Overview
overview
3Static
static
3BepInEx.zip
windows7-x64
1BepInEx.zip
windows10-2004-x64
1BepInEx/LogOutput.log
windows7-x64
1BepInEx/LogOutput.log
windows10-2004-x64
1BepInEx/ca...er.dat
windows7-x64
3BepInEx/ca...er.dat
windows10-2004-x64
3BepInEx/ca...he.dat
windows7-x64
3BepInEx/ca...he.dat
windows10-2004-x64
3BepInEx/co...Ex.cfg
windows7-x64
3BepInEx/co...Ex.cfg
windows10-2004-x64
3BepInEx/co...ny.dll
windows7-x64
1BepInEx/co...ny.dll
windows10-2004-x64
1BepInEx/co...20.dll
windows7-x64
1BepInEx/co...20.dll
windows10-2004-x64
1BepInEx/co...ny.dll
windows7-x64
1BepInEx/co...ny.dll
windows10-2004-x64
1BepInEx/co...er.dll
windows7-x64
1BepInEx/co...er.dll
windows10-2004-x64
1BepInEx/co...Ex.dll
windows7-x64
1BepInEx/co...Ex.dll
windows10-2004-x64
1BepInEx/co...op.dll
windows7-x64
1BepInEx/co...op.dll
windows10-2004-x64
1BepInEx/co...db.dll
windows7-x64
1BepInEx/co...db.dll
windows10-2004-x64
1BepInEx/co...db.dll
windows7-x64
1BepInEx/co...db.dll
windows10-2004-x64
1BepInEx/co...ks.dll
windows7-x64
1BepInEx/co...ks.dll
windows10-2004-x64
1BepInEx/co...il.dll
windows7-x64
1BepInEx/co...il.dll
windows10-2004-x64
1BepInEx/co...ur.dll
windows7-x64
1BepInEx/co...ur.dll
windows10-2004-x64
1Analysis
-
max time kernel
117s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 23:12
Behavioral task
behavioral1
Sample
BepInEx.zip
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
BepInEx.zip
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
BepInEx/LogOutput.log
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
BepInEx/LogOutput.log
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
BepInEx/cache/chainloader_typeloader.dat
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
BepInEx/cache/chainloader_typeloader.dat
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
BepInEx/cache/harmony_interop_cache.dat
Resource
win7-20231129-en
Behavioral task
behavioral8
Sample
BepInEx/cache/harmony_interop_cache.dat
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
BepInEx/config/BepInEx.cfg
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
BepInEx/config/BepInEx.cfg
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
BepInEx/core/0Harmony.dll
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
BepInEx/core/0Harmony.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
BepInEx/core/0Harmony20.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
BepInEx/core/0Harmony20.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
BepInEx/core/BepInEx.Harmony.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
BepInEx/core/BepInEx.Harmony.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
BepInEx/core/BepInEx.Preloader.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
BepInEx/core/BepInEx.Preloader.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
BepInEx/core/BepInEx.dll
Resource
win7-20231129-en
Behavioral task
behavioral20
Sample
BepInEx/core/BepInEx.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
BepInEx/core/HarmonyXInterop.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
BepInEx/core/HarmonyXInterop.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral23
Sample
BepInEx/core/Mono.Cecil.Mdb.dll
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
BepInEx/core/Mono.Cecil.Mdb.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral25
Sample
BepInEx/core/Mono.Cecil.Pdb.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
BepInEx/core/Mono.Cecil.Pdb.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
BepInEx/core/Mono.Cecil.Rocks.dll
Resource
win7-20231215-en
Behavioral task
behavioral28
Sample
BepInEx/core/Mono.Cecil.Rocks.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
BepInEx/core/Mono.Cecil.dll
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
BepInEx/core/Mono.Cecil.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
BepInEx/core/MonoMod.RuntimeDetour.dll
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
BepInEx/core/MonoMod.RuntimeDetour.dll
Resource
win10v2004-20231215-en
General
-
Target
BepInEx/cache/harmony_interop_cache.dat
-
Size
1KB
-
MD5
af1df7997eb86264a2f1b193c8b75407
-
SHA1
5ed3ce1ea30994fa3a513ce5ee67b090dbf25bf1
-
SHA256
970f7b6b3be4528579864274d0f2998b4e55786b56a7b92573bf92cd6d5c157e
-
SHA512
b0d48bcb707ad42d2533a23231f1cb3691f23272ed2249e022102166503f8fe64792958c4e0314b9fca9c525334ff0a5a3d30359e698249a49a56c21da0f61fd
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\dat_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.dat rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\.dat\ = "dat_auto_file" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\dat_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\dat_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\dat_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3470981204-343661084-3367201002-1000_CLASSES\dat_auto_file\shell\Read\command rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2716 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2716 AcroRd32.exe 2716 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2384 wrote to memory of 2296 2384 cmd.exe 18 PID 2384 wrote to memory of 2296 2384 cmd.exe 18 PID 2384 wrote to memory of 2296 2384 cmd.exe 18 PID 2296 wrote to memory of 2716 2296 rundll32.exe 30 PID 2296 wrote to memory of 2716 2296 rundll32.exe 30 PID 2296 wrote to memory of 2716 2296 rundll32.exe 30 PID 2296 wrote to memory of 2716 2296 rundll32.exe 30
Processes
-
C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\BepInEx\cache\harmony_interop_cache.dat1⤵
- Suspicious use of WriteProcessMemory
PID:2384 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\BepInEx\cache\harmony_interop_cache.dat2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2296 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\BepInEx\cache\harmony_interop_cache.dat"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2716
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