lumma | 196ef35b7dc1313c1a5792cc0cc24a3758645d94afcbd25ee0a2b2f7263266fa

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 15:13

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General

Target

rru_acidj.exe
Size

501KB
MD5

857527e1c12922094b9c3395685097c5
SHA1

f219449c3e30bbaf360d42b1dd73a2e657ad23a3
SHA256

196ef35b7dc1313c1a5792cc0cc24a3758645d94afcbd25ee0a2b2f7263266fa
SHA512

634d1993449528858d64c30177f4ca2c935c0e6b727e8f0d826b380d8f6b929ca3a1e3b7ebea401bfee2d90f868e316fd3aab3c30caaba029becca33affdabac
SSDEEP

6144:RnhInnirUr3fa6fq8terVGpHEUJxVkH9ji+m3PYJ0LHL82X0s5/ce4kQ:ZrUrv9ysegjTkH9O+OYJ0Lr8zspce4J

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://toppyneedus.biz/api

https://suggestyuoz.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 1620 set thread context of 2796	1620	rru_acidj.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2268	1620	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	rru_acidj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rru_acidj.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82
PID 1620 wrote to memory of 2796	1620	rru_acidj.exe	82

C:\Users\Admin\AppData\Local\Temp\rru_acidj.exe
"C:\Users\Admin\AppData\Local\Temp\rru_acidj.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\rru_acidj.exe
  "C:\Users\Admin\AppData\Local\Temp\rru_acidj.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 816
  2⤵
  - Program crash
  PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1620 -ip 1620
1⤵
PID:1588

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/1620-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1620-1-0x0000000000330000-0x00000000003B0000-memory.dmp

Filesize
512KB

Download
memory/1620-2-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1620-3-0x0000000005280000-0x0000000005824000-memory.dmp

Filesize
5.6MB

Download
memory/1620-8-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2796-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2796-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2796-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2796-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download