Analysis
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max time kernel
136s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 14:53
Static task
static1
Behavioral task
behavioral1
Sample
559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe
Resource
win10v2004-20220812-en
General
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Target
559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe
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Size
349KB
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MD5
904a4fa9d49ef0c14b477ed6aa916f2e
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SHA1
2c5cd08f948acc70d10b9c894d86fc4473cf633d
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SHA256
559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3
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SHA512
97bea521a627f275bf66b277d68d491548a81f5bc3f0571f9eb0679b3849ffb16fae306c4224b8aa97caa00101911b146633ee19ac6d9e711ab931aa0c811bb0
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SSDEEP
6144:ye34Znu/EJXAF8u1qBhGNy4909VezjiGF+nh9CUZLcb+F3:REJXs1q2N1906jidGUZLcb+F3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2032 installstat.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 cscript.exe -
Loads dropped DLL 4 IoCs
pid Process 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 2032 installstat.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files (x86)\EditPlus\kk08.icw 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" 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\LastTTLLowDateTime = "1251635200" 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\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30991526" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = a086a258a6e4d801 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\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b14216000000000200000000001066000000010000200000007dccb3b9027942fc692ba7adf30f21aaeddab46652ca00ce6825c7b833f2dd3b000000000e80000000020000200000009aeecc19c29b63a02e6cd81117be29fee5412f691a3d5d59826f09af8ce2ba5d200000007436c0a66b1783809128ed24b7333159493bc654389e5241d9785cd45edb4e58400000001120a8cca108db73df16bf9f7e7c53aa843e1f4365f78f89604f7cefd60fa8937e112a8acd86aecd5aec6ccc8a9238429cc97e56740c2a6f33fe4a021428430d iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 6073c452a6e4d801 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\DomainSuggestion\NextUpdateDate = "373050558" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" 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\TabbedBrowsing\NewTabPage 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 = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000e2728ad8693e804caf0ad2c227b14216000000000200000000001066000000010000200000004d144edab43237d3609f123041f2fd946d79f341327942656c0d3d02968476d0000000000e8000000002000020000000c20bd69e9a5f335061e05f6ed1c959459d31a46002bf2c5e7243c5c647b0d16c20000000410299bcb6a52e78832138354b6fefa65388a3200d256b8a601620026ac69353400000000991491000bbc006a677a751a41d11a18cf043415ee025a2d6abeac9f604b09b04c275376233ce2f7ef63254db42f034334bce19583fbf03ca7204e0b69fec17 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30991526" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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\VersionManager 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\Recovery\AdminActive\{7D951815-5099-11ED-B696-DEF0885D2AEB} = "0" 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\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991526" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30991526" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1391582091" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1391582091" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1495332106" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1495332106" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion 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 Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe -
Modifies registry class 11 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.icw\ = "icwfile" 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\ = "´ò¿ª(&O)" 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings cscript.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open\Command\ = "%SystemRoot%\\SysWow64\\WScript.exe \"%1\" %*" 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.icw 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\ScriptEngine\ = "VBScript" 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\icwfile\Shell\Open 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3900 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 3900 iexplore.exe 3900 iexplore.exe 1040 IEXPLORE.EXE 1040 IEXPLORE.EXE 1040 IEXPLORE.EXE 1040 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3972 wrote to memory of 1676 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 81 PID 3972 wrote to memory of 1676 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 81 PID 3972 wrote to memory of 1676 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 81 PID 1676 wrote to memory of 4328 1676 cscript.exe 83 PID 1676 wrote to memory of 4328 1676 cscript.exe 83 PID 1676 wrote to memory of 4328 1676 cscript.exe 83 PID 3972 wrote to memory of 2032 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 85 PID 3972 wrote to memory of 2032 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 85 PID 3972 wrote to memory of 2032 3972 559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe 85 PID 3900 wrote to memory of 1040 3900 iexplore.exe 87 PID 3900 wrote to memory of 1040 3900 iexplore.exe 87 PID 3900 wrote to memory of 1040 3900 iexplore.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe"C:\Users\Admin\AppData\Local\Temp\559a4a537fbcf3facc9660a9023989262e93b7179d5ddb632f9194b01e7ba2f3.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3972 -
C:\Windows\SysWOW64\cscript.exe"C:\Windows\system32\cscript.exe" "C:\Program Files (x86)\EditPlus\kk08.icw"2⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1676 -
C:\Windows\SysWOW64\WScript.exe"C:\Windows\SysWow64\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\kk08.icw"3⤵PID:4328
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\installstat.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2032
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C:\Program Files (x86)\Internet Explorer\ielowutil.exe"C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding1⤵PID:4324
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3900 CREDAT:17410 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1040
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
132B
MD540c90605f008d041bdb6d3897661a87f
SHA185ab92e38892f62ba34976c39d70654e00e51ac4
SHA2568b2855f3ca90d537a1d83c02b50775fcdb7f9ddf6bda732b6fbced8fe33245a2
SHA512aa7845b6c09765000b658ba4981722d88f5b14586b1d06964d47f5066387ec8454b561573a637519421ca3fcdcca5eb87b3cee6f036dcca248ba07a85dabeae2
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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
MD5402fe01395940d9e00b82d9534974158
SHA1fd4919f6196ed90addddabf21ca3bdc3ee02bdda
SHA256e23d6bd4da7191857ad42be2ff2a7bea8a5254696d96ae27cbf531689ce76485
SHA5121bec83fb99af67e76478506885649485d213b64a993e8fb4af68d1cdcc9b77b7786599664d479cbe0b83dead1b67c08cf83eecb5877ec51d34e3cc14aa4d3b8a
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Filesize
11KB
MD5c17103ae9072a06da581dec998343fc1
SHA1b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d
SHA256dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f
SHA512d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
6KB
MD5acc2b699edfea5bf5aae45aba3a41e96
SHA1d2accf4d494e43ceb2cff69abe4dd17147d29cc2
SHA256168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e
SHA512e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe
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Filesize
44KB
MD57c30927884213f4fe91bbe90b591b762
SHA165693828963f6b6a5cbea4c9e595e06f85490f6f
SHA2569032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994
SHA5128aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab
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Filesize
44KB
MD57c30927884213f4fe91bbe90b591b762
SHA165693828963f6b6a5cbea4c9e595e06f85490f6f
SHA2569032757cabb19a10e97e158810f885a015f3dcd5ba3da44c795d999ea90f8994
SHA5128aadb5fd3750ab0c036c7b8d2c775e42688265b00fe75b43a6addaefc7ee20d9fa3f074dd7943570c8519943011eda08216e90551b6d6a782b9ed5ce20aa6bab
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Filesize
842B
MD5fbd3ccae13789914ae4afa96d73f2042
SHA147a3d85b103bbccfae81f6bd5fd391cf475d5856
SHA25649a59a5b72f0ded21e5650fbd5b31e6dfd65f60424f4f2945616127d7285cf78
SHA512a55feb7964ac9c15f0c52a1b07318282074d7f8a1170e986c499ee290b58cdd041b3f41c4b4dcb2cef1bf98e6663433a9910b82bf75102a5c522cdfaca070733
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Filesize
80KB
MD55be4eb5fdadec491b400154856934411
SHA108fe0f77953b2f9551f31b866af1979abf17fb76
SHA2564fe92016750ab429662870c03966c4cc0b8f2c9e179daa17a05298d0fb5d4dc8
SHA512d42369fa74df36433b807c025b8214984ba24ca77ab38946664b8b2017f9e5383b83751744c1ffb716206470e832fab72ca24ae8cf2808250af86afef742ce90
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Filesize
80KB
MD55be4eb5fdadec491b400154856934411
SHA108fe0f77953b2f9551f31b866af1979abf17fb76
SHA2564fe92016750ab429662870c03966c4cc0b8f2c9e179daa17a05298d0fb5d4dc8
SHA512d42369fa74df36433b807c025b8214984ba24ca77ab38946664b8b2017f9e5383b83751744c1ffb716206470e832fab72ca24ae8cf2808250af86afef742ce90