lumma | 210c6633c42bd185d92ad882a8cd836e9a266c672e4409b2edb74453fa96b60d

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-01-2025 18:19

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General

Target

k2sMp1u.exe
Size

503KB
MD5

8479e460fc8a0284d9af6e699a07e2c4
SHA1

bd6a2177d050c97afe50dfb53c50f5103c875939
SHA256

210c6633c42bd185d92ad882a8cd836e9a266c672e4409b2edb74453fa96b60d
SHA512

5f41fecf65f6b36edfa285b0fd3c9ccd2e08f2520ce35d5aa14dfe2e67ffd6fabb9e776130bd4362ffe3bbb22b986614f536813e06eda9c2298bfd0b80dd531d
SSDEEP

12288:akN2r7eiIWbEnBnX/3PDxfw1pRlBB3mLDyyghJ:akN2veieX//D0j3OD5mJ

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://suggestyuoz.biz/api

https://toppyneedus.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 3192 set thread context of 2904	3192	k2sMp1u.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4796	3192	WerFault.exe	82

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	k2sMp1u.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	k2sMp1u.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83
PID 3192 wrote to memory of 2904	3192	k2sMp1u.exe	83

C:\Users\Admin\AppData\Local\Temp\k2sMp1u.exe
"C:\Users\Admin\AppData\Local\Temp\k2sMp1u.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3192
- C:\Users\Admin\AppData\Local\Temp\k2sMp1u.exe
  "C:\Users\Admin\AppData\Local\Temp\k2sMp1u.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3192 -s 816
  2⤵
  - Program crash
  PID:4796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3192 -ip 3192
1⤵
PID:4892

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/2904-5-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2904-7-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/2904-9-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3192-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

Filesize
4KB

Download
memory/3192-1-0x0000000000F80000-0x0000000001000000-memory.dmp

Filesize
512KB

Download
memory/3192-2-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download
memory/3192-3-0x0000000006060000-0x0000000006604000-memory.dmp

Filesize
5.6MB

Download
memory/3192-8-0x0000000074D60000-0x0000000075510000-memory.dmp

Filesize
7.7MB

Download