e27311ff3902a363712358eea8592ca31071bab168ff09374482bf893a61039a

General

Target

e53582e7dbeb7aex_JC.exe
Size

3.5MB
MD5

e53582e7dbeb7ac0d3528397f3b5faef
SHA1

6c2e2a8b82ae565ea1ca53696acc8ffb62b09b27
SHA256

e27311ff3902a363712358eea8592ca31071bab168ff09374482bf893a61039a
SHA512

f1a1badb84c72745ae2ab23d3b6c482f82b89e7596076328983545df275e11c37aa1bcff55d502c6b112d18955c45a26e1a06f95effad896f32c188fb6689977
SSDEEP

49152:dHK3ocHZd9i+Rj8HhL+BuHcoTdaYWVegnnqrSeyt4GcokGzrTrURQb0bHj5NQ:MT9lRIBWuBhBgqrSeuXkurUjbjbQ

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

2932 TysxClient_setup_2.0.107.exe
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeTysxClient_setup_2.0.107.exe

pid process

2480 regsvr32.exe
2932 TysxClient_setup_2.0.107.exe

pid	process
2932	TysxClient_setup_2.0.107.exe

pid	process
2480	regsvr32.exe
2932	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/2932-137-0x0000000000400000-0x000000000069E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/2480-142-0x0000000010000000-0x0000000010176000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/2932-144-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/2932-146-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/2932-148-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/2932-163-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/2932-175-0x0000000000400000-0x000000000069E000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

e53582e7dbeb7aex_JC.exe

description ioc process

File created C:\Program Files\TysxClient_setup_2.0.107.exe e53582e7dbeb7aex_JC.exe

description	ioc	process
File created	C:\Program Files\TysxClient_setup_2.0.107.exe	e53582e7dbeb7aex_JC.exe

Drops file in Windows directory 4 IoCs

Processes:

e53582e7dbeb7aex_JC.exe

description	ioc	process
File created	C:\WINDOWS\Media\ActiveX.ocx	e53582e7dbeb7aex_JC.exe
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	e53582e7dbeb7aex_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	e53582e7dbeb7aex_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	e53582e7dbeb7aex_JC.exe

Modifies registry class 37 IoCs

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft	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\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CLSID	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
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\0\win32	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}\ProxyStubClsid32	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\ = "{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\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}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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\ThreadingModel = "Apartment"	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	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\dm.dmsoft\CurVer	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\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ds.dll"	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}\ProxyStubClsid32	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\Interface\{F3F54BC2-D6D1-4A85-B943-16287ECEA64C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	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
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\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
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
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}	regsvr32.exe

NTFS ADS 3 IoCs

Processes:

e53582e7dbeb7aex_JC.exe

description	ioc	process
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	e53582e7dbeb7aex_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	e53582e7dbeb7aex_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	e53582e7dbeb7aex_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e53582e7dbeb7aex_JC.exe

pid process

4240 e53582e7dbeb7aex_JC.exe
4240 e53582e7dbeb7aex_JC.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

e53582e7dbeb7aex_JC.exe

pid process

4240 e53582e7dbeb7aex_JC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

e53582e7dbeb7aex_JC.exeTysxClient_setup_2.0.107.exe

pid process

4240 e53582e7dbeb7aex_JC.exe
2932 TysxClient_setup_2.0.107.exe
2932 TysxClient_setup_2.0.107.exe

pid	process
4240	e53582e7dbeb7aex_JC.exe
4240	e53582e7dbeb7aex_JC.exe

pid	process
4240	e53582e7dbeb7aex_JC.exe

pid	process
4240	e53582e7dbeb7aex_JC.exe
2932	TysxClient_setup_2.0.107.exe
2932	TysxClient_setup_2.0.107.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

e53582e7dbeb7aex_JC.exeTysxClient_setup_2.0.107.execmd.exe

description	pid	process	target process
PID 4240 wrote to memory of 2932	4240	e53582e7dbeb7aex_JC.exe	TysxClient_setup_2.0.107.exe
PID 4240 wrote to memory of 2932	4240	e53582e7dbeb7aex_JC.exe	TysxClient_setup_2.0.107.exe
PID 4240 wrote to memory of 2932	4240	e53582e7dbeb7aex_JC.exe	TysxClient_setup_2.0.107.exe
PID 2932 wrote to memory of 1396	2932	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2932 wrote to memory of 1396	2932	TysxClient_setup_2.0.107.exe	cmd.exe
PID 2932 wrote to memory of 1396	2932	TysxClient_setup_2.0.107.exe	cmd.exe
PID 1396 wrote to memory of 2480	1396	cmd.exe	regsvr32.exe
PID 1396 wrote to memory of 2480	1396	cmd.exe	regsvr32.exe
PID 1396 wrote to memory of 2480	1396	cmd.exe	regsvr32.exe
PID 4240 wrote to memory of 1120	4240	e53582e7dbeb7aex_JC.exe	regsvr32.exe
PID 4240 wrote to memory of 1120	4240	e53582e7dbeb7aex_JC.exe	regsvr32.exe
PID 4240 wrote to memory of 1120	4240	e53582e7dbeb7aex_JC.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\e53582e7dbeb7aex_JC.exe
"C:\Users\Admin\AppData\Local\Temp\e53582e7dbeb7aex_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:4240
- 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:2932
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c regsvr32 /s ds.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1396
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s ds.dll
      4⤵
      Loads dropped DLL
      Modifies registry class
      PID:2480
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
  2⤵
  PID:1120

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
cded92eae304db55e737583f7510d3a8

SHA1
ae42c5c557ff95e7d32dafc1d9d3abf92119dfa8

SHA256
8732f6efdab60be16e118446228992db04748fc41451e93383ce35935b8d911f

SHA512
53c18dc096c8bba574ae128df6678e8a686d9203d968135f682f26117eae8efff66a4a2680a4dbc322b5f7ddd37e3bb28d521d5687562d723cbc3aca57b172a5

Download Submit
memory/2480-142-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2932-137-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2932-144-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2932-145-0x0000000004220000-0x0000000004221000-memory.dmp

Filesize
4KB

Download
memory/2932-146-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2932-148-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/2932-163-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/2932-175-0x0000000000400000-0x000000000069E000-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