7ef7986a17c21ab77b164ca8953128ce62b0625254286fd06562fb3690490158

General

Target

NA_NA_294a3223b8469aexeexe_JC.exe
Size

3.5MB
MD5

294a3223b8469ab438041daf791513fc
SHA1

881791673ee26b02ab958193bbd00f07d89954ea
SHA256

7ef7986a17c21ab77b164ca8953128ce62b0625254286fd06562fb3690490158
SHA512

b6289a9f2da613332c9c1fa208ad053ffb06eb199c40151192b1d2c701285b8236bbf488925e43fadba3548dbda892525446af5ac88f6d9247c6a8cf64264637
SSDEEP

49152:dHK3ocHZd9i+Rj8HhL+BuHcoTdaYWVegnnqrSeyt4GcokGzrTrURQb0bHj5Nz:MT9lRIBWuBhBgqrSeuXkurUjbjbz

Score

7^/10

upx

Malware Config

Signatures

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.exe

pid process

2540 TysxClient_setup_2.0.107.exe
Loads dropped DLL 3 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exeregsvr32.exeTysxClient_setup_2.0.107.exe

pid process

2680 NA_NA_294a3223b8469aexeexe_JC.exe
3020 regsvr32.exe
2540 TysxClient_setup_2.0.107.exe

pid	process
2540	TysxClient_setup_2.0.107.exe

pid	process
2680	NA_NA_294a3223b8469aexeexe_JC.exe
3020	regsvr32.exe
2540	TysxClient_setup_2.0.107.exe

UPX packed file 13 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

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/2540-60-0x0000000000400000-0x000000000069E000-memory.dmp	upx
C:\Program Files\TysxClient_setup_2.0.107.exe	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral1/memory/3020-72-0x0000000010000000-0x0000000010176000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral1/memory/2540-74-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral1/memory/2540-91-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral1/memory/2540-93-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral1/memory/2540-108-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral1/memory/2540-120-0x0000000000400000-0x000000000069E000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exe

description ioc process

File created C:\Program Files\TysxClient_setup_2.0.107.exe NA_NA_294a3223b8469aexeexe_JC.exe

description	ioc	process
File created	C:\Program Files\TysxClient_setup_2.0.107.exe	NA_NA_294a3223b8469aexeexe_JC.exe

Drops file in Windows directory 4 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exe

description	ioc	process
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_294a3223b8469aexeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_294a3223b8469aexeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_294a3223b8469aexeexe_JC.exe
File created	C:\WINDOWS\Media\ActiveX.ocx	NA_NA_294a3223b8469aexeexe_JC.exe

Modifies registry class 37 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}	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
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\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR	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\Wow6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\InprocServer32\ThreadingModel = "Apartment"	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\0\win32	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\Version = "1.0"	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\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft"	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}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ds.dll"	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}\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\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}"	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\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ds.dll"	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
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}	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}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\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}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe

NTFS ADS 3 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exe

description	ioc	process
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_294a3223b8469aexeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_294a3223b8469aexeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_294a3223b8469aexeexe_JC.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exe

pid process

2680 NA_NA_294a3223b8469aexeexe_JC.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exe

pid process

2680 NA_NA_294a3223b8469aexeexe_JC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exeTysxClient_setup_2.0.107.exe

pid process

2680 NA_NA_294a3223b8469aexeexe_JC.exe
2540 TysxClient_setup_2.0.107.exe
2540 TysxClient_setup_2.0.107.exe

pid	process
2680	NA_NA_294a3223b8469aexeexe_JC.exe

pid	process
2680	NA_NA_294a3223b8469aexeexe_JC.exe

pid	process
2680	NA_NA_294a3223b8469aexeexe_JC.exe
2540	TysxClient_setup_2.0.107.exe
2540	TysxClient_setup_2.0.107.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exeTysxClient_setup_2.0.107.execmd.exe

description	pid	process	target process
PID 2680 wrote to memory of 2540	2680	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2680 wrote to memory of 2540	2680	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2680 wrote to memory of 2540	2680	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2680 wrote to memory of 2540	2680	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2680 wrote to memory of 2540	2680	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2680 wrote to memory of 2540	2680	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2680 wrote to memory of 2540	2680	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2540 wrote to memory of 2968	2540	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2540 wrote to memory of 2968	2540	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2540 wrote to memory of 2968	2540	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2540 wrote to memory of 2968	2540	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2968 wrote to memory of 3020	2968	cmd.exe	regsvr32.exe
PID 2968 wrote to memory of 3020	2968	cmd.exe	regsvr32.exe
PID 2968 wrote to memory of 3020	2968	cmd.exe	regsvr32.exe
PID 2968 wrote to memory of 3020	2968	cmd.exe	regsvr32.exe
PID 2968 wrote to memory of 3020	2968	cmd.exe	regsvr32.exe
PID 2968 wrote to memory of 3020	2968	cmd.exe	regsvr32.exe
PID 2968 wrote to memory of 3020	2968	cmd.exe	regsvr32.exe
PID 2680 wrote to memory of 2448	2680	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2680 wrote to memory of 2448	2680	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2680 wrote to memory of 2448	2680	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2680 wrote to memory of 2448	2680	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2680 wrote to memory of 2448	2680	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2680 wrote to memory of 2448	2680	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2680 wrote to memory of 2448	2680	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\NA_NA_294a3223b8469aexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_294a3223b8469aexeexe_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:2680
- 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:2540
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c regsvr32 /s ds.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2968
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s ds.dll
      4⤵
      Loads dropped DLL
      Modifies registry class
      PID:3020
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
  2⤵
  PID:2448

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Program Files\TysxClient_setup_2.0.107.exe

Filesize
1.3MB

MD5
33d529127707cf47856c60c44d6ca585

SHA1
ac9df8cc473ed595e53832ee3025e4a455283511

SHA256
fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

SHA512
6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

Download Submit
C:\Program Files\TysxClient_setup_2.0.107.exe

Filesize
1.3MB

MD5
33d529127707cf47856c60c44d6ca585

SHA1
ac9df8cc473ed595e53832ee3025e4a455283511

SHA256
fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

SHA512
6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

Download Submit
C:\Users\Admin\AppData\Local\Temp\ds.dll

Filesize
804KB

MD5
c578b6820bda5689940560147c6e5ffc

SHA1
922e50d89c9c44bdc205ef17aa57212b64e58852

SHA256
3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

SHA512
9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

Download Submit
C:\WINDOWS\Media\ActiveX.ocx

Filesize
12B

MD5
04499af7485d9399928a27c9986ced34

SHA1
3808e80dd3f07dc12b453d9bc34573e3d1b3ce33

SHA256
3a58a0834d66edd8a5bf91032bc4b203c558efff186c1e56bcd881f9a42ab627

SHA512
1764172b7fcddafbeeb95a51c67baf62e7ee7eb964ea87a851416519b2b560cc5fcc2b62307f390be5bb77e79b032c474b3337b70b9b3e131560cd1bac0c87aa

Download Submit
\Program Files\TysxClient_setup_2.0.107.exe

Filesize
1.3MB

MD5
33d529127707cf47856c60c44d6ca585

SHA1
ac9df8cc473ed595e53832ee3025e4a455283511

SHA256
fdfcad4be0ba4d01b62be2004b780cd1d811191ef5ab0096834f665f8812c3de

SHA512
6a4fdb84503ab298563c95ee4dfcc417ed9d9541c8fd3078997aeed5849a2f75ebb247986b23cfa31dc3ea2a3dca773860fee6b6705c5c343179e290e26bcf0e

Download Submit
\Users\Admin\AppData\Local\Temp\ds.dll

Filesize
804KB

MD5
c578b6820bda5689940560147c6e5ffc

SHA1
922e50d89c9c44bdc205ef17aa57212b64e58852

SHA256
3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

SHA512
9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

Download Submit
\Users\Admin\AppData\Local\Temp\ds.dll

Filesize
804KB

MD5
c578b6820bda5689940560147c6e5ffc

SHA1
922e50d89c9c44bdc205ef17aa57212b64e58852

SHA256
3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

SHA512
9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

Download Submit
memory/2540-60-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2540-74-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2540-80-0x0000000003280000-0x0000000003281000-memory.dmp

Filesize
4KB

Download
memory/2540-91-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2540-93-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2540-108-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2540-120-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2680-90-0x0000000002240000-0x00000000024DE000-memory.dmp

Filesize
2.6MB

Download
memory/2680-59-0x0000000002240000-0x00000000024DE000-memory.dmp

Filesize
2.6MB

Download
memory/3020-72-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads