Overview
overview
3Static
static
335256345/A...at.exe
windows7-x64
135256345/A...at.exe
windows10-2004-x64
135256345/A...t.html
windows7-x64
135256345/A...t.html
windows10-2004-x64
135256345/A...oc.vbs
windows7-x64
135256345/A...oc.vbs
windows10-2004-x64
135256345/A...ad.exe
windows7-x64
135256345/A...ad.exe
windows10-2004-x64
135256345/A...d.html
windows7-x64
135256345/A...d.html
windows10-2004-x64
135256345/A...nt.exe
windows7-x64
135256345/A...nt.exe
windows10-2004-x64
135256345/A...er.exe
windows7-x64
135256345/A...er.exe
windows10-2004-x64
135256345/A...m.html
windows7-x64
135256345/A...m.html
windows10-2004-x64
135256345/c...m.html
windows7-x64
135256345/c...m.html
windows10-2004-x64
135256345/c...1.html
windows7-x64
135256345/c...1.html
windows10-2004-x64
135256345/c...l.html
windows7-x64
135256345/c...l.html
windows10-2004-x64
135256345/c...P.html
windows7-x64
135256345/c...P.html
windows10-2004-x64
135256345/c...g.html
windows7-x64
135256345/c...g.html
windows10-2004-x64
135256345/c...r5.exe
windows7-x64
135256345/c...r5.exe
windows10-2004-x64
135256345/c...r5.htm
windows7-x64
135256345/c...r5.htm
windows10-2004-x64
135256345/c...e4.htm
windows7-x64
135256345/c...e4.htm
windows10-2004-x64
1Analysis
-
max time kernel
142s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/02/2024, 04:54
Static task
static1
Behavioral task
behavioral1
Sample
35256345/Appendix/BroadCast/MultiCastChat.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
35256345/Appendix/BroadCast/MultiCastChat.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral3
Sample
35256345/Appendix/BroadCast/MultiCastChat.html
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
35256345/Appendix/BroadCast/MultiCastChat.html
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
35256345/Appendix/BroadCast/MultiCastChatDoc.vbs
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
35256345/Appendix/BroadCast/MultiCastChatDoc.vbs
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
35256345/Appendix/NetAnts/Download.exe
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
35256345/Appendix/NetAnts/Download.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral9
Sample
35256345/Appendix/NetAnts/Download.html
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
35256345/Appendix/NetAnts/Download.html
Resource
win10v2004-20231222-en
Behavioral task
behavioral11
Sample
35256345/Appendix/chat/NetClient.exe
Resource
win7-20231215-en
Behavioral task
behavioral12
Sample
35256345/Appendix/chat/NetClient.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
35256345/Appendix/chat/NetServer.exe
Resource
win7-20231129-en
Behavioral task
behavioral14
Sample
35256345/Appendix/chat/NetServer.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral15
Sample
35256345/Appendix/phonecall/语音电话/modem.html
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
35256345/Appendix/phonecall/语音电话/modem.html
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
35256345/chap1/ChatRoom(Csocket)/Example2_ChatRoom.html
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
35256345/chap1/ChatRoom(Csocket)/Example2_ChatRoom.html
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
35256345/chap1/ChatRoom(Winsock)/Example1.html
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
35256345/chap1/ChatRoom(Winsock)/Example1.html
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
35256345/chap2/EnumProtocal/EnumProtocal.html
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
35256345/chap2/EnumProtocal/EnumProtocal.html
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
35256345/chap2/GetIP/GetIP.html
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
35256345/chap2/GetIP/GetIP.html
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
35256345/chap2/GetNetSetting/GetNetSetting.html
Resource
win7-20231129-en
Behavioral task
behavioral26
Sample
35256345/chap2/GetNetSetting/GetNetSetting.html
Resource
win10v2004-20231222-en
Behavioral task
behavioral27
Sample
35256345/chap2/Local/Chapter5.exe
Resource
win7-20231129-en
Behavioral task
behavioral28
Sample
35256345/chap2/Local/Chapter5.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral29
Sample
35256345/chap2/Local/Chapter5.htm
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
35256345/chap2/Local/Chapter5.htm
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
35256345/chap2/Local/Page4.htm
Resource
win7-20231129-en
Behavioral task
behavioral32
Sample
35256345/chap2/Local/Page4.htm
Resource
win10v2004-20231222-en
General
-
Target
35256345/chap2/EnumProtocal/EnumProtocal.html
-
Size
1KB
-
MD5
1d3046c47cf607a79dbeb9331fd844dc
-
SHA1
0802fad5ad9a99538681ec323d51fff43ded351a
-
SHA256
7e85eb120951d6a4a99c1eae18322194ab08ccff5a3a4bb68799d241946ad88f
-
SHA512
ada888bbbbd4f4c077d520464374f4852d05ffda3301ce046e78b3b03c7f3ed830d5924a1f13cc35e08fe0722d33925a78da69061db43e7e4ec6d9077d64c5f3
Malware Config
Signatures
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1188146644" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086374" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c47f1af20644814589e7a32def35942f00000000020000000000106600000001000020000000725c29510023cca085e051e5bd56adcfc82b69d7f13ba8230159623069eee367000000000e8000000002000020000000bcd83d36be656a4a719db042cc6acdfc3bf0d33efdc9075a0aa0f1d63be61d672000000001f589ee5053a47b00d721bf51bf703d3c7e0a525429df4c41c215ef26230b43400000000959e108fce41746ba7f94624932308520c602337067adc6aa77ceacb1b1f5a3af15d938f637d842bf6bed8584acbf7e3e6c67aaee6949c9af7e639c35c7cf1d iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0f9de472657da01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b00cf2472657da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{71A6F8D6-C319-11EE-9A4E-72AC86130FB1} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086374" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086374" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1176737010" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1176737010" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413787429" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\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 (data) \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000c47f1af20644814589e7a32def35942f0000000002000000000010660000000100002000000031c117a5cef2d78c4174d76caa882edc80fa5cb2afa84cac33584d3f05d89adc000000000e800000000200002000000014981483b051798062e4eea33689809731dcc7baca752cb9f9bf76960219c085200000002c5250feaa593d67a0f292f0a9ae1e18fd4cbbbbac3ddea00ef52632d279fcc540000000463d4fb890d947aae73a716afcebea539396b8c7b61c366596ecc996b4fa14f387fcd5c54bcff5a6080a5e266a8c550583fa996fc899e8bfb85145c37eee5598 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3716 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3716 iexplore.exe 3716 iexplore.exe 3900 IEXPLORE.EXE 3900 IEXPLORE.EXE 3900 IEXPLORE.EXE 3900 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3716 wrote to memory of 3900 3716 iexplore.exe 83 PID 3716 wrote to memory of 3900 3716 iexplore.exe 83 PID 3716 wrote to memory of 3900 3716 iexplore.exe 83
Processes
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\35256345\chap2\EnumProtocal\EnumProtocal.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3716 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3900
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD552bfc02b370f1b48b834ce1c58ad6560
SHA1d3dbca3ed04caabf69ec8d525a83cde0919809cf
SHA256fce02a7cb2ed194e21949d8a394e69f1dd30c4c517addc831018b8a0b7235a97
SHA5125fb4c1b2d4173f5de1237e2fd55b9081b99756217d5d639da3e0e1bbe339d87be2e9b732ef783446bdedee2af8730e4bedb3184d58ba0bce0881ddc199495289
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD51401b95cd5e3d0fbb88a35a0f0e33520
SHA1e0a86c0c726f3b3e8a370b775163e891fd87877b
SHA25610a84c612352f8964aa5602d30507ccf9a4116a8281453408d2e685777e30211
SHA512c988d65a146d350b55cb00d898c73b0e92f84aa5b986ea514a84e6229c11fc316b7203f1a0fbca2f1cea0d22bc12a32d76a8a5cb143ecb22e89faff48b297e6c
-
Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee