lumma | d5f7914a93766c8a1946e34388e0a35433e489ecca12a43cc8b5af1b01028b39

Analysis

max time kernel
93s
max time network
143s
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, 14:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

freeh.exe
Size

11.1MB
MD5

3ae58d01ddf868998a69cce47ba09835
SHA1

eab8b2bf9fb8110d9e5f5242527a594888576106
SHA256

d493b9b04b220831949c9cc49fa87c268e3327cefcc41d19c0dfc59f150c021b
SHA512

c044e8f8f402697919042540b03aa4722367fa6f3bb1d1855cdd88ab13a02b7e4416d9945cc86a2381eb15b336b4c720c25972fbc3c7ed742ccbbc8916721884
SSDEEP

12288:qprynNamom0VdpHJXdjn2yW4iH9+jPmQJP3lxTAvK:qpryvoX3pp1fW4RDmQJ/zTAC

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 3380 set thread context of 2608	3380	freeh.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
924	3380	WerFault.exe	81

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	freeh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	freeh.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 4380	3380	freeh.exe	82
PID 3380 wrote to memory of 4380	3380	freeh.exe	82
PID 3380 wrote to memory of 4380	3380	freeh.exe	82
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83
PID 3380 wrote to memory of 2608	3380	freeh.exe	83

C:\Users\Admin\AppData\Local\Temp\freeh.exe
"C:\Users\Admin\AppData\Local\Temp\freeh.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Users\Admin\AppData\Local\Temp\freeh.exe
  "C:\Users\Admin\AppData\Local\Temp\freeh.exe"
  2⤵
  PID:4380
- C:\Users\Admin\AppData\Local\Temp\freeh.exe
  "C:\Users\Admin\AppData\Local\Temp\freeh.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 848
  2⤵
  - Program crash
  PID:924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3380 -ip 3380
1⤵
PID:3460

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

Loading Replay Monitor...

Downloads

memory/2608-4-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2608-6-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2608-8-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3380-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/3380-1-0x0000000000360000-0x00000000003EE000-memory.dmp

Filesize
568KB

Download
memory/3380-2-0x00000000052A0000-0x0000000005844000-memory.dmp

Filesize
5.6MB

Download
memory/3380-7-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download