f64de4aee0bc21db63da573ccb97b7d9a8d1e8dfc29bef72d8c8f26c4ec640cc

Analysis

max time kernel
90s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 03:49

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General

Target
$TEMP/dodolook143.exe
Size 156KB
Sample240203-edmf8sgdc9
SHA256 7a3580162e433907567f3fc671f10d176f8c1c614b8da6f845092cc1ad4ab1de
MD5 25d0e5e42d79ef68c7afb18a4bad01a3
SHA1 6c4d0cd6e550abca32e4f526ca09a23944dd1470
SHA512 e092a52b5b375f769fbd63d3194bc8444d4c12a4e140be052d77b0ad60f8ad380e72afd5b97656b4622f9fc53dd9cfae6d6d6fbf01ff3fc608556db39562244f
SSDEEP 1536:vrTD44bro1me6mEizGio8LV9lmScfQdElTPaCtaqiJT/vSJ4DFNhanR/2Notiie:TTD+mV+zGiocV9lSZvsZS52Notiie
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

adware stealer

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4024	dodolook143.exe

Installs/modifies Browser Helper Object 2 TTPs 1 IoCs

BHOs are DLL modules which act as plugins for Internet Explorer.

stealer adware

Modify Registry

T1112

Browser Extensions

T1176

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}	dodolook143.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cnwin.dll	dodolook143.exe

Modifies registry class 46 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin.1\ = "cnwin Class"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin.1\CLSID	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\TypeLib\ = "{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\FLAGS\ = "0"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\HELPDIR	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\InprocServer32\ = "C:\\Windows\\SysWow64\\cnwin.dll"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\ProxyStubClsid32	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin.1\CLSID\ = "{EC497BD8-460F-44F0-B2A4-8C2B2198035B}"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin\CLSID\ = "{EC497BD8-460F-44F0-B2A4-8C2B2198035B}"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin\CurVer\ = "Ccnwin.cnwin.1"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\ = "cnwin Class"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\VersionIndependentProgID	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\VersionIndependentProgID\ = "Ccnwin.cnwin"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\ = "ccnwin 1.0 Type Library"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\cnwin.dll"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\ = "Icnwin"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\TypeLib\ = "{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin.1	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin\ = "cnwin Class"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\TypeLib\ = "{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\TypeLib\Version = "1.0"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\InprocServer32\ThreadingModel = "Apartment"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\FLAGS	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\0\win32	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\HELPDIR\ = "C:\\Windows\\system32"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\TypeLib\Version = "1.0"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin\CLSID	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Ccnwin.cnwin\CurVer	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\ = "Icnwin"	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\ProgID\ = "Ccnwin.cnwin.1"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{D1D8C9F4-C89A-4984-B60E-DD3F960063C0}\1.0\0	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\TypeLib	dodolook143.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\TypeLib	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\ProgID	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\Programmable	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\InprocServer32	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EC497BD8-460F-44F0-B2A4-8C2B2198035B}\TypeLib	dodolook143.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{FD795A2D-08DF-4B11-962D-F935DE12C22C}\ProxyStubClsid32	dodolook143.exe

C:\Users\Admin\AppData\Local\Temp\$TEMP\dodolook143.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\dodolook143.exe"
1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
PID:4024

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

cnwin.dll

Path C:\Windows\SysWOW64\cnwin.dll
Size 92KB
SHA256 b92bc1b2f9489c0cc0bf946c857a8509ea592497e585adc373b94f51c6eca222
MD5 7b3a1ad439a0438b066da79f1e36bfce
SHA1 9776b84abf301504ea055a4015cdd1da8acc4e39
SHA512 ee8bd66a5ad11ba323d50fb77de7620a670043b765e62480b0be41afd8516e53b611c5ec527f3747efb061fa2fec9e503d8ed12ec08422ee42e1a2cd44c569ae
SSDEEP 1536:J9lmScfQdElTPaCtaqiJT/vSJ4DFNhanR/2Notiie:J9lSZvsZS52Notiie
MD5 SHA1 SHA512 SSDEEP

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