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Analysis
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max time kernel
159s -
max time network
204s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
29/10/2022, 20:19
Static task
static1
Behavioral task
behavioral1
Sample
d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe
Resource
win10v2004-20220812-en
General
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Target
d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe
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Size
581KB
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MD5
83a81d664d5ee61ab5f33030f4df24e7
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SHA1
a638555e23ad69f4a211b66ebd48e1d7ea6af88d
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SHA256
d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0
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SHA512
94e32b8c484a4695e1c9102b311ae53ae35061e23ec1775dc2c1dadaec18d4ec4156a68095504bba72f537fe678e57ed4d2782535d3e26a496bdbdb7a2d4160c
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SSDEEP
12288:uoMDtCi7NFlZnNqZ9xGrLpZ0ZHEqtgb0Ut:ufplNFgxG5eZngb0C
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
pid Process 1056 nbfile0.exe 1340 nbfile1.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation nbfile1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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NSIS installer 2 IoCs
resource yara_rule behavioral2/files/0x0006000000022e4c-141.dat nsis_installer_2 behavioral2/files/0x0006000000022e4c-142.dat nsis_installer_2 -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b142160000000002000000000010660000000100002000000054c6f0bbcad6a7d6691d7b0a70890f50bb5caae550e9bad99ac40232bc1e8bf9000000000e8000000002000020000000b5cb09aa42ee959be27a9aec73c71a75af5b9fd79de99915e77a69a937804a5420000000dbeba006e0de624648b1b653470ed0c7c565385375af3ed9a3917057b7a7ef0e4000000030353e0c88f265e72a8293af7b3c69717395dcc89d26a1dcf9dd008567bc572d0195575f120a9ad80395f09da43212dcae63130fd706a842c4a0a1da75c557d4 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b1421600000000020000000000106600000001000020000000e9c1064a335670f228cc4ea4a45e7be5ecf9bdd5b9180770293ff431722749cf000000000e80000000020000200000001b3a4887a4dd3bbc991727e09de259e2b3426e8891e18b7b2d9a2bff09669b0c2000000016a11fe134558d5cddfaaa3f5f787a6418ab3ae82e8145a7121b72c29c4fc61c40000000689191918ec27f19a8ad1593245e844e056ca08e31c9c868d5e8e220fa4633b5edcf2201b6d37ebb86683b3b7b56475a471894c69a0049168738ea4991157947 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2810225564" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993439" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "373872309" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2810225564" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993439" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 10adf3a91fecd801 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30993439" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CD6193FC-5812-11ED-B696-D2A4FF929712} = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30993439" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 204585a71fecd801 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2863037892" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2863037892" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings nbfile1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1056 nbfile0.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4380 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
pid Process 1056 nbfile0.exe 4380 IEXPLORE.EXE 4380 IEXPLORE.EXE 3396 IEXPLORE.EXE 3396 IEXPLORE.EXE 3396 IEXPLORE.EXE 3396 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 4100 wrote to memory of 1056 4100 d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe 81 PID 4100 wrote to memory of 1056 4100 d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe 81 PID 4100 wrote to memory of 1056 4100 d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe 81 PID 1056 wrote to memory of 4380 1056 nbfile0.exe 82 PID 1056 wrote to memory of 4380 1056 nbfile0.exe 82 PID 4380 wrote to memory of 3396 4380 IEXPLORE.EXE 83 PID 4380 wrote to memory of 3396 4380 IEXPLORE.EXE 83 PID 4380 wrote to memory of 3396 4380 IEXPLORE.EXE 83 PID 1056 wrote to memory of 4704 1056 nbfile0.exe 84 PID 1056 wrote to memory of 4704 1056 nbfile0.exe 84 PID 1056 wrote to memory of 4704 1056 nbfile0.exe 84 PID 4100 wrote to memory of 1340 4100 d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe 85 PID 4100 wrote to memory of 1340 4100 d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe 85 PID 4100 wrote to memory of 1340 4100 d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe 85 PID 1340 wrote to memory of 1808 1340 nbfile1.exe 86 PID 1340 wrote to memory of 1808 1340 nbfile1.exe 86 PID 1340 wrote to memory of 1808 1340 nbfile1.exe 86 PID 1340 wrote to memory of 4204 1340 nbfile1.exe 87 PID 1340 wrote to memory of 4204 1340 nbfile1.exe 87 PID 1340 wrote to memory of 4204 1340 nbfile1.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe"C:\Users\Admin\AppData\Local\Temp\d35ad5730630d218f4269d27d340a508907d621802d62817ea765976a14722f0.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:4100 -
C:\Users\Admin\AppData\Local\Temp\nbfile0.exeC:\Users\Admin\AppData\Local\Temp\nbfile0.exe2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1056 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.97199.com/install2/?sl33⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4380 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4380 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3396
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\nbfile0.exe3⤵PID:4704
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C:\Users\Admin\AppData\Local\Temp\nbfile1.exeC:\Users\Admin\AppData\Local\Temp\nbfile1.exe2⤵
- Executes dropped EXE
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1340 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\newsetup.vbs"3⤵PID:1808
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C:\Windows\SysWOW64\WScript.exe"C:\Windows\System32\WScript.exe" "C:\1.vbs"3⤵PID:4204
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5a66314123c8c72372bcb8583a5400a95
SHA1fc3e45060463c37775da0bd4a8920296d222753d
SHA256657c92d95798fc5dad4272f3d6d71776737ac0bcdce4ac6864ca5532f2ccf34d
SHA512d9f5c243b04d7b3fbbcb37c68c583db672390644500cfa4d58280048d9fde52c668fd67e84ecd6ace20b2813eefb756627adbd04a6f19719f6e907aa3fffe4f1
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize434B
MD54f0d531c3c5f30f73055379c6ad64f59
SHA1dd1622488ecc4dc041e7bb5b7a282067aab88183
SHA256b666b8daaffbaee6fe1801ffbf7246ef17a91ac84883b9a09362e496736d08da
SHA51267011544ea03925733794b484388573d094e3efe32a5e55368d19635c49a82483febf44bc2c39bf9be48ecfe30937c6c01aa81d16f15a6475c472b7f5eebcdb3
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
467KB
MD574869a0346ab36bbba85022612505121
SHA12cd02f46f2f9f46eaf15fce40a3bf4781f80cf8a
SHA2566de866b5c8abb1db9b2be231b365c1aa029118fbc58823f443f00e3a33dff18a
SHA512723812083113cff82aa5e2243759c572518865e351cc81b7c2b85a05557862dbbd7a98b964ff6f3aa3802bb5d4dab01a14147211495fc5803d9ddb7b715f4de5
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
52KB
MD5c4ddf11ebdbf9d8397d710d2cb4e2fab
SHA18008c97e7d6ff92deb3e1755a614f4afedca92b9
SHA25667a632049e45c25de35b533659624ca24f8e70447abca015bf5776ce6cb3ded6
SHA5123c9be7b92208e8c0f57ab8048108714e06b2aa896a479f61637a93a9eacb4818fcb25ce3d4e1a24086558daeae65d4b482b2c1cfba3df202c396e2bc218362e9
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Filesize
651B
MD54736e7158c27f244482f5a614b9dbdae
SHA1d3a0e95a81e9e3ec95cfd596b25749a0e24e27b9
SHA256b8229bc8d6b0013858fb9599cb510afa4566a439164b2c7444c449540a124acc
SHA512cebf895dd3ec3822c42b78bac49c685b063cb5afcbcfb3850b073cb118d086c5fa75ec50b6e73d90e14f2c6b595752ad87910b8cf27378424d72a9ea309bf824