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Analysis
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max time kernel
134s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
21/10/2022, 01:50
Static task
static1
Behavioral task
behavioral1
Sample
4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe
Resource
win10v2004-20220812-en
General
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Target
4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe
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Size
461KB
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MD5
4873ecae999fd779ecaef8c436649285
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SHA1
94c6cf64e26ccd7a16aa8d1e067f90f347a5f32f
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SHA256
4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121
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SHA512
b1ccd944750a793da4b44d8c854bd755cae196ffe2cecdee68d995fb493b1648d903fce7bd440c180bbc59f0563ad1f06f1a3e548ccb677cb4f9d685b0bffa47
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SSDEEP
12288:9bzxG09kRLS0CQE83xYygA+PaAN8qnlNgKPKiYW3:93A5RLxEry9+iAmiDgKKib
Malware Config
Signatures
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1930261042" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373112022" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9E5EBF4D-5128-11ED-AECB-72E07057041D} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000883ed98174fc174d8e18111dae0d912000000000020000000000106600000001000020000000b8fd88851c529f69e20b1cb029c1ca7b7c86011f3c10cf10d1bfed6e870a545d000000000e8000000002000020000000ab7a0770ca7d1983e9ddb8cec0c8531d2284b5726707772d1de97dd1c0ee99b320000000aa8fcbafa6f58a695a669928d0ad3b2415847f383bc3512e244878f8624503dc40000000684752ae625edc5ba694c51aa79a234426554f84399ec16a8fbeb8b7780801b649af11fd7a264ca26e67dad05cf5e7d304bd9f426244b38882c5751f3edb8301 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991669" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30991669" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1986667093" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 5059297935e5d801 IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000883ed98174fc174d8e18111dae0d91200000000002000000000010660000000100002000000014b755713fb062daa695a42a1c27f664d6f80bf53d0bd11a923a27a22be1b4e7000000000e8000000002000020000000cdb3abd3bb30c64c0cd7bfd4a3c5576b22bf7e275d379b535b8ced95199801a22000000019c8be6a09d51977609bc18371bc41a2b5df386f00544f7093d6b3cd5e1893184000000016df7cda5e401990081e8c17d5f8ea4109fad05e994b3af37e63a4e5528b8c27f83c7a95055be4e24e4c863b45a5ccac7fe67015133526c312718d4a820d6306 IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1930261042" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b02e6c7935e5d801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991669" IEXPLORE.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4180 IEXPLORE.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4852 4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4180 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 4852 4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe 4180 IEXPLORE.EXE 4180 IEXPLORE.EXE 4908 IEXPLORE.EXE 4908 IEXPLORE.EXE 4908 IEXPLORE.EXE 4908 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4852 wrote to memory of 4180 4852 4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe 80 PID 4852 wrote to memory of 4180 4852 4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe 80 PID 4180 wrote to memory of 4908 4180 IEXPLORE.EXE 81 PID 4180 wrote to memory of 4908 4180 IEXPLORE.EXE 81 PID 4180 wrote to memory of 4908 4180 IEXPLORE.EXE 81 PID 4852 wrote to memory of 3248 4852 4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe 82 PID 4852 wrote to memory of 3248 4852 4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe 82 PID 4852 wrote to memory of 3248 4852 4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe"C:\Users\Admin\AppData\Local\Temp\4123a4a455bafb46e128ad90547f442b474a9960823ec31bf8f0833ff9e37121.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4852 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.wa300.com/tj.html2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4180 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4180 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4908
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\4123A4~1.EXE2⤵PID:3248
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD56a15e3564b9eb382fe5534f59d6fccb4
SHA1911dbc1a988c2d6816beb0c21c4ea5402253b884
SHA2566b478c66c9a2024177d4a478ccea9a82f3162aa87a5125a0dc3750c920bdbc62
SHA5122801f46d495eed08dbb10e73ccda4828faf4ef6b1ff3ff45ce8d73331e692381c25417d15c958f8c3f9c6932300cd0e66b1aad6bb5a92e2bf27b338b6d245711
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize434B
MD5e221ae605b172b6d65fcb04c1a14b97f
SHA1cbd1c85a71ff61d6c58b044457e90e5f08605684
SHA256b8c20ec4999b37def039fa7402b6dc8add1072bb7b74511ba036e07f1007a272
SHA5122ce2f7c1027e0687d506fcdeeb8e922587754175925dda8c1a97a8af92d7d4cd2e92c2425fad8064317620dbfac14d71ae72ecb6c112eb7334fab0a4f87af328