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

1748 TysxClient_setup_2.0.107.exe
Loads dropped DLL 3 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exeregsvr32.exeTysxClient_setup_2.0.107.exe

pid process

2488 NA_NA_36527c3ac189e4exeexe_JC.exe
2848 regsvr32.exe
1748 TysxClient_setup_2.0.107.exe

pid	process
1748	TysxClient_setup_2.0.107.exe

pid	process
2488	NA_NA_36527c3ac189e4exeexe_JC.exe
2848	regsvr32.exe
1748	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
behavioral1/memory/1748-60-0x0000000000400000-0x000000000069E000-memory.dmp	upx
C:\Program Files\TysxClient_setup_2.0.107.exe	upx
C:\Program Files\TysxClient_setup_2.0.107.exe	upx
\Users\Admin\AppData\Local\Temp\ds.dll	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral1/memory/2848-72-0x0000000010000000-0x0000000010176000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral1/memory/1748-74-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral1/memory/1748-91-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral1/memory/1748-93-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral1/memory/1748-108-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral1/memory/1748-120-0x0000000000400000-0x000000000069E000-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 created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_36527c3ac189e4exeexe_JC.exe
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

Modifies registry class 37 IoCs

Processes:

regsvr32.exe

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

NTFS ADS 3 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

pid process

2488 NA_NA_36527c3ac189e4exeexe_JC.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exe

pid process

2488 NA_NA_36527c3ac189e4exeexe_JC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exeTysxClient_setup_2.0.107.exe

pid process

2488 NA_NA_36527c3ac189e4exeexe_JC.exe
1748 TysxClient_setup_2.0.107.exe
1748 TysxClient_setup_2.0.107.exe

pid	process
2488	NA_NA_36527c3ac189e4exeexe_JC.exe

pid	process
2488	NA_NA_36527c3ac189e4exeexe_JC.exe

pid	process
2488	NA_NA_36527c3ac189e4exeexe_JC.exe
1748	TysxClient_setup_2.0.107.exe
1748	TysxClient_setup_2.0.107.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

NA_NA_36527c3ac189e4exeexe_JC.exeTysxClient_setup_2.0.107.execmd.exe

description	pid	process	target process
PID 2488 wrote to memory of 1748	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2488 wrote to memory of 1748	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2488 wrote to memory of 1748	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2488 wrote to memory of 1748	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2488 wrote to memory of 1748	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2488 wrote to memory of 1748	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2488 wrote to memory of 1748	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1748 wrote to memory of 3044	1748	TysxClient_setup_2.0.107.exe	cmd.exe
PID 1748 wrote to memory of 3044	1748	TysxClient_setup_2.0.107.exe	cmd.exe
PID 1748 wrote to memory of 3044	1748	TysxClient_setup_2.0.107.exe	cmd.exe
PID 1748 wrote to memory of 3044	1748	TysxClient_setup_2.0.107.exe	cmd.exe
PID 3044 wrote to memory of 2848	3044	cmd.exe	regsvr32.exe
PID 3044 wrote to memory of 2848	3044	cmd.exe	regsvr32.exe
PID 3044 wrote to memory of 2848	3044	cmd.exe	regsvr32.exe
PID 3044 wrote to memory of 2848	3044	cmd.exe	regsvr32.exe
PID 3044 wrote to memory of 2848	3044	cmd.exe	regsvr32.exe
PID 3044 wrote to memory of 2848	3044	cmd.exe	regsvr32.exe
PID 3044 wrote to memory of 2848	3044	cmd.exe	regsvr32.exe
PID 2488 wrote to memory of 2736	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 2488 wrote to memory of 2736	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 2488 wrote to memory of 2736	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 2488 wrote to memory of 2736	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 2488 wrote to memory of 2736	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 2488 wrote to memory of 2736	2488	NA_NA_36527c3ac189e4exeexe_JC.exe	regsvr32.exe
PID 2488 wrote to memory of 2736	2488	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⤵
- 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:2488
- 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:1748
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c regsvr32 /s ds.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s ds.dll
      4⤵
      Loads dropped DLL
      Modifies registry class
      PID:2848
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
  2⤵
  PID:2736

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
65dc599af939095723a6c69b19dd0884

SHA1
8cd6fc9c7c1d094b55413c2d032525eaf2d29218

SHA256
5ddf661ff192febf45a47e1e1b245a81c03ab759a70b20255ff60ed4fa8190b2

SHA512
74d1e42cca47b9ab97f2d6fd59f3d5ba588da3221a8d67a2e09d2969922235571e5e79b682cae43b3132c36c68647e2bb051d0f0f0f3d20b95e9e40e4bf24b9c

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/1748-60-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1748-74-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/1748-80-0x0000000003280000-0x0000000003281000-memory.dmp

Filesize
4KB

Download
memory/1748-91-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1748-93-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/1748-108-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1748-120-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2488-90-0x0000000002430000-0x00000000026CE000-memory.dmp

Filesize
2.6MB

Download
memory/2488-58-0x0000000002430000-0x00000000026CE000-memory.dmp

Filesize
2.6MB

Download
memory/2848-72-0x0000000010000000-0x0000000010176000-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