79f3d4ffcb38a0d20454ecaca60bfc0427c0595489c26ddf4304ac40b42448ba

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 19:57

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General

Target

02697866ed322eac1cb757a574089ba6.exe
Size

92KB
MD5

02697866ed322eac1cb757a574089ba6
SHA1

3393b1f22f447e21d8f417c5e45f200091091e1a
SHA256

79f3d4ffcb38a0d20454ecaca60bfc0427c0595489c26ddf4304ac40b42448ba
SHA512

0c2f818bd62c1ea493a95e80b37b7096b35dab5c8f23361c33b2a7d66c4788db53e5520a6958532cd06e4e2938eef2f7b8871db1936d0899eb4409b0abb4d8fe
SSDEEP

768:7TToLE6M/M50JMsXDM9NtNrBDsX9Mix489Et78XKTTo1:7TToLE6M/M5Katwdx4MEWaTTo1

Score

7^/10

adware stealer upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
2576	regsvr32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1748-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/1748-1-0x0000000000020000-0x0000000000038000-memory.dmp	upx
behavioral1/memory/1748-7-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral1/memory/1748-14-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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\{895CB260-BA44-45AC-82CE-A05F967485B2}	regedit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{895CB260-BA44-45AC-82CE-A05F967485B2}\ = "??????"	regedit.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\lj\dllaxjsl.dll	02697866ed322eac1cb757a574089ba6.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\userid.txt	02697866ed322eac1cb757a574089ba6.exe
File created	C:\Windows\reg.reg	02697866ed322eac1cb757a574089ba6.exe

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

System Information Discovery
T1082

Modifies registry class 45 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ProxyStubClsid32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\Programmable	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\ = "QvodAdBlocker"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\FLAGS	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\ProgID\ = "QvodAdBlocker.QvodBlock"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\InprocServer32\ThreadingModel = "Apartment"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\VERSION\ = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QvodAdBlocker.QvodBlock\Clsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\Implemented Categories	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\TypeLib\Version = "1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QvodAdBlocker.QvodBlock\Clsid\ = "{895CB260-BA44-45AC-82CE-A05F967485B2}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ProxyStubClsid32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\TypeLib\Version = "1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\VERSION	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ = "_QvodBlock"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\FLAGS\ = "0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\TypeLib	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\TypeLib\ = "{F3EC3D33-8B29-41B1-A951-24AF75E53631}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\QvodAdBlocker.QvodBlock	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\0\win32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\0\win32\ = "C:\\Program Files\\lj\\dllaxjsl.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ = "_QvodBlock"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ = "QvodBlock"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\HELPDIR\ = "C:\\Program Files\\lj"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\ = "QvodAdBlocker.QvodBlock"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\InprocServer32\ = "C:\\Program Files\\lj\\dllaxjsl.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\TypeLib\ = "{F3EC3D33-8B29-41B1-A951-24AF75E53631}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{895CB260-BA44-45AC-82CE-A05F967485B2}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\QvodAdBlocker.QvodBlock\ = "QvodAdBlocker.QvodBlock"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ProxyStubClsid	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{F3EC3D33-8B29-41B1-A951-24AF75E53631}\1.0\HELPDIR	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7013D6F7-FE2A-485C-A4B9-5B622FD47546}\TypeLib\ = "{F3EC3D33-8B29-41B1-A951-24AF75E53631}"	regsvr32.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2488	regedit.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1748	02697866ed322eac1cb757a574089ba6.exe
1748	02697866ed322eac1cb757a574089ba6.exe
1748	02697866ed322eac1cb757a574089ba6.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 2576	1748	02697866ed322eac1cb757a574089ba6.exe	30
PID 1748 wrote to memory of 2576	1748	02697866ed322eac1cb757a574089ba6.exe	30
PID 1748 wrote to memory of 2576	1748	02697866ed322eac1cb757a574089ba6.exe	30
PID 1748 wrote to memory of 2576	1748	02697866ed322eac1cb757a574089ba6.exe	30
PID 1748 wrote to memory of 2576	1748	02697866ed322eac1cb757a574089ba6.exe	30
PID 1748 wrote to memory of 2576	1748	02697866ed322eac1cb757a574089ba6.exe	30
PID 1748 wrote to memory of 2576	1748	02697866ed322eac1cb757a574089ba6.exe	30
PID 1748 wrote to memory of 2692	1748	02697866ed322eac1cb757a574089ba6.exe	33
PID 1748 wrote to memory of 2692	1748	02697866ed322eac1cb757a574089ba6.exe	33
PID 1748 wrote to memory of 2692	1748	02697866ed322eac1cb757a574089ba6.exe	33
PID 1748 wrote to memory of 2692	1748	02697866ed322eac1cb757a574089ba6.exe	33
PID 1748 wrote to memory of 2692	1748	02697866ed322eac1cb757a574089ba6.exe	33
PID 1748 wrote to memory of 2692	1748	02697866ed322eac1cb757a574089ba6.exe	33
PID 1748 wrote to memory of 2692	1748	02697866ed322eac1cb757a574089ba6.exe	33
PID 2692 wrote to memory of 2488	2692	cmd.exe	32
PID 2692 wrote to memory of 2488	2692	cmd.exe	32
PID 2692 wrote to memory of 2488	2692	cmd.exe	32
PID 2692 wrote to memory of 2488	2692	cmd.exe	32
PID 2692 wrote to memory of 2488	2692	cmd.exe	32
PID 2692 wrote to memory of 2488	2692	cmd.exe	32
PID 2692 wrote to memory of 2488	2692	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\02697866ed322eac1cb757a574089ba6.exe
"C:\Users\Admin\AppData\Local\Temp\02697866ed322eac1cb757a574089ba6.exe"
1⤵
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32.exe /s "C:\Program Files\lj\dllaxjsl.dll"
  2⤵
  - Loads dropped DLL
  - Modifies registry class
  PID:2576
- C:\Windows\SysWOW64\cmd.exe
  cmd /c regedit.exe /s C:\Windows\reg.reg
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2692

C:\Windows\SysWOW64\regedit.exe
regedit.exe /s C:\Windows\reg.reg
1⤵
- Installs/modifies Browser Helper Object
- Runs .reg file with regedit
PID:2488

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\reg.reg

Filesize
185B

MD5
12bd717417516054ab1e182a063055b7

SHA1
d25ff40c376e932372a5c562ba8061ead8468519

SHA256
6abe4d60e1dfbfabf5f53a170fce0a0675c45892c4cda089d2ef262c81171e2b

SHA512
e5feabe7a7d24d0e6e0fd63662897100e17e01ac5a72c9df2002a694b705b5ad7ed0c0dfa1b50f0740400fcfdcddaba189f99038d29a841381f95ceda923c7b2

Download Submit
\Program Files\lj\dllaxjsl.dll

Filesize
32KB

MD5
bf41207ec87014150c2f884bcb6a15b3

SHA1
4abb6e0088a7f6408a549ffdab97be173531fdf5

SHA256
fd1f06dc1751f222e1f2a4442c9f45a333aee5169cba688616ca8e1f889a8dc6

SHA512
c1ab38637e9755dcb5d061260c0748443e5682bcd33b911e9638a0e11fc7e31414387809ded59928edad685ed985865e29762fb5f534fd193ea964e1f1bea17d

Download Submit
memory/1748-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1748-3-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/1748-2-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/1748-1-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/1748-8-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/1748-7-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1748-9-0x0000000000020000-0x0000000000038000-memory.dmp

Filesize
96KB

Download
memory/1748-14-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download