dc207762edb90234600c83ebc767324c5b729de06040066e0a28e723c92d32de

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
12-07-2023 05:33

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General

Target

Docs/TRK/regs.htm
Size

126KB
MD5

ce840adb3e5895fdbd7bd9598d211c86
SHA1

a963ddc25f7b0b6e895ba27db14703051dca384f
SHA256

94d6099f37b45a4f566c834287e5fe9e6bea4a94079211666420b8dec83b32ae
SHA512

1fbb413c765dcab77e06c489f49b6246a6b50eefdb6d3c1e5ab333e9003a9da844a56425a3f3db00b03267c9c7f8947eab09508c3d61734d4de9d2dcdf84ca64
SSDEEP

3072:YCvzw3NMm1Plkr0lWralWraiBQNr3QNrGQNrBQNr1QNrgQNrQQNrgQNr9QNrbQN8:YCvzw3NMmZlkr0lWralWraiBQNr3QNrW

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 44 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044738"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 4031136e82b4d901	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31044738"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000052a69338ef97e94eb4d938c2816c6e0d00000000020000000000106600000001000020000000db575b88762a45014191ac4f77927877ee1738e6a53efce757427e84ef897d4f000000000e8000000002000020000000ddb41fc28d0b325bbc85e69e9ea1d41689d44ce8d84c90e335fac7f4967e387e20000000aebfd72337e0842ee25ef89f6c270e0e7186900a85c6dd1b21df999d51471a1040000000a77772b52c3bbd9eab07c08b4b4c61422e6b5b10b0d207f29ff1a30a68dab10b16ef737fbd1e4277aa48d8c06baa76f7ca0b6efd1ba7bc98032f9bdbe0637c55	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1833625158"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\International\CpMRU	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31044738"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 008e286e82b4d901	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000052a69338ef97e94eb4d938c2816c6e0d000000000200000000001066000000010000200000006eff1fce0fd6be0a344c35ff85f5718019b3d7e49260fd3f970b9e3789e9573e000000000e80000000020000200000002c6e462721cb54499689f807a090d779bc0faa8aab521c8cc0992891fbcdf05120000000579df02572ecec23598a9da74d60061a930272811b5b7a8ec083a81a42bcb50340000000b2ce2e96e231bcb3de07de991b67204e3e557954e7f9e0b235b27dbf5117ff0dda322a0f99e5c09f0fa51f0f47729ee0047483d32215f7318e5bfc3cc4764d59	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1821594196"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "395904968"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{980F11C7-2075-11EE-A95E-4AC21CF3BA5F} = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1821594196"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1722984668-1829624581-3022101259-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1"	IEXPLORE.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4972	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4972	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4972	iexplore.exe
4972	iexplore.exe
1892	IEXPLORE.EXE
1892	IEXPLORE.EXE
1892	IEXPLORE.EXE
1892	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 1892	4972	iexplore.exe	85
PID 4972 wrote to memory of 1892	4972	iexplore.exe	85
PID 4972 wrote to memory of 1892	4972	iexplore.exe	85

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Docs\TRK\regs.htm
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4972 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:1892

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\1Y0EG8YX\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

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