lumma | 6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 02:40

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General

Target

6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
Size

1.8MB
MD5

cd0ac63bd2ece29fe4ab3ae30df60d15
SHA1

a9e3659ed1d331406a9bd7826b334df47b7a39e1
SHA256

6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210
SHA512

9e14a59a590378a854c0262ccc34883583fb8176f71fb843ad05e18fab340e0957b73b83357630a9112d150253ac9f187e3edc56d2e1e58f80aea6e1dde5d941
SSDEEP

24576:NQLO6ijXHg33UUyRRc6EAARJmWRURspriuai9cbmMo612OZpAIgrUMGfUN/yNNfb:NcLWi3UN/v0URQiuncYROZvKgEe1n

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\DisableBehaviorMonitoring = "1"	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	7JBS41PCKJ5A3JYTJ29NSQX2EV.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__	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	68UR4C8TK4BY664NG.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	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	68UR4C8TK4BY664NG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	68UR4C8TK4BY664NG.exe

Executes dropped EXE 2 IoCs

pid	Process
780	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
2756	68UR4C8TK4BY664NG.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Key opened	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Wine	68UR4C8TK4BY664NG.exe

Loads dropped DLL 3 IoCs

pid	Process
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.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	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	7JBS41PCKJ5A3JYTJ29NSQX2EV.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
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
780	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
2756	68UR4C8TK4BY664NG.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	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68UR4C8TK4BY664NG.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
780	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
2756	68UR4C8TK4BY664NG.exe
780	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
780	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	780	7JBS41PCKJ5A3JYTJ29NSQX2EV.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 780	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	32
PID 1484 wrote to memory of 780	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	32
PID 1484 wrote to memory of 780	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	32
PID 1484 wrote to memory of 780	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	32
PID 1484 wrote to memory of 2756	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	33
PID 1484 wrote to memory of 2756	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	33
PID 1484 wrote to memory of 2756	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	33
PID 1484 wrote to memory of 2756	1484	6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe	33

C:\Users\Admin\AppData\Local\Temp\6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.exe
"C:\Users\Admin\AppData\Local\Temp\6b37c5347754c31bd9aa8b946410b71da1b74a777480839b378d748cfbce2210.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:1484
- C:\Users\Admin\AppData\Local\Temp\7JBS41PCKJ5A3JYTJ29NSQX2EV.exe
  "C:\Users\Admin\AppData\Local\Temp\7JBS41PCKJ5A3JYTJ29NSQX2EV.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:780
- C:\Users\Admin\AppData\Local\Temp\68UR4C8TK4BY664NG.exe
  "C:\Users\Admin\AppData\Local\Temp\68UR4C8TK4BY664NG.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:2756

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\68UR4C8TK4BY664NG.exe

Filesize
2.7MB

MD5
56cd1562fdb532d35c2be70cf80ec510

SHA1
928eba550430dd1079067f829839e3bbb717bdf3

SHA256
5eeeebae74d5ab7e434f924759bb2cd353c9fe0db9e5a46da9bc2caa85141234

SHA512
2a8ef4440cf4d605ad6ea8b0992b289697f1387eda77f32bf5f7294ce65f62d2fb4d1a2caece94eaada59a6ca86434e5aa3478ebe66a27070d9ad91a245bee60

Download Submit
\Users\Admin\AppData\Local\Temp\7JBS41PCKJ5A3JYTJ29NSQX2EV.exe

Filesize
1.7MB

MD5
74d901223c9a4306676d91eb66fbfaa7

SHA1
a510f457557db3abc75bedd007d38a59390edc49

SHA256
c60e563aac88966035322722f3503c087ba73a2a6cc42a6f03dbc0eac8daeac9

SHA512
2cc93f263473f83dc5f5798402db229fbd905795f416f62525580a8036edd7e59a3a301cac8ecde9ed9419739945c5a0ca06e0f4a133c9d4eef1bf80e6aff1bb

Download Submit
memory/780-17-0x0000000000800000-0x0000000000C5E000-memory.dmp

Filesize
4.4MB

Download
memory/780-34-0x0000000000800000-0x0000000000C5E000-memory.dmp

Filesize
4.4MB

Download
memory/780-31-0x0000000000800000-0x0000000000C5E000-memory.dmp

Filesize
4.4MB

Download
memory/780-19-0x0000000000800000-0x0000000000C5E000-memory.dmp

Filesize
4.4MB

Download
memory/780-18-0x0000000000800000-0x0000000000C5E000-memory.dmp

Filesize
4.4MB

Download
memory/1484-13-0x00000000066C0000-0x0000000006B1E000-memory.dmp

Filesize
4.4MB

Download
memory/1484-3-0x0000000000B50000-0x0000000000FF7000-memory.dmp

Filesize
4.7MB

Download
memory/1484-14-0x00000000066C0000-0x0000000006B1E000-memory.dmp

Filesize
4.4MB

Download
memory/1484-0-0x0000000000B50000-0x0000000000FF7000-memory.dmp

Filesize
4.7MB

Download
memory/1484-5-0x0000000000B50000-0x0000000000FF7000-memory.dmp

Filesize
4.7MB

Download
memory/1484-4-0x0000000000B50000-0x0000000000FF7000-memory.dmp

Filesize
4.7MB

Download
memory/1484-20-0x0000000000B50000-0x0000000000FF7000-memory.dmp

Filesize
4.7MB

Download
memory/1484-16-0x0000000000B50000-0x0000000000FF7000-memory.dmp

Filesize
4.7MB

Download
memory/1484-28-0x0000000000B50000-0x0000000000FF7000-memory.dmp

Filesize
4.7MB

Download
memory/1484-26-0x00000000066C0000-0x0000000006BB4000-memory.dmp

Filesize
5.0MB

Download
memory/1484-1-0x0000000077AF0000-0x0000000077AF2000-memory.dmp

Filesize
8KB

Download
memory/1484-2-0x0000000000B51000-0x0000000000B76000-memory.dmp

Filesize
148KB

Download
memory/2756-30-0x0000000000230000-0x0000000000724000-memory.dmp

Filesize
5.0MB

Download
memory/2756-29-0x0000000000230000-0x0000000000724000-memory.dmp

Filesize
5.0MB

Download