lumma | f492c7f1d585c855f684b1d4c7637751c2d4479469f9b05b377a6578b24763aa

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/12/2024, 03:37

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General

Target

xnsjjxja.exe
Size

1.0MB
MD5

fca874fcb9f344ec26f3ae4d359e75d7
SHA1

f21315cd57ec269b43d6afba58febe39793b72f2
SHA256

56fc365c91e437d19a582a267bfee66ae4d2b4e8c9b039523119d7c9dc6c9fce
SHA512

26b15070ebd0cce7a9c4b2f9188bf5a0fbc30724ffbb48c590e7f2379af896ef05e5a2f8f39462c50aaaa91c57f36394b54453a97b9f779aad379f5d24db8e0e
SSDEEP

24576:1+BNeMxzXC64aUn+EbWKpFOEMalcU3Aa2FTL3JkMt4Qe1CqxO9zTp:cLDxzXC64aUnqKpHlv3Al7JH4t1CUy

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://servicedny.site/api

https://authorisev.site/api

https://faulteyotk.site/api

https://dilemmadu.site/api

https://contemteny.site/api

https://goalyfeastz.site/api

https://opposezmny.site/api

https://seallysl.site/api

https://forbidstow.site/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 1260 set thread context of 2548	1260	xnsjjxja.exe	31

Program crash 1 IoCs

pid	pid_target	Process
2532	2548	WerFault.exe

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

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 1260 wrote to memory of 2548	1260	xnsjjxja.exe	31
PID 2548 wrote to memory of 2532	2548	xnsjjxja.exe	32
PID 2548 wrote to memory of 2532	2548	xnsjjxja.exe	32
PID 2548 wrote to memory of 2532	2548	xnsjjxja.exe	32
PID 2548 wrote to memory of 2532	2548	xnsjjxja.exe	32

C:\Users\Admin\AppData\Local\Temp\xnsjjxja.exe
"C:\Users\Admin\AppData\Local\Temp\xnsjjxja.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\xnsjjxja.exe
  "C:\Users\Admin\AppData\Local\Temp\xnsjjxja.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2548
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2548 -s 148
    3⤵
    - Program crash
    PID:2532

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/1260-0-0x00000000011FE000-0x00000000011FF000-memory.dmp

Filesize
4KB

Download
memory/2548-13-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2548-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-11-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2548-8-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2548-5-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2548-3-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2548-2-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/2548-1-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download