Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/11/2022, 00:56
Static task
static1
Behavioral task
behavioral1
Sample
f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe
Resource
win7-20220812-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe
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Size
398KB
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MD5
083a9bc85907d70a960b826f704e7e81
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SHA1
c18f30158eef05cdfe446d316d9e86ebd16c2416
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SHA256
f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442
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SHA512
6f6ff36598de30a366b6d377f371bb95c96d1403c3ca6ea9a202606ed1a69e1e2380411af0b192d53de8d17e88f4a6583b176e0233180ce4abf0e803ccd02132
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SSDEEP
12288:VXLHTMmI7/EjOEWpBWvZas6OlIoIjFSza4/4/oMxsQ:V7TMmIrUAsNDIhSz2QG
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\userinit = "C:\\Windows\\system32\\sdra64.exe," f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\sdra64.exe f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe File created C:\Windows\SysWOW64\sdra64.exe f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1144 set thread context of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1144 wrote to memory of 1944 1144 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 81 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3 PID 1944 wrote to memory of 588 1944 f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe 3
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:588
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C:\Users\Admin\AppData\Local\Temp\f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe"C:\Users\Admin\AppData\Local\Temp\f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1144 -
C:\Users\Admin\AppData\Local\Temp\f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe"C:\Users\Admin\AppData\Local\Temp\f8e84bc2bb5f02f273abd03071c6d0965f2f3a8fff7993a6c6ee319023efc442.exe"2⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944
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