lumma | 88be9326e3346393b29458adc255487af80b27397cb51b81998f310e3e5bd581

Analysis

max time kernel
94s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2025, 14:23

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General

Target

random.exe
Size

465KB
MD5

8ef91a0832f26ef03ba04fc0503ea6ca
SHA1

5e79b2d9b66df06ae4a161990cd411f255e5b612
SHA256

88be9326e3346393b29458adc255487af80b27397cb51b81998f310e3e5bd581
SHA512

2746f29d1c53075dc5844cc1a85c2139a8168533777bcdab01d81f729ceace438a19aa8e8835171507c544c35a8c9ba8b46e34600e2009cf1c758e53ca82297f
SSDEEP

6144:VKghTpr9EVw+yNv9WBdJz147ZdyNNaTgW1aGSqbZCLnrCpIZl1iatmr5bNLsw6j5:jpryyS5z14+NYUCaEZCbBLzY7sRiCl

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 5020 set thread context of 4888	5020	random.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3448	5020	WerFault.exe	81

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

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82
PID 5020 wrote to memory of 4888	5020	random.exe	82

C:\Users\Admin\AppData\Local\Temp\random.exe
"C:\Users\Admin\AppData\Local\Temp\random.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\random.exe
  "C:\Users\Admin\AppData\Local\Temp\random.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5020 -s 824
  2⤵
  - Program crash
  PID:3448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 5020 -ip 5020
1⤵
PID:1520

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/4888-4-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4888-6-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/4888-8-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/5020-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/5020-1-0x0000000000E40000-0x0000000000EBC000-memory.dmp

Filesize
496KB

Download
memory/5020-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

Filesize
5.6MB

Download
memory/5020-7-0x0000000074540000-0x0000000074CF0000-memory.dmp

Filesize
7.7MB

Download