Overview
overview
3Static
static
3Release no...ral.js
windows7-x64
1Release no...ral.js
windows10-2004-x64
1Release no...ex.vbs
windows7-x64
1Release no...ex.vbs
windows10-2004-x64
1Release no...x.html
windows7-x64
1Release no...x.html
windows10-2004-x64
1Release no...pt.exe
windows7-x64
1Release no...pt.exe
windows10-2004-x64
1Analysis
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max time kernel
176s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
11/05/2023, 16:20
Static task
static1
Behavioral task
behavioral1
Sample
Release no_cpp/Code/general.js
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Release no_cpp/Code/general.js
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
Release no_cpp/Code/reptilex.vbs
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Release no_cpp/Code/reptilex.vbs
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
Release no_cpp/Reptilex.html
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
Release no_cpp/Reptilex.html
Resource
win10v2004-20230220-en
Behavioral task
behavioral7
Sample
Release no_cpp/encrypt.exe
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
Release no_cpp/encrypt.exe
Resource
win10v2004-20230220-en
General
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Target
Release no_cpp/Reptilex.html
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Size
1KB
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MD5
31f77094d930d7157be0f74f68b1c300
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SHA1
68c428ab497829ad8091dcdc20413cae4a22f0bd
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SHA256
2af1a7eb70d36390e99c953b15e871e0637201bb890e8285bf61dbe021797898
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SHA512
b659ac72ca6194963badc78ef5d878d85c78e83b1ca65d423257124c4a53721847f8bb1b382964b4bea02353c42ca363b361e4c4224a41d7e6b889923b0d0e0f
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1551173333" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000006b1b24209a5b3c4ab603530fd8f378dc000000000200000000001066000000010000200000002e92d6d16e13e0ec6e30f8e2f3a0f6f5751911e1f914fd2f5ec5bc496f09d962000000000e8000000002000020000000ae808e71f1384c3e9742147067fe20d79a5507f44525fcb96ea16eb71a37cd3e200000002ffcac74e094ae982e3b3f21c4dda401f67f36f10a7d8f9bf0ad4cc43d4c902840000000498b13763f54d41d3afcdb927aa55457c1699a5ce01f50791ca20acbb499e5cb480e8dde8cb83b49ad7b21471a87865b6489327c6a182a9e2cab5a0292a8cf04 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a01dc36a3784d901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1551173333" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31032375" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31032375" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000006b1b24209a5b3c4ab603530fd8f378dc00000000020000000000106600000001000020000000ab12cfc8a0c2f5ba1a7dd6974087235dc8000d38c12e90d415f8426da4bb6e44000000000e8000000002000020000000b3db66a1d14ca3d48a94a3db78b653b741f918b3d6969c4fadb416dd95a3042220000000223e36c6b42a416f3b91763cedaa43afeb7075d147a073995ca6fbfebbcfb82340000000f4c086f7d5b5b181156cc3fe667200747f61cc43e4cecc21b29fec6bcb1eafe7044a11e1f804818a2f7b8188cdf2256d3b1c5758d959a67293b0823762bb4882 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{74AEBF3C-F02A-11ED-9156-DE61172DF127} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "390595085" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 1059cf673784d901 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1116 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 1116 iexplore.exe 1116 iexplore.exe 3216 IEXPLORE.EXE 3216 IEXPLORE.EXE 3216 IEXPLORE.EXE 3216 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1116 wrote to memory of 3216 1116 iexplore.exe 81 PID 1116 wrote to memory of 3216 1116 iexplore.exe 81 PID 1116 wrote to memory of 3216 1116 iexplore.exe 81
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\Release no_cpp\Reptilex.html"1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1116 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3216
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee