Analysis
- max time kernel
898s - max time network
622s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
23/04/2026, 20:04
Behavioral task
behavioral1
Sample
Xfer.Records.Serum.v2.1.2.update.rar
Resource
win10v2004-20260130-en
3 signatures
900 seconds
Behavioral task
behavioral2
Sample
Xfer.Records.Serum.v2.1.2.update.rar
Resource
win11-20260130-en
12 signatures
900 seconds
Behavioral task
behavioral3
Sample
VR.nfo
Resource
win10v2004-20260130-en
3 signatures
900 seconds
Behavioral task
behavioral4
Sample
VR.nfo
Resource
win11-20260130-en
3 signatures
900 seconds
Behavioral task
behavioral5
Sample
Xfer Records Serum v2.1.2 update.exe
Resource
win10v2004-20260130-en
6 signatures
900 seconds
General
- Target Xfer Records Serum v2.1.2 update.exe
- Size 10.0MB
- Sample260423-ythb1agz6x
- SHA256 e6fc0c64f1fd7ddb4f0236fa73f0bd44b3c6d2739f9714ceeabbee26df0db57a
- MD5 5a5dd8bc24de9bcf35d7ceef93c7b237
- SHA1 83698f61ce3348d0426fd5add5ff1442e6dad881
- SHA512 3b6ab9e7ada728dd4b3abbb3edcbd89e49d180adfb6f65e59f84c5d02ab6fa93984cfce8531a4af01ec159cf952382f8daade975c9e62ac53fe541fdbdd52dda
- SSDEEP 196608:e7BZKaTsv6sYXBWp0Sd6BgEY9EkgAYkx0S9vmW1UQm2hk40fbQO:mBZJT+6sYRWpXDENArx0SBFm2m7bx
- TLSH T115B6235BB25F613DD45A1A318573C2205A3B7F62A4328D2F46F43D0DEF224884E3B6B6
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 3600 Xfer Records Serum v2.1.2 update.tmp - Drops file in Program Files directory 6 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Avid\Audio\Plug-Ins\Xfer Records Xfer Records Serum v2.1.2 update.tmp File opened for modification C:\Program Files\Common Files\VST3\Serum2.vst3 Xfer Records Serum v2.1.2 update.tmp File created C:\Program Files\Common Files\VST3\Serum2.vst3\is-4FPUA.tmp Xfer Records Serum v2.1.2 update.tmp File created C:\Program Files\Common Files\VST3\Serum2.vst3\is-SK9PQ.tmp Xfer Records Serum v2.1.2 update.tmp File created C:\Program Files\Common Files\VST3\Serum2.vst3\Contents\Resources\is-TA5KE.tmp Xfer Records Serum v2.1.2 update.tmp File created C:\Program Files\Common Files\VST3\Serum2.vst3\Contents\x86_64-win\is-QDNFS.tmp Xfer Records Serum v2.1.2 update.tmp - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Xfer Records Serum v2.1.2 update.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Xfer Records Serum v2.1.2 update.exe - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral5/memory/2360-1-0x0000000000400000-0x00000000004EB000-memory.dmp innosetup behavioral5/memory/2360-23-0x0000000000400000-0x00000000004EB000-memory.dmp innosetup - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3600 Xfer Records Serum v2.1.2 update.tmp - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2360 wrote to memory of 3600 2360 Xfer Records Serum v2.1.2 update.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\Xfer Records Serum v2.1.2 update.exe"C:\Users\Admin\AppData\Local\Temp\Xfer Records Serum v2.1.2 update.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360 -
C:\Users\Admin\AppData\Local\Temp\is-MMCJD.tmp\Xfer Records Serum v2.1.2 update.tmp"C:\Users\Admin\AppData\Local\Temp\is-MMCJD.tmp\Xfer Records Serum v2.1.2 update.tmp" /SL5="$801F6,9430864,903680,C:\Users\Admin\AppData\Local\Temp\Xfer Records Serum v2.1.2 update.exe"2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:3600
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-MMCJD.tmp\Xfer Records Serum v2.1.2 update.tmp
- Size 3.6MB
- SHA256 5d62feb71bf4db5060d02c1312377fc5c45051a5e7f55b2dc5bcc7dc92b7498b
- MD5 fa9c9fc24393b11f2c79ad7e00e1f877
- SHA1 d1fa6cb60c56fb75861215a7a36774fc72ddebcf
- SHA512 8a73a6d35b23ce6aa39fc33999377a8685246d611c25adf1aba08a3b70aa8bec364eabe69f0ee3237fb6064a932530ed1f643525293a3f01761c8a4b102005dc
- SSDEEP 49152:erHHFnKA0otwLU/g2SmYXFuaYQ4mQVHYEXQcmpeDxjT//333l:ernwboEuM4mQiEC0DZ333l
- TLSH T12B065B13F244A93ED06B3A354637C65499377B626A2ADC176BF82D4C8F361403E3B786
- MD5 SHA1 SHA512 SSDEEP TLSH