ2C8YQE3PEZC.exe
2140	T0EFJVKWYB9UJDTCE6PI5F4STES.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	830c7205f281af8e8be936566c40d1a5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M14CZ0QQ2C8YQE3PEZC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	T0EFJVKWYB9UJDTCE6PI5F4STES.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1804	830c7205f281af8e8be936566c40d1a5.exe
1804	830c7205f281af8e8be936566c40d1a5.exe
1804	830c7205f281af8e8be936566c40d1a5.exe
1804	830c7205f281af8e8be936566c40d1a5.exe
1804	830c7205f281af8e8be936566c40d1a5.exe
2764	M14CZ0QQ2C8YQE3PEZC.exe
2140	T0EFJVKWYB9UJDTCE6PI5F4STES.exe
2764	M14CZ0QQ2C8YQE3PEZC.exe
2764	M14CZ0QQ2C8YQE3PEZC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2764	M14CZ0QQ2C8YQE3PEZC.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2764	1804	830c7205f281af8e8be936566c40d1a5.exe	32
PID 1804 wrote to memory of 2764	1804	830c7205f281af8e8be936566c40d1a5.exe	32
PID 1804 wrote to memory of 2764	1804	830c7205f281af8e8be936566c40d1a5.exe	32
PID 1804 wrote to memory of 2764	1804	830c7205f281af8e8be936566c40d1a5.exe	32
PID 1804 wrote to memory of 2140	1804	830c7205f281af8e8be936566c40d1a5.exe	33
PID 1804 wrote to memory of 2140	1804	830c7205f281af8e8be936566c40d1a5.exe	33
PID 1804 wrote to memory of 2140	1804	830c7205f281af8e8be936566c40d1a5.exe	33
PID 1804 wrote to memory of 2140	1804	830c7205f281af8e8be936566c40d1a5.exe	33

C:\Users\Admin\AppData\Local\Temp\830c7205f281af8e8be936566c40d1a5.exe
"C:\Users\Admin\AppData\Local\Temp\830c7205f281af8e8be936566c40d1a5.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:1804
- C:\Users\Admin\AppData\Local\Temp\M14CZ0QQ2C8YQE3PEZC.exe
  "C:\Users\Admin\AppData\Local\Temp\M14CZ0QQ2C8YQE3PEZC.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:2764
- C:\Users\Admin\AppData\Local\Temp\T0EFJVKWYB9UJDTCE6PI5F4STES.exe
  "C:\Users\Admin\AppData\Local\Temp\T0EFJVKWYB9UJDTCE6PI5F4STES.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:2140

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\T0EFJVKWYB9UJDTCE6PI5F4STES.exe

Filesize
2.8MB

MD5
c47457332bef2f7d538492e41dbe426a

SHA1
cc41dc3d77ed516fdcb22a90415303cd5f1da6ef

SHA256
462feb1108da3f8026d92bc28fb4fb61d964b578c33f1f85cb4a026766dc2395

SHA512
26cd29c30e9d0664960518a87d0e6abf7b1212f5522edd868260b14c1e53dd3400c38f9e9ee5f71aeac56fc952a488b2ddebf8850f34bd1b19c72d246b039ad8

Download Submit
\Users\Admin\AppData\Local\Temp\M14CZ0QQ2C8YQE3PEZC.exe

Filesize
1.7MB

MD5
7cbf44cce3192be728af21ab4631de68

SHA1
150dcf70ac86a64f731e9d382d907cfe8864bb34

SHA256
ac345b4397b11b35b1726e14806b43abf3c6b241b44721dc848eee9d671fc3d5

SHA512
39ea9a1c0bb9ad7b9abfcd47f605218508ef93ba30dd07ec86af1e7b69fb0d7c43ec35f7853842b6e6e428af0bfcd186e1d97c8ded61386d4b92f08690a4e99b

Download Submit
memory/1804-20-0x0000000006300000-0x0000000006770000-memory.dmp

Filesize
4.4MB

Download
memory/1804-4-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-19-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-5-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-6-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-7-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-8-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-2-0x0000000000051000-0x0000000000076000-memory.dmp

Filesize
148KB

Download
memory/1804-0-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-1-0x0000000077650000-0x0000000077652000-memory.dmp

Filesize
8KB

Download
memory/1804-33-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-3-0x0000000000050000-0x00000000004FB000-memory.dmp

Filesize
4.7MB

Download
memory/1804-17-0x0000000006300000-0x0000000006770000-memory.dmp

Filesize
4.4MB

Download
memory/1804-34-0x0000000006300000-0x00000000067F7000-memory.dmp

Filesize
5.0MB

Download
memory/1804-35-0x0000000006300000-0x00000000067F7000-memory.dmp

Filesize
5.0MB

Download
memory/2140-37-0x0000000001020000-0x0000000001517000-memory.dmp

Filesize
5.0MB

Download
memory/2140-38-0x0000000001020000-0x0000000001517000-memory.dmp

Filesize
5.0MB

Download
memory/2764-23-0x0000000001170000-0x00000000015E0000-memory.dmp

Filesize
4.4MB

Download
memory/2764-42-0x0000000001170000-0x00000000015E0000-memory.dmp

Filesize
4.4MB

Download
memory/2764-21-0x0000000001170000-0x00000000015E0000-memory.dmp

Filesize
4.4MB

Download
memory/2764-39-0x0000000001170000-0x00000000015E0000-memory.dmp

Filesize
4.4MB

Download
memory/2764-22-0x0000000001170000-0x00000000015E0000-memory.dmp

Filesize
4.4MB

Download