lumma | c506ac55f61aac8aa988bf1d584988cc27faaa3ffd6a97625f5dc8f6debf9c93

Analysis

max time kernel
91s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 14:05

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General

Target

4a9d3b5099ab214c2fc1ede02bb06bfe.exe
Size

1.8MB
MD5

4a9d3b5099ab214c2fc1ede02bb06bfe
SHA1

a6e91b1ea99d9c531f0f42ac42782eb8bd499103
SHA256

c506ac55f61aac8aa988bf1d584988cc27faaa3ffd6a97625f5dc8f6debf9c93
SHA512

5c0c09f1f2db034188e42daf14778a30000128e5226ea7200b221de405493cdc98d4b60de2211de785497016f0f85cbdb7b4686c147f412d5cca974bbb26b588
SSDEEP

24576:bjbWLm0aiTvjFoAU56Q9409g9gp/tXVwdGh1hrXvYKsN1UM2aVr8uLsst6UoQGgV:bHrirMlphWGXD8J59nowXJPU

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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	NIVKW2W8CFOG1D70XEF1CZW0CZG.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__	U6920FF896A3C1LRIV7N7SXIP4K.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	NIVKW2W8CFOG1D70XEF1CZW0CZG.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\VideoBiosVersion	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	U6920FF896A3C1LRIV7N7SXIP4K.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	U6920FF896A3C1LRIV7N7SXIP4K.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4a9d3b5099ab214c2fc1ede02bb06bfe.exe

Executes dropped EXE 2 IoCs

pid	Process
628	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
2772	U6920FF896A3C1LRIV7N7SXIP4K.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-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Wine	U6920FF896A3C1LRIV7N7SXIP4K.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	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	NIVKW2W8CFOG1D70XEF1CZW0CZG.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
880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
628	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
2772	U6920FF896A3C1LRIV7N7SXIP4K.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	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	U6920FF896A3C1LRIV7N7SXIP4K.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe
628	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
628	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
2772	U6920FF896A3C1LRIV7N7SXIP4K.exe
2772	U6920FF896A3C1LRIV7N7SXIP4K.exe
628	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
628	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	NIVKW2W8CFOG1D70XEF1CZW0CZG.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 628	880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe	90
PID 880 wrote to memory of 628	880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe	90
PID 880 wrote to memory of 628	880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe	90
PID 880 wrote to memory of 2772	880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe	91
PID 880 wrote to memory of 2772	880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe	91
PID 880 wrote to memory of 2772	880	4a9d3b5099ab214c2fc1ede02bb06bfe.exe	91

C:\Users\Admin\AppData\Local\Temp\4a9d3b5099ab214c2fc1ede02bb06bfe.exe
"C:\Users\Admin\AppData\Local\Temp\4a9d3b5099ab214c2fc1ede02bb06bfe.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:880
- C:\Users\Admin\AppData\Local\Temp\NIVKW2W8CFOG1D70XEF1CZW0CZG.exe
  "C:\Users\Admin\AppData\Local\Temp\NIVKW2W8CFOG1D70XEF1CZW0CZG.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:628
- C:\Users\Admin\AppData\Local\Temp\U6920FF896A3C1LRIV7N7SXIP4K.exe
  "C:\Users\Admin\AppData\Local\Temp\U6920FF896A3C1LRIV7N7SXIP4K.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:2772

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\NIVKW2W8CFOG1D70XEF1CZW0CZG.exe

Filesize
1.7MB

MD5
7cbf44cce3192be728af21ab4631de68

SHA1
150dcf70ac86a64f731e9d382d907cfe8864bb34

SHA256
ac345b4397b11b35b1726e14806b43abf3c6b241b44721dc848eee9d671fc3d5

SHA512
39ea9a1c0bb9ad7b9abfcd47f605218508ef93ba30dd07ec86af1e7b69fb0d7c43ec35f7853842b6e6e428af0bfcd186e1d97c8ded61386d4b92f08690a4e99b

Download Submit
C:\Users\Admin\AppData\Local\Temp\U6920FF896A3C1LRIV7N7SXIP4K.exe

Filesize
2.8MB

MD5
c47457332bef2f7d538492e41dbe426a

SHA1
cc41dc3d77ed516fdcb22a90415303cd5f1da6ef

SHA256
462feb1108da3f8026d92bc28fb4fb61d964b578c33f1f85cb4a026766dc2395

SHA512
26cd29c30e9d0664960518a87d0e6abf7b1212f5522edd868260b14c1e53dd3400c38f9e9ee5f71aeac56fc952a488b2ddebf8850f34bd1b19c72d246b039ad8

Download Submit
memory/628-30-0x00000000007C0000-0x0000000000C30000-memory.dmp

Filesize
4.4MB

Download
memory/628-26-0x00000000007C0000-0x0000000000C30000-memory.dmp

Filesize
4.4MB

Download
memory/628-17-0x00000000007C0000-0x0000000000C30000-memory.dmp

Filesize
4.4MB

Download
memory/628-16-0x00000000007C0000-0x0000000000C30000-memory.dmp

Filesize
4.4MB

Download
memory/628-15-0x00000000007C0000-0x0000000000C30000-memory.dmp

Filesize
4.4MB

Download
memory/880-5-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-4-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-9-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-10-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-7-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-6-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-0-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-8-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-3-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-1-0x0000000077284000-0x0000000077286000-memory.dmp

Filesize
8KB

Download
memory/880-24-0x0000000000C20000-0x00000000010C7000-memory.dmp

Filesize
4.7MB

Download
memory/880-2-0x0000000000C21000-0x0000000000C46000-memory.dmp

Filesize
148KB

Download
memory/2772-25-0x0000000000750000-0x0000000000C47000-memory.dmp

Filesize
5.0MB

Download
memory/2772-22-0x0000000000750000-0x0000000000C47000-memory.dmp

Filesize
5.0MB

Download