lumma | 6ac3c36bd2b04f02d5606cc0ead01ee799ef556576e114697a9f187365934b76

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2025, 17:56

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General

Target

LoaderV.exe
Size

533KB
MD5

0eb2417e9736156789f14cda37ad23a3
SHA1

440785be5dabeb7ad226da15d632616dc02a4193
SHA256

315bc3199d2aa46f94d767d13a69ff098829735380180ead1197b63118b03681
SHA512

5fc58855eb23aafe21ce5e010222d47b3c51d5f4914e61bde1d71a7ead1403afbf287e627eaf78e03d01fcc8def6de11ede3d516c754b68d5976d19a029cf081
SSDEEP

12288:Qp9ZgK/sfdXw3KdFc23S5z14+NYUCaEZCbBLzY74RiCOEO:Xwp2C5Z4VBGtY7+nOt

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 920 set thread context of 3260	920	LoaderV.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1056	920	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	LoaderV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LoaderV.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83
PID 920 wrote to memory of 3260	920	LoaderV.exe	83

C:\Users\Admin\AppData\Local\Temp\LoaderV.exe
"C:\Users\Admin\AppData\Local\Temp\LoaderV.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- C:\Users\Admin\AppData\Local\Temp\LoaderV.exe
  "C:\Users\Admin\AppData\Local\Temp\LoaderV.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3260
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 768
  2⤵
  - Program crash
  PID:1056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 920 -ip 920
1⤵
PID:548

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

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Downloads

memory/920-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/920-1-0x0000000000590000-0x000000000061A000-memory.dmp

Filesize
552KB

Download
memory/920-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/920-7-0x0000000074CB0000-0x0000000075460000-memory.dmp

Filesize
7.7MB

Download
memory/3260-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3260-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3260-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download