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Analysis
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max time kernel
136s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 08:39
Static task
static1
Behavioral task
behavioral1
Sample
f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe
Resource
win7-20220812-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe
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Size
32KB
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MD5
017929e12fa75b53b617634541a9c6f9
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SHA1
a20c83788bbdd8a3b711e90716bdfa551a4231e2
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SHA256
f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65
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SHA512
d150f7fdb63aba86c90948379d32482961d75d98954bda1cad8a5628b7558c73d5010c90676ccb1c509400e131d5aca4c24d8609ecfce39e75e11908b6c289bf
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SSDEEP
768:p3sk30si1NqUulCjSYIFVVKqqzocVVzrAlUn5BDY:CkE97MCjSmTFrG2zM
Score
8/10
Malware Config
Signatures
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Adds policy Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\dlnjjdfa = "C:\\Windows\\system\\llzjy080913.exe" f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\e: f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe File opened (read-only) \??\f: f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\system\mzjj32dla.dll f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe File created C:\Windows\system\mzjj32dla.dll f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe File created C:\Windows\system\llzjy080913.exe f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe File opened for modification C:\Windows\system\llzjy080913.exe f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "374620734" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "30995182" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995182" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "30995182" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{5F5D18FE-5EE1-11ED-A0EE-E2272FE8D9C1} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "878657261" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "886157398" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Check_Associations = "no" f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "878657261" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe -
Runs ping.exe 1 TTPs 7 IoCs
pid Process 5092 PING.EXE 4412 PING.EXE 308 PING.EXE 4240 PING.EXE 1568 PING.EXE 4692 PING.EXE 4780 PING.EXE -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4040 iexplore.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe Token: SeDebugPrivilege 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe Token: SeDebugPrivilege 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe Token: SeDebugPrivilege 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4040 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4040 iexplore.exe 4040 iexplore.exe 3456 IEXPLORE.EXE 3456 IEXPLORE.EXE 3456 IEXPLORE.EXE 3456 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 5060 wrote to memory of 2976 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 81 PID 5060 wrote to memory of 2976 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 81 PID 5060 wrote to memory of 2976 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 81 PID 2976 wrote to memory of 5092 2976 cmd.exe 83 PID 2976 wrote to memory of 5092 2976 cmd.exe 83 PID 2976 wrote to memory of 5092 2976 cmd.exe 83 PID 2976 wrote to memory of 4412 2976 cmd.exe 87 PID 2976 wrote to memory of 4412 2976 cmd.exe 87 PID 2976 wrote to memory of 4412 2976 cmd.exe 87 PID 2976 wrote to memory of 308 2976 cmd.exe 89 PID 2976 wrote to memory of 308 2976 cmd.exe 89 PID 2976 wrote to memory of 308 2976 cmd.exe 89 PID 5060 wrote to memory of 4040 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 92 PID 5060 wrote to memory of 4040 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 92 PID 2976 wrote to memory of 4240 2976 cmd.exe 93 PID 2976 wrote to memory of 4240 2976 cmd.exe 93 PID 2976 wrote to memory of 4240 2976 cmd.exe 93 PID 4040 wrote to memory of 3456 4040 iexplore.exe 94 PID 4040 wrote to memory of 3456 4040 iexplore.exe 94 PID 4040 wrote to memory of 3456 4040 iexplore.exe 94 PID 2976 wrote to memory of 1568 2976 cmd.exe 95 PID 2976 wrote to memory of 1568 2976 cmd.exe 95 PID 2976 wrote to memory of 1568 2976 cmd.exe 95 PID 2976 wrote to memory of 4692 2976 cmd.exe 96 PID 2976 wrote to memory of 4692 2976 cmd.exe 96 PID 2976 wrote to memory of 4692 2976 cmd.exe 96 PID 5060 wrote to memory of 4040 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 92 PID 5060 wrote to memory of 4344 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 97 PID 5060 wrote to memory of 4344 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 97 PID 5060 wrote to memory of 4344 5060 f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe 97 PID 4344 wrote to memory of 4780 4344 cmd.exe 99 PID 4344 wrote to memory of 4780 4344 cmd.exe 99 PID 4344 wrote to memory of 4780 4344 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe"C:\Users\Admin\AppData\Local\Temp\f6d9c6e7a29a3254cd86b7fc7d1242383652fa7ded6ee2597111743dea2fbe65.exe"1⤵
- Adds policy Run key to start application
- Checks computer location settings
- Enumerates connected drives
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\dfDelmlljy.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:2976 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:5092
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4412
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:308
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4240
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1568
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4692
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C:\program files\internet explorer\iexplore.exe"C:\program files\internet explorer\iexplore.exe"2⤵
- Modifies Internet Explorer settings
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4040 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4040 CREDAT:17410 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3456
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\dfDelmlljy.bat" "2⤵
- Suspicious use of WriteProcessMemory
PID:4344 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:4780
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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
MD55f49b65bdc1713b58ed97d0e9625a968
SHA184b74e55478c9abb163aa6629e3fd3b91bed4806
SHA256a681ab9abc281fd12a7bd06f56e36a21e8ee28b5294815c5e07b781e324a32f9
SHA5124b502288bef324db8ad33e63c7b6f242ef7954a6fbec3ed012530044c82fee3ad1158febe088bc0deea67ac35646a0a1bd6d961c0f67b11fee584e4f1abd753a
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize434B
MD5fc17be2b016270f2d9286e826b1ce408
SHA13f248d339eae442204d8f1645ea10223a8a75551
SHA25663c7fa1aaffe69f271f54025c5ea007854af8ad7e5e766f92a96d3281d636213
SHA512ec5acbb4aac7fc45b1e733908a9dba23fe22c2fe8a8d4e173dcb5eb17df3bd6130c3e3d3d75ae1d81ed49f9304f1eb6cf0f72246a476a6df724116c6d8fffcb7
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Filesize
269B
MD5c9f6d0ba831b75958d78dfaf5603b0ad
SHA1dcdb4003c92b66d9e155543ce2a1f0407fa7daa7
SHA25672e377b15e127ae8080eeba8698041fdf390ed573010609f729686c9bd68c28e
SHA512fb188d9d0d2812127b5bf468a8638f04d41f35a31b07b99626cbc539dbc69289fc19b18e85872d79e0051651f796f47274df1e83e900857381550fea8db6db32
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Filesize
269B
MD5c9f6d0ba831b75958d78dfaf5603b0ad
SHA1dcdb4003c92b66d9e155543ce2a1f0407fa7daa7
SHA25672e377b15e127ae8080eeba8698041fdf390ed573010609f729686c9bd68c28e
SHA512fb188d9d0d2812127b5bf468a8638f04d41f35a31b07b99626cbc539dbc69289fc19b18e85872d79e0051651f796f47274df1e83e900857381550fea8db6db32