a04dad49e4b30e4f02f438b07371c5f75763a0a2a68981534b09fe631a698053

General

Target

NA_NA_4e5f8e52ccabadexeexe_JC.exe
Size

3.5MB
MD5

4e5f8e52ccabad4b821e7bdaa271a5dd
SHA1

ea7afad6b222b88c2aeb800a540fbcbd178fb2dc
SHA256

a04dad49e4b30e4f02f438b07371c5f75763a0a2a68981534b09fe631a698053
SHA512

5d58d3135d7f7a14d9ca1df53a1d5daa6382b7bddebdad1deb37a23c71a3c45c0065b0510dc4e70e023c2f26dd75734a6d467909df07ff7886fed4dd7a72af97
SSDEEP

49152:dHK3ocHZd9i+Rj8HhL+BuHcoTdaYWVegnnqrSeyt4GcokGzrTrURQb0bHj5Nj:MT9lRIBWuBhBgqrSeuXkurUjbjbj

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

1316 TysxClient_setup_2.0.107.exe
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeTysxClient_setup_2.0.107.exe

pid process

3272 regsvr32.exe
1316 TysxClient_setup_2.0.107.exe

pid	process
1316	TysxClient_setup_2.0.107.exe

pid	process
3272	regsvr32.exe
1316	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/1316-137-0x0000000000400000-0x000000000069E000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/3272-142-0x0000000010000000-0x0000000010176000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Temp\ds.dll	upx
behavioral2/memory/1316-144-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/1316-146-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/1316-148-0x0000000010000000-0x0000000010176000-memory.dmp	upx
behavioral2/memory/1316-161-0x0000000000400000-0x000000000069E000-memory.dmp	upx
behavioral2/memory/1316-173-0x0000000000400000-0x000000000069E000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

NA_NA_4e5f8e52ccabadexeexe_JC.exe

description ioc process

File created C:\Program Files\TysxClient_setup_2.0.107.exe NA_NA_4e5f8e52ccabadexeexe_JC.exe

description	ioc	process
File created	C:\Program Files\TysxClient_setup_2.0.107.exe	NA_NA_4e5f8e52ccabadexeexe_JC.exe

Drops file in Windows directory 4 IoCs

Processes:

NA_NA_4e5f8e52ccabadexeexe_JC.exe

description	ioc	process
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_4e5f8e52ccabadexeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_4e5f8e52ccabadexeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_4e5f8e52ccabadexeexe_JC.exe
File created	C:\WINDOWS\Media\ActiveX.ocx	NA_NA_4e5f8e52ccabadexeexe_JC.exe

Modifies registry class 37 IoCs

Processes:

regsvr32.exe

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

NTFS ADS 3 IoCs

Processes:

NA_NA_4e5f8e52ccabadexeexe_JC.exe

description	ioc	process
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.ldb	NA_NA_4e5f8e52ccabadexeexe_JC.exe
File created	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_4e5f8e52ccabadexeexe_JC.exe
File opened for modification	C:\WINDOWS\Media\Desktop.ini:dbase.mdb	NA_NA_4e5f8e52ccabadexeexe_JC.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

NA_NA_4e5f8e52ccabadexeexe_JC.exe

pid process

1904 NA_NA_4e5f8e52ccabadexeexe_JC.exe
1904 NA_NA_4e5f8e52ccabadexeexe_JC.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

NA_NA_4e5f8e52ccabadexeexe_JC.exe

pid process

1904 NA_NA_4e5f8e52ccabadexeexe_JC.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

NA_NA_4e5f8e52ccabadexeexe_JC.exeTysxClient_setup_2.0.107.exe

pid process

1904 NA_NA_4e5f8e52ccabadexeexe_JC.exe
1316 TysxClient_setup_2.0.107.exe
1316 TysxClient_setup_2.0.107.exe

pid	process
1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe
1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe

pid	process
1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe

pid	process
1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe
1316	TysxClient_setup_2.0.107.exe
1316	TysxClient_setup_2.0.107.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

NA_NA_4e5f8e52ccabadexeexe_JC.exeTysxClient_setup_2.0.107.execmd.exe

description	pid	process	target process
PID 1904 wrote to memory of 1316	1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1904 wrote to memory of 1316	1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1904 wrote to memory of 1316	1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe	TysxClient_setup_2.0.107.exe
PID 1316 wrote to memory of 4636	1316	TysxClient_setup_2.0.107.exe	cmd.exe
PID 1316 wrote to memory of 4636	1316	TysxClient_setup_2.0.107.exe	cmd.exe
PID 1316 wrote to memory of 4636	1316	TysxClient_setup_2.0.107.exe	cmd.exe
PID 4636 wrote to memory of 3272	4636	cmd.exe	regsvr32.exe
PID 4636 wrote to memory of 3272	4636	cmd.exe	regsvr32.exe
PID 4636 wrote to memory of 3272	4636	cmd.exe	regsvr32.exe
PID 1904 wrote to memory of 1312	1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe	regsvr32.exe
PID 1904 wrote to memory of 1312	1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe	regsvr32.exe
PID 1904 wrote to memory of 1312	1904	NA_NA_4e5f8e52ccabadexeexe_JC.exe	regsvr32.exe

C:\Users\Admin\AppData\Local\Temp\NA_NA_4e5f8e52ccabadexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NA_NA_4e5f8e52ccabadexeexe_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:1904
- 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:1316
- - C:\Windows\SysWOW64\cmd.exe
    cmd.exe /c regsvr32 /s ds.dll
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4636
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 /s ds.dll
      4⤵
      Loads dropped DLL
      Modifies registry class
      PID:3272
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 C:\WINDOWS\Media\ActiveX.ocx /s
  2⤵
  PID:1312

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
6f846b8c5303ca481cae40e6350bbd94

SHA1
ba9fc4647c528a6b7caa61c66af757f93598a3df

SHA256
1e3a24c5d39f82f6a90e37e31c820fa4fcb96f883af1c558a7059a5ad8526039

SHA512
782de5cc30e9a2d13781e38d762c06847b4ffce6fbe2111101200def38c5ebd5a3bbec906358ffd9a13e30ec20ef32759d7589ee92320826b251d1122e16441b

Download Submit
memory/1316-137-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1316-144-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/1316-145-0x0000000004360000-0x0000000004361000-memory.dmp

Filesize
4KB

Download
memory/1316-146-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1316-148-0x0000000010000000-0x0000000010176000-memory.dmp

Filesize
1.5MB

Download
memory/1316-161-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/1316-173-0x0000000000400000-0x000000000069E000-memory.dmp

Filesize
2.6MB

Download
memory/3272-142-0x0000000010000000-0x0000000010176000-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