lumma | 41f3765a0f5435e542209f28978ed7ebcadee49913ad39ca5e07bf3fd65e365d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 08:28

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General

Target

2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe
Size

12.6MB
MD5

9a11d578aec96645e55e6d3ad1a10754
SHA1

68081fd06eb00b786eedd77d04bf2bcdd8c96c59
SHA256

41f3765a0f5435e542209f28978ed7ebcadee49913ad39ca5e07bf3fd65e365d
SHA512

ed422416b6268d9b34d5c007db106532b3f9d23786fcb9c06c05cd5f741381b5668a9a75feeda7ae2aa21fe3f55dd19ab85a55fe8685ac9a382036cefc89139a
SSDEEP

196608:t1dTxDY6HrI5x0wcs3FUYQUWzaf5hjlzQXP5vOjKAlAKTEEO7V8gi+:xpjr+OwcsVUYQUW+hhpexUKTK6h

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://powerful-avoids.sbs

https://motion-treesz.sbs

https://disobey-curly.sbs

https://leg-sate-boat.sbs

https://story-tense-faz.sbs

https://blade-govern.sbs

https://occupy-blushi.sbs

https://frogs-severz.sbs

https://understanyb.cyou

Extracted

Family

lumma

https://understanyb.cyou/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

Processes:

2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe

description	pid	Process	procid_target
PID 824 set thread context of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 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

Processes:

dxdiag.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dxdiag.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe

description	pid	Process	procid_target
PID 824 wrote to memory of 2936	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	85
PID 824 wrote to memory of 2936	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	85
PID 824 wrote to memory of 2936	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	85
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86
PID 824 wrote to memory of 3036	824	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:824
- C:\Windows\SysWOW64\dxdiag.exe
  "C:\Windows\SysWOW64\dxdiag.exe"
  2⤵
  PID:2936
- C:\Windows\SysWOW64\dxdiag.exe
  "C:\Windows\SysWOW64\dxdiag.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036

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/3036-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3036-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3036-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3036-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download