Overview
overview
10Static
static
10Gross Beat...up.exe
windows7-x64
10Gross Beat...up.exe
windows10-2004-x64
10$PLUGINSDI...sh.dll
windows7-x64
3$PLUGINSDI...sh.dll
windows10-2004-x64
3$PLUGINSDIR/Bass.dll
windows7-x64
3$PLUGINSDIR/Bass.dll
windows10-2004-x64
3$PLUGINSDI...on.dll
windows7-x64
3$PLUGINSDI...on.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...in.dll
windows7-x64
3$PLUGINSDI...in.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/bass.dll
windows7-x64
3$PLUGINSDIR/bass.dll
windows10-2004-x64
3$PLUGINSDI...ll.exe
windows7-x64
7$PLUGINSDI...ll.exe
windows10-2004-x64
7Gross Beat.chm
windows7-x64
1Gross Beat.chm
windows10-2004-x64
1IL Gross Beat.dll
windows7-x64
3IL Gross Beat.dll
windows10-2004-x64
3uninstall.exe
windows7-x64
7uninstall.exe
windows10-2004-x64
7Analysis
- max time kernel
141s - max time network
102s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
02/09/2024, 20:23
Behavioral task
behavioral1
Sample
Gross Beat 1.0.7/setup.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
Gross Beat 1.0.7/setup.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/AdvSplash.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/Bass.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/Bass.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win7-20240729-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/GetVersion.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240704-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/NSIS_SkinCrafter_Plugin.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/NSIS_SkinCrafter_Plugin.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240705-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/bass.dll
Resource
win7-20240729-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/bass.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/shareddlls_install.exe
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/shareddlls_install.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
Gross Beat.chm
Resource
win7-20240704-en
Behavioral task
behavioral20
Sample
Gross Beat.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
IL Gross Beat.dll
Resource
win7-20240704-en
Behavioral task
behavioral22
Sample
IL Gross Beat.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
uninstall.exe
Resource
win7-20240704-en
Behavioral task
behavioral24
Sample
uninstall.exe
Resource
win10v2004-20240802-en
General
- Target Gross Beat 1.0.7/setup.exe
- Size 11.7MB
- Sample240902-y6djkswekr
- SHA256 b13ade9fa58f96d8f03e4e241455c1af226d6b654e2ad48a8ae7d3a61f7ad64d
- MD5 1287223e90507c1ac0bc0b60f1b039e9
- SHA1 7853f575349907eabb0dcd190fe746eb1c1c8d01
- SHA512 b90117cee136da27aefe612c73284a9977fe836ac364afc68d7bb78ca6828efd21b60b2c9ba866a6bcf0479db1c64eef6fe06b4ca0ccb0f2d8a3e3b333361d2e
- SSDEEP 196608:uRRS34smUEH4IXhxpMzHQCMFGfDQ5jSajl3clBg3j/cWnoCfrR1:uq/fRI9MzaGf0nl3cli3J/
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Detects Strela Stealer payload 2 IoCs
resource yara_rule behavioral2/files/0x0007000000023453-34.dat family_strela behavioral2/memory/1232-37-0x00000000026F0000-0x0000000002CBD000-memory.dmp family_strela - Loads dropped DLL 13 IoCs
pid Process 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe 1232 setup.exe - Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\msvcr71.dll setup.exe File created C:\Windows\SysWOW64\mfc71.dll setup.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language setup.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1232 setup.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 3240 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 3240 AUDIODG.EXE - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1232 setup.exe 1232 setup.exe 1232 setup.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Gross Beat 1.0.7\setup.exe"C:\Users\Admin\AppData\Local\Temp\Gross Beat 1.0.7\setup.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1232
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x524 0x5181⤵
- Suspicious use of AdjustPrivilegeToken
PID:3240
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsy9AAB.tmp\AdvSplash.dll
- Size 6KB
- SHA256 eb1ca2b3a6e564c32677d0cdc388e26b74ef686e071d7dbca44d0bfa10488feb
- MD5 13cc92f90a299f5b2b2f795d0d2e47dc
- SHA1 aa69ead8520876d232c6ed96021a4825e79f542f
- SHA512 ff4e6e6e7104568fc85ef3a3f0494a5c7822a4ceaf65c584ad534f08f9a472a8d86f0a62f1f86343c61e2540b2254714b7ea43e4b312ff13d8271ff069386fa3
- SSDEEP 96:6hNSXIcmYjkvTS6MnBNZ1BMjDfhkkEkkXstWpPwoS:JXIpzTSd1BSk/kJtWpP
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsy9AAB.tmp\Bass.dll
- Size 101KB
- SHA256 14a38f56be50a3829eb1eda2a908da2de5913f81d5cb01d8b668593d0fc36594
- MD5 a8af308ff01b4477657955fbf0cc8408
- SHA1 0794c059f0326e4a71be8a3ee4ac17a657d90d88
- SHA512 9e221967db95d4b86bf311891193dfd1515806aa0d43198d3bc26a17d77f06f212ab9dba1ca8575f50d224380e8b109529faccf2f56daac834da83a83677a0fd
- SSDEEP 3072:kR+vccy3LIweO1vFCLPkG9dfSD0BXZXmpw69Qe:S+vccy3hF1vFCT99dTBX5mupe
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsy9AAB.tmp\InstallOptions.dll
- Size 14KB
- SHA256 c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b
- MD5 325b008aec81e5aaa57096f05d4212b5
- SHA1 27a2d89747a20305b6518438eff5b9f57f7df5c3
- SHA512 18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf
- SSDEEP 192:86d+dHXLHQOPiY53uiUdigyU+WsPdc/A1A+2jwK72dwF7dBEnbok:86UdHXcIiY535zBt2jw+BEnbo
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsy9AAB.tmp\NSIS_SkinCrafter_Plugin.dll
- Size 5.8MB
- SHA256 8b25cf3f7aa82fadccb2ce615ce0e40c5a8a3ea7bc51180a92173ee113a0ccfe
- MD5 028251654a4d65509aa8ccb5f2ee284a
- SHA1 4a4ad468a86df6b903002be4f8919017fea0c152
- SHA512 f252670bca0da9e8e2c519a6ef4ad6dd0c4e548aeb7566693a7d203e73e63345fc58683072020ef771d836429bed1d7b4fdf105aa3e62a969e9c8d39556e1d2d
- SSDEEP 98304:kj0Kg9frmFcqlMZ4vpHfOVlQnzW4Aogn/oXFdAaTZ8GcB7d0s:kjFA7t2RHfYlQZJgTamGcBis
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsy9AAB.tmp\SkinCrafter.dll
- Size 792KB
- SHA256 546dddc7a31609b5bc3dc8ecef6f6782b77613853c54171fc32314c08a69e8de
- MD5 8fea8fd177034b52e6a5886fb5e780bd
- SHA1 99f511388a2420d53b8406baed48ba550842eaad
- SHA512 5d82a3b9cf9d69049e6278a6d835b8a9a386c97ae9a69cf658675b0a8751a344d0da1ee704e9bb9023dab7cd77fdca684bdc90837960b583eef0bb4324498696
- SSDEEP 6144:k8tdVR1oDmqv3v8nt61NnE1wvVwRqXq/wS2GWx5bq8OudNaVTpBopxAzr8TBlehD:Db1oDHv3SONfvV0MLraVNBopq8T3Pq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsy9AAB.tmp\System.dll
- Size 11KB
- SHA256 dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
- MD5 c17103ae9072a06da581dec998343fc1
- SHA1 b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
- SHA512 d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
- SSDEEP 192:7DKnJZCv6VmbJQC+tFiUdK7ckD4gRXKQx+LQ2CSF:7ViJrtFRdbmXK8+PCw
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\nsy9AAB.tmp\ioSpecial.ini
- Size 702B
- SHA256 17f0d51433145277ae8a38ac4dcec8d3f92ed0b45c8a744fe46474ae23d50543
- MD5 8de5352ed48539fff419aba6138c4ed6
- SHA1 f811b3c484f8914dc0534f331964aff31ad7d0c4
- SHA512 855ea5f41b10de4d1a2d1f7d58819023d73fc1b72fabb9c49cc528e56770e293584e8a257bf8a667cf12dec0ff2d58a707850654fdf6c6554e7fe8593a476e39
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\mfc71.dll
- Size 1.0MB
- SHA256 385ea2a454172e3f9b1b18778d4d29318a12be9f0c0c0602db72e2cce136e823
- MD5 1fd3f9722119bdf7b8cff0ecd1e84ea6
- SHA1 9a4faa258b375e173feaca91a8bd920baf1091eb
- SHA512 109d7a80a5b10548200d05ab3d7deb9dc2ae8e40d84b468184895eb462211078ecdcb11f01eb50c91c65a924f8e592cd63b78e402dcaea144ff89c11f2ab07d6
- SSDEEP 24576:jz4AxCLo/XFdAaBxZrJ+Gc10CXiTEd1aE3w:UuXFdAaBxZ8GcFXiTEd0M
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\msvcr71.dll
- Size 340KB
- SHA256 c4d4339df314a27ff75a38967b7569d9962337b8d4cd4b0db3aba5ff72b2bfbb
- MD5 ca2f560921b7b8be1cf555a5a18d54c3
- SHA1 432dbcf54b6f1142058b413a9d52668a2bde011d
- SHA512 23e0bdd9458a5a8e0f9bbcb7f6ce4f87fcc9e47c1ee15f964c17ff9fe8d0f82dd3a0f90263daaf1ee87fad4a238aa0ee92a16b3e2c67f47c84d575768edba43e
- SSDEEP 6144:cPlV59g81QWguohIP/siMbo8Crn2zzwRFMciFMNrb3YgxS3bCAO5kkG:OlVvN1QWguohInJDrn8zwNF7eCr
- MD5 SHA1 SHA512 SSDEEP