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Analysis
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max time kernel
136s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
22/05/2023, 03:00
Static task
static1
Behavioral task
behavioral1
Sample
=?UTF-8?B?55S15a2Q5Y+R56WoMjAzOTkyMDEwMi0yMDIyLnBkZi5odG0=?=.html
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
=?UTF-8?B?55S15a2Q5Y+R56WoMjAzOTkyMDEwMi0yMDIyLnBkZi5odG0=?=.html
Resource
win10v2004-20230220-en
General
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Target
=?UTF-8?B?55S15a2Q5Y+R56WoMjAzOTkyMDEwMi0yMDIyLnBkZi5odG0=?=.html
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Size
5KB
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MD5
63929ad08850e4fb05c17a41df7bf296
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SHA1
f5a1d1fbabecc44c1fd380d185fd65fb3acb9198
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SHA256
2344feede0dd8fd4729b58cd5d02b245ba00014357a67056d60fd830cfe8852f
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SHA512
c78125cfb414846b9d8c7fb73c59527c1acd89fc5e672ee5ee267fcd1f275d975830e0b3163498697229f533614b3439c4bb61f80dee5a1f431c3acc540d9991
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SSDEEP
96:hTTdXb+xiTb5NLTbpvNsvvR3B5v+mbBJM5KJL6wnq99q++t6BVARWMDqxgtQ296N:JRL+xiBNLxCxXtjM5KJLnqPqztaVARWH
Malware Config
Signatures
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31034457" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = d08fee9f598cd901 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 80890da0598cd901 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\IESettingSync IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2663533376" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "391489395" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{C9412300-F84C-11ED-8FFF-FE76446D24E5} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31034457" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31034457" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2651031979" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000efbde655bef66e4b8a89e12aa4dae8160000000002000000000010660000000100002000000084ded62219b04e101161d75d3f09c4a78b074077d718fc1d9ac2f59975779744000000000e800000000200002000000025236dc203bfd54dbf79ee194be34012d777bc34c616fe0775d2a0edcd2a40c9200000001d1545ac33ebbbc181dc483314b86612082d064b949730536307ba5bf174c1c1400000003d056f749a6e3b21c97a5c55b6d85357174346387bd44bd864c8da41b7fb26e0c32c2530d64873597a5a9a42cb63b4e71f89d1384c99c5e2c07cc463cf65bd9f iexplore.exe Key created \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2651031979" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000efbde655bef66e4b8a89e12aa4dae81600000000020000000000106600000001000020000000044c4d3e44fb0e05d9a0b8c4a1e3cfbe6896b0afe82259b8f3b68ea892d57120000000000e8000000002000020000000b4bedc6d7c42ea0de23a7bcbbface260b6a172882f491833a4931f892976429620000000817c9e01339ff29f579c95d18effdd22d198181e13180b56f1e82355ca1ddcbf40000000807214c8bd8c0ea4cc4334d562c1b4c75592b40dd90ac759d1ba8f94c285d3d447d1c2d1a8a16f5da1973378f35335c51e86148a835f91b194d330983587adb2 iexplore.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2532 iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2532 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 2532 iexplore.exe 2532 iexplore.exe 2240 IEXPLORE.EXE 2240 IEXPLORE.EXE 2240 IEXPLORE.EXE 2240 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2532 wrote to memory of 2240 2532 iexplore.exe 84 PID 2532 wrote to memory of 2240 2532 iexplore.exe 84 PID 2532 wrote to memory of 2240 2532 iexplore.exe 84
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\=_UTF-8_B_55S15a2Q5Y+R56WoMjAzOTkyMDEwMi0yMDIyLnBkZi5odG0=_=.html1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2532 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2240
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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
MD5a8097a4f7a963b5509f30569f4462de6
SHA141355936181c0b47435c1288699f6c1a2a65bbce
SHA256c08e0aea2cfe04fd7c88ec8fc408f357092920fc187b2c7749af69cf29890e3c
SHA512724ef849054d5aaa124092933ce7785520b162189d4bc6fba623978e1a8b2b7b0193420dc12699f20e8980e840729bd614f36aa9d3f3ee022a9e67d3642f434a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD58b558b2583ced0612b9e3eee62f7dc87
SHA1d909b2a9f5529d43f8c9bc90fc0541b859e255aa
SHA25673623a9799b93f887f21214be219ae6e9d2333af131f5a41095f62978283be73
SHA512ffc28127a6045a23615f0918190c739bc92960d830416c4ea9e5a1372dfedfab313891f636f6d83cee0e1f2b62dc45776cec26be2fe8c2d17806ab3708d156ee
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee