lumma | bf5a7c45acb967fd5245aa00d88634aece445c298d783add2c5158b30ab726ac

Analysis

max time kernel
94s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 15:09

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General

Target

loader.exe
Size

502KB
MD5

b8c9ebe29974dcb1dc86a2824761e81f
SHA1

27f0f4b99d4d133202375676162772728e2a521d
SHA256

bf5a7c45acb967fd5245aa00d88634aece445c298d783add2c5158b30ab726ac
SHA512

b3d2a6781ddee7ca4a4011674105818a68025f820bc4b7bdb83097df7b0cd276d3b5b849c5cb669b10d048f7e99aa4951da51203fb98475e63f4e14babb14178
SSDEEP

12288:gtGd6u3kxI05BOacVyXiIteS1D1wFobtFPFEuo8:gYb3owVydtFPFE1

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://benefictioraikiitso.xyz/api

https://singerreasonnbasldd.xyz/api

https://surprisedscaledowp.xyz/api

https://clerkpolicemandwusi.xyz/api

https://matterrydamagedowkds.xyz/api

https://fiondationkvowos.xyz/api

https://voyagedprivillywk.xyz/api

https://spitechallengddwlsv.xyz/api

https://varitycookypowerw.xyz/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2988 set thread context of 1080	2988	loader.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
932	2988	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	loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 2936	2988	loader.exe	83
PID 2988 wrote to memory of 2936	2988	loader.exe	83
PID 2988 wrote to memory of 2936	2988	loader.exe	83
PID 2988 wrote to memory of 2996	2988	loader.exe	84
PID 2988 wrote to memory of 2996	2988	loader.exe	84
PID 2988 wrote to memory of 2996	2988	loader.exe	84
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85
PID 2988 wrote to memory of 1080	2988	loader.exe	85

C:\Users\Admin\AppData\Local\Temp\loader.exe
"C:\Users\Admin\AppData\Local\Temp\loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2936
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1080
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2988 -s 312
  2⤵
  - Program crash
  PID:932

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2988 -ip 2988
1⤵
PID:628

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

Replay Monitor

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Downloads

memory/1080-1-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1080-3-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1080-4-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/1080-5-0x0000000000400000-0x0000000000459000-memory.dmp

Filesize
356KB

Download
memory/2988-0-0x00000000011D0000-0x00000000011D1000-memory.dmp

Filesize
4KB

Download