Analysis
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max time kernel
141s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
27-07-2023 19:00
Behavioral task
behavioral1
Sample
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe
Resource
win10v2004-20230703-en
General
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Target
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe
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Size
3.5MB
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MD5
bc2969a32a8e1bbe43164da7c0862a07
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SHA1
b437bab308654f20dbc2315aca48f9ed6bbc6db3
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SHA256
edf60f78ba6df5042238de412846e56dfd62797471f1355b849543fd4a26d63d
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SHA512
f6dbcc4145be4d4cd96daed02ec70101ba236087ee1dd83a5367893e73ccee12632165fd59bc9fbb7b529a38ccb5ce50e323d59f04e2fb545da05de57c4b482b
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SSDEEP
49152:dHK3ocHZd9i+Rj8HhL+BuHcoTdaYWVegnnqrSeyt4GcokGzrTrURQb0bHj5NB:MT9lRIBWuBhBgqrSeuXkurUjbjbB
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 3 IoCs
Detects file using ACProtect software.
Processes:
resource yara_rule C:\Users\Admin\AppData\Local\Temp\ds.dll acprotect \Users\Admin\AppData\Local\Temp\ds.dll acprotect \Users\Admin\AppData\Local\Temp\ds.dll acprotect -
Executes dropped EXE 1 IoCs
Processes:
TysxClient_setup_2.0.107.exepid process 2624 TysxClient_setup_2.0.107.exe -
Loads dropped DLL 3 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exeregsvr32.exeTysxClient_setup_2.0.107.exepid process 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe 2844 regsvr32.exe 2624 TysxClient_setup_2.0.107.exe -
Processes:
resource yara_rule \Program Files\TysxClient_setup_2.0.107.exe upx C:\Program Files\TysxClient_setup_2.0.107.exe upx behavioral1/memory/2624-60-0x0000000000400000-0x000000000069E000-memory.dmp upx behavioral1/memory/2624-64-0x0000000000400000-0x000000000069E000-memory.dmp upx C:\Program Files\TysxClient_setup_2.0.107.exe upx behavioral1/memory/2624-85-0x0000000000400000-0x000000000069E000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\ds.dll upx \Users\Admin\AppData\Local\Temp\ds.dll upx behavioral1/memory/2844-89-0x0000000010000000-0x0000000010176000-memory.dmp upx \Users\Admin\AppData\Local\Temp\ds.dll upx behavioral1/memory/2624-91-0x0000000010000000-0x0000000010176000-memory.dmp upx behavioral1/memory/2624-103-0x0000000000400000-0x000000000069E000-memory.dmp upx behavioral1/memory/2624-104-0x0000000010000000-0x0000000010176000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exedescription ioc process File created C:\Program Files\TysxClient_setup_2.0.107.exe NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe -
Drops file in Windows directory 4 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exedescription ioc process File created C:\WINDOWS\Media\Desktop.ini:dbase.mdb NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe File opened for modification C:\WINDOWS\Media\Desktop.ini:dbase.mdb NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe File opened for modification C:\WINDOWS\Media\Desktop.ini:dbase.ldb NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe File created C:\WINDOWS\Media\ActiveX.ocx NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe -
Modifies registry class 37 IoCs
Processes:
regsvr32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ds.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ds.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID\ = "dm.dmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\ = "Dm" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS\ = "0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ = "dm.dmsoft" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft" regsvr32.exe -
NTFS ADS 3 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exedescription ioc process File created C:\WINDOWS\Media\Desktop.ini:dbase.mdb NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe File opened for modification C:\WINDOWS\Media\Desktop.ini:dbase.mdb NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe File opened for modification C:\WINDOWS\Media\Desktop.ini:dbase.ldb NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exepid process 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exepid process 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exeTysxClient_setup_2.0.107.exepid process 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe 2624 TysxClient_setup_2.0.107.exe 2624 TysxClient_setup_2.0.107.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
NA_NA_NA_NA_bc2969a32a8e1bex_JC.exeTysxClient_setup_2.0.107.execmd.exedescription pid process target process PID 1368 wrote to memory of 2624 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe TysxClient_setup_2.0.107.exe PID 1368 wrote to memory of 2624 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe TysxClient_setup_2.0.107.exe PID 1368 wrote to memory of 2624 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe TysxClient_setup_2.0.107.exe PID 1368 wrote to memory of 2624 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe TysxClient_setup_2.0.107.exe PID 1368 wrote to memory of 2624 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe TysxClient_setup_2.0.107.exe PID 1368 wrote to memory of 2624 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe TysxClient_setup_2.0.107.exe PID 1368 wrote to memory of 2624 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe TysxClient_setup_2.0.107.exe PID 1368 wrote to memory of 2888 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe regsvr32.exe PID 1368 wrote to memory of 2888 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe regsvr32.exe PID 1368 wrote to memory of 2888 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe regsvr32.exe PID 1368 wrote to memory of 2888 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe regsvr32.exe PID 1368 wrote to memory of 2888 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe regsvr32.exe PID 1368 wrote to memory of 2888 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe regsvr32.exe PID 1368 wrote to memory of 2888 1368 NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe regsvr32.exe PID 2624 wrote to memory of 3028 2624 TysxClient_setup_2.0.107.exe cmd.exe PID 2624 wrote to memory of 3028 2624 TysxClient_setup_2.0.107.exe cmd.exe PID 2624 wrote to memory of 3028 2624 TysxClient_setup_2.0.107.exe cmd.exe PID 2624 wrote to memory of 3028 2624 TysxClient_setup_2.0.107.exe cmd.exe PID 3028 wrote to memory of 2844 3028 cmd.exe regsvr32.exe PID 3028 wrote to memory of 2844 3028 cmd.exe regsvr32.exe PID 3028 wrote to memory of 2844 3028 cmd.exe regsvr32.exe PID 3028 wrote to memory of 2844 3028 cmd.exe regsvr32.exe PID 3028 wrote to memory of 2844 3028 cmd.exe regsvr32.exe PID 3028 wrote to memory of 2844 3028 cmd.exe regsvr32.exe PID 3028 wrote to memory of 2844 3028 cmd.exe regsvr32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe"C:\Users\Admin\AppData\Local\Temp\NA_NA_NA_NA_bc2969a32a8e1bex_JC.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368 -
C:\Program Files\TysxClient_setup_2.0.107.exe"C:\Program Files\TysxClient_setup_2.0.107.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2624 -
C:\Windows\SysWOW64\cmd.execmd.exe /c regsvr32 /s ds.dll3⤵
- Suspicious use of WriteProcessMemory
PID:3028 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32 /s ds.dll4⤵
- Loads dropped DLL
- Modifies registry class
PID:2844
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C:\Windows\SysWOW64\regsvr32.exeregsvr32 C:\WINDOWS\Media\ActiveX.ocx /s2⤵PID:2888
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Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.3MB
MD533d529127707cf47856c60c44d6ca585
SHA1ac9df8cc473ed595e53832ee3025e4a455283511
SHA256fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de
SHA5126a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e
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Filesize
1.3MB
MD533d529127707cf47856c60c44d6ca585
SHA1ac9df8cc473ed595e53832ee3025e4a455283511
SHA256fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de
SHA5126a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e
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Filesize
804KB
MD5c578b6820bda5689940560147c6e5ffc
SHA1922e50d89c9c44bdc205ef17aa57212b64e58852
SHA2563b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389
SHA5129f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85
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Filesize
12B
MD54eb029182c05333f33b3457560cfb3a3
SHA1962eb965990436ac53cc5a7e6bc393f0a5326d5a
SHA256bfee6dff834a73d234f4ea4eabe150260cf1135f05aefbf4b7145f0dfb98b3d4
SHA5122671446d9f305f4f444966072c28d22236330858be04ef85f4c4bf1f3b27da0a5e47b2b79f08fc7c1f7287aa5b6cf1905a7dd2fa9497e3a7f59876d27dabb219
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Filesize
1.3MB
MD533d529127707cf47856c60c44d6ca585
SHA1ac9df8cc473ed595e53832ee3025e4a455283511
SHA256fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de
SHA5126a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e
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Filesize
804KB
MD5c578b6820bda5689940560147c6e5ffc
SHA1922e50d89c9c44bdc205ef17aa57212b64e58852
SHA2563b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389
SHA5129f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85
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Filesize
804KB
MD5c578b6820bda5689940560147c6e5ffc
SHA1922e50d89c9c44bdc205ef17aa57212b64e58852
SHA2563b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389
SHA5129f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85