Analysis
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max time kernel
57s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
03-10-2022 23:29
Behavioral task
behavioral1
Sample
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe
Resource
win7-20220901-en
General
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Target
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe
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Size
350KB
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MD5
03b644f16b344f7a6b20b575ac2e57e0
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SHA1
9fea9cc793b82435aa55fe67fdbceaade3895d4c
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SHA256
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e
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SHA512
c21eb6e8cab24ed609dbf8f1f21fa8e416d5342aaf7f8b763539bde3ba9a9f1bc7ab97c969a1c1ead89cd3a894ccc266446a0fd9a995e116055b43b4221b3ce1
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SSDEEP
6144:yyXu7IEBSsQ9ElMwm60lmqs7MTRGA3h3GVqdppJXEGhBukJF/KAwxFUOWdEmh:y3BdQLL4BE93NGVYZX9BukJlwxSJdEm
Malware Config
Signatures
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Drops file in Drivers directory 2 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exedescription ioc process File created C:\Windows\SysWOW64\drivers\3547e078.sys 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe File created C:\Windows\SysWOW64\drivers\49ecd5fe.sys 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe -
Possible privilege escalation attempt 2 IoCs
Processes:
icacls.exetakeown.exepid process 1792 icacls.exe 2044 takeown.exe -
Sets service image path in registry 2 TTPs 2 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\3547e078\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\3547e078.sys" 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\49ecd5fe\ImagePath = "\\??\\C:\\Windows\\SysWOW64\\drivers\\49ecd5fe.sys" 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe -
Processes:
resource yara_rule behavioral1/memory/1696-55-0x0000000001000000-0x000000000112D000-memory.dmp upx behavioral1/memory/1696-60-0x0000000001000000-0x000000000112D000-memory.dmp upx -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1144 cmd.exe -
Modifies file permissions 1 TTPs 2 IoCs
Processes:
takeown.exeicacls.exepid process 2044 takeown.exe 1792 icacls.exe -
Installs/modifies Browser Helper Object 2 TTPs 4 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exedescription ioc process Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{B4F3A835-0E21-4959-BA22-42B3008E02FF} 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{72853161-30C5-4D22-B7F9-0BBC1D38A37E} 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{18DF081C-E8AD-4283-A596-FA578C2EBDC3} 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe -
Drops file in System32 directory 5 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exedescription ioc process File opened for modification C:\Windows\SysWOW64\goodsb.dll 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe File created C:\Windows\SysWOW64\goodsb.dll 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe File created C:\Windows\SysWOW64\ws2tcpip.dll 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe File opened for modification C:\Windows\SysWOW64\ws2tcpip.dll 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe File created C:\Windows\SysWOW64\wshtcpip.dll 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe -
Modifies registry class 4 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\SYS_DLL\name = "BeR.dll" 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\HOOK_ID\name = "4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe" 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exepid process 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe -
Suspicious behavior: LoadsDriver 5 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exepid process 468 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 468 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exetakeown.exedescription pid process Token: SeDebugPrivilege 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe Token: SeTakeOwnershipPrivilege 2044 takeown.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.execmd.exedescription pid process target process PID 1696 wrote to memory of 1896 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe PID 1696 wrote to memory of 1896 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe PID 1696 wrote to memory of 1896 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe PID 1696 wrote to memory of 1896 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe PID 1896 wrote to memory of 2044 1896 cmd.exe takeown.exe PID 1896 wrote to memory of 2044 1896 cmd.exe takeown.exe PID 1896 wrote to memory of 2044 1896 cmd.exe takeown.exe PID 1896 wrote to memory of 2044 1896 cmd.exe takeown.exe PID 1896 wrote to memory of 1792 1896 cmd.exe icacls.exe PID 1896 wrote to memory of 1792 1896 cmd.exe icacls.exe PID 1896 wrote to memory of 1792 1896 cmd.exe icacls.exe PID 1896 wrote to memory of 1792 1896 cmd.exe icacls.exe PID 1696 wrote to memory of 1144 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe PID 1696 wrote to memory of 1144 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe PID 1696 wrote to memory of 1144 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe PID 1696 wrote to memory of 1144 1696 4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe cmd.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe"C:\Users\Admin\AppData\Local\Temp\4b0485bdb683dd7298c1f78f25d6565e3bf73c25baa9f7a8d7f5e610241dda9e.exe"1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c takeown /f C:\Windows\SysWOW64\wshtcpip.dll && icacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\takeown.exetakeown /f C:\Windows\SysWOW64\wshtcpip.dll3⤵
- Possible privilege escalation attempt
- Modifies file permissions
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\icacls.exeicacls C:\Windows\SysWOW64\wshtcpip.dll /grant administrators:F3⤵
- Possible privilege escalation attempt
- Modifies file permissions
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C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ahnmove.bat2⤵
- Deletes itself
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\ahnmove.batFilesize
181B
MD5a333f665b0370f09ca38daef4dc99791
SHA18b4c56ad9700af657a9b001be3ea1c58e1a398c4
SHA256050ff914aa5f85d60a692ec511a2f51671b2dc5b393711040835e9c877a51610
SHA512a5afccd4f569be8753fa2115275d428edcc7ce7f2832ae03e07b86ecaf04443d8dee9dc238720e9054b2a63b6aab4d24addb7e2890a9c615814d15e91290b37a
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memory/1144-59-0x0000000000000000-mapping.dmp
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memory/1696-54-0x00000000766D1000-0x00000000766D3000-memory.dmpFilesize
8KB
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memory/1696-55-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/1696-60-0x0000000001000000-0x000000000112D000-memory.dmpFilesize
1.2MB
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memory/1792-58-0x0000000000000000-mapping.dmp
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memory/1896-56-0x0000000000000000-mapping.dmp
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memory/2044-57-0x0000000000000000-mapping.dmp