94e479ef08b0e546f4598efce8dfb237c3208ffa70a553b5519fd336a8f30f37

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/09/2024, 10:04

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General

Target

94e479ef08b0e546f4598efce8dfb237c3208ffa70a553b5519fd336a8f30f37.dll
Size

6.6MB
MD5

91ead0a1293d0a89b7b68a577f60271a
SHA1

0067540731ef0ad57f1054b9818eac126a997a29
SHA256

94e479ef08b0e546f4598efce8dfb237c3208ffa70a553b5519fd336a8f30f37
SHA512

744028cc472e052c3572a195f37b62d92f4e5d4810bcce893f288e2f1950f9354af6cf4f5157489ac8eaf349273f6f6b7f31981ad085db79953cb520dde3d44b
SSDEEP

98304:kZaa3ZILbpZcvrVoZr8UNb6TUk+zZ/7tdJf5d0kacIzM:/apuZcSNbmUR1fpaZ

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2964	winaip.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\winaip.exe	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winaip.exe

Modifies registry class 64 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3D818FF9-7402-43AF-A880-5BC5B1EBEC9F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\Control	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\shell\print\command	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\AuxUserType	winaip.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\EditFlags = 00000100	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\ProgID	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\DefaultIcon	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FF75AC5B-D15E-41FA-9944-4352E6D34798}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FF75AC5B-D15E-41FA-9944-4352E6D34798}\ = "_DHWNJPostil"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3D818FF9-7402-43AF-A880-5BC5B1EBEC9F}\ = "IFontMapper"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\Insertable	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\Printable	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3148F938-794D-47E1-B868-19E835EDC8F9}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6BDA53C0-9019-4956-B6C9-7ED71D711973}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\MiscStatus	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\shell	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\Verb	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3D818FF9-7402-43AF-A880-5BC5B1EBEC9F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\protocol\StdFileEditing\verb	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\MiscStatus	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\aip\printer\EMB_FLAG_EmbFontNum = "3000"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D2681306-01E3-45A2-B8FF-6649AA969C46}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3148F938-794D-47E1-B868-19E835EDC8F9}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3D818FF9-7402-43AF-A880-5BC5B1EBEC9F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3D818FF9-7402-43AF-A880-5BC5B1EBEC9F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\Insertable\	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.aip	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\DefaultIcon	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\AuxUserType\2\ = "Winaip"	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3D818FF9-7402-43AF-A880-5BC5B1EBEC9F}\TypeLib\ = "{D2681306-01E3-45A2-B8FF-6649AA969C46}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{6BDA53C0-9019-4956-B6C9-7ED71D711973}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\aip	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PowerPoint.Show.8\shell\TrustedPdf´ò¿ª\command\ = "\"C:\\Windows\\winaip.exe\" \"%1\""	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\shell\open\command\ = "C:\\Windows\\winaip.exe \"%1\""	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3148F938-794D-47E1-B868-19E835EDC8F9}\ = "_DHWNJPostilEvents"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\TypeLib\ = "{D2681306-01E3-45A2-B8FF-6649AA969C46}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\ = "Winaip Document"	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\shell\printto\command	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\protocol\StdFileEditing	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3148F938-794D-47E1-B868-19E835EDC8F9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Word.Document.8\shell\TrustedPdf´ò¿ª\command\ = "\"C:\\Windows\\winaip.exe\" \"%1\""	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\shell\open\command	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\shell\print\command\ = "C:\\Windows\\winaip.exe /p \"%1\""	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\CLSID\ = "{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}"	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FF75AC5B-D15E-41FA-9944-4352E6D34798}\ = "_DHWNJPostil"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\SOFTWARE\aip\printer	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WinAip\DefaultIcon\ = "C:\\Windows\\winaip.exe,0"	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\Printable\	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D2681306-01E3-45A2-B8FF-6649AA969C46}\1.0\ = "HWForNJJG ActiveX Control module"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D2681306-01E3-45A2-B8FF-6649AA969C46}\1.0\0\win32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2	winaip.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\aip.document.2\DefaultIcon\ = "C:\\Windows\\winaip.exe,0"	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E9BCBFA2-BC58-424B-A8FE-D294A7E04657}\AuxUserType\2	winaip.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D2681306-01E3-45A2-B8FF-6649AA969C46}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D2681306-01E3-45A2-B8FF-6649AA969C46}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{FF75AC5B-D15E-41FA-9944-4352E6D34798}\TypeLib\ = "{D2681306-01E3-45A2-B8FF-6649AA969C46}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{EC31B0F3-9A21-4859-ABA9-11A35EFE6379}\MiscStatus\ = "0"	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2964	winaip.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2420	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2420	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2420	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2420	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2420	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2420	2408	regsvr32.exe	28
PID 2408 wrote to memory of 2420	2408	regsvr32.exe	28
PID 2420 wrote to memory of 2964	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2964	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2964	2420	regsvr32.exe	29
PID 2420 wrote to memory of 2964	2420	regsvr32.exe	29

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\94e479ef08b0e546f4598efce8dfb237c3208ffa70a553b5519fd336a8f30f37.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\94e479ef08b0e546f4598efce8dfb237c3208ffa70a553b5519fd336a8f30f37.dll
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Windows\winaip.exe
    "C:\Windows\winaip.exe" -regaip
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious use of SetWindowsHookEx
    PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\winaip.exe

Filesize
46KB

MD5
a344630ea27cc4ac558f3f50990f5eda

SHA1
39da423851d26ca9f177dc0dcff4e037e779476a

SHA256
b99b6dba4d1f6de19ab6792e9a3b7527e0a0c59137fade67a12406f92812f09e

SHA512
b423c14c8b2ec5c4a45a516abdc292a84d1501c2141db239d95c758312b835d6e31a658c73317550bc2827d3189ea5eace5916a9481af8a5aae7def92fb4352a

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