lumma | a2480b11ad87b6c98776b74d0ca75739559c6d357ddcc786bbf5565f91154095

Analysis

max time kernel
93s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2025, 14:58

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General

Target

Installer.exe
Size

541KB
MD5

c13ae6f97f5518fe8ca5b09f6aeb4c68
SHA1

d9219dade233d3cb0c59f57e4400dbff8e08eb66
SHA256

a2480b11ad87b6c98776b74d0ca75739559c6d357ddcc786bbf5565f91154095
SHA512

d5edf8397b686cdc12fe901739c88769386c06e108e8e61a9e1b14cf1abc78ac9edefc0b9e4b8d5595e47fdb0c2ef9155010ce643ebe1913b0a207620e567506
SSDEEP

12288:jY6R+JQXjAnN3ykQO4L3yq7HFe9/jAoaLSsysL2nmb0j:1TARQOS3ySY9/jA2l+0

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://toppyneedus.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 3104	1224	Installer.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4052	1224	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	Installer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Installer.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83
PID 1224 wrote to memory of 3104	1224	Installer.exe	83

C:\Users\Admin\AppData\Local\Temp\Installer.exe
"C:\Users\Admin\AppData\Local\Temp\Installer.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Users\Admin\AppData\Local\Temp\Installer.exe
  "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3104
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1224 -s 828
  2⤵
  - Program crash
  PID:4052

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1224 -ip 1224
1⤵
PID:4948

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/1224-0-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/1224-1-0x0000000000D90000-0x0000000000E1E000-memory.dmp

Filesize
568KB

Download
memory/1224-2-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/1224-7-0x00000000746F0000-0x0000000074EA0000-memory.dmp

Filesize
7.7MB

Download
memory/3104-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3104-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3104-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download