lumma | 65f8e0e219637833386b6cfe27bd2f8446a214f02149628c63dd0329501e17e6

Analysis

max time kernel
84s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 22:49

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General

Target

CFXBypass.exe
Size

554KB
MD5

613df599866679f7f19d12ff86220db8
SHA1

33a2f464888fd8aedd2c4cd8f79e9e43321d8465
SHA256

65f8e0e219637833386b6cfe27bd2f8446a214f02149628c63dd0329501e17e6
SHA512

4091dc9ce75e7ff9a1131aa200e30ca293a8619a616bce17a4f5fa6e79602848efd422be64be7af8aff3c99f75536d2ea45dbcf1d7afb0a7998a0526bf76ce13
SSDEEP

12288:2Nqf82rBbd4Qlj68ZEpv/7B+WIOzys7AsMC6WReVDTKwWZwfwsBAlny7Jc23OBuB:2s82ZWQx6AKsWL

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://extorteauhhwigw.shop/api

https://potterryisiw.shop/api

https://foodypannyjsud.shop/api

https://contintnetksows.shop/api

https://swellfrrgwwos.xyz/api

https://penetratedpoopp.xyz/api

https://ellaboratepwsz.xyz/api

https://towerxxuytwi.xyz/api

https://pedestriankodwu.xyz/api

Extracted

Family

lumma

https://potterryisiw.shop/api

https://foodypannyjsud.shop/api

https://contintnetksows.shop/api

https://tenntysjuxmz.shop/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma

Loads dropped DLL 1 IoCs

pid	Process
3212	CFXBypass.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3212 set thread context of 3592	3212	CFXBypass.exe	87

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

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87
PID 3212 wrote to memory of 3592	3212	CFXBypass.exe	87

C:\Users\Admin\AppData\Local\Temp\CFXBypass.exe
"C:\Users\Admin\AppData\Local\Temp\CFXBypass.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3212
- 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:3592

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

C:\Users\Admin\AppData\Roaming\d3d9.dll

Filesize
429KB

MD5
f6ba3a613a9d9be4b2b93c8ec849d239

SHA1
dadd356e8b028fd7ce67e91ddea68b4928a146d3

SHA256
d66df0795ea1a1941802c75c10603a6ad3b162ded9153f3623c3816e81e47bba

SHA512
0b02ddc1208abdc270637992d15ca64154b7dc5fd5420df3b5a6253655050f415f983aaed06427b3d30315a406b3c6a98d5487a9d5ad5df863cddaa9b2a92989

Download Submit
memory/3212-0-0x00000000746DE000-0x00000000746DF000-memory.dmp

Filesize
4KB

Download
memory/3212-1-0x0000000000040000-0x00000000000D4000-memory.dmp

Filesize
592KB

Download
memory/3212-2-0x0000000000B00000-0x0000000000B06000-memory.dmp

Filesize
24KB

Download
memory/3212-8-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3212-16-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3212-14-0x00000000746D0000-0x0000000074E80000-memory.dmp

Filesize
7.7MB

Download
memory/3592-10-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3592-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/3592-15-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads