lumma | 4bbf25acfe56a5108ad9c90d3586f28a4bf58b2a032f8a6b30fbeb96b7c35ec0

Analysis

max time kernel
148s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2024, 01:49

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General

Target
back.exe
Size 508KB
Sample240707-b8n2rssfna
SHA256 4bbf25acfe56a5108ad9c90d3586f28a4bf58b2a032f8a6b30fbeb96b7c35ec0
MD5 828db3f05fb04961a7787b56d7040332
SHA1 6824f8bc1f1874a65dc383d6d8c3b357ee74b232
SHA512 51c60576d6ff8d768eb2150a0efd0072203f60ac73a1f8844f78341316093d54131175f87a7ae8333bfbafae6cd14e37968b4ce91c92c18b5f9c2b87ab4876f6
SSDEEP 6144:wPiIYs5NgW3IPHKSv0oMCkpmcYr29wnxAxCrVa6ot6ifWoU7iaJAP2d+PwpWDMEK:uKs5NgWCvNNCEixChEdRUO8pQq8JtXy
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma discovery spyware stealer

Malware Config

Extracted

Family

lumma

https://arritswpoewroso.shop/api

Signatures

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
Reads user/profile data of web browsers 2 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
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 SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1028 set thread context of 4196	1028	back.exe	86

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4628	1028	WerFault.exe	81

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4196	RegAsm.exe
4196	RegAsm.exe
4196	RegAsm.exe
4196	RegAsm.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86
PID 1028 wrote to memory of 4196	1028	back.exe	86

C:\Users\Admin\AppData\Local\Temp\back.exe
"C:\Users\Admin\AppData\Local\Temp\back.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 300
  2⤵
  - Program crash
  PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1028 -ip 1028
1⤵
PID:4996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1028-0-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

Download

memory/4196-1-0x0000000000400000-0x0000000000459000-memory.dmp

Download

memory/4196-3-0x0000000000400000-0x0000000000459000-memory.dmp

Download

memory/4196-4-0x0000000000400000-0x0000000000459000-memory.dmp

Download

memory/4196-5-0x0000000000400000-0x0000000000459000-memory.dmp

Download