lumma | b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/12/2024, 02:16

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General

Target

b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
Size

1.8MB
MD5

9f66aacf7a94a3dd7f2c5355cd466834
SHA1

f1dad7d27c8d99766eb7fe7d1faab49a2fd3668b
SHA256

b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253
SHA512

7ca05b5835b128041c5986bb4f20760782e425dc0b568649e47a05f064bf0b9464a0a0720654ec01e463d9e8f84dc4243f2af2532029373ca859973782da6f90
SSDEEP

49152:XAVrz3vWHc/P7SELe3yDiB1xLGcvqaeQ799A:XAVrz6cuEM1hGcSQ74

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"	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.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__	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	RZOC6FVXPWLBHWA7E.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	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	RZOC6FVXPWLBHWA7E.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	RZOC6FVXPWLBHWA7E.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe

Executes dropped EXE 2 IoCs

pid	Process
2576	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
2124	RZOC6FVXPWLBHWA7E.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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	RZOC6FVXPWLBHWA7E.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Wine	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe

Loads dropped DLL 3 IoCs

pid	Process
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.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	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.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
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2576	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
2124	RZOC6FVXPWLBHWA7E.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	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RZOC6FVXPWLBHWA7E.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
2576	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
2576	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
2576	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
2124	RZOC6FVXPWLBHWA7E.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2576	FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2576	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	31
PID 2316 wrote to memory of 2576	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	31
PID 2316 wrote to memory of 2576	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	31
PID 2316 wrote to memory of 2576	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	31
PID 2316 wrote to memory of 2124	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	32
PID 2316 wrote to memory of 2124	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	32
PID 2316 wrote to memory of 2124	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	32
PID 2316 wrote to memory of 2124	2316	b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe	32

C:\Users\Admin\AppData\Local\Temp\b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.exe
"C:\Users\Admin\AppData\Local\Temp\b515bc457c6dd7b9c2c6e94c3d7303e596af7a20d376b1be58474c3942a6c253.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:2316
- C:\Users\Admin\AppData\Local\Temp\FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe
  "C:\Users\Admin\AppData\Local\Temp\FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.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:2576
- C:\Users\Admin\AppData\Local\Temp\RZOC6FVXPWLBHWA7E.exe
  "C:\Users\Admin\AppData\Local\Temp\RZOC6FVXPWLBHWA7E.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:2124

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\FH0AQBJI8X3S0INIPZDHCQE6VTSVFNJ.exe

Filesize
2.6MB

MD5
e5cfad81f5397d7eeed2e7251b7e6e7a

SHA1
84184161e1b542773e5c74909ce37bb1f8f2238e

SHA256
46cb31f14f15b4f13d203fe4138401adccf3163cf405fe907e7ee86bbd1c2387

SHA512
fad966d925810d75be01d20b2b2bbf45755a30d385754878764fec0f1d45100490ba8c4ea279429f91c627cfa8f6b0e2abc70abdb8b645dddf1abd4cf021656a

Download Submit
\Users\Admin\AppData\Local\Temp\RZOC6FVXPWLBHWA7E.exe

Filesize
1.7MB

MD5
f660a7ff99befe7ae52d2636a0e8db46

SHA1
41b7e90dbf2ce54bd4e3048d0dc1b7e9d59d81ee

SHA256
526d8ce745c14bac28de547ee616d66bec13517e558da772982b41cb9d6dda62

SHA512
4f13dc0b5c8003b3dc7a5f3faa02c4e103da106722d53494a74e419756d1ce8c35b308641e7690bb932002b0d16411caedb60e63138d33cbfe78520ca8bd0240

Download Submit
memory/2124-33-0x0000000001140000-0x00000000017D5000-memory.dmp

Filesize
6.6MB

Download
memory/2124-31-0x0000000001140000-0x00000000017D5000-memory.dmp

Filesize
6.6MB

Download
memory/2316-15-0x0000000006230000-0x00000000064D8000-memory.dmp

Filesize
2.7MB

Download
memory/2316-20-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-6-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-4-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-1-0x0000000077880000-0x0000000077882000-memory.dmp

Filesize
8KB

Download
memory/2316-16-0x0000000006230000-0x00000000064D8000-memory.dmp

Filesize
2.7MB

Download
memory/2316-0-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-14-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-19-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-5-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-28-0x0000000006230000-0x00000000068C5000-memory.dmp

Filesize
6.6MB

Download
memory/2316-30-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-3-0x00000000010A0000-0x0000000001534000-memory.dmp

Filesize
4.6MB

Download
memory/2316-2-0x00000000010A1000-0x00000000010C6000-memory.dmp

Filesize
148KB

Download
memory/2576-22-0x0000000000250000-0x00000000004F8000-memory.dmp

Filesize
2.7MB

Download
memory/2576-21-0x0000000000250000-0x00000000004F8000-memory.dmp

Filesize
2.7MB

Download
memory/2576-32-0x0000000000250000-0x00000000004F8000-memory.dmp

Filesize
2.7MB

Download
memory/2576-18-0x0000000000250000-0x00000000004F8000-memory.dmp

Filesize
2.7MB

Download
memory/2576-36-0x0000000000250000-0x00000000004F8000-memory.dmp

Filesize
2.7MB

Download