lumma | 8fd92d64013a6dd6515579aa3053ba21abd4413b014c8ab23b91657b92960363

Analysis

max time kernel
33s
max time network
35s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2024, 07:18

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General

Target

Installer/Installer.exe
Size

3.7MB
MD5

640236b179a4c7c40776a6a252f95b1a
SHA1

f9b1ded41de3df7d7b736d15b6944f37c432549e
SHA256

a0f93aca0dc6a1122b85893383c6ab1ee25a6f2c2a0d86cb419cc2c68e27243b
SHA512

b5e7e05bc68ecba0917db7e28583dc5486e3cec9909bfc1be51fad3c38f7b9b82bf56389512313154b0dd02d7a7fe2c4cd1984a219eecd7e6f3aec9c3618ec5d
SSDEEP

49152:8cnd825pb/8zDoGH2VdjrTURpKes/43A2mVn33usLMS:8X2H7ERCjrTgpKes43A2mR33/gS

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
2096	rundll32.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 2796	2096	rundll32.exe	85

System Location Discovery: System Language Discovery 1 TTPs 4 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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 4628	1616	Installer.exe	83
PID 1616 wrote to memory of 4628	1616	Installer.exe	83
PID 1616 wrote to memory of 4628	1616	Installer.exe	83
PID 4628 wrote to memory of 2096	4628	cmd.exe	84
PID 4628 wrote to memory of 2096	4628	cmd.exe	84
PID 4628 wrote to memory of 2096	4628	cmd.exe	84
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85
PID 2096 wrote to memory of 2796	2096	rundll32.exe	85

C:\Users\Admin\AppData\Local\Temp\Installer\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\Installer\Installer.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Roaming\msvcp110.dll,GetGameData
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4628
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe C:\Users\Admin\AppData\Roaming\msvcp110.dll,GetGameData
    3⤵
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2096
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      4⤵
      System Location Discovery: System Language Discovery
      PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Roaming\msvcp110.dll

Filesize
572KB

MD5
66415b5c83f033ece5b0c2998a85955c

SHA1
2f97a1aaec83f6184be73eda0c7c8ee9ecdbb5d4

SHA256
659dbed3d2527701515c0f22d95bda9e0bec1353bf1e9ae34858a8f00b84e4b2

SHA512
26196286e3e74263988b66790baaad4bda0e505316a930400cc8c522865f1af9e49e1042011dff18783dacad42ade6377c7f9866367a89aa9ddbab463e3cda85

Download Submit
memory/1616-6-0x00000000775E1000-0x0000000077701000-memory.dmp

Filesize
1.1MB

Download
memory/2796-10-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2796-12-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2796-13-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2796-14-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download