lumma | cec70d29baa94f9bccf2c4ebd4a0acd661413561129b1ae43ccc9b31ffef91aa

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2025, 05:14

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General

Target

Solara.exe
Size

512KB
MD5

3ef15046b94f9d359f066f84c740edde
SHA1

5895a89064d57b7272dc0075838c48b2449da637
SHA256

cec70d29baa94f9bccf2c4ebd4a0acd661413561129b1ae43ccc9b31ffef91aa
SHA512

e4f94e513b1b6fa34108b1e1bd83950f16943e1262663d02d56f178f02b7926e9b72ac3cb3442a4ad2fafd9d02103d74993f5913a72a0c90108c4b122d38f3ee
SSDEEP

12288:Pj/MhZMZ8xVm3Tywsu6jxfDV1OZzMqW97YZzGlt2EJNAJ:yuZ8fmOwsPfDV1Oc97G0AJ

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

.NET Reactor proctector 1 IoCs

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

resource	yara_rule
behavioral2/memory/3344-1-0x0000000000690000-0x0000000000712000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3344 set thread context of 1004	3344	Solara.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4536	3344	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	Solara.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Solara.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83
PID 3344 wrote to memory of 1004	3344	Solara.exe	83

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3344
- C:\Users\Admin\AppData\Local\Temp\Solara.exe
  "C:\Users\Admin\AppData\Local\Temp\Solara.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3344 -s 812
  2⤵
  - Program crash
  PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3344 -ip 3344
1⤵
PID:2824

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/1004-4-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1004-6-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1004-8-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/3344-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/3344-1-0x0000000000690000-0x0000000000712000-memory.dmp

Filesize
520KB

Download
memory/3344-2-0x0000000005490000-0x0000000005A34000-memory.dmp

Filesize
5.6MB

Download
memory/3344-7-0x00000000743C0000-0x0000000074B70000-memory.dmp

Filesize
7.7MB

Download