lumma | cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31

Resubmissions

07-01-2025 00:34

250107-aw9l9swjdw 10

07-01-2025 00:05

250107-ac9sxswrcn 10

Analysis

max time kernel
8s
max time network
12s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
07-01-2025 00:34

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General

Target

cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe
Size

704KB
MD5

8e0130f54a2adc4bee882063aa018622
SHA1

3c78e2b441b3f9ae828cb34da18e3d0d66345004
SHA256

cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31
SHA512

3341c7cef850fd87318a52fc857f507e36dfac74e0f4f7acd4682e3fc2e1e61aa9b4399ee7b45eda06c76dbdf32d40ec69fe6f326ff938c898c643cc1cd9c1e7
SSDEEP

12288:sB4Wt0OdkEgQzR8H0Hz65uGyDj6uKjx8CteB7xXPmyG6kAnzuPkcHmJnqv5NTesC:sBBzR8HAzSNy6L8Cc5xXPv

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://impend-differ.biz/api

https://print-vexer.biz/api

https://dare-curbys.biz/api

https://covery-mover.biz/api

https://formy-spill.biz/api

https://dwell-exclaim.biz/api

https://zinc-sneark.biz/api

https://se-blurry.biz/api

https://atten-supporse.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

Loads dropped DLL 1 IoCs

pid	Process
3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3948 set thread context of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78

Program crash 1 IoCs

pid	pid_target	Process	procid_target
388	3948	WerFault.exe	76

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	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78
PID 3948 wrote to memory of 3396	3948	cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe	78

C:\Users\Admin\AppData\Local\Temp\cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe
"C:\Users\Admin\AppData\Local\Temp\cfe8d2a09d21980df98e772f1d07884f5d757d967f162f85d028e9c191c0ab31.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3396
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3948 -s 1076
  2⤵
  - Program crash
  PID:388

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3948 -ip 3948
1⤵
PID:4288

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

C:\Users\Admin\AppData\Roaming\gdi32.dll

Filesize
413KB

MD5
6acc3fbecb5360ba25ca107006592891

SHA1
953bb0c61bbbd3030ae60e4a647dcc8f72842d71

SHA256
1496f5811790af51a9209a9b2b968035868dd723a467f804197f739786cef1af

SHA512
6c3166a611bb35b0c8f4e15d3be618f6a4debbd9085bfe4d520bb16a24db0a4eb700380adbd59e6db0c66ec12ecdf2cc5878e98bbead8237a3f577db46e0e807

Download Submit
memory/3396-15-0x00000000006F0000-0x0000000000755000-memory.dmp

Filesize
404KB

Download
memory/3396-19-0x00000000006F0000-0x0000000000755000-memory.dmp

Filesize
404KB

Download
memory/3396-10-0x00000000006F0000-0x0000000000755000-memory.dmp

Filesize
404KB

Download
memory/3948-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

Filesize
4KB

Download
memory/3948-1-0x00000000002A0000-0x000000000035A000-memory.dmp

Filesize
744KB

Download
memory/3948-2-0x00000000026B0000-0x00000000026B6000-memory.dmp

Filesize
24KB

Download
memory/3948-8-0x0000000074A80000-0x0000000075231000-memory.dmp

Filesize
7.7MB

Download
memory/3948-20-0x0000000074A80000-0x0000000075231000-memory.dmp

Filesize
7.7MB

Download
memory/3948-21-0x0000000074A80000-0x0000000075231000-memory.dmp

Filesize
7.7MB

Download
memory/3948-22-0x0000000074A80000-0x0000000075231000-memory.dmp

Filesize
7.7MB

Download