lumma | 8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 15:34

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General

Target

8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
Size

1.8MB
MD5

82f2ee7d49d1c8503649d730519e703b
SHA1

959f910936f9e14d847f11cf365fc29000cb3a2c
SHA256

8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf
SHA512

84ad74ddf058ffed2722a33077daef12d3c170d19391be93adefa970dbf53116bc134bdbc038539d2d09dc10b47780e4527f0ded7d0048b12654f16aac7dc958
SSDEEP

49152:NWjU9vsnJvQlDvixhKmr/kcYBlVk8cuckmFn+OGxLx:ojk0nJvQ5ixhKfwVtkmFJ4L

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\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.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__	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	N5O2FYJ544URFU9NSGERR7W.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	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	N5O2FYJ544URFU9NSGERR7W.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	N5O2FYJ544URFU9NSGERR7W.exe

Executes dropped EXE 2 IoCs

pid	Process
2740	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
2360	N5O2FYJ544URFU9NSGERR7W.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	N5O2FYJ544URFU9NSGERR7W.exe

Loads dropped DLL 3 IoCs

pid	Process
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.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	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.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
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2740	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
2360	N5O2FYJ544URFU9NSGERR7W.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	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	N5O2FYJ544URFU9NSGERR7W.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
2740	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
2740	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
2740	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
2360	N5O2FYJ544URFU9NSGERR7W.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2740	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	32
PID 2960 wrote to memory of 2740	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	32
PID 2960 wrote to memory of 2740	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	32
PID 2960 wrote to memory of 2740	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	32
PID 2960 wrote to memory of 2360	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	33
PID 2960 wrote to memory of 2360	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	33
PID 2960 wrote to memory of 2360	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	33
PID 2960 wrote to memory of 2360	2960	8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe	33

C:\Users\Admin\AppData\Local\Temp\8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.exe
"C:\Users\Admin\AppData\Local\Temp\8245373f661d021e7583470727b9cbaaa02b86b02f5f935fde8d81d54b1212bf.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:2960
- C:\Users\Admin\AppData\Local\Temp\T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe
  "C:\Users\Admin\AppData\Local\Temp\T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.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:2740
- C:\Users\Admin\AppData\Local\Temp\N5O2FYJ544URFU9NSGERR7W.exe
  "C:\Users\Admin\AppData\Local\Temp\N5O2FYJ544URFU9NSGERR7W.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:2360

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\N5O2FYJ544URFU9NSGERR7W.exe

Filesize
2.8MB

MD5
84061ff2b02888f350dd0d0ede0479d7

SHA1
9d59578251487b20994b35fa711cb5e672de47b1

SHA256
b5607eabc939ebf86a0efd6d4fa534bcd9f275a350a137079cf2e298c1751911

SHA512
1e24c7bd9390aee22e017bef0e07e2d9e4291f8cef0508afaed2b6347fca0f9cf8752c76a4531b81a20c011d8b57345c3ace6e6b3c05b2099fef4e7a74f467e1

Download Submit
\Users\Admin\AppData\Local\Temp\T0EP6MEOGSIK8G6PVOXMC8C1CL3T1JT.exe

Filesize
1.7MB

MD5
f2cf677babadbcf66be5b6925d970476

SHA1
e0a0af7b241ec576068d796336c4c6e7717981a0

SHA256
07e62cbe2492d263158762c413cfe0dc1ff7e9da26074c4b28c6a506c9253ff1

SHA512
7264dc65b8522f3bf43083aeb2faf684424a73eb1b030be44314982abe34ec9f23f168cb326054508a9dbff87f11a849578bab9b65c832c47adff438bb979def

Download Submit
memory/2360-30-0x0000000000CD0000-0x00000000011CC000-memory.dmp

Filesize
5.0MB

Download
memory/2360-29-0x0000000000CD0000-0x00000000011CC000-memory.dmp

Filesize
5.0MB

Download
memory/2740-19-0x00000000012D0000-0x0000000001728000-memory.dmp

Filesize
4.3MB

Download
memory/2740-34-0x00000000012D0000-0x0000000001728000-memory.dmp

Filesize
4.3MB

Download
memory/2740-31-0x00000000012D0000-0x0000000001728000-memory.dmp

Filesize
4.3MB

Download
memory/2740-17-0x00000000012D0000-0x0000000001728000-memory.dmp

Filesize
4.3MB

Download
memory/2740-20-0x00000000012D0000-0x0000000001728000-memory.dmp

Filesize
4.3MB

Download
memory/2960-13-0x0000000006220000-0x0000000006678000-memory.dmp

Filesize
4.3MB

Download
memory/2960-0-0x0000000000F90000-0x0000000001438000-memory.dmp

Filesize
4.7MB

Download
memory/2960-18-0x0000000000F90000-0x0000000001438000-memory.dmp

Filesize
4.7MB

Download
memory/2960-14-0x0000000006220000-0x0000000006678000-memory.dmp

Filesize
4.3MB

Download
memory/2960-16-0x0000000000F90000-0x0000000001438000-memory.dmp

Filesize
4.7MB

Download
memory/2960-5-0x0000000000F90000-0x0000000001438000-memory.dmp

Filesize
4.7MB

Download
memory/2960-26-0x0000000006620000-0x0000000006B1C000-memory.dmp

Filesize
5.0MB

Download
memory/2960-4-0x0000000000F90000-0x0000000001438000-memory.dmp

Filesize
4.7MB

Download
memory/2960-28-0x0000000000F90000-0x0000000001438000-memory.dmp

Filesize
4.7MB

Download
memory/2960-3-0x0000000000F90000-0x0000000001438000-memory.dmp

Filesize
4.7MB

Download
memory/2960-2-0x0000000000F91000-0x0000000000FB6000-memory.dmp

Filesize
148KB

Download
memory/2960-1-0x0000000077070000-0x0000000077072000-memory.dmp

Filesize
8KB

Download