lumma | 97a2a9c0ce9a191ac84e691df3f420cc0c690e9e14a029fdc9095cc2ed3490ec

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
18-12-2024 10:42

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General

Target

random.exe.2.exe
Size

1.8MB
MD5

f27c02c94206a5a0d4a9757a1fd227e8
SHA1

190e7db56069335863f6bdc512b471ec23a2e31a
SHA256

97a2a9c0ce9a191ac84e691df3f420cc0c690e9e14a029fdc9095cc2ed3490ec
SHA512

ccd6700d1dbd23442a7c51751d00e41c67de259c5cb21bc01faf8db0acbc99e977938f0eee62bb50cadc7c2012239609a5600707c48f4653deb16caf7588c00b
SSDEEP

49152:Wn123sUWoL8ctWSeYBB+RXjQ7e574aic0:828kcXTXBG

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	JJE4C0SEE3JXJVH9YR5D.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	JJE4C0SEE3JXJVH9YR5D.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	JJE4C0SEE3JXJVH9YR5D.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	JJE4C0SEE3JXJVH9YR5D.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	JJE4C0SEE3JXJVH9YR5D.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	JJE4C0SEE3JXJVH9YR5D.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__	JJE4C0SEE3JXJVH9YR5D.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2PMB8628PSP9LWZZETER6UZLSQ.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	random.exe.2.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	random.exe.2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	JJE4C0SEE3JXJVH9YR5D.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	JJE4C0SEE3JXJVH9YR5D.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2PMB8628PSP9LWZZETER6UZLSQ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2PMB8628PSP9LWZZETER6UZLSQ.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	random.exe.2.exe

Executes dropped EXE 2 IoCs

pid	Process
2824	JJE4C0SEE3JXJVH9YR5D.exe
2336	2PMB8628PSP9LWZZETER6UZLSQ.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-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	random.exe.2.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	JJE4C0SEE3JXJVH9YR5D.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Wine	2PMB8628PSP9LWZZETER6UZLSQ.exe

Loads dropped DLL 3 IoCs

pid	Process
1748	random.exe.2.exe
1748	random.exe.2.exe
1748	random.exe.2.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	JJE4C0SEE3JXJVH9YR5D.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	JJE4C0SEE3JXJVH9YR5D.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
1748	random.exe.2.exe
2824	JJE4C0SEE3JXJVH9YR5D.exe
2336	2PMB8628PSP9LWZZETER6UZLSQ.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	random.exe.2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JJE4C0SEE3JXJVH9YR5D.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2PMB8628PSP9LWZZETER6UZLSQ.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1748	random.exe.2.exe
1748	random.exe.2.exe
1748	random.exe.2.exe
1748	random.exe.2.exe
1748	random.exe.2.exe
2824	JJE4C0SEE3JXJVH9YR5D.exe
2336	2PMB8628PSP9LWZZETER6UZLSQ.exe
2824	JJE4C0SEE3JXJVH9YR5D.exe
2824	JJE4C0SEE3JXJVH9YR5D.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2824	JJE4C0SEE3JXJVH9YR5D.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2824	1748	random.exe.2.exe	31
PID 1748 wrote to memory of 2824	1748	random.exe.2.exe	31
PID 1748 wrote to memory of 2824	1748	random.exe.2.exe	31
PID 1748 wrote to memory of 2824	1748	random.exe.2.exe	31
PID 1748 wrote to memory of 2336	1748	random.exe.2.exe	32
PID 1748 wrote to memory of 2336	1748	random.exe.2.exe	32
PID 1748 wrote to memory of 2336	1748	random.exe.2.exe	32
PID 1748 wrote to memory of 2336	1748	random.exe.2.exe	32

C:\Users\Admin\AppData\Local\Temp\random.exe.2.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe.2.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:1748
- C:\Users\Admin\AppData\Local\Temp\JJE4C0SEE3JXJVH9YR5D.exe
  "C:\Users\Admin\AppData\Local\Temp\JJE4C0SEE3JXJVH9YR5D.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:2824
- C:\Users\Admin\AppData\Local\Temp\2PMB8628PSP9LWZZETER6UZLSQ.exe
  "C:\Users\Admin\AppData\Local\Temp\2PMB8628PSP9LWZZETER6UZLSQ.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:2336

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\2PMB8628PSP9LWZZETER6UZLSQ.exe

Filesize
2.8MB

MD5
a91e703f6e05180d79cb0693d4de870d

SHA1
5681a283819fb7421d20e3ebee9accbf4c0b6429

SHA256
baa95564008d8836029dc0f95dbf5fd86659c5b825f9f68d5f395b4aa56cece2

SHA512
7d10379c555a0e07f15b601bfddf00177178a362d6a3694d57b59c683631634e5825d242392c326c166b2c9f0c0b9d756079e23019a4ac85a67b71e0ad9926ae

Download Submit
\Users\Admin\AppData\Local\Temp\JJE4C0SEE3JXJVH9YR5D.exe

Filesize
1.6MB

MD5
48958e8a5082bc9d4d30683bd4706836

SHA1
71c408641d34ce6e6db32479c51218b5843d69ef

SHA256
9fe00ba48a8e236f856bca6f761b70b52d59e71322e13141871717969f5c8566

SHA512
cb9bf66f3c65335c3fe9aad7b213283ad90099424a422b2c35d3bc0acf81eaac529309e639d3a7518644f061196729669a8f8affa3f16177c560adaea36d3d76

Download Submit
memory/1748-17-0x00000000012F0000-0x000000000178B000-memory.dmp

Filesize
4.6MB

Download
memory/1748-15-0x0000000006210000-0x0000000006654000-memory.dmp

Filesize
4.3MB

Download
memory/1748-4-0x00000000012F0000-0x000000000178B000-memory.dmp

Filesize
4.6MB

Download
memory/1748-5-0x00000000012F0000-0x000000000178B000-memory.dmp

Filesize
4.6MB

Download
memory/1748-6-0x00000000012F0000-0x000000000178B000-memory.dmp

Filesize
4.6MB

Download
memory/1748-2-0x00000000012F1000-0x0000000001316000-memory.dmp

Filesize
148KB

Download
memory/1748-14-0x0000000006210000-0x0000000006654000-memory.dmp

Filesize
4.3MB

Download
memory/1748-28-0x00000000012F0000-0x000000000178B000-memory.dmp

Filesize
4.6MB

Download
memory/1748-0-0x00000000012F0000-0x000000000178B000-memory.dmp

Filesize
4.6MB

Download
memory/1748-3-0x00000000012F0000-0x000000000178B000-memory.dmp

Filesize
4.6MB

Download
memory/1748-26-0x0000000006210000-0x000000000670D000-memory.dmp

Filesize
5.0MB

Download
memory/1748-1-0x0000000077C30000-0x0000000077C32000-memory.dmp

Filesize
8KB

Download
memory/2336-29-0x0000000000120000-0x000000000061D000-memory.dmp

Filesize
5.0MB

Download
memory/2336-31-0x0000000000120000-0x000000000061D000-memory.dmp

Filesize
5.0MB

Download
memory/2824-20-0x0000000000340000-0x0000000000784000-memory.dmp

Filesize
4.3MB

Download
memory/2824-19-0x0000000000340000-0x0000000000784000-memory.dmp

Filesize
4.3MB

Download
memory/2824-18-0x0000000000340000-0x0000000000784000-memory.dmp

Filesize
4.3MB

Download
memory/2824-32-0x0000000000340000-0x0000000000784000-memory.dmp

Filesize
4.3MB

Download
memory/2824-35-0x0000000000340000-0x0000000000784000-memory.dmp

Filesize
4.3MB

Download