lumma | 9c11c097d708312b0a43173749d4eb68cec4f8d4a4102e1345c0e80789da3e8c

Analysis

max time kernel
92s
max time network
99s
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 14:55

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General

Target

27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe
Size

326KB
MD5

adcbb5fa5706fb287f01370eb99e0d10
SHA1

2bff6fd096b95b1591259d223f7a0ced2bb1c79f
SHA256

27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700
SHA512

c2c9addbbbad6c678069874428ab54060550e583e018af9052a8445ee32bfb72586592711b6ae25d392378e50fdfb2ff9a6741d4aa4a5b15cd0b16176db0b8f1
SSDEEP

6144:Ns/IeaQRgAaVIEs1gsHKyDbrXtkD+yEl9WsAwT92ORxEO:qweRd11d5frdhyEl9WiT93EO

Score

10^/10

lumma stealc default credential_access discovery spyware stealer

Malware Config

Extracted

Family

stealc

Botnet

default

http://46.8.231.109

Attributes

url_path
/c4754d4f680ead72.php

Extracted

Family

lumma

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Stealc
Stealc is an infostealer written in C++.
stealer stealc
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
4924	AdminDAAAFBKECA.exe

Loads dropped DLL 2 IoCs

pid	Process
3696	RegAsm.exe
3696	RegAsm.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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 2 IoCs

description	pid	Process	procid_target
PID 556 set thread context of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 4924 set thread context of 4164	4924	AdminDAAAFBKECA.exe	89

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AdminDAAAFBKECA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	RegAsm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3696	RegAsm.exe
3696	RegAsm.exe
3696	RegAsm.exe
3696	RegAsm.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 1444	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	83
PID 556 wrote to memory of 1444	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	83
PID 556 wrote to memory of 1444	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	83
PID 556 wrote to memory of 4916	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	84
PID 556 wrote to memory of 4916	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	84
PID 556 wrote to memory of 4916	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	84
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 556 wrote to memory of 3696	556	27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe	85
PID 3696 wrote to memory of 3416	3696	RegAsm.exe	86
PID 3696 wrote to memory of 3416	3696	RegAsm.exe	86
PID 3696 wrote to memory of 3416	3696	RegAsm.exe	86
PID 3416 wrote to memory of 4924	3416	cmd.exe	88
PID 3416 wrote to memory of 4924	3416	cmd.exe	88
PID 3416 wrote to memory of 4924	3416	cmd.exe	88
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89
PID 4924 wrote to memory of 4164	4924	AdminDAAAFBKECA.exe	89

C:\Users\Admin\AppData\Local\Temp\27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe
"C:\Users\Admin\AppData\Local\Temp\27055280296d10b811b4d76456dbc5d29aac8b4fc33708fa47b36334e1d85700.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1444
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4916
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3696
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminDAAAFBKECA.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3416
  - - C:\Users\AdminDAAAFBKECA.exe
      "C:\Users\AdminDAAAFBKECA.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4924
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\AdminDAAAFBKECA.exe

Filesize
547KB

MD5
e2118034bd9a1cf6fa6d5d33da4553c2

SHA1
e099b23f1b9d946bd10e119b990d9fb639f30555

SHA256
c9b8299487ceb8d19fa9fed139c90b0f9f0bc0a3763954e24c2e6d62aaf22960

SHA512
a89a9bf429471ec2ac92d1334bd0955ed4949022af3bd75b835ad2f59b9890a7500211cd9a656c42217ed8d81dacbe8143d3e1aac97ce83dcbef93e8ca5ccc43

Download Submit
memory/556-7-0x0000000074A80000-0x0000000075230000-memory.dmp

Filesize
7.7MB

Download
memory/556-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/556-1-0x00000000008D0000-0x0000000000926000-memory.dmp

Filesize
344KB

Download
memory/3696-8-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3696-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3696-6-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3696-3-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3696-88-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/3696-93-0x0000000000400000-0x0000000000661000-memory.dmp

Filesize
2.4MB

Download
memory/4164-87-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4164-91-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4164-92-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/4924-89-0x0000000000E54000-0x0000000000E55000-memory.dmp

Filesize
4KB

Download