lumma | 493734fd3d2a36f848aa8c042a0537897b179679a4dd708329b80ccd13515c8c

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-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 2260 set thread context of 3032	2260	xnsjjxja.exe	32

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 10 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	xnsjjxja.exe	32
PID 2260 wrote to memory of 3032	2260	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:2260
- C:\Users\Admin\AppData\Local\Temp\xnsjjxja.exe
  "C:\Users\Admin\AppData\Local\Temp\xnsjjxja.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3032

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

C:\Users\Admin\AppData\Local\Temp\Cab39D7.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar3AB5.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2260-0-0x0000000000BBE000-0x0000000000BBF000-memory.dmp

Filesize
4KB

Download
memory/3032-10-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3032-8-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3032-11-0x0000000000AC0000-0x0000000000BCA000-memory.dmp

Filesize
1.0MB

Download
memory/3032-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3032-5-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3032-4-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3032-2-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3032-1-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3032-3-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download