lumma | f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 07:27

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General

Target

f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
Size

1.8MB
MD5

2c5731acf7a22df6528aa75185b8f14e
SHA1

d4ad6e16ee55deef42b64da81dbeb1fedfc03701
SHA256

f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352
SHA512

dd512b0d188ec1db5cfec6efb08bf365f9277dcd8374c6bbcb13055c2428a8adb8b9bcf83ec91f3dd314d75ff6b2a3db2c8e3ba85b8a434db9303ed6e1a34976
SSDEEP

49152:omB4vujun/cYnV4+TbrzAIfJ+ZAr3cyl6yiBERw0Xd:om6P/JnuybRRgAr3cyl6yiCG0t

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
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	G6Z69WSDHFT42GV9YGJU34YNMFUN.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__	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	OF7SNOSNS8IP3SYSMH.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	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	OF7SNOSNS8IP3SYSMH.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	OF7SNOSNS8IP3SYSMH.exe

Executes dropped EXE 2 IoCs

pid	Process
2700	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
2668	OF7SNOSNS8IP3SYSMH.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	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine	OF7SNOSNS8IP3SYSMH.exe

Loads dropped DLL 3 IoCs

pid	Process
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.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	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	G6Z69WSDHFT42GV9YGJU34YNMFUN.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
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2700	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
2668	OF7SNOSNS8IP3SYSMH.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	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OF7SNOSNS8IP3SYSMH.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
2700	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
2700	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
2700	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
2668	OF7SNOSNS8IP3SYSMH.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	G6Z69WSDHFT42GV9YGJU34YNMFUN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 2700	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	32
PID 2832 wrote to memory of 2700	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	32
PID 2832 wrote to memory of 2700	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	32
PID 2832 wrote to memory of 2700	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	32
PID 2832 wrote to memory of 2668	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	33
PID 2832 wrote to memory of 2668	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	33
PID 2832 wrote to memory of 2668	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	33
PID 2832 wrote to memory of 2668	2832	f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe	33

C:\Users\Admin\AppData\Local\Temp\f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.exe
"C:\Users\Admin\AppData\Local\Temp\f7c4623e11531dc98466b80de533eac519943fc5abd0f782eca5fda876db0352.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:2832
- C:\Users\Admin\AppData\Local\Temp\G6Z69WSDHFT42GV9YGJU34YNMFUN.exe
  "C:\Users\Admin\AppData\Local\Temp\G6Z69WSDHFT42GV9YGJU34YNMFUN.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:2700
- C:\Users\Admin\AppData\Local\Temp\OF7SNOSNS8IP3SYSMH.exe
  "C:\Users\Admin\AppData\Local\Temp\OF7SNOSNS8IP3SYSMH.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:2668

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\OF7SNOSNS8IP3SYSMH.exe

Filesize
2.8MB

MD5
1834fd0a9d839041b623e78a444005ff

SHA1
2eba3d690721acebe7cdf339ed47e4c1be15e905

SHA256
e1ac3513342f92bc600fde6c4272210039d3641073351483f6603cce86506a2e

SHA512
5cde4c971ffa6ac93e9747cbc7d7dcd9c44fe759486129e3f868a22ee61a3d361431c95b7c0db53a3872489a06e23ae37955effeb2514c26f8bdc37d5d212bfe

Download Submit
\Users\Admin\AppData\Local\Temp\G6Z69WSDHFT42GV9YGJU34YNMFUN.exe

Filesize
1.7MB

MD5
9398db09151d852106049da4589c336a

SHA1
c878de0293e96d37032b0f946fb284c9dda18988

SHA256
21b64a9576afa3a6c7700d82f525997ee007722faf1f2944b6dc4fdf2a65fcaf

SHA512
1050852914a054b2b9e38bde66d504a75c75657e4a61a68e1869286b48589b985db1400ceccfe98f2526b60118758346e64b78b7f0410b1519cece37d4ec035f

Download Submit
memory/2668-31-0x0000000000B20000-0x0000000001020000-memory.dmp

Filesize
5.0MB

Download
memory/2668-29-0x0000000000B20000-0x0000000001020000-memory.dmp

Filesize
5.0MB

Download
memory/2700-19-0x0000000000820000-0x0000000000C78000-memory.dmp

Filesize
4.3MB

Download
memory/2700-35-0x0000000000820000-0x0000000000C78000-memory.dmp

Filesize
4.3MB

Download
memory/2700-32-0x0000000000820000-0x0000000000C78000-memory.dmp

Filesize
4.3MB

Download
memory/2700-20-0x0000000000820000-0x0000000000C78000-memory.dmp

Filesize
4.3MB

Download
memory/2700-18-0x0000000000820000-0x0000000000C78000-memory.dmp

Filesize
4.3MB

Download
memory/2832-5-0x00000000000E0000-0x0000000000577000-memory.dmp

Filesize
4.6MB

Download
memory/2832-15-0x00000000000E0000-0x0000000000577000-memory.dmp

Filesize
4.6MB

Download
memory/2832-14-0x0000000006340000-0x0000000006798000-memory.dmp

Filesize
4.3MB

Download
memory/2832-17-0x0000000006340000-0x0000000006798000-memory.dmp

Filesize
4.3MB

Download
memory/2832-6-0x00000000000E0000-0x0000000000577000-memory.dmp

Filesize
4.6MB

Download
memory/2832-21-0x00000000000E0000-0x0000000000577000-memory.dmp

Filesize
4.6MB

Download
memory/2832-0-0x00000000000E0000-0x0000000000577000-memory.dmp

Filesize
4.6MB

Download
memory/2832-28-0x0000000006340000-0x0000000006840000-memory.dmp

Filesize
5.0MB

Download
memory/2832-4-0x00000000000E0000-0x0000000000577000-memory.dmp

Filesize
4.6MB

Download
memory/2832-3-0x00000000000E0000-0x0000000000577000-memory.dmp

Filesize
4.6MB

Download
memory/2832-2-0x00000000000E1000-0x0000000000106000-memory.dmp

Filesize
148KB

Download
memory/2832-1-0x0000000077880000-0x0000000077882000-memory.dmp

Filesize
8KB

Download