lumma | babf47d8493a17a590dfe66ba74f204a24c9e2ff878a52deabe3082766d72a79

Analysis

max time kernel
136s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/10/2024, 21:53

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General

Target
Installer/CapCut.exe
Size 332KB
Sample241029-1rppea1ark
SHA256 a274bbefeca015c06188faf15493b32f3ed4b175a92fa4fdf59a0da55059f6db
MD5 9095698e073c305cb31934f911e2f224
SHA1 3c3a7cf49ecc1faf01d8f85d345425a3c417361e
SHA512 8470d517a74c721911b7a5b93a8513630a9cfef747ef143296bfdcb3174620ddec7d2e170afbed2621f441aaa663b46eec676c9e8065b9fde87bf15633190fb6
SSDEEP 6144:KurqFF99YI+Ka804ozhmKuRb5B/OalLbQg1/R:YFFXY9vrzoKud59Oahbv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

https://navygenerayk.store/api
https://necklacedmny.store/api
https://founpiuer.store/api

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4324	powershell.exe

Downloads MZ/PE file

Executes dropped EXE 1 IoCs

pid	Process
1356	pdf.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
33	raw.githubusercontent.com
34	raw.githubusercontent.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1356	pdf.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	pdf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4324	powershell.exe
4324	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4324	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1356	pdf.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 3388	3680	CapCut.exe	92
PID 3680 wrote to memory of 3388	3680	CapCut.exe	92
PID 3388 wrote to memory of 4324	3388	cmd.exe	93
PID 3388 wrote to memory of 4324	3388	cmd.exe	93
PID 3680 wrote to memory of 1356	3680	CapCut.exe	97
PID 3680 wrote to memory of 1356	3680	CapCut.exe	97
PID 3680 wrote to memory of 1356	3680	CapCut.exe	97

C:\Users\Admin\AppData\Local\Temp\Installer\CapCut.exe
"C:\Users\Admin\AppData\Local\Temp\Installer\CapCut.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c powershell -Command "Add-MpPreference -ExclusionPath 'C:\Lipras'; Add-MpPreference -ExclusionPath 'C:\Users'"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3388
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -Command "Add-MpPreference -ExclusionPath 'C:\Lipras'; Add-MpPreference -ExclusionPath 'C:\Users'"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4324
- C:\Lipras\pdf.exe
  "C:\Lipras\pdf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

pdf.exe

Path C:\Lipras\pdf.exe
Size 1.2MB
SHA256 f8dbff120f44cf68bcb802c11f24bbc506f11803e8745883a0f650decea1db47
MD5 e9a83661d98fca881cd4497a985a20de
SHA1 38c9937610d563b848a634aed39366ef8b2a8f37
SHA512 df008a6302c877f4dae1780bb3ed3682498586c9e556681c8359012948ba9bb6d720af87b51f1f850d6550d809eb6e9242992b07c6dbf1b9c7b2fd3afe389e2e
SSDEEP 24576:uSdwEX22dRlHrWJd7NvGSv6C+amn+TBlT7SYr4kBtDUs8/Xa:uS+EX2QudpQamn+1RS+4xs8/
MD5 SHA1 SHA512 SSDEEP

Submit Download

__PSScriptPolicyTest_b000jpl2.tdk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_b000jpl2.tdk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

memory/1356-38-0x0000000000EF0000-0x00000000012B3000-memory.dmp

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memory/1356-39-0x0000000000EF0000-0x00000000012B3000-memory.dmp

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memory/4324-0-0x00007FF990E53000-0x00007FF990E55000-memory.dmp

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memory/4324-1-0x000001B24B4B0000-0x000001B24B4D2000-memory.dmp

Download

memory/4324-11-0x00007FF990E50000-0x00007FF991911000-memory.dmp

Download

memory/4324-12-0x00007FF990E50000-0x00007FF991911000-memory.dmp

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memory/4324-15-0x00007FF990E50000-0x00007FF991911000-memory.dmp

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