6071912d0d3211bcb9f67356cff4e6f272e0ab507f0d5c03ce416cfa428b8d47

Analysis

max time kernel
165s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20231025-en
resource tags

arch:x64arch:x86image:win10v2004-20231025-enlocale:en-usos:windows10-2004-x64system
submitted
12/11/2023, 04:55

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General

Target

Annotation_revcloud.html
Size

1KB
MD5

d58e289d7777486ca1b90fe828db7134
SHA1

c69219b46e8358a11ddba526f8c0eeed64193ac6
SHA256

4d28b30f70a3b5ba7683fa4bacff279ee945275cb7b6762b119a5e5105e635d6
SHA512

3f6cb1e9bfda84e1f1ec18225dce5008930a63abca0fb0dc0cf94622c673ef925dfe3f4f1b0afd8901aa8481f1d35eb6151112b348f7bb89fa03af8c02f5c288

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 41 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0aa01bd2415da01	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "406529991"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E64B4D9A-8117-11EE-8286-7AD65CA34895} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3133038430"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\IESettingSync	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31069476"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c673c30fa5e1df4483894e0a711271f9000000000200000000001066000000010000200000003249a803f103fbb4a18da7dcabd50d468ca89a54475c0151eee0f2c1f09067e4000000000e8000000002000020000000a543c1b86f0310b50e5d8f76b5cffdcf808980d23dc151e453c6a477966a6e1e200000008df5d10d12322053b8eaa26b037eeff1b22694b567e90e13ef86e929d3f0b5fd4000000025995b776189221d71079d19146d79f0abfadf56360d86d445b44aeadf49c40b36ac81904f55a467d28a9167c3722aea67d99565bf8c28d2126df384fced064b	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 90331ebd2415da01	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31069476"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3161321083"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31069476"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3133194232"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c673c30fa5e1df4483894e0a711271f900000000020000000000106600000001000020000000e3145398229e8072ccd56d8af61456092d57e65630e2bdf88207cedef3076038000000000e80000000020000200000009dad227cf33881aba2cc8b162d504dafe718f0ce7706e67a80d4e46a388aa1ad2000000044e56f9a4587abf648b88fd576fa2446026a8830aeb86c71472662b911b1f41d400000000316f96c9624a4513388cd3ed83eef0a0fa5ef2d778dcb18db0d3a9f260b7bd59bb375a213ca782ff67e0d305ffbab5cc6faa0a42dd4cb8db7117e2e2e15308c	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-177160434-2093019976-369403398-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2384	iexplore.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	4396	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2384	iexplore.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2384	iexplore.exe
2384	iexplore.exe
812	IEXPLORE.EXE
812	IEXPLORE.EXE
812	IEXPLORE.EXE
812	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 812	2384	iexplore.exe	88
PID 2384 wrote to memory of 812	2384	iexplore.exe	88
PID 2384 wrote to memory of 812	2384	iexplore.exe	88

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\Annotation_revcloud.html
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2384 CREDAT:17410 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:812

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:3448

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\BRUT4RU0\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/4396-16-0x0000026694560000-0x0000026694570000-memory.dmp

Filesize
64KB

Download
memory/4396-32-0x0000026694660000-0x0000026694670000-memory.dmp

Filesize
64KB

Download
memory/4396-48-0x000002669CC50000-0x000002669CC51000-memory.dmp

Filesize
4KB

Download
memory/4396-49-0x000002669CC60000-0x000002669CC61000-memory.dmp

Filesize
4KB

Download
memory/4396-50-0x000002669CC60000-0x000002669CC61000-memory.dmp

Filesize
4KB

Download
memory/4396-51-0x000002669CC60000-0x000002669CC61000-memory.dmp

Filesize
4KB

Download
memory/4396-52-0x000002669CC60000-0x000002669CC61000-memory.dmp

Filesize
4KB

Download
memory/4396-53-0x000002669CC60000-0x000002669CC61000-memory.dmp

Filesize
4KB

Download
memory/4396-54-0x000002669CC60000-0x000002669CC61000-memory.dmp

Filesize
4KB

Download
memory/4396-55-0x000002669CC60000-0x000002669CC61000-memory.dmp

Filesize
4KB

Download
memory/4396-56-0x000002669CC70000-0x000002669CC71000-memory.dmp

Filesize
4KB

Download
memory/4396-57-0x000002669CC70000-0x000002669CC71000-memory.dmp

Filesize
4KB

Download
memory/4396-58-0x000002669CC70000-0x000002669CC71000-memory.dmp

Filesize
4KB

Download
memory/4396-59-0x000002669C8A0000-0x000002669C8A1000-memory.dmp

Filesize
4KB

Download
memory/4396-60-0x000002669C890000-0x000002669C891000-memory.dmp

Filesize
4KB

Download
memory/4396-62-0x000002669C8A0000-0x000002669C8A1000-memory.dmp

Filesize
4KB

Download
memory/4396-65-0x000002669C890000-0x000002669C891000-memory.dmp

Filesize
4KB

Download
memory/4396-68-0x000002669C7D0000-0x000002669C7D1000-memory.dmp

Filesize
4KB

Download
memory/4396-80-0x000002669C9D0000-0x000002669C9D1000-memory.dmp

Filesize
4KB

Download
memory/4396-82-0x000002669C9E0000-0x000002669C9E1000-memory.dmp

Filesize
4KB

Download
memory/4396-83-0x000002669C9E0000-0x000002669C9E1000-memory.dmp

Filesize
4KB

Download
memory/4396-84-0x000002669CAF0000-0x000002669CAF1000-memory.dmp

Filesize
4KB

Download