Overview
overview
8Static
static
Contract_8556.iso
windows7-x64
3Contract_8556.iso
windows10-2004-x64
6Contract.lnk
windows7-x64
8Contract.lnk
windows10-2004-x64
8reviewer/beastly.dll
windows7-x64
1reviewer/beastly.dll
windows10-2004-x64
3reviewer/bike.txt
windows7-x64
1reviewer/bike.txt
windows10-2004-x64
1reviewer/r...rs.gif
windows7-x64
1reviewer/r...rs.gif
windows10-2004-x64
1reviewer/u...ed.cmd
windows7-x64
1reviewer/u...ed.cmd
windows10-2004-x64
1Analysis
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max time kernel
73s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
28/10/2022, 08:28
Static task
static1
Behavioral task
behavioral1
Sample
Contract_8556.iso
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Contract_8556.iso
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
Contract.lnk
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
Contract.lnk
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
reviewer/beastly.dll
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
reviewer/beastly.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
reviewer/bike.txt
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
reviewer/bike.txt
Resource
win10v2004-20220901-en
Behavioral task
behavioral9
Sample
reviewer/rehearsers.gif
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
reviewer/rehearsers.gif
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
reviewer/ungroomed.cmd
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
reviewer/ungroomed.cmd
Resource
win10v2004-20220901-en
General
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Target
reviewer/rehearsers.gif
-
Size
34KB
-
MD5
3ac9a9d792b7133f8b2bb19aa3198451
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SHA1
3e10030682fdbd721e0f0ffcffbc7c0e0b731b4c
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SHA256
b6b8a8a68623e8d0f3029c47e45dec05a687b0939966d0d70aeaf6c1cba210fd
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SHA512
6032fc5403e70fb179248d8e6d94bc30ddc47b662c7385cff401ac2c097a96cd31f6d52886d023624964a59d26e3a364b6a2eb8229e21247a8a678ca3da5b157
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SSDEEP
768:lIEj6RLwbK6WEHQp7M7HnofvRx+UQP5Ipg4XF:lIaYQKgHQp7UHoHePapg41
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60762518b8ead801 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373717882" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993080" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "373857537" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000975fab978604b14697eb522259e91a10000000000200000000001066000000010000200000000426bd50856e2cb64dbb00b6c8408f8d337bd094268b50677b3e2d0164dad48e000000000e8000000002000020000000bc3fb3812be3d20e734a06dd2d64726d2d3d44cf05fb3e7733544d30ee0ae03920000000606a3f1c2dc4559c62e95c48f3334d18845a5226296659d1dd1d5be6494101b540000000af5c4272ec8fd2f6ee1532f175168615762d2e2469ad107bc47741e4bfc0177f06bea3d547de1b91d807cbae53f9b7dc95190be3a5faf2319e4feba1dc0c893d iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993080" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993080" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{41BFBE3C-56AB-11ED-89AC-5ECC372795C7} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "373857537" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "398857413" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000975fab978604b14697eb522259e91a100000000002000000000010660000000100002000000079cd89acdc3ae9ada37cddf9c42a479bcee09cff18dd82d60c677b6ec60325c5000000000e8000000002000020000000949aa65d649a3464ba726ebe5c221c61db6f0a3f9a807c617499fa69cb51253c20000000f3eed5a604b9bf5cabf29b2839192f40e5247fd84765967c94f289d902b3c86540000000a034a1dfa8b40c7edc55705a1e9326a080c6307c76b03740fcbf08fd50b9e47007028783244a03930854d065e1744aa6e1b2947989ffc91acdebdd0b5df968f9 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 405d3118b8ead801 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2108 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2108 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2108 iexplore.exe 2108 iexplore.exe 4628 IEXPLORE.EXE 4628 IEXPLORE.EXE 4628 IEXPLORE.EXE 4628 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2108 wrote to memory of 4628 2108 iexplore.exe 83 PID 2108 wrote to memory of 4628 2108 iexplore.exe 83 PID 2108 wrote to memory of 4628 2108 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\reviewer\rehearsers.gif1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2108 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2108 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4628
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