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
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

4336 TysxClient_setup_2.0.107.exe
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeTysxClient_setup_2.0.107.exe

pid process

3400 regsvr32.exe
4336 TysxClient_setup_2.0.107.exe

pid	process
4336	TysxClient_setup_2.0.107.exe

pid	process
3400	regsvr32.exe
4336	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/4336-137-0x0000000000400000-0x000000000069E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/3400-142-0x0000000010000000-0x0000000010176000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/4336-144-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/4336-146-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/4336-148-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/4336-163-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/4336-175-0x0000000000400000-0x000000000069E000-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\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	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
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft	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}\InprocServer32	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\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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\ = "dm.dmsoft"	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
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
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\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib\ = "{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID\ = "{26037A0E-7CBD-4FFF-9C63-56F2D0770214}"	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
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ = "Idmsoft"	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\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\CLSID\{26037A0E-7CBD-4FFF-9C63-56F2D0770214}	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\0	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}\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\WOW6432Node\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\TypeLib	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\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{84288AAD-BA02-4EF2-85EC-3FAD4D11354D}\1.0\HELPDIR	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 2 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exe

pid process

2992 NA_NA_294a3223b8469aexeexe_JC.exe
2992 NA_NA_294a3223b8469aexeexe_JC.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exe

pid process

2992 NA_NA_294a3223b8469aexeexe_JC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exeTysxClient_setup_2.0.107.exe

pid process

2992 NA_NA_294a3223b8469aexeexe_JC.exe
4336 TysxClient_setup_2.0.107.exe
4336 TysxClient_setup_2.0.107.exe

pid	process
2992	NA_NA_294a3223b8469aexeexe_JC.exe
2992	NA_NA_294a3223b8469aexeexe_JC.exe

pid	process
2992	NA_NA_294a3223b8469aexeexe_JC.exe

pid	process
2992	NA_NA_294a3223b8469aexeexe_JC.exe
4336	TysxClient_setup_2.0.107.exe
4336	TysxClient_setup_2.0.107.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NA_NA_294a3223b8469aexeexe_JC.exeTysxClient_setup_2.0.107.execmd.exe

description	pid	process	target process
PID 2992 wrote to memory of 4336	2992	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2992 wrote to memory of 4336	2992	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 2992 wrote to memory of 4336	2992	NA_NA_294a3223b8469aexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 4336 wrote to memory of 2040	4336	TysxClient_setup_2.0.107.exe	cmd.exe
PID 4336 wrote to memory of 2040	4336	TysxClient_setup_2.0.107.exe	cmd.exe
PID 4336 wrote to memory of 2040	4336	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2040 wrote to memory of 3400	2040	cmd.exe	regsvr32.exe
PID 2040 wrote to memory of 3400	2040	cmd.exe	regsvr32.exe
PID 2040 wrote to memory of 3400	2040	cmd.exe	regsvr32.exe
PID 2992 wrote to memory of 5040	2992	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2992 wrote to memory of 5040	2992	NA_NA_294a3223b8469aexeexe_JC.exe	regsvr32.exe
PID 2992 wrote to memory of 5040	2992	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⤵
- 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:2992
- 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:4336
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c regsvr32 /s ds.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2040
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s ds.dll
      4⤵
      Loads dropped DLL
      Modifies registry class
      PID:3400
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
  2⤵
  PID:5040

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
12ebc95c8b81a3f73cedba9847369e1c

SHA1
eda71dc7d9d8163ffe6f16517b731f70a578bb3f

SHA256
fe7c43ad50576ec1394712967fab614109f56cf147bdf2d732fd3e393e7506d4

SHA512
d2782614611389ef5b4808b086aaeed095e83818fd886a128d68c36069e7d3110191ad76b6bb2f09b0aeec7aebd9fab81a2d3ac14d0341929ae74c26c2f102f1

Download Submit
memory/3400-142-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/4336-137-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4336-144-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/4336-145-0x00000000040E0000-0x00000000040E1000-memory.dmp

Filesize
4KB

Download
memory/4336-146-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4336-148-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/4336-163-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/4336-175-0x0000000000400000-0x000000000069E000-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