lumma | 2e49a28f4a1d94d6d7cfd31e54bde4bebf4abb48d048f69fe241ec1502b40943

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 1448 set thread context of 2864	1448	Larsson.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2876	2864	WerFault.exe	31

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

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 1448 wrote to memory of 2864	1448	Larsson.exe	31
PID 2864 wrote to memory of 2876	2864	RegAsm.exe	32
PID 2864 wrote to memory of 2876	2864	RegAsm.exe	32
PID 2864 wrote to memory of 2876	2864	RegAsm.exe	32
PID 2864 wrote to memory of 2876	2864	RegAsm.exe	32

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:1448
- 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
  - Suspicious use of WriteProcessMemory
  PID:2864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2864 -s 256
    3⤵
    - Program crash
    PID:2876

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/1448-12-0x0000000002670000-0x0000000004670000-memory.dmp

Filesize
32.0MB

Download
memory/1448-1-0x0000000001210000-0x000000000126E000-memory.dmp

Filesize
376KB

Download
memory/1448-15-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download
memory/1448-0-0x000000007431E000-0x000000007431F000-memory.dmp

Filesize
4KB

Download
memory/2864-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2864-16-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2864-4-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2864-5-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2864-11-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2864-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-8-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2864-7-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2864-6-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download