lumma | 8d6745b6cd24f23b24aa0f7f310d3d4b1e36621fd60a38c795a8a14c2473f189

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 07:37

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General

Target

stsvc.exe
Size

15.6MB
MD5

54c9491e0087766f83c6e67cbd568f2b
SHA1

f2e8823382c00a1c0ff3c44e727bbe7ba1a5eab4
SHA256

80995c3d41b7ab5178e77baeea0fa6fde3429a439c553e4a00fc1eef763cc415
SHA512

275bef6c614b4e88a5fd9a350987b74e5b8bb6c17b155baa5204b3479d258ac6e9abebe87d1ec82272f71262334dc11b77c160fa047416adbd97a69dd774e544
SSDEEP

393216:k8oy3mBlO804aw9tFhJMyUw/SZSRghMsppopHe:kkneacbfUw/tRghMs/o

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.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 1720 set thread context of 2072	1720	stsvc.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1788	2072	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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	dxdiag.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 1720 wrote to memory of 2072	1720	stsvc.exe	30
PID 2072 wrote to memory of 1788	2072	dxdiag.exe	31
PID 2072 wrote to memory of 1788	2072	dxdiag.exe	31
PID 2072 wrote to memory of 1788	2072	dxdiag.exe	31
PID 2072 wrote to memory of 1788	2072	dxdiag.exe	31

C:\Users\Admin\AppData\Local\Temp\stsvc.exe
"C:\Users\Admin\AppData\Local\Temp\stsvc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\dxdiag.exe
  "C:\Windows\SysWOW64\dxdiag.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 148
    3⤵
    - Program crash
    PID:1788

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/2072-0-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2072-7-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2072-5-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2072-3-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2072-2-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2072-1-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2072-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2072-10-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2072-12-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download