lumma | 920226a25d102c354672c1c004a9551087f392d352077e8b7c82b973b6068267

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-11-2024 15:56

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General

Target

libsrv32.exe
Size

3.8MB
MD5

ea0336aaa24742c774ca8713132c7b4d
SHA1

7df85e68177fb118eb1461d2dfc927198d458eb4
SHA256

920226a25d102c354672c1c004a9551087f392d352077e8b7c82b973b6068267
SHA512

0ae61cb6ee165caa4e9f6b72411b4e27bef52cc6684f697749cb94df0364a3bdd5f4103c21b7b1ffd75f385b8c968b000c06d59649cfe20cf78258003e2fb52c
SSDEEP

49152:K7/idr291YPqWomuHBVygwtqnw1b2b6xWXJf4WGdxT585/IUZl18vPksj:K7KB291YCWomEfygwthd2ukJf47d

Score

10^/10

lumma discovery persistence stealer

Malware Config

Extracted

Family

lumma

https://bab120witty.sbs/api

https://processhol.sbs/api

https://p10tgrace.sbs/api

https://peepburry828.sbs/api

https://3xp3cts1aim.sbs/api

https://p3ar11fter.sbs/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AbuscseEditorDesigner = "C:\\Users\\Admin\\Music\\AbuscseDesignUpdater\\AbuscseVideo.exe"	libsrv32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4696	4588	WerFault.exe	82
4196	4588	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 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	libsrv32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	libsrv32.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 2928	4588	libsrv32.exe	88
PID 4588 wrote to memory of 2928	4588	libsrv32.exe	88
PID 4588 wrote to memory of 2928	4588	libsrv32.exe	88
PID 4588 wrote to memory of 2928	4588	libsrv32.exe	88
PID 4588 wrote to memory of 2928	4588	libsrv32.exe	88

C:\Users\Admin\AppData\Local\Temp\libsrv32.exe
"C:\Users\Admin\AppData\Local\Temp\libsrv32.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Users\Admin\AppData\Local\Temp\libsrv32.exe
  "C:\Users\Admin\AppData\Local\Temp\libsrv32.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 284
  2⤵
  - Program crash
  PID:4696
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4588 -s 152
  2⤵
  - Program crash
  PID:4196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4588 -ip 4588
1⤵
PID:1724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4588 -ip 4588
1⤵
PID:3020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2928-7-0x00000000007D0000-0x000000000082F000-memory.dmp

Filesize
380KB

Download
memory/2928-17-0x00000000007D0000-0x000000000082F000-memory.dmp

Filesize
380KB

Download
memory/2928-12-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/2928-11-0x00000000007D0000-0x000000000082F000-memory.dmp

Filesize
380KB

Download
memory/4588-8-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4588-9-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4588-1-0x00000000004F3000-0x000000000050C000-memory.dmp

Filesize
100KB

Download
memory/4588-6-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4588-5-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4588-0-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4588-4-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4588-13-0x00000000004F3000-0x000000000050C000-memory.dmp

Filesize
100KB

Download
memory/4588-15-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download
memory/4588-16-0x00000000004F3000-0x000000000050C000-memory.dmp

Filesize
100KB

Download
memory/4588-3-0x0000000000400000-0x00000000007C8000-memory.dmp

Filesize
3.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads