Analysis
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max time kernel
90s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
30-03-2023 00:34
Static task
static1
Behavioral task
behavioral1
Sample
ANQUAN.ps1
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ANQUAN.ps1
Resource
win10v2004-20230220-en
General
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Target
ANQUAN.ps1
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Size
26KB
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MD5
d223ac403e9ac14ae07b6edfeb018deb
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SHA1
9be80a8babb8d08d07a68d5b1d0018992fe402fe
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SHA256
7cf3379bd4c558c88f9a6e7b5aa6cda3aa9ba4289148e8ca6b0b55f378cd612e
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SHA512
badab4bde445dd7231dc8995509c57cf4afc28d70627b1d199897f37ef59966e05f9c43d10750a439a842a463c4180d23a600fba3d6002ab77da5ca23d0b521e
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SSDEEP
384:/IAUl9V5xJCdNz6etOzzodsGeE3WdbSU0jRArxJDZF6boFUUC7+v6fCUqqgCENqn:gAUjKz6r5GeW+bOoCvK/imC6YEaxP
Malware Config
Extracted
cobaltstrike
http://43.136.14.33:50001/GSmV
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user_agent
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; UHS)
Signatures
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Cobaltstrike
Detected malicious payload which is part of Cobaltstrike.
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Blocklisted process makes network request 10 IoCs
Processes:
powershell.exeflow pid process 8 3820 powershell.exe 17 3820 powershell.exe 18 3820 powershell.exe 23 3820 powershell.exe 25 3820 powershell.exe 27 3820 powershell.exe 28 3820 powershell.exe 29 3820 powershell.exe 35 3820 powershell.exe 41 3820 powershell.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3804 3820 WerFault.exe powershell.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 3820 powershell.exe 3820 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3820 powershell.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\ANQUAN.ps11⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3820 -s 16242⤵
- Program crash
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C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -pss -s 440 -p 3820 -ip 38201⤵
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_idzc2vg4.1i3.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/3820-133-0x000001681F8D0000-0x000001681F8F2000-memory.dmpFilesize
136KB
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memory/3820-143-0x0000016803120000-0x0000016803130000-memory.dmpFilesize
64KB
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memory/3820-145-0x0000016803120000-0x0000016803130000-memory.dmpFilesize
64KB
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memory/3820-144-0x0000016803120000-0x0000016803130000-memory.dmpFilesize
64KB
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memory/3820-146-0x000001681FC40000-0x000001681FC41000-memory.dmpFilesize
4KB
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memory/3820-147-0x0000016803120000-0x0000016803130000-memory.dmpFilesize
64KB
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memory/3820-148-0x0000016803120000-0x0000016803130000-memory.dmpFilesize
64KB
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memory/3820-149-0x0000016803120000-0x0000016803130000-memory.dmpFilesize
64KB