Overview
overview
7Static
static
3ValhallaDS...en.exe
windows7-x64
7ValhallaDS...en.exe
windows10-2004-x64
7$TEMP/BASSMOD.dll
windows7-x64
1$TEMP/BASSMOD.dll
windows10-2004-x64
1$TEMP/R2RJUCE.dll
windows7-x64
3$TEMP/R2RJUCE.dll
windows10-2004-x64
3$TEMP/keygen.exe
windows7-x64
1$TEMP/keygen.exe
windows10-2004-x64
1Analysis
-
max time kernel
150s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2024 19:03
Static task
static1
Behavioral task
behavioral1
Sample
ValhallaDSP_KeyGen.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
ValhallaDSP_KeyGen.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$TEMP/BASSMOD.dll
Resource
win7-20240611-en
Behavioral task
behavioral4
Sample
$TEMP/BASSMOD.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
$TEMP/R2RJUCE.dll
Resource
win7-20240611-en
Behavioral task
behavioral6
Sample
$TEMP/R2RJUCE.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
$TEMP/keygen.exe
Resource
win7-20240508-en
Behavioral task
behavioral8
Sample
$TEMP/keygen.exe
Resource
win10v2004-20240611-en
General
-
Target
ValhallaDSP_KeyGen.exe
-
Size
559KB
-
MD5
a4352482c6c31a8722e7a04b83a5cf49
-
SHA1
b9a4ece533737ffcc0e226f990511748b75af814
-
SHA256
649453c43b998ed2c23c87a950e6d4524cc435f995f6352676b09e043e381d5a
-
SHA512
740e7db44137dfda82c082969784fc6b16f7e5ceead61b6ef0ca923e5812077329282a78ad882eadccba0aa0be9778b224957da48eb4148d887d9476ed1d0b24
-
SSDEEP
12288:XYkc9t2Sll/UA8w4vQuo+KF76OyD/kyS2uB:XYkcL51oQd+KF4/BpK
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 3808 keygen.exe -
Loads dropped DLL 3 IoCs
pid Process 3808 keygen.exe 3808 keygen.exe 3808 keygen.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 3624 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3624 AUDIODG.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2132 wrote to memory of 3808 2132 ValhallaDSP_KeyGen.exe 91 PID 2132 wrote to memory of 3808 2132 ValhallaDSP_KeyGen.exe 91 PID 2132 wrote to memory of 3808 2132 ValhallaDSP_KeyGen.exe 91
Processes
-
C:\Users\Admin\AppData\Local\Temp\ValhallaDSP_KeyGen.exe"C:\Users\Admin\AppData\Local\Temp\ValhallaDSP_KeyGen.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2132 -
C:\Users\Admin\AppData\Local\Temp\keygen.exeC:\Users\Admin\AppData\Local\Temp\keygen.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3808
-
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x328 0x2f41⤵
- Suspicious use of AdjustPrivilegeToken
PID:3624
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4036 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:81⤵PID:688
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
33KB
MD5e4ec57e8508c5c4040383ebe6d367928
SHA1b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06
SHA2568ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f
SHA51277d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822
-
Filesize
242KB
MD590a452c84f7f2b5ca5a61bccaaa17e92
SHA13fb5829be5db5af55ee4043f0dce7f9253d800dd
SHA256674a6eafb277261cd6959a4145329ab8b612fe5948fc8daf064192498fa65f92
SHA51241304120d3b2d0489fa82c13abce47fca967c6415e28c05382c0c567a167ff400f7d58b843afdfcc33227d4caa8fbb32af38fa7175fd066631fe1bb82615975b
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Filesize
52KB
MD5d6beadc81bc8481c95996e6333735bbe
SHA1cae63073b1a77fdd6f101d4b44a3d0c8578829b2
SHA256014ff2aea33267ae4bb89274b5b6dc48bf22caf051dcc882c339a8c0da705e23
SHA512139a9ece9a2f7b1ac2fa530be205f545a60c67df1343cba1024ad7b1eb27c39ae84287598be43ba1414eace77814a1359f01361940b5650fcab4e2bd280a4d19
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Filesize
733KB
MD5b42891de36d265662c5ae7bef4432958
SHA1760f557163dd295fb9f51dc3c6304debabe1fc3f
SHA2560586b5996c1ecd29d05c3f159f2a74857bc1dcab40552a2495cca936d1349c39
SHA51243bb4a637465e34544aa5c9b25f236daaa44285b3c8936a4b2e477ec4efc41a30e2a4b1735a0c36006f945b1c1f60e0426c228bee94176115e0c5361bff8b078