lumma | 2e49a28f4a1d94d6d7cfd31e54bde4bebf4abb48d048f69fe241ec1502b40943

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
14/09/2024, 04:49

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General

Target

Larsson.exe
Size

351KB
MD5

09be66bbb52f8af439e8745d8f872cb6
SHA1

64038d25166fafdc9386fb5e88a4097b481c8204
SHA256

2e49a28f4a1d94d6d7cfd31e54bde4bebf4abb48d048f69fe241ec1502b40943
SHA512

aab694646234c08606387d5210de241bc5bb7c4ae0fafbb776de696464f19ff9b80f159f5329b2c5dcb4b2a6f3352c9a67dc56fdf2333962ecd82ae6bf16301f
SSDEEP

6144:9wcDxEzhXVwYx8I6V+MHzA6mlyoyK0LSvKXMVPMa+Y5hhw:9wXzhFwYd6C6mlyBK0LcK8V0axn

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://turkeyunlikelyofw.shop/api

https://wisemassiveharmonious.shop/api

https://colorfulequalugliess.shop/api

https://relevantvoicelesskw.shop/api

https://detectordiscusser.shop/api

https://associationokeo.shop/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3376 set thread context of 2936	3376	Larsson.exe	85

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

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85
PID 3376 wrote to memory of 2936	3376	Larsson.exe	85

C:\Users\Admin\AppData\Local\Temp\Larsson.exe
"C:\Users\Admin\AppData\Local\Temp\Larsson.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3376
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2936

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/2936-4-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2936-8-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2936-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2936-10-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

Filesize
4KB

Download
memory/3376-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/3376-1-0x0000000000090000-0x00000000000EE000-memory.dmp

Filesize
376KB

Download
memory/3376-9-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download
memory/3376-12-0x0000000074C40000-0x00000000753F0000-memory.dmp

Filesize
7.7MB

Download