Analysis
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max time kernel
91s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2022 03:45
Behavioral task
behavioral1
Sample
ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe
Resource
win10v2004-20220812-en
General
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Target
ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe
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Size
53KB
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MD5
592edabc9f1bd467b528579e0d9b0930
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SHA1
48d7ff932b4c3092d5cd61d81203eea874f2958e
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SHA256
ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7
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SHA512
fe3f39a32b1841e18a122f204ccbb6aab48829e219a371dd7fbe08d7bc43af95934f6965902ef38b25cb3683c114f5151df12433a2c6829e8a340dcbda5001d9
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SSDEEP
768:7DnQ6CG2k+/8W8SmbXwqAFy6+37fp84lGYSwvTwUVVAtI6EQzTGf3gNHc:HnVnT+Y9zwqJ6cf21Qyq6EQMgC
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe -
resource yara_rule behavioral2/memory/5104-132-0x0000000000400000-0x0000000000435000-memory.dmp upx behavioral2/memory/5104-134-0x0000000000400000-0x0000000000435000-memory.dmp upx behavioral2/files/0x0006000000022f5d-135.dat upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Local Service = "C:\\Windows\\Cursors\\services.exe" ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.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) \??\Z: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\B: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\K: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\N: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\P: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\R: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\V: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\L: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\O: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\A: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\E: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\F: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\G: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\I: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\J: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\T: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\H: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\M: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\Q: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\S: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\X: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\U: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\W: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened (read-only) \??\Y: ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File created C:\Program Files\Program Files.exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened for modification C:\Program Files\Program Files.exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File created C:\Program Files (x86)\Program Files (x86).exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened for modification C:\Program Files (x86)\Program Files (x86).exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\Windows.exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened for modification C:\Windows\Windows.exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File created C:\Windows\Cursors\services.exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe File opened for modification C:\Windows\Cursors\services.exe ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Toolbar explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\Locked = "1" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar\ShellBrowser explorer.exe -
Modifies registry class 38 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU explorer.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\NodeSlot = "1" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 19002f433a5c000000000000000000000000000000000000000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic" explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 = 4e003100000000008b5559af100054656d7000003a0009000400efbe0c551d9c8b5559af2e0000009ce10100000001000000000000000000000000000000affefa00540065006d007000000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0 = 50003100000000008b555caf10004c6f63616c003c0009000400efbe0c551d9c8b555caf2e0000009be10100000001000000000000000000000000000000291082004c006f00630061006c00000014000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 50003100000000000c55a9a2100041646d696e003c0009000400efbe0c551d9c8b555caf2e0000007de10100000001000000000000000000000000000000f51abb00410064006d0069006e00000014000000 explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0\MRUListEx = ffffffff explorer.exe Key created \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 78003100000000008b555caf1100557365727300640009000400efbe874f77488b555caf2e000000c70500000000010000000000000000003a0000000000fcfc4f0055007300650072007300000040007300680065006c006c00330032002e0064006c006c002c002d0032003100380031003300000014000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0 = 56003100000000000c551d9c12004170704461746100400009000400efbe0c551d9c8b555caf2e00000088e10100000001000000000000000000000000000000393ab1004100700070004400610074006100000016000000 explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\MRUListEx = 00000000ffffffff explorer.exe Set value (data) \REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\0\0\0\0 = 5e003100000000008b555aaf10003333303435347e310000460009000400efbe0f55bb688b555aaf2e000000532f02000000070000000000000000000000000000006018ec003300330030003400350034003400340038003800000018000000 explorer.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1868 explorer.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1868 explorer.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1868 explorer.exe 1868 explorer.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 5104 wrote to memory of 2052 5104 ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe 79 PID 5104 wrote to memory of 2052 5104 ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe"C:\Users\Admin\AppData\Local\Temp\ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7.exe"1⤵
- Modifies visibility of file extensions in Explorer
- Adds Run key to start application
- Enumerates connected drives
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5104 -
C:\Windows\explorer.exeC:\Windows\explorer.exe C:\Users\Admin\AppData\Local\Temp\33045444882⤵PID:2052
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1868
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C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵PID:4968
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
53KB
MD5592edabc9f1bd467b528579e0d9b0930
SHA148d7ff932b4c3092d5cd61d81203eea874f2958e
SHA256ac02fe37be8f23367b74dc5f013ff282152c48dd05e7e50079609a8bccb464c7
SHA512fe3f39a32b1841e18a122f204ccbb6aab48829e219a371dd7fbe08d7bc43af95934f6965902ef38b25cb3683c114f5151df12433a2c6829e8a340dcbda5001d9