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Analysis
-
max time kernel
213s -
max time network
248s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
25/12/2023, 16:26
Static task
static1
Behavioral task
behavioral1
Sample
2cffea1a8b250322814985924dbc4a80.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2cffea1a8b250322814985924dbc4a80.exe
Resource
win10v2004-20231215-en
General
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Target
2cffea1a8b250322814985924dbc4a80.exe
-
Size
268KB
-
MD5
2cffea1a8b250322814985924dbc4a80
-
SHA1
396e72627e1aca3faab789a3bc9f145960f8a95a
-
SHA256
647615ccb7d1795429d5720476049f3a087d72f1bd67cc61fff9aa3835feab94
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SHA512
f089aabd94ecd2b448f21bf0e420ff708422814e44dc0bc68fde837893e72ecf2b7e5a8a057d3930ae2a02cc8ac04883ab4d8b5ad85c7e518471692b8a8bf384
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SSDEEP
6144:AI1v9PfKoXjllMoVpfZLijwDAhtCx6o3yG4/xFk:A4vFfVzv2qZitZFk
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\2CFFEA~1.EXE," 2cffea1a8b250322814985924dbc4a80.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2CFFEA~1.EXE" 2cffea1a8b250322814985924dbc4a80.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\35e2155a = "O\x19G\nGÞR-ßÖD\x0eøètVŽv\u0081TxG\x05À\x0f(\x1f·tÿ\u00a0‘¨÷ÕÐ?žZ\"pÀ{gÄRI@3ÜE\x14ãïlNRb4éªwOò ß&bŒ\x02¼E¾\x17•¿Õ¤\aîcŸö—Ù\x7f7”¦\x17\x19N“€¹$†þ`×ö§;Åé‹_X#·yô\x16CýA+«ËÄvô÷ß\x1fØËvU\a~3dç,ö)[´£Ë\x03ËsóŒ³×Á~4Lfþ3\x1f\x1c}\x18àÝ>ÍvüÄÝ\x03»\vŒa#ëpÇ›¬ðGeì?0\x03·¡äË+Ð\b\x0fA¤}[;fñå\x06Ï…ùÿ†Öq7ÌÞK“D\x03\x10\x04Ø¡S¼€\x10Ë$¸<\x0e\a\x0eM…œîw{i¬¶Qž\x1bãn\v}eF£äP‘>\r[¨{\a" 2cffea1a8b250322814985924dbc4a80.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2CFFEA~1.EXE" 2cffea1a8b250322814985924dbc4a80.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118 2cffea1a8b250322814985924dbc4a80.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118\Blob = 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 2cffea1a8b250322814985924dbc4a80.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118\Blob = 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 2cffea1a8b250322814985924dbc4a80.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\6252DC40F71143A22FDE9EF7348E064251B18118\Blob = 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 2cffea1a8b250322814985924dbc4a80.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2580 2cffea1a8b250322814985924dbc4a80.exe 2580 2cffea1a8b250322814985924dbc4a80.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 2580 2cffea1a8b250322814985924dbc4a80.exe Token: SeSecurityPrivilege 2580 2cffea1a8b250322814985924dbc4a80.exe Token: SeSecurityPrivilege 2580 2cffea1a8b250322814985924dbc4a80.exe Token: SeSecurityPrivilege 2580 2cffea1a8b250322814985924dbc4a80.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2cffea1a8b250322814985924dbc4a80.exe"C:\Users\Admin\AppData\Local\Temp\2cffea1a8b250322814985924dbc4a80.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2580
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5821348ee5170f13162ffdd8553a0b71d
SHA1ee100a01c4f9c881979590b07d66bda2bc5268a6
SHA256f955add5fea2a639c2643c0d7df1625384e515771c7bb299d5508fb82908f1d5
SHA5128af709612c34dcb49cec8ab6edbf0ba0589f5e9a77ce8ac686af8d88f6f3bbfe08a84e338f95e130cf269f84dbf1c464af2676f3f8c31fc0bdb711d2fb5dada2
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Filesize
715B
MD5587be65a5dd511a9c7cf5c53a0dde1df
SHA147bf97e955842990ef23b199d9c448886af30d15
SHA2564f149c2ac62924f2999c207ec8a05337aafd43cccbddaf1c75dfb00d09a341fa
SHA51210828a505bef5081749a1709063a43e02dbd1a5e6b71c7577914d65993632d82741bcc90f17db919fa3a52ca5b543b5783b8842a2e40c534dda1ca0ab1665873
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
171KB
MD59c0c641c06238516f27941aa1166d427
SHA164cd549fb8cf014fcd9312aa7a5b023847b6c977
SHA2564276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f
SHA512936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06