lumma | bfde542a99cb55e9d1d45f3e31b332f14c725d12f33971bf2446574826f33741

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 16:33

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General

Target

script.exe
Size

404KB
MD5

bc53656f693c8e0234b85a8c6e2cd28a
SHA1

8401ff83f6b2adb1b4d830dee6f7fd2c09aa8ee5
SHA256

bfde542a99cb55e9d1d45f3e31b332f14c725d12f33971bf2446574826f33741
SHA512

4566497bf83ebec823a4c14a5a3f59d13040673892b32e36ff9ad6bf2a62412db22e810598ed07b0cca9147e0203e92bb3b1fdd7aac356dcd8e2cca3728cdedd
SSDEEP

12288:bFbzyONf/S6m3nRo0MH7+D4aHtEdsLvvcMKK:pTHyRoFlaNWK

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

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 2000 set thread context of 1344	2000	script.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2252	2000	WerFault.exe	30

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

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2336	2000	script.exe	31
PID 2000 wrote to memory of 2336	2000	script.exe	31
PID 2000 wrote to memory of 2336	2000	script.exe	31
PID 2000 wrote to memory of 2336	2000	script.exe	31
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 1344	2000	script.exe	32
PID 2000 wrote to memory of 2252	2000	script.exe	33
PID 2000 wrote to memory of 2252	2000	script.exe	33
PID 2000 wrote to memory of 2252	2000	script.exe	33
PID 2000 wrote to memory of 2252	2000	script.exe	33

C:\Users\Admin\AppData\Local\Temp\script.exe
"C:\Users\Admin\AppData\Local\Temp\script.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Local\Temp\script.exe
  "C:\Users\Admin\AppData\Local\Temp\script.exe"
  2⤵
  PID:2336
- C:\Users\Admin\AppData\Local\Temp\script.exe
  "C:\Users\Admin\AppData\Local\Temp\script.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1344
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 524
  2⤵
  - Program crash
  PID:2252

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

C:\Users\Admin\AppData\Local\Temp\CabF97E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF9A0.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1344-3-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1344-5-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1344-10-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1344-12-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1344-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1344-14-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1344-6-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1344-7-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/1344-4-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2000-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2000-13-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2000-15-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2000-1-0x0000000000180000-0x00000000001EC000-memory.dmp

Filesize
432KB

Download