lumma | 41f3765a0f5435e542209f28978ed7ebcadee49913ad39ca5e07bf3fd65e365d

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

C2

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

C2

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 2868 set thread context of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28

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 11 IoCs

Processes:

2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe

description	pid	Process	procid_target
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28
PID 2868 wrote to memory of 2908	2868	2024-11-27_9a11d578aec96645e55e6d3ad1a10754_cobalt-strike_ryuk.exe	28

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:2868
- C:\Windows\SysWOW64\dxdiag.exe
  "C:\Windows\SysWOW64\dxdiag.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab898C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar89AE.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2908-2-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-4-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-3-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-0-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-1-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-9-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-10-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-7-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-5-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2908-45-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads