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
141s -
max time network
169s -
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/chap1/ChatRoom(Csocket)/Example2_ChatRoom.html
-
Size
1KB
-
MD5
0f63465786abd04ca8e287260a70c107
-
SHA1
036b4c67e44168972adaa42c22c9924616cb0b9e
-
SHA256
e2084f6cc3398fba52089b5452e6b522c915493f40b7c312e2952c0e0721aec8
-
SHA512
8463c0b8c77902daef15b30ef1348a6e4bfcff4f7371108455c1e99fe7e22e4f94af9fc0324a31db9da4d9ba6843e5e2fa96bb3cf80d16af888be0d867608731
Malware Config
Signatures
-
description ioc Process Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1384448124" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086374" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005f2859d464fb564ea9e97dd009a434cc00000000020000000000106600000001000020000000bc88702edb6f3fcbe588fbba1ac11d3dcfa640294a186b5c5ebbcfc46e7da6da000000000e8000000002000020000000e403ec02c86093e813a47d83a62a95243731b51b752761cf33384a26b3f147a32000000039bf802ce43f124517d7557d135b89e1d1ad8abbe9c5c5a365998ba067c4215940000000121096705ae0c64ad63d83ee272f8e45cfd0ac2cd3a70332b7ed282202b011b01f609d62ba63cc7241e0a2bb8ef11463eca7d939fa87b9f0173472a605687087 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 20a63b542657da01 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "413787450" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\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 (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1396636875" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1384448124" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60d823542657da01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000005f2859d464fb564ea9e97dd009a434cc000000000200000000001066000000010000200000009b7b8261b4f8bd9af7559655c436a6833e16fadb629e99e17173d97f42eee797000000000e80000000020000200000008de527bfa16ca0ef5478b6884f13b9f7856a7ece3d244fd1b6cc24ef5d94f52320000000d8004d8cc3e1fef8a68a7f007481222cdc9216427b88bfad8192d76cc679fad440000000c72aada058973403a20f46111b29529c7d37e9f2c2642ee2ead5e4511744a487b8af355c517fd5a1380a906a990a74d16050684cb62380ae32da6fa038e0dcda iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{7E183B04-C319-11EE-BCD9-5A2E32B6DBC3} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31086374" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31086374" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4668 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4668 iexplore.exe 4668 iexplore.exe 2968 IEXPLORE.EXE 2968 IEXPLORE.EXE 2968 IEXPLORE.EXE 2968 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4668 wrote to memory of 2968 4668 iexplore.exe 83 PID 4668 wrote to memory of 2968 4668 iexplore.exe 83 PID 4668 wrote to memory of 2968 4668 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\chap1\ChatRoom(Csocket)\Example2_ChatRoom.html1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4668 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2968
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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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
MD5db98982f909c1cd14148aa6ea75aad6a
SHA143a024b1e40f0ec0f9a7267906c1ff839cd9b495
SHA2567f4c8621606c23cd285c28734cf37bc8002218b0ac89745667b27bbd28a8ae1a
SHA51238019bcda14517aeb24ffda815762039e807a8294147da77c3e54936dc74643dfaf316e68c01d73ea46a22deac43565ae756f218e150e3eafac14a98767f4563
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee