97704d5f711b29df7a98ad9d9191bdab9a69ced61f2b34dc3b4dddee780767a3

General

Target

NA_NA_36527c3ac189e4exeexe_JC.exe
Size

3.5MB
MD5

36527c3ac189e42033bc7aad73e7450f
SHA1

d29d42ee192d52da8b8f47fe9e67f56102dcd9d0
SHA256

97704d5f711b29df7a98ad9d9191bdab9a69ced61f2b34dc3b4dddee780767a3
SHA512

2e765a7ea573f8e2dd293f67b05b8a647df21f0c0482c655a1b4297110d5ac2fb8ead287990d4c4a7537389ecab06545dd96554c041ceae5bbf426e2d4d83391
SSDEEP

49152:dHK3ocHZd9i+Rj8HhL+BuHcoTdaYWVegnnqrSeyt4GcokGzrTrURQb0bHj5N2:MT9lRIBWuBhBgqrSeuXkurUjbjb2

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
C:\Users\Admin\AppData\Local\Temp\ds.dll	acprotect
C:\Users\Admin\AppData\Local\Temp\ds.dll	acprotect

Executes dropped EXE 1 IoCs

Processes:

TysxClient_setup_2.0.107.exe

pid process

4980 TysxClient_setup_2.0.107.exe
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeTysxClient_setup_2.0.107.exe

pid process

3656 regsvr32.exe
4980 TysxClient_setup_2.0.107.exe

pid	process
4980	TysxClient_setup_2.0.107.exe

pid	process
3656	regsvr32.exe
4980	TysxClient_setup_2.0.107.exe

UPX packed file 12 IoCs

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

upx

Processes:

resource	yara_rule
C:\Program Files\TysxClient_setup_2.0.107.exe	upx
C:\Program Files\TysxClient_setup_2.0.107.exe	upx
behavioral2/memory/4980-137-0x0000000000400000-0x000000000069E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/3656-142-0x0000000010000000-0x0000000010176000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/4980-144-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/4980-146-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/4980-148-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/4980-163-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/4980-175-0x0000000000400000-0x000000000069E000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

description ioc process

File created C:\Program Files\TysxClient_setup_2.0.107.exe NA_NA_36527c3ac189e4exeexe_JC.exe

description	ioc	process
File created	C:\Program Files\TysxClient_setup_2.0.107.exe	NA_NA_36527c3ac189e4exeexe_JC.exe

Drops file in Windows directory 4 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

description	ioc	process
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_36527c3ac189e4exeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_36527c3ac189e4exeexe_JC.exe
File created	C:\WINDOWS\Media\ActiveX.ocx	NA_NA_36527c3ac189e4exeexe_JC.exe
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_36527c3ac189e4exeexe_JC.exe

Modifies registry class 37 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer\ = "dm.dmsoft"	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\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\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer	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\WOW6432Node\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}\ProgID	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\Version = "1.0"	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\0\win32	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}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	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\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\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	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}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "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\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS\ = "0"	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\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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\FLAGS	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\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32	regsvr32.exe

NTFS ADS 3 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

description	ioc	process
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_36527c3ac189e4exeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_36527c3ac189e4exeexe_JC.exe
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_36527c3ac189e4exeexe_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

pid process

1652 NA_NA_36527c3ac189e4exeexe_JC.exe
1652 NA_NA_36527c3ac189e4exeexe_JC.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

pid process

1652 NA_NA_36527c3ac189e4exeexe_JC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exeTysxClient_setup_2.0.107.exe

pid process

1652 NA_NA_36527c3ac189e4exeexe_JC.exe
4980 TysxClient_setup_2.0.107.exe
4980 TysxClient_setup_2.0.107.exe

pid	process
1652	NA_NA_36527c3ac189e4exeexe_JC.exe
1652	NA_NA_36527c3ac189e4exeexe_JC.exe

pid	process
1652	NA_NA_36527c3ac189e4exeexe_JC.exe

pid	process
1652	NA_NA_36527c3ac189e4exeexe_JC.exe
4980	TysxClient_setup_2.0.107.exe
4980	TysxClient_setup_2.0.107.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exeTysxClient_setup_2.0.107.execmd.exe

description	pid	process	target process
PID 1652 wrote to memory of 4980	1652	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1652 wrote to memory of 4980	1652	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1652 wrote to memory of 4980	1652	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 4980 wrote to memory of 3900	4980	TysxClient_setup_2.0.107.exe	cmd.exe
PID 4980 wrote to memory of 3900	4980	TysxClient_setup_2.0.107.exe	cmd.exe
PID 4980 wrote to memory of 3900	4980	TysxClient_setup_2.0.107.exe	cmd.exe
PID 3900 wrote to memory of 3656	3900	cmd.exe	regsvr32.exe
PID 3900 wrote to memory of 3656	3900	cmd.exe	regsvr32.exe
PID 3900 wrote to memory of 3656	3900	cmd.exe	regsvr32.exe
PID 1652 wrote to memory of 848	1652	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 1652 wrote to memory of 848	1652	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 1652 wrote to memory of 848	1652	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\NA_NA_36527c3ac189e4exeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_36527c3ac189e4exeexe_JC.exe"
1⤵
- 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:1652
- 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:4980
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c regsvr32 /s ds.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3900
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s ds.dll
      4⤵
      Loads dropped DLL
      Modifies registry class
      PID:3656
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
  2⤵
  PID:848

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:\Users\Admin\AppData\Local\Temp\ds.dll

Filesize
804KB

MD5
c578b6820bda5689940560147c6e5ffc

SHA1
922e50d89c9c44bdc205ef17aa57212b64e58852

SHA256
3b6ddc32b800a18b21a819e842cbfdd57cb065fd92cc69545e0ef29b97cfd389

SHA512
9f2a1bb5788ad245242d12968bbf198af2694a87c6e2342f14672e8c14e8489dd3319434592fc9b20f620557d0fa58482903d19c7f5ba32456a1e4076dc1bb85

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
f96d0bd0f32094ccfe57f564acb3c9ea

SHA1
e7207e34009004b14e62a753f3098e68bb1eed1e

SHA256
ce7d3f53897e986c7ec875f26d5600f96a112544d4aaab2e304371e41d92c327

SHA512
0eefd57d89feb7d59b7da95579333c404a3e53a60052dcc4b842cf66da057e2637f7a6114e42966dd0fd2e32e3ee2ecb1dc2d46be3abf906af9975707f74720d

Download Submit
memory/3656-142-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/4980-137-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4980-144-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/4980-145-0x00000000040E0000-0x00000000040E1000-memory.dmp

Filesize
4KB

Download
memory/4980-146-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4980-148-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/4980-163-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4980-175-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads