lumma | 890cfc8c067ec2e4380ad770dc7ff0bad378824e09d0437aa0595c4215389989

Analysis

max time kernel
94s
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
19-12-2024 07:21

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General

Target

c3f863149cf166e5866fca1fe42cad0e.exe
Size

1.8MB
MD5

c3f863149cf166e5866fca1fe42cad0e
SHA1

56b43b172e2ac0412ef1f0721e9bf91adef93194
SHA256

890cfc8c067ec2e4380ad770dc7ff0bad378824e09d0437aa0595c4215389989
SHA512

5d5658219d7d5404e220dc15958dfa4e7f97ebc2f2ea2c5b6b377abc8e48c97c718f3d910d94ebea66e53e23390f702c4f0e3adb6e590301d934d8a913c9b05b
SSDEEP

49152:sDTma7ZZWYFgDPIbcnh4IoZlTmnckAZ27suaiS:8TrOYiDcgVoCncko4O

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
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	XRNZW7BCP9JUYEP7EUU1N5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	XRNZW7BCP9JUYEP7EUU1N5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	XRNZW7BCP9JUYEP7EUU1N5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	XRNZW7BCP9JUYEP7EUU1N5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	XRNZW7BCP9JUYEP7EUU1N5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	XRNZW7BCP9JUYEP7EUU1N5.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__	BH9STVW6VEIMAVYJVWWNORVILB.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c3f863149cf166e5866fca1fe42cad0e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	XRNZW7BCP9JUYEP7EUU1N5.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	XRNZW7BCP9JUYEP7EUU1N5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	XRNZW7BCP9JUYEP7EUU1N5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	BH9STVW6VEIMAVYJVWWNORVILB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BH9STVW6VEIMAVYJVWWNORVILB.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c3f863149cf166e5866fca1fe42cad0e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c3f863149cf166e5866fca1fe42cad0e.exe

Executes dropped EXE 2 IoCs

pid	Process
4916	XRNZW7BCP9JUYEP7EUU1N5.exe
232	BH9STVW6VEIMAVYJVWWNORVILB.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-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	XRNZW7BCP9JUYEP7EUU1N5.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	BH9STVW6VEIMAVYJVWWNORVILB.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Wine	c3f863149cf166e5866fca1fe42cad0e.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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	XRNZW7BCP9JUYEP7EUU1N5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	XRNZW7BCP9JUYEP7EUU1N5.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
3148	c3f863149cf166e5866fca1fe42cad0e.exe
4916	XRNZW7BCP9JUYEP7EUU1N5.exe
232	BH9STVW6VEIMAVYJVWWNORVILB.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	c3f863149cf166e5866fca1fe42cad0e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XRNZW7BCP9JUYEP7EUU1N5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BH9STVW6VEIMAVYJVWWNORVILB.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3148	c3f863149cf166e5866fca1fe42cad0e.exe
3148	c3f863149cf166e5866fca1fe42cad0e.exe
3148	c3f863149cf166e5866fca1fe42cad0e.exe
3148	c3f863149cf166e5866fca1fe42cad0e.exe
3148	c3f863149cf166e5866fca1fe42cad0e.exe
3148	c3f863149cf166e5866fca1fe42cad0e.exe
4916	XRNZW7BCP9JUYEP7EUU1N5.exe
4916	XRNZW7BCP9JUYEP7EUU1N5.exe
232	BH9STVW6VEIMAVYJVWWNORVILB.exe
232	BH9STVW6VEIMAVYJVWWNORVILB.exe
4916	XRNZW7BCP9JUYEP7EUU1N5.exe
4916	XRNZW7BCP9JUYEP7EUU1N5.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4916	XRNZW7BCP9JUYEP7EUU1N5.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3148 wrote to memory of 4916	3148	c3f863149cf166e5866fca1fe42cad0e.exe	86
PID 3148 wrote to memory of 4916	3148	c3f863149cf166e5866fca1fe42cad0e.exe	86
PID 3148 wrote to memory of 4916	3148	c3f863149cf166e5866fca1fe42cad0e.exe	86
PID 3148 wrote to memory of 232	3148	c3f863149cf166e5866fca1fe42cad0e.exe	87
PID 3148 wrote to memory of 232	3148	c3f863149cf166e5866fca1fe42cad0e.exe	87
PID 3148 wrote to memory of 232	3148	c3f863149cf166e5866fca1fe42cad0e.exe	87

C:\Users\Admin\AppData\Local\Temp\c3f863149cf166e5866fca1fe42cad0e.exe
"C:\Users\Admin\AppData\Local\Temp\c3f863149cf166e5866fca1fe42cad0e.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:3148
- C:\Users\Admin\AppData\Local\Temp\XRNZW7BCP9JUYEP7EUU1N5.exe
  "C:\Users\Admin\AppData\Local\Temp\XRNZW7BCP9JUYEP7EUU1N5.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:4916
- C:\Users\Admin\AppData\Local\Temp\BH9STVW6VEIMAVYJVWWNORVILB.exe
  "C:\Users\Admin\AppData\Local\Temp\BH9STVW6VEIMAVYJVWWNORVILB.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:232

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\BH9STVW6VEIMAVYJVWWNORVILB.exe

Filesize
2.7MB

MD5
696ee1c9d08773339efe314269dcf7f5

SHA1
21bfb4fcb39ccc3969a0d07cf743b113d64a1c63

SHA256
57014fe84559fa166db76f925753b65e9b18fc6e175e7c6900b67b4487e6c519

SHA512
eb7b0ca0510d332c123c2cdd998e7c8af22f1922ff5f1f8075c8774a93e46268e7965d9ec763f45ad8cd70a0e649dd3041338c2638792a9552590f3922463e14

Download Submit
C:\Users\Admin\AppData\Local\Temp\XRNZW7BCP9JUYEP7EUU1N5.exe

Filesize
1.7MB

MD5
9dfbaebce6e517991f34b94c67a038e2

SHA1
82fc1e85fe38a59248fc43837a6f0d32f3f0c0be

SHA256
1b625c9923c41449ed1fdce417c57890367204340c2236b4b2f44ca864ae14ad

SHA512
dd88abb1f9d0b0fd441e9333b64a88c5f66fb40c8f1ca8c98e4d04299e970410ddc49b60eadfbe7b76a74ef0a4d39cca270d4364d9d83ab66e777ca44257d4d4

Download Submit
memory/232-23-0x0000000000180000-0x0000000000673000-memory.dmp

Filesize
4.9MB

Download
memory/232-20-0x0000000000180000-0x0000000000673000-memory.dmp

Filesize
4.9MB

Download
memory/3148-4-0x0000000000E20000-0x00000000012C7000-memory.dmp

Filesize
4.7MB

Download
memory/3148-2-0x0000000000E21000-0x0000000000E46000-memory.dmp

Filesize
148KB

Download
memory/3148-6-0x0000000000E20000-0x00000000012C7000-memory.dmp

Filesize
4.7MB

Download
memory/3148-0-0x0000000000E20000-0x00000000012C7000-memory.dmp

Filesize
4.7MB

Download
memory/3148-5-0x0000000000E20000-0x00000000012C7000-memory.dmp

Filesize
4.7MB

Download
memory/3148-10-0x0000000000E20000-0x00000000012C7000-memory.dmp

Filesize
4.7MB

Download
memory/3148-1-0x00000000779F4000-0x00000000779F6000-memory.dmp

Filesize
8KB

Download
memory/3148-22-0x0000000000E20000-0x00000000012C7000-memory.dmp

Filesize
4.7MB

Download
memory/3148-3-0x0000000000E20000-0x00000000012C7000-memory.dmp

Filesize
4.7MB

Download
memory/4916-12-0x0000000000E70000-0x00000000012C4000-memory.dmp

Filesize
4.3MB

Download
memory/4916-14-0x0000000000E70000-0x00000000012C4000-memory.dmp

Filesize
4.3MB

Download
memory/4916-13-0x0000000000E70000-0x00000000012C4000-memory.dmp

Filesize
4.3MB

Download
memory/4916-25-0x0000000000E70000-0x00000000012C4000-memory.dmp

Filesize
4.3MB

Download
memory/4916-28-0x0000000000E70000-0x00000000012C4000-memory.dmp

Filesize
4.3MB

Download