lumma | 2fcd09bbfac5cc99d930089a45b85e04e71dfa1cf75df14b14be18a7b68fabc4

Analysis

max time kernel
101s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
22/08/2024, 16:46

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General

Target

2fa5c9b3973341bb4ae72c895bd2a550N.exe
Size

286KB
MD5

2fa5c9b3973341bb4ae72c895bd2a550
SHA1

01a662e1e8a00ff2fbe802d1d479ec6beb5d98b0
SHA256

2fcd09bbfac5cc99d930089a45b85e04e71dfa1cf75df14b14be18a7b68fabc4
SHA512

5f567b49174e9c4d68a7abe6553a07a22fafcee681af2e474ca1a6d5cc728ccd2560939acc1f14532c352fd5e92ca655157edd2ea13e0a7992eb65092fa4a91d
SSDEEP

6144:wl2XyAhSC7y3mHYHgRRH8QJv7ZwbULt8iNOYlyOETEO:hXyyu3mGgHcilwbULttNF0OETEO

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://drinnkysoapmzv.shop/api

https://potentioallykeos.shop/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 1520 set thread context of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1564	4300	WerFault.exe	85

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	2fa5c9b3973341bb4ae72c895bd2a550N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 2132	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	84
PID 1520 wrote to memory of 2132	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	84
PID 1520 wrote to memory of 2132	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	84
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85
PID 1520 wrote to memory of 4300	1520	2fa5c9b3973341bb4ae72c895bd2a550N.exe	85

C:\Users\Admin\AppData\Local\Temp\2fa5c9b3973341bb4ae72c895bd2a550N.exe
"C:\Users\Admin\AppData\Local\Temp\2fa5c9b3973341bb4ae72c895bd2a550N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2132
- 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:4300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1236
    3⤵
    - Program crash
    PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4300 -ip 4300
1⤵
PID:1324

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

memory/1520-0-0x000000007537E000-0x000000007537F000-memory.dmp

Filesize
4KB

Download
memory/1520-1-0x0000000000E40000-0x0000000000E8A000-memory.dmp

Filesize
296KB

Download
memory/1520-7-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/1520-10-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/4300-3-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4300-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4300-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4300-9-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download