lumma | 41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2

General

Target

41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe
Size

764KB
MD5

77c997388882ff151fb80417621d9460
SHA1

7176888fd4d643ff885afca74ad9f064be04b2e1
SHA256

41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2
SHA512

3e9dc7e733a116ecf808e283ddb9ba5b673cc964ca1114293e45c75d4c01c7431fbf70a17c9842e67ed07dbcb59775958c8f27cc4222f66b73eaab311e5fcaae
SSDEEP

12288:xe8VO8tAFpzp6raoUnfM0wbN7bcurLraSatWFjGhiVg72IE8WD+hNJJ9nmsKnWqG:xe8GG8uuSSwjGhGgTEtwJ

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/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
4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4500 set thread context of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	4500	WerFault.exe	82

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	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aspnet_regiis.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84
PID 4500 wrote to memory of 2036	4500	41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe	84

C:\Users\Admin\AppData\Local\Temp\41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe
"C:\Users\Admin\AppData\Local\Temp\41d0046ef2bbae34b1c29ab45723e56ae6a9e3d5efedac2b0f348c556f9858f2N.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4500
- 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:2036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4500 -s 1028
  2⤵
  - Program crash
  PID:2748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4500 -ip 4500
1⤵
PID:760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
453KB

MD5
33dcaee67fc3b4ae32fbb2dccc4ed0d6

SHA1
6758980679c6529360273d3a5dbca2d665e68175

SHA256
48facd3f6c7afec3e03dcdb000e931b25b48667b3c0562b6a64aa6377d464c30

SHA512
fd5cb79d28fd5ed6c5a36565888bd3b2dc80ade559c83e08c704ac43d5e84841cc9b9bfc26aa7506c61ac82f5e350f8413b7e9f3990b2e0f45a9cce75a3b44f0

Download Submit
memory/2036-10-0x00000000006F0000-0x000000000075B000-memory.dmp

Filesize
428KB

Download
memory/2036-17-0x00000000006F0000-0x000000000075B000-memory.dmp

Filesize
428KB

Download
memory/2036-14-0x00000000006F0000-0x000000000075B000-memory.dmp

Filesize
428KB

Download
memory/4500-0-0x000000007529E000-0x000000007529F000-memory.dmp

Filesize
4KB

Download
memory/4500-1-0x0000000000200000-0x00000000002C8000-memory.dmp

Filesize
800KB

Download
memory/4500-2-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/4500-18-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4500-9-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download
memory/4500-19-0x0000000075290000-0x0000000075A40000-memory.dmp

Filesize
7.7MB

Download

Analysis

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