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
145s -
max time network
150s -
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/GetIP/GetIP.html
-
Size
2KB
-
MD5
0ec32409e1a99b1e3bc237e80a86b710
-
SHA1
f1bc926cf888576e386262005a8884c5fb6c5de7
-
SHA256
a1a93caf7bb177674009e1854290d8fcb70ff34c38b2a1aebd46e67c13e7bb24
-
SHA512
bbf17bb01aa9b2488a2e0956ca7a3dd89a78259e22e9359ad7cd77334f2437c093ff2c7d335370929825333df448e55836413d9f66d16259b911f4d62ecb85b3
Malware Config
Signatures
-
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086374" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{6F4FD9AB-C319-11EE-9963-F68B0B0A1028} = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\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 Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413787425" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1136435534" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086374" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1140029049" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a400000000020000000000106600000001000020000000fa2db65589f12a1e5ede5ee17e2e79dab962971af4872eea600f3db75f4d5546000000000e8000000002000020000000eafecae85ede9c88780497b3c348a780c57485ea93b8501cf3da3e40e8065c6120000000ee024b1823fcf4571cb7c41c91dd4e69c2888e56d287cca4b6a745a1b71ca8284000000065f944b215700bd83107e4e8b4f223fa335290ca103176c113cac29f8e2a61ae8e470657b4a06b5135f974e2c9c61582617040e2f22cc0afefa0d09f06f24628 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086374" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10423d442657da01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000025ba558cff15364f83b59eef6d4e53a4000000000200000000001066000000010000200000006185f8097e5091610b0ef44303b4ba7d72ab9003fc51e8818e2ac269bed88a65000000000e800000000200002000000003afab8b462e6cea5d6ebdaedf52ce6c40ffda4fb277f79f40d6b427e2f5ad6020000000c6d79c7285294a528ed24e713f71af08a0f33bf8ddaa8efbe1e95a383e58df8840000000a606462f70d0429f53a301e9729e8fd6980dbafc50e3ca84c339181dbf97f23765262468be617877f5872c971778bce6f4b1904c4551fdbb93c4cdba9338f3c6 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 00fd41442657da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1136435534" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4800 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4800 iexplore.exe 4800 iexplore.exe 4680 IEXPLORE.EXE 4680 IEXPLORE.EXE 4680 IEXPLORE.EXE 4680 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4800 wrote to memory of 4680 4800 iexplore.exe 85 PID 4800 wrote to memory of 4680 4800 iexplore.exe 85 PID 4800 wrote to memory of 4680 4800 iexplore.exe 85
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\GetIP\GetIP.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4800 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4800 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4680
-
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
MD5db18a42f85a2fef7bae750f30bb0c80d
SHA141797fcb234bad51c9792822a4d89da33c87c28d
SHA256d308633ab937d23bdc7787d7d584f6b5137e87252a7c5a9bc787463705c60b47
SHA512079d696046fe69b533ea8485c6d35bc635b1c0f09569e7301f2bae8f9125b51c369e5d9d0ce4317ebc2a475238c3e95b036fb16338d66f48ea1b96f89a52fb11
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee