lumma | 727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b

Analysis

max time kernel
131s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 01:12

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General

Target

727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe
Size

13KB
MD5

afa78c01048274af803a0115dcc26757
SHA1

7835b5c61c0500eef6d13ec426790ec75322c05d
SHA256

727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b
SHA512

57c9b4d029b86102a4303bbe7bcedd24a522f451b9c0d6e8e73a9aa7c538146e435cc95f9ba05578bff6b8eaa8b281f6510c7384b96a779dd0190bef9b285da0
SSDEEP

192:glqqChM/KUTOQQDT7hcGFJy/y/y/yuQ7HsIChl9ozK75MqnDkYC9e:SqqChMSUrQvuG6uLChczK75Mqnbm

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://dirtdrawingjsi.shop/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Downloads MZ/PE file

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1420 set thread context of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1320	1336	WerFault.exe	91

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	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe
1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2976	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	90
PID 1420 wrote to memory of 2976	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	90
PID 1420 wrote to memory of 2976	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	90
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91
PID 1420 wrote to memory of 1336	1420	727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe	91

C:\Users\Admin\AppData\Local\Temp\727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe
"C:\Users\Admin\AppData\Local\Temp\727891c3cbd42c648a50d8c0aedaba64360f9e322319fecaad52c3cbfefeb30b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
  2⤵
  PID:2976
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1336
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1336 -s 1260
    3⤵
    - Program crash
    PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1336 -ip 1336
1⤵
PID:3924

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/1336-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1336-6-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1336-8-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1336-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/1420-0-0x0000000074EDE000-0x0000000074EDF000-memory.dmp

Filesize
4KB

Download
memory/1420-1-0x0000000000510000-0x000000000051A000-memory.dmp

Filesize
40KB

Download
memory/1420-2-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download
memory/1420-7-0x0000000074ED0000-0x0000000075680000-memory.dmp

Filesize
7.7MB

Download