Analysis
- max time kernel
145s - max time network
168s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system - submitted
29/11/2022, 11:15
Behavioral task
behavioral1
Sample
009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
12 signatures
150 seconds
General
- Target 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe
- Size 179KB
- Sample221129-ncj46adc96
- SHA256 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257
- MD5 0f8ad7577ea9436a0feabe3f1bcc9a10
- SHA1 9d6f95013d0246352dffee2999c5996498f19ef6
- SHA512 2e45599c2fae16e3b6eb2288e1645057e7b9aa27b9512378e472f9dfec101a9563b84dfc4456bd4fd6b2bc90f14a00bcacf7fccd270981f93700846dffc19cae
- SSDEEP 3072:V/J9Iw00AWSyzFhOAMHVJnU9xcuxmbQCm38pC1XOE7h:T9IF0ufUBxyIrhOK
- MD5 SHA1 SHA512 SSDEEP
Score
8/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3452-132-0x0000000000400000-0x0000000000716000-memory.dmp upx - Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Screen Saver Pro 3.1 = "C:\\Users\\Admin\\AppData\\Roaming\\ScreenSaverPro.scr" 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run mspaint.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hcvuvb = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Hcvuvb.exe" mspaint.exe - Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\B: svchost.exe File opened (read-only) \??\G: svchost.exe File opened (read-only) \??\K: svchost.exe File opened (read-only) \??\L: svchost.exe File opened (read-only) \??\R: svchost.exe File opened (read-only) \??\U: svchost.exe File opened (read-only) \??\E: svchost.exe File opened (read-only) \??\F: svchost.exe File opened (read-only) \??\H: svchost.exe File opened (read-only) \??\O: svchost.exe File opened (read-only) \??\P: svchost.exe File opened (read-only) \??\Q: svchost.exe File opened (read-only) \??\V: svchost.exe File opened (read-only) \??\W: svchost.exe File opened (read-only) \??\X: svchost.exe File opened (read-only) \??\Z: svchost.exe File opened (read-only) \??\J: svchost.exe File opened (read-only) \??\M: svchost.exe File opened (read-only) \??\N: svchost.exe File opened (read-only) \??\S: svchost.exe File opened (read-only) \??\Y: svchost.exe File opened (read-only) \??\I: svchost.exe File opened (read-only) \??\T: svchost.exe File opened (read-only) \??\D: mspaint.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3452 set thread context of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Debug\WIA\wiatrace.log mspaint.exe -
description ioc Process 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 Set value (data) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376597809" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1894529593" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1900622508" 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\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1894529593" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1900622508" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30999785" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{9BD4A0A7-70DC-11ED-B696-C2DBB15B3A76} = "0" 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\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30999785" 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\DomainSuggestion\FileNames 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\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 (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\LastCheckForUpdateHighDateTime = "30999785" 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 = "30999785" 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\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 4224 mspaint.exe 4224 mspaint.exe 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2736 IEXPLORE.EXE - Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe Token: SeDebugPrivilege 2396 svchost.exe Token: SeDebugPrivilege 4616 IEXPLORE.EXE Token: SeDebugPrivilege 4224 mspaint.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2736 IEXPLORE.EXE - Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4224 mspaint.exe 4224 mspaint.exe 4224 mspaint.exe 4224 mspaint.exe 2736 IEXPLORE.EXE 2736 IEXPLORE.EXE 4616 IEXPLORE.EXE 4616 IEXPLORE.EXE 4616 IEXPLORE.EXE 4616 IEXPLORE.EXE - Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 3452 wrote to memory of 2396 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 3452 wrote to memory of 2396 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 3452 wrote to memory of 2396 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 3452 wrote to memory of 2396 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 3452 wrote to memory of 2396 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 3452 wrote to memory of 2396 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 3452 wrote to memory of 376 3452 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 83 PID 2396 wrote to memory of 4224 2396 svchost.exe 84 PID 2396 wrote to memory of 4224 2396 svchost.exe 84 PID 2396 wrote to memory of 4224 2396 svchost.exe 84 PID 376 wrote to memory of 4796 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 85 PID 376 wrote to memory of 4796 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 85 PID 376 wrote to memory of 4796 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 85 PID 4796 wrote to memory of 2736 4796 iexplore.exe 86 PID 4796 wrote to memory of 2736 4796 iexplore.exe 86 PID 2736 wrote to memory of 4616 2736 IEXPLORE.EXE 90 PID 2736 wrote to memory of 4616 2736 IEXPLORE.EXE 90 PID 2736 wrote to memory of 4616 2736 IEXPLORE.EXE 90 PID 376 wrote to memory of 2396 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 376 wrote to memory of 2396 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 82 PID 376 wrote to memory of 4224 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 84 PID 376 wrote to memory of 4224 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 84 PID 376 wrote to memory of 4616 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 90 PID 376 wrote to memory of 4616 376 009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe"C:\Users\Admin\AppData\Local\Temp\009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3452 -
C:\Windows\SysWOW64\svchost.exe"C:\Windows\system32\svchost.exe"2⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2396 -
C:\Windows\SysWOW64\mspaint.exe"C:\Windows\system32\mspaint.exe"3⤵
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4224
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C:\Users\Admin\AppData\Local\Temp\009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe"C:\Users\Admin\AppData\Local\Temp\009ac0766e8690a137db4063dfafdac3aa2428e5af7d856e818154149dd36257.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"4⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2736 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2736 CREDAT:17410 /prefetch:25⤵
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4616
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s DeviceAssociationService1⤵PID:1172
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
- Size 471B
- SHA256 88dabd9b9c2183dd69b01146358783b0dc0e24faf044331be565cfd26e1dee2a
- MD5 2385a464e17980d978246b6b59a60697
- SHA1 ee57c16c00972abbea042066dbdd769fdb89571b
- SHA512 d85eaa2a9a0a4523eb87bd43bbe995d8658dce705024c316de12c9f9be0277ded1646a6667bd47eed337e2b790aab9760ddf2e501242c42f3d66f40c23042d2e
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
- Size 434B
- SHA256 31309432ce7d8b7c81890b5d8e7296f8bb8a80440d9b7a1ddefa589609f265b4
- MD5 51f24ae7657c0fbec4e53a19c0c1e39a
- SHA1 5e5f288f9d19a665d672e24937144f6c009f0f50
- SHA512 a740c69c9ce9c851e396f3bd616c037368b8192fa79e09ad028e2d96bdb4ddd2a9398a8a3c5966d09e1c315b2304288cac1458590094dc312349eebd4e48bf03
- MD5 SHA1 SHA512