Overview
overview
7Static
static
3FabFilter ...en.exe
windows7-x64
7FabFilter ...en.exe
windows10-2004-x64
7$TEMP/BASSMOD.dll
windows7-x64
1$TEMP/BASSMOD.dll
windows10-2004-x64
1$TEMP/R2RFBFKG.dll
windows7-x64
3$TEMP/R2RFBFKG.dll
windows10-2004-x64
3$TEMP/keygen.exe
windows7-x64
1$TEMP/keygen.exe
windows10-2004-x64
1Analysis
- max time kernel
134s - max time network
140s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system - submitted
07/05/2024, 23:09
Static task
static1
Behavioral task
behavioral1
Sample
FabFilter Total Bundle v2023.02.06/R2R/FabFilter_KeyGen.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
FabFilter Total Bundle v2023.02.06/R2R/FabFilter_KeyGen.exe
Resource
win10v2004-20240419-en
Behavioral task
behavioral3
Sample
$TEMP/BASSMOD.dll
Resource
win7-20240220-en
Behavioral task
behavioral4
Sample
$TEMP/BASSMOD.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral5
Sample
$TEMP/R2RFBFKG.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$TEMP/R2RFBFKG.dll
Resource
win10v2004-20240419-en
Behavioral task
behavioral7
Sample
$TEMP/keygen.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$TEMP/keygen.exe
Resource
win10v2004-20240419-en
General
- Target $TEMP/BASSMOD.dll
- Size 33KB
- Sample240507-25a9lsfh97
- SHA256 8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f
- MD5 e4ec57e8508c5c4040383ebe6d367928
- SHA1 b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06
- SHA512 77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822
- SSDEEP 768:qQmS5iUgi5czW+DlrQOS1DeDdjgNtbX4O6DHix84H0:qQz5Tgof+DdpS1+djctLSHiZ0
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4072 wrote to memory of 3920 4072 rundll32.exe 86 PID 4072 wrote to memory of 3920 4072 rundll32.exe 86 PID 4072 wrote to memory of 3920 4072 rundll32.exe 86