lumma | 61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 02:37

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General

Target

61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
Size

1.8MB
MD5

f9e2b46c1601d8ba03f09fd5a21eea62
SHA1

22acdaa948de36b4adfae67a19dd73bdcbd1dc22
SHA256

61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa
SHA512

81a5db548f6829cf1a4e514e9f2b1e8f685d21cd0eed43edbe98321a1423ef06f849847769e4d8c8185f602087fe5dd27912a78255d6ee08af1daf65ed89a528
SSDEEP

49152:rX8rok5RtlbYQRTd0NURMkjkQVbUfvExdT9xTNRrkeJ:j8rokft5Td1hzA0x5zkE

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\Policies\Microsoft\Windows Defender\Real-Time Protection	FBIZEPGK2K876DP9Z.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	FBIZEPGK2K876DP9Z.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	FBIZEPGK2K876DP9Z.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	FBIZEPGK2K876DP9Z.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	FBIZEPGK2K876DP9Z.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	FBIZEPGK2K876DP9Z.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__	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	FBIZEPGK2K876DP9Z.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	K4GKVIH8UZIQYJ0SEL428KSZT9CA.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	K4GKVIH8UZIQYJ0SEL428KSZT9CA.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	K4GKVIH8UZIQYJ0SEL428KSZT9CA.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	FBIZEPGK2K876DP9Z.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	FBIZEPGK2K876DP9Z.exe

Executes dropped EXE 2 IoCs

pid	Process
2744	FBIZEPGK2K876DP9Z.exe
2584	K4GKVIH8UZIQYJ0SEL428KSZT9CA.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	FBIZEPGK2K876DP9Z.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	K4GKVIH8UZIQYJ0SEL428KSZT9CA.exe

Loads dropped DLL 3 IoCs

pid	Process
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.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	FBIZEPGK2K876DP9Z.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	FBIZEPGK2K876DP9Z.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
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2744	FBIZEPGK2K876DP9Z.exe
2584	K4GKVIH8UZIQYJ0SEL428KSZT9CA.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	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FBIZEPGK2K876DP9Z.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	K4GKVIH8UZIQYJ0SEL428KSZT9CA.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
2744	FBIZEPGK2K876DP9Z.exe
2744	FBIZEPGK2K876DP9Z.exe
2744	FBIZEPGK2K876DP9Z.exe
2584	K4GKVIH8UZIQYJ0SEL428KSZT9CA.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	FBIZEPGK2K876DP9Z.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2744	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	32
PID 2384 wrote to memory of 2744	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	32
PID 2384 wrote to memory of 2744	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	32
PID 2384 wrote to memory of 2744	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	32
PID 2384 wrote to memory of 2584	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	33
PID 2384 wrote to memory of 2584	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	33
PID 2384 wrote to memory of 2584	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	33
PID 2384 wrote to memory of 2584	2384	61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe	33

C:\Users\Admin\AppData\Local\Temp\61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.exe
"C:\Users\Admin\AppData\Local\Temp\61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa.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:2384
- C:\Users\Admin\AppData\Local\Temp\FBIZEPGK2K876DP9Z.exe
  "C:\Users\Admin\AppData\Local\Temp\FBIZEPGK2K876DP9Z.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:2744
- C:\Users\Admin\AppData\Local\Temp\K4GKVIH8UZIQYJ0SEL428KSZT9CA.exe
  "C:\Users\Admin\AppData\Local\Temp\K4GKVIH8UZIQYJ0SEL428KSZT9CA.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:2584

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\FBIZEPGK2K876DP9Z.exe

Filesize
1.7MB

MD5
74d901223c9a4306676d91eb66fbfaa7

SHA1
a510f457557db3abc75bedd007d38a59390edc49

SHA256
c60e563aac88966035322722f3503c087ba73a2a6cc42a6f03dbc0eac8daeac9

SHA512
2cc93f263473f83dc5f5798402db229fbd905795f416f62525580a8036edd7e59a3a301cac8ecde9ed9419739945c5a0ca06e0f4a133c9d4eef1bf80e6aff1bb

Download Submit
\Users\Admin\AppData\Local\Temp\K4GKVIH8UZIQYJ0SEL428KSZT9CA.exe

Filesize
2.7MB

MD5
56cd1562fdb532d35c2be70cf80ec510

SHA1
928eba550430dd1079067f829839e3bbb717bdf3

SHA256
5eeeebae74d5ab7e434f924759bb2cd353c9fe0db9e5a46da9bc2caa85141234

SHA512
2a8ef4440cf4d605ad6ea8b0992b289697f1387eda77f32bf5f7294ce65f62d2fb4d1a2caece94eaada59a6ca86434e5aa3478ebe66a27070d9ad91a245bee60

Download Submit
memory/2384-4-0x0000000000190000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/2384-1-0x0000000077620000-0x0000000077622000-memory.dmp

Filesize
8KB

Download
memory/2384-0-0x0000000000190000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/2384-2-0x0000000000191000-0x00000000001B6000-memory.dmp

Filesize
148KB

Download
memory/2384-3-0x0000000000190000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/2384-15-0x0000000006190000-0x00000000065EE000-memory.dmp

Filesize
4.4MB

Download
memory/2384-13-0x0000000006190000-0x00000000065EE000-memory.dmp

Filesize
4.4MB

Download
memory/2384-12-0x0000000000190000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/2384-26-0x0000000006190000-0x0000000006684000-memory.dmp

Filesize
5.0MB

Download
memory/2384-25-0x0000000000190000-0x0000000000637000-memory.dmp

Filesize
4.7MB

Download
memory/2584-27-0x0000000000F30000-0x0000000001424000-memory.dmp

Filesize
5.0MB

Download
memory/2584-28-0x0000000000F30000-0x0000000001424000-memory.dmp

Filesize
5.0MB

Download
memory/2744-18-0x0000000000B10000-0x0000000000F6E000-memory.dmp

Filesize
4.4MB

Download
memory/2744-17-0x0000000000B10000-0x0000000000F6E000-memory.dmp

Filesize
4.4MB

Download
memory/2744-16-0x0000000000B10000-0x0000000000F6E000-memory.dmp

Filesize
4.4MB

Download
memory/2744-29-0x0000000000B10000-0x0000000000F6E000-memory.dmp

Filesize
4.4MB

Download
memory/2744-32-0x0000000000B10000-0x0000000000F6E000-memory.dmp

Filesize
4.4MB

Download