lumma | c19ab09c794ba5b102deb47330e3806380b6f547f8f84564ec17491087cb9fbb

General

Target

boob.exe
Size

391KB
MD5

0f0da8c280a042a2d402eb0cd44118d6
SHA1

6be83472e2c0827b15ec819788298bb21f35c00a
SHA256

c19ab09c794ba5b102deb47330e3806380b6f547f8f84564ec17491087cb9fbb
SHA512

a54645fcdfb844bad2bf429f8d80a8a4dc41c99bcf896ecd6f25cc6b3341e23da72fb6376e17685f0bcb3ca62dd13fb641ec022cd724f51f0417aa109a88d960
SSDEEP

6144:Tux5lfopCjuxHCkCjiIFmZVNxNWU9kFXLcU1yeCkSjEgUQ+iGg0ZTYoe:45lwk4in2VfC9wAyNkQWQpGgqTYL

Score

10^/10

lumma discovery spyware stealer

Malware Config

Extracted

Family

lumma

C2

https://paleboreei.biz/api

Signatures

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

Downloads MZ/PE file 3 IoCs

flow	pid	Process
13	2992	boob.exe
40	2992	boob.exe
38	3220	Process not Found

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral2/memory/3604-1-0x0000000000DE0000-0x0000000000E48000-memory.dmp	net_reactor

Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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
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 3604 set thread context of 2992	3604	boob.exe	83

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3116	3604	WerFault.exe	82
3932	2992	WerFault.exe	83

System Location Discovery: System Language Discovery 1 TTPs 3 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	boob.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	boob.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3164	MicrosoftEdgeUpdate.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2992	boob.exe
2992	boob.exe
2992	boob.exe
2992	boob.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83
PID 3604 wrote to memory of 2992	3604	boob.exe	83

C:\Users\Admin\AppData\Local\Temp\boob.exe
"C:\Users\Admin\AppData\Local\Temp\boob.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Users\Admin\AppData\Local\Temp\boob.exe
  "C:\Users\Admin\AppData\Local\Temp\boob.exe"
  2⤵
  - Downloads MZ/PE file
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 1328
    3⤵
    - Program crash
    PID:3932
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 840
  2⤵
  - Program crash
  PID:3116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3604 -ip 3604
1⤵
PID:2504

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-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
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2992 -ip 2992
1⤵
PID:4668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2992-5-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2992-7-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2992-9-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2992-11-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2992-16-0x0000000004580000-0x0000000004A3F000-memory.dmp

Filesize
4.7MB

Download
memory/3604-0-0x000000007382E000-0x000000007382F000-memory.dmp

Filesize
4KB

Download
memory/3604-1-0x0000000000DE0000-0x0000000000E48000-memory.dmp

Filesize
416KB

Download
memory/3604-2-0x0000000005D10000-0x00000000062B6000-memory.dmp

Filesize
5.6MB

Download
memory/3604-3-0x0000000073820000-0x0000000073FD1000-memory.dmp

Filesize
7.7MB

Download
memory/3604-8-0x0000000073820000-0x0000000073FD1000-memory.dmp

Filesize
7.7MB

Download
memory/3604-10-0x0000000073820000-0x0000000073FD1000-memory.dmp

Filesize
7.7MB

Download

Analysis

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