Overview
overview
6Static
static
1Fwd- [Nexd...53.eml
windows7-x64
6Fwd- [Nexd...53.eml
windows10-2004-x64
3attachment-3.eml
windows7-x64
6attachment-3.eml
windows10-2004-x64
3email-html-1.txt
windows7-x64
1email-html-1.txt
windows10-2004-x64
1email-html-2.html
windows7-x64
1email-html-2.html
windows10-2004-x64
1email-plain-1.txt
windows7-x64
1email-plain-1.txt
windows10-2004-x64
1Analysis
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max time kernel
91s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
07/02/2023, 07:12
Static task
static1
Behavioral task
behavioral1
Sample
Fwd- [Nexdigm] Payment - Invoice #IM33-1753-S3-1 Pay Remittance for 2023-02-01, 04-53.eml
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
Fwd- [Nexdigm] Payment - Invoice #IM33-1753-S3-1 Pay Remittance for 2023-02-01, 04-53.eml
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
attachment-3.eml
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
attachment-3.eml
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
email-html-1.txt
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
email-html-1.txt
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
email-html-2.html
Resource
win7-20220901-en
Behavioral task
behavioral8
Sample
email-html-2.html
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
email-plain-1.txt
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
email-plain-1.txt
Resource
win10v2004-20220812-en
General
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Target
email-html-2.html
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Size
1KB
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MD5
a0a927ec6c0676bc09caeef910cf8d60
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SHA1
d08817e9a814657c17cc46e66b6c1f8c65b1f27b
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SHA256
bd28187e2e8c73515a06252d6cf1f0bd0de19f03e1486f2729d179fd71a0d874
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SHA512
9862d3bbd481c4d9118234288581ab480fe1dbf27b367ed59ac0c2cd4927dded1a8edf822d7757bb42449b23242d8dca1b0fcf60c465b436ba87e34d3ac3ff94
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "448623924" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "448623924" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Size = "10" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "441279959" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000055e705317208724f818ff84de6ddc69d00000000020000000000106600000001000020000000c98e635bedd5d42517a13d6530d2e010fe611581c1b07d406ac0dde713a6680e000000000e8000000002000020000000cdec52f3f9bf4b362e53fb01c9c25938118b87407fd6e72bfa0d781768ab96fa20000000aa9aa186219ee4e70cb6af764e24d919c18de1a79e375360334a88d260e65e37400000004ea2971466ad26e46715a2ef77afc424dad7ba075e400f5c633b06e243b48d4c8efe3748b1a1143b75d7fc3c9e24e2a9d3c4f284670e63dd9f092ea4e8009c01 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f003371bcc3ad901 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Factor = "20" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb0100000055e705317208724f818ff84de6ddc69d0000000002000000000010660000000100002000000067886d74bab2f6b1b5e3ac14b07d407b26931ca991bcf4f52d696c74b8c56137000000000e80000000020000200000006b45deca12444e56a462a93eb1274037789ce7db6e31da72e98ff09898ed51be20000000b50b27bb3e93c43892a5eb3dc2020e81e5925ce02ad14772790a0e787e38438b40000000cd361c812aa9a40522f11a68aba6c43de4246ca16045045b258173bfa4dd2b13f2dc9e2d64553e5b84b88c00127c0e9b022a7fbb691e3374fa69f5ac031b096e iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\InitHits = "100" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31013580" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\International\CpMRU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = e0be3b1bcc3ad901 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "382522570" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{45417F18-A6BF-11ED-B5DD-6EDF9685419A} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31013580" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "441279959" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\International\CpMRU\Enable = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013580" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31013580" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3796 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3796 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3796 iexplore.exe 3796 iexplore.exe 944 IEXPLORE.EXE 944 IEXPLORE.EXE 944 IEXPLORE.EXE 944 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3796 wrote to memory of 944 3796 iexplore.exe 82 PID 3796 wrote to memory of 944 3796 iexplore.exe 82 PID 3796 wrote to memory of 944 3796 iexplore.exe 82
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\email-html-2.html1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3796 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3796 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:944
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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
MD5aee722fcdc90fcfba473126bf8bed12b
SHA1df62a695b671a248b19f76cd6d420d1bcee9c27d
SHA256e759250bcfe36a1a745bc1cc241dea84b6c791141e93b322bd5027d62d3a4807
SHA512e51c09b66f06f247289841147cc6ebf2b70308cfac2c500915ed2b4775813e48422e60779e50351ac668bab548afaccb822a1486ae8242bc37697f16f3a994cf
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize434B
MD5807c9a85d8db67d765a7b00a18b4df9f
SHA18ab59551f7ff2395d9dc165ade9819a7596e651e
SHA25652d9e036a49e957dc975bdfb4e11e9e7457780e3034a127f1be27eb9dfdc0446
SHA51267b629c2ae13cd77da03f6f21a1cc19997e03db51d123e1fe71c2a49e8d8ff4a3ece25b28307a8b8d9a01fbfca8d9b4ef1130890eba1e6815b1113458c8a2691