lumma | 7c1668b3dd9994868e043ee4ee3b68abb97147a43057456da912419cd1f91175

General

Target

2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe
Size

12.8MB
MD5

aa75773cdc4c3541d40dc7d47d531094
SHA1

7001339f95c43dcc42642c0e185a70b4214557c8
SHA256

7c1668b3dd9994868e043ee4ee3b68abb97147a43057456da912419cd1f91175
SHA512

66b96e72386567cec450d5717a70d7ac5cb5b8cec66da5b35726f6ada7477ee7ed40a39ed8a794b954ce8ad6f1d0dae6e9dfa67e9f5c5157c7752eeb31009494
SSDEEP

196608:hL1kxR9F9KENR9N4bQOZNxVs0eb+CwRVu4fpbr7vOSPFjytXwt4TPnqunXcHF91v:uF3zv8Zrqb+CUuubX26jytnTPjnXcBv

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

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

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 2736 set thread context of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30

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

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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30
PID 2736 wrote to memory of 2712	2736	2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-14_aa75773cdc4c3541d40dc7d47d531094_cobalt-strike_ryuk.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\dxdiag.exe
  "C:\Windows\SysWOW64\dxdiag.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712

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\Local\Temp\CabF1B1.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF221.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2712-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-6-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-15-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-16-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-17-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-8-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2712-10-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

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