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Analysis
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max time kernel
146s -
max time network
174s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
04/01/2024, 12:40
Static task
static1
Behavioral task
behavioral1
Sample
40e30893fffd8d3add2c9bf05b090787.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
40e30893fffd8d3add2c9bf05b090787.exe
Resource
win10v2004-20231215-en
General
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Target
40e30893fffd8d3add2c9bf05b090787.exe
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Size
24KB
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MD5
40e30893fffd8d3add2c9bf05b090787
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SHA1
372e63c8bdc4da260d0181a76a338a819a90e735
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SHA256
98e598bb032d1a79674c2750145420c25478ce7f6d38732921e8208979212c0b
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SHA512
5075a748d98e83f96c852d16006fa3db516d64cb61b6dff3aa9e6738e6085fcd657e4bd448a7192a4e8bbe5ce53484a62ff463dfd11ae8753dfb77ab2fe8cf16
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SSDEEP
384:E3eVES+/xwGkRKJolM61qmTTMVF9/q5h0:bGS+ZfbJoO8qYoA+
Malware Config
Signatures
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe" 40e30893fffd8d3add2c9bf05b090787.exe -
Drops file in Program Files directory 1 IoCs
description ioc Process File created C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe 40e30893fffd8d3add2c9bf05b090787.exe -
Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 2452 tasklist.exe -
Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 4888 ipconfig.exe 1764 NETSTAT.EXE -
Runs net.exe
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2452 tasklist.exe Token: SeDebugPrivilege 1764 NETSTAT.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4920 40e30893fffd8d3add2c9bf05b090787.exe 4920 40e30893fffd8d3add2c9bf05b090787.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 4920 wrote to memory of 4976 4920 40e30893fffd8d3add2c9bf05b090787.exe 95 PID 4920 wrote to memory of 4976 4920 40e30893fffd8d3add2c9bf05b090787.exe 95 PID 4920 wrote to memory of 4976 4920 40e30893fffd8d3add2c9bf05b090787.exe 95 PID 4976 wrote to memory of 3896 4976 cmd.exe 97 PID 4976 wrote to memory of 3896 4976 cmd.exe 97 PID 4976 wrote to memory of 3896 4976 cmd.exe 97 PID 4976 wrote to memory of 4888 4976 cmd.exe 98 PID 4976 wrote to memory of 4888 4976 cmd.exe 98 PID 4976 wrote to memory of 4888 4976 cmd.exe 98 PID 4976 wrote to memory of 2452 4976 cmd.exe 99 PID 4976 wrote to memory of 2452 4976 cmd.exe 99 PID 4976 wrote to memory of 2452 4976 cmd.exe 99 PID 4976 wrote to memory of 3788 4976 cmd.exe 100 PID 4976 wrote to memory of 3788 4976 cmd.exe 100 PID 4976 wrote to memory of 3788 4976 cmd.exe 100 PID 3788 wrote to memory of 444 3788 net.exe 102 PID 3788 wrote to memory of 444 3788 net.exe 102 PID 3788 wrote to memory of 444 3788 net.exe 102 PID 4976 wrote to memory of 1764 4976 cmd.exe 103 PID 4976 wrote to memory of 1764 4976 cmd.exe 103 PID 4976 wrote to memory of 1764 4976 cmd.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\40e30893fffd8d3add2c9bf05b090787.exe"C:\Users\Admin\AppData\Local\Temp\40e30893fffd8d3add2c9bf05b090787.exe"1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4920 -
C:\Windows\SysWOW64\cmd.execmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log2⤵
- Suspicious use of WriteProcessMemory
PID:4976 -
C:\Windows\SysWOW64\cmd.execmd /c set3⤵PID:3896
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C:\Windows\SysWOW64\ipconfig.exeipconfig /all3⤵
- Gathers network information
PID:4888
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C:\Windows\SysWOW64\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2452
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C:\Windows\SysWOW64\net.exenet start3⤵
- Suspicious use of WriteProcessMemory
PID:3788 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 start4⤵PID:444
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C:\Windows\SysWOW64\NETSTAT.EXEnetstat -an3⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:1764
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