b76cad93d0501d69746c84db3f7bfc158968900c2e472121019efe5d234ffa34

Analysis

max time kernel
115s
max time network
190s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
13/09/2022, 06:30

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General

Target

Zoom/About/WorkplaceJoin.xml
Size

1KB
MD5

4a94b4f104af2c09215eb52d7f84f748
SHA1

5c414d468a0b571ca9fec00364dd4e2a185dbe92
SHA256

5fabf5c534f78ce92bf7daa6d4ade2dd61002e689a8246928209bf38d7bf1bee
SHA512

971a7f298fb6ece17bd9e02d636988960b4955ed8c6e44d271f4405e06268b65db6ce396caeeb41113ef2d220418c7c0bd48f3dc5852de76331eec0307516af4

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 36 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F4535401-332D-11ED-A45B-DAC72961D548} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b0f48bca3ac7d801	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "369815781"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000048ca5449a4d21846ba8a995ea0abd35a000000000200000000001066000000010000200000006f8c1e7ddeaea9a333344566ca29e975f496a4c6ba1c2c72275810cf8a909265000000000e80000000020000200000006743f58f17425b5e0ad3bf3ace98a437307a0a9b5204928875db4395b5cd2dc620000000422ca9291a3cb05f4529eab3ff87ae7591480782897c187f4c66eeb2b678723540000000f6b2bb698510f1f29cb38a74b4ee4f84391c7c41f26d569fb49e926016db79834170d99c6d89defd80f05645f24405c568a36a66def2b00061ba459f7b3d75cc	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
524	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
524	IEXPLORE.EXE
524	IEXPLORE.EXE
1120	IEXPLORE.EXE
1120	IEXPLORE.EXE
1120	IEXPLORE.EXE
1120	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1912	1148	MSOXMLED.EXE	28
PID 1148 wrote to memory of 1912	1148	MSOXMLED.EXE	28
PID 1148 wrote to memory of 1912	1148	MSOXMLED.EXE	28
PID 1148 wrote to memory of 1912	1148	MSOXMLED.EXE	28
PID 1912 wrote to memory of 524	1912	iexplore.exe	29
PID 1912 wrote to memory of 524	1912	iexplore.exe	29
PID 1912 wrote to memory of 524	1912	iexplore.exe	29
PID 1912 wrote to memory of 524	1912	iexplore.exe	29
PID 524 wrote to memory of 1120	524	IEXPLORE.EXE	30
PID 524 wrote to memory of 1120	524	IEXPLORE.EXE	30
PID 524 wrote to memory of 1120	524	IEXPLORE.EXE	30
PID 524 wrote to memory of 1120	524	IEXPLORE.EXE	30

C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE" /verb open "C:\Users\Admin\AppData\Local\Temp\Zoom\About\WorkplaceJoin.xml"
1⤵
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe" -nohome
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:524
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:524 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\5QKENQ0O.txt

Filesize
608B

MD5
4d8ebc547a61d8289f680884e9326358

SHA1
86e0644ebd7a62ff2eebaae7c59a7c1c449b8f2c

SHA256
128fe8bb030b32f867b56b61ea670125e2e9e9be7351afb9c42416b3d0be3f88

SHA512
5b64dc0ea88e1d18b9faaeffefbd09a88c08210f3858572d188a924e61a55705b28e05cf68c9cacfbaa8ed56664dbb5779ceae242a5fcfb594ad584ecf89ee2a

Download Submit
memory/1148-54-0x0000000075FE1000-0x0000000075FE3000-memory.dmp

Filesize
8KB

Download