e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16

Analysis

max time kernel
143s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
07-12-2022 00:14

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General

Target

e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe
Size

387KB
MD5

e752030b1459d1111586cc0d9c9b333e
SHA1

bf64c88086e361609ca998f04439a7e22c2387af
SHA256

e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16
SHA512

a706e987a7dccd0a81e1af617040ab1b3130ea1c44b25d566fe7614a5cad15f76ac1a9bcd7dab14fc0f4ff26faa67b15c50231bbc2c97bda0177b03756f033c1
SSDEEP

6144:GOmhQOYgv7KaBeZxWf8/6bqY4f+UeZxDND2m+olO4TFRJL+d0uXxadqXWO0xm:GOp+D0FLY4fpeLRSm5Q4JR4dZBadqb6

Score

8^/10

adware aspackv2 stealer upx

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x000900000001267d-58.dat	aspack_v212_v242
behavioral1/files/0x000900000001267d-59.dat	aspack_v212_v242

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1236-55-0x0000000000400000-0x0000000000478000-memory.dmp	upx
behavioral1/memory/1236-60-0x0000000000400000-0x0000000000478000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
576	regsvr32.exe

Installs/modifies Browser Helper Object 2 TTPs 2 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\{F02B8C83-C817-4EA2-A499-29257DA0373A}	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{F02B8C83-C817-4EA2-A499-29257DA0373A}\	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\OUOHOJULKJJ	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe
File created	C:\Windows\SysWOW64\sysdivx.dll	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe
File opened for modification	C:\Windows\SysWOW64\sysdivx.dll	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 55 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\HELPDIR\ = "C:\\Windows\\SysWow64\\"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\Version\ = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\DllSurrogate	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\TypeLib\ = "{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\sysdivx.dll\AppID = "{F02B8C83-C817-4EA2-A499-29257DA0373A}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\ = "Video Media Codec"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\FLAGS	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\TypeLib\ = "{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\TypeLib\ = "{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\ = "Video DivX 3.12"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sysdivx.Video\Clsid\ = "{F02B8C83-C817-4EA2-A499-29257DA0373A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\Version	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\InprocServer32\ = "C:\\Windows\\SysWow64\\sysdivx.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\ = "ISystemDivX"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\Implemented Categories	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\AppID = "{F02B8C83-C817-4EA2-A499-29257DA0373A}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\0\win32\ = "C:\\Windows\\SysWow64\\sysdivx.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\ = "ISystemDivX"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{F02B8C83-C817-4EA2-A499-29257DA0373A}	regsvr32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\Elevation\Enabled = "1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Component Categories	regsvr32.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\AccessPermission = 01000480440000005400000000000000140000000200300002000000000014000300000001010000000000050400000000001400030000000101000000000005120000000102000000000005200000002002000001020000000000052000000020020000	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\LocalizedString = "@C:\\Windows\\System32\\sysdivx.dll,-293"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\ = "Video DivX 3.12"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sysdivx.Video	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\ProgID\ = "sysdivx.Video"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\sysdivx.Video\ = "Video DivX 3.12"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\sysdivx.Video\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{609F107D-88EE-4D19-B56F-6C21A3E9DC1F}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\sysdivx.dll	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{F02B8C83-C817-4EA2-A499-29257DA0373A}\Elevation	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F94E2B67-3D7A-4F94-AF35-5BBEDAAD3AC4}\1.0\HELPDIR	regsvr32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1236 wrote to memory of 576	1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe	28
PID 1236 wrote to memory of 576	1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe	28
PID 1236 wrote to memory of 576	1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe	28
PID 1236 wrote to memory of 576	1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe	28
PID 1236 wrote to memory of 576	1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe	28
PID 1236 wrote to memory of 576	1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe	28
PID 1236 wrote to memory of 576	1236	e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe	28

C:\Users\Admin\AppData\Local\Temp\e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe
"C:\Users\Admin\AppData\Local\Temp\e60801c6474a4a8488a4cd2c7ec9171af4bf2d6af3f1867e5541c6af7e679c16.exe"
1⤵
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1236
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" /s C:\Windows\system32\sysdivx.dll
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Browser Extensions

T1176

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\sysdivx.dll

Filesize
213KB

MD5
138fc3fdcdc99600c0c9e90607416123

SHA1
19ae6f535c86906009ca22d2a0ca12bb5b7f2974

SHA256
d788dafce27035f4e5b8ca912d9590af7f9031d545e41502c91df669120003a4

SHA512
efabe3301ff2db8d816117df76c5d413e72703963d0d0682590f3d03b41688f07c8f884540d15841bf6a142461b9bedaa299f3071362dac56b6446734fd83d4c

Download Submit
\Windows\SysWOW64\sysdivx.dll

Filesize
213KB

MD5
138fc3fdcdc99600c0c9e90607416123

SHA1
19ae6f535c86906009ca22d2a0ca12bb5b7f2974

SHA256
d788dafce27035f4e5b8ca912d9590af7f9031d545e41502c91df669120003a4

SHA512
efabe3301ff2db8d816117df76c5d413e72703963d0d0682590f3d03b41688f07c8f884540d15841bf6a142461b9bedaa299f3071362dac56b6446734fd83d4c

Download Submit
memory/576-56-0x0000000000000000-mapping.dmp

Download
memory/1236-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp

Filesize
8KB

Download
memory/1236-55-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1236-60-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download