lumma | ddd1e3c7b4d8a8670e7c6d9a3bbd7e30d1c5658ed38e41a20efdee201b5239f7

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 16:15

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General

Target

Delta.exe
Size

794KB
MD5

24a858ebb9fc24d58bb3615386ce0f43
SHA1

eaf287a3846ac77a908d4ec4468a49fedc207963
SHA256

ddd1e3c7b4d8a8670e7c6d9a3bbd7e30d1c5658ed38e41a20efdee201b5239f7
SHA512

492eb513fa4c6f65ec8bac9b5e08a2aa616beace8e6552469370f352b7491f4ea08b5f6c3e4dd6fdd5dda16c9b74c3d2364b71335e1780074b23f1df7a8f26e9
SSDEEP

12288:r3K1Pp+lMeB8BQIzbjh22SbjqPVRc5ga0VQIzbjh22SbjqPVRc5ga0J:TK1PSMZWIzbtpSfqmgaIzbtpSfqmgZ

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

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

https://fancywaxxers.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 2580	2540	Delta.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2592	2580	WerFault.exe	32

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

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2540 wrote to memory of 2580	2540	Delta.exe	32
PID 2580 wrote to memory of 2592	2580	Delta.exe	33
PID 2580 wrote to memory of 2592	2580	Delta.exe	33
PID 2580 wrote to memory of 2592	2580	Delta.exe	33
PID 2580 wrote to memory of 2592	2580	Delta.exe	33

C:\Users\Admin\AppData\Local\Temp\Delta.exe
"C:\Users\Admin\AppData\Local\Temp\Delta.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\Delta.exe
  "C:\Users\Admin\AppData\Local\Temp\Delta.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2580 -s 148
    3⤵
    - Program crash
    PID:2592

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/2540-0-0x0000000000BC0000-0x0000000000BC1000-memory.dmp

Filesize
4KB

Download
memory/2580-9-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2580-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2580-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2580-5-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2580-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2580-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2580-1-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2580-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download