lumma | 61d3f383cdc2638b5fd5a07de512b41a38f24ed994ad2ab1f44a1e079e59b6aa

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 08:40

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General

Target

f9e2b46c1601d8ba03f09fd5a21eea62.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	9WS9UALPBP1HUKG35YO3BO7T2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	9WS9UALPBP1HUKG35YO3BO7T2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	9WS9UALPBP1HUKG35YO3BO7T2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	9WS9UALPBP1HUKG35YO3BO7T2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	9WS9UALPBP1HUKG35YO3BO7T2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	9WS9UALPBP1HUKG35YO3BO7T2.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__	f9e2b46c1601d8ba03f09fd5a21eea62.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	9WS9UALPBP1HUKG35YO3BO7T2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	GYZ87TJ6TG2YQGLFG.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\VideoBiosVersion	9WS9UALPBP1HUKG35YO3BO7T2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	GYZ87TJ6TG2YQGLFG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	GYZ87TJ6TG2YQGLFG.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f9e2b46c1601d8ba03f09fd5a21eea62.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f9e2b46c1601d8ba03f09fd5a21eea62.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	9WS9UALPBP1HUKG35YO3BO7T2.exe

Executes dropped EXE 2 IoCs

pid	Process
2616	9WS9UALPBP1HUKG35YO3BO7T2.exe
2688	GYZ87TJ6TG2YQGLFG.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	f9e2b46c1601d8ba03f09fd5a21eea62.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	9WS9UALPBP1HUKG35YO3BO7T2.exe
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	GYZ87TJ6TG2YQGLFG.exe

Loads dropped DLL 3 IoCs

pid	Process
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
3028	f9e2b46c1601d8ba03f09fd5a21eea62.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	9WS9UALPBP1HUKG35YO3BO7T2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	9WS9UALPBP1HUKG35YO3BO7T2.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
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
2616	9WS9UALPBP1HUKG35YO3BO7T2.exe
2688	GYZ87TJ6TG2YQGLFG.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	f9e2b46c1601d8ba03f09fd5a21eea62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9WS9UALPBP1HUKG35YO3BO7T2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GYZ87TJ6TG2YQGLFG.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe
2616	9WS9UALPBP1HUKG35YO3BO7T2.exe
2688	GYZ87TJ6TG2YQGLFG.exe
2616	9WS9UALPBP1HUKG35YO3BO7T2.exe
2616	9WS9UALPBP1HUKG35YO3BO7T2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	9WS9UALPBP1HUKG35YO3BO7T2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 2616	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	31
PID 3028 wrote to memory of 2616	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	31
PID 3028 wrote to memory of 2616	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	31
PID 3028 wrote to memory of 2616	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	31
PID 3028 wrote to memory of 2688	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	32
PID 3028 wrote to memory of 2688	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	32
PID 3028 wrote to memory of 2688	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	32
PID 3028 wrote to memory of 2688	3028	f9e2b46c1601d8ba03f09fd5a21eea62.exe	32

C:\Users\Admin\AppData\Local\Temp\f9e2b46c1601d8ba03f09fd5a21eea62.exe
"C:\Users\Admin\AppData\Local\Temp\f9e2b46c1601d8ba03f09fd5a21eea62.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:3028
- C:\Users\Admin\AppData\Local\Temp\9WS9UALPBP1HUKG35YO3BO7T2.exe
  "C:\Users\Admin\AppData\Local\Temp\9WS9UALPBP1HUKG35YO3BO7T2.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:2616
- C:\Users\Admin\AppData\Local\Temp\GYZ87TJ6TG2YQGLFG.exe
  "C:\Users\Admin\AppData\Local\Temp\GYZ87TJ6TG2YQGLFG.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:2688

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\9WS9UALPBP1HUKG35YO3BO7T2.exe

Filesize
1.7MB

MD5
a5f5306454959cc92379287fa8f99a9a

SHA1
6a339fd816392b7683bb7ab9c694340bef5aab67

SHA256
b11c07bbbedbe1d3df654b2f26362dce51c0eaef9bc7a87617cd3d300341a72a

SHA512
65865f0f8461845b40b75319096cdbabcf567664f1b0cae0f82c4bc6cb64bcbd748b6e9ebaba60eb35fc35a3415cc8278f29f98bf91d22eb39fc9598d92d6c24

Download Submit
\Users\Admin\AppData\Local\Temp\GYZ87TJ6TG2YQGLFG.exe

Filesize
2.8MB

MD5
c8b363548ff963b9eaefdcf0ab866e99

SHA1
d3e0fa20ca34e90e5640d30cfd56e7c4b941e917

SHA256
1b5103442d7f0ee79daa29f46c1b3bd6ad65e1f844616441e05c592198ebf7f2

SHA512
5e69aa93ee6bd2fe29464cf0c07026cefcab515c4217cd6eaa37fe7fb36ceee37a68242625e2fdd70efdc4bdf2cecbb9727189a6f2b3f21138fd6378ad33d3cf

Download Submit
memory/2616-18-0x00000000010B0000-0x0000000001508000-memory.dmp

Filesize
4.3MB

Download
memory/2616-33-0x00000000010B0000-0x0000000001508000-memory.dmp

Filesize
4.3MB

Download
memory/2616-30-0x00000000010B0000-0x0000000001508000-memory.dmp

Filesize
4.3MB

Download
memory/2616-16-0x00000000010B0000-0x0000000001508000-memory.dmp

Filesize
4.3MB

Download
memory/2616-17-0x00000000010B0000-0x0000000001508000-memory.dmp

Filesize
4.3MB

Download
memory/2688-29-0x0000000001180000-0x000000000167D000-memory.dmp

Filesize
5.0MB

Download
memory/2688-28-0x0000000001180000-0x000000000167D000-memory.dmp

Filesize
5.0MB

Download
memory/3028-5-0x0000000001200000-0x00000000016A7000-memory.dmp

Filesize
4.7MB

Download
memory/3028-14-0x0000000006340000-0x0000000006798000-memory.dmp

Filesize
4.3MB

Download
memory/3028-15-0x0000000006340000-0x0000000006798000-memory.dmp

Filesize
4.3MB

Download
memory/3028-19-0x0000000001200000-0x00000000016A7000-memory.dmp

Filesize
4.7MB

Download
memory/3028-0-0x0000000001200000-0x00000000016A7000-memory.dmp

Filesize
4.7MB

Download
memory/3028-4-0x0000000001200000-0x00000000016A7000-memory.dmp

Filesize
4.7MB

Download
memory/3028-26-0x0000000006340000-0x000000000683D000-memory.dmp

Filesize
5.0MB

Download
memory/3028-25-0x0000000001200000-0x00000000016A7000-memory.dmp

Filesize
4.7MB

Download
memory/3028-3-0x0000000001200000-0x00000000016A7000-memory.dmp

Filesize
4.7MB

Download
memory/3028-2-0x0000000001201000-0x0000000001226000-memory.dmp

Filesize
148KB

Download
memory/3028-1-0x0000000076FA0000-0x0000000076FA2000-memory.dmp

Filesize
8KB

Download