Analysis
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max time kernel
149s -
max time network
158s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05/12/2022, 07:39
Static task
static1
Behavioral task
behavioral1
Sample
bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe
Resource
win10v2004-20220901-en
General
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Target
bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe
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Size
265KB
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MD5
dd5cc63b1a1b334a2e6cf3945e5717b9
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SHA1
6dd2b9bbf99b062d2871859c7246f7620d6f23b1
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SHA256
bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83
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SHA512
485f14c61b28f6cce48b5483dc4286370eb90c3ee646192e4c3734f30007910f6de006456d002928d15c0e77372c9ae29f7cfdf1fcc09059139ce5e3f01ed4bf
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SSDEEP
6144:fWywgKQ/dnbdxoXUFuS5fvvUaOWpVshQchEnnbUaDk/ii:fSgLFHvOWpVEhEbU9
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\\BB0FC0~1.EXE," bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BB0FC0~1.EXE" bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe -
Modifies WinLogon 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\2fa9a3c1 = "ÍWòó\x01 D|Ã÷ÎO+œ¾kÅ-ú¢I<®£âÕTnQ¦—ÿµƒX\x04J,!þŠ¯\n\u008f\x0e\x11ɤ˜,jd}´;ßâÎÃ\x1cëœ\x15ƒ×P´™Š\x1fÚh%é\x0e" bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\BB0FC0~1.EXE" bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe Token: SeSecurityPrivilege 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe Token: SeSecurityPrivilege 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe Token: SeSecurityPrivilege 1424 bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe"C:\Users\Admin\AppData\Local\Temp\bb0fc052d10c71f2df7b9240599b751f939a76f73be3a36dab38c8ab77be2a83.exe"1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Modifies WinLogon
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1424