Analysis
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max time kernel
146s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21/03/2024, 23:33
Static task
static1
Behavioral task
behavioral1
Sample
RefTechnical Drawing Sheet.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
RefTechnical Drawing Sheet.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
Fdrelandskrligehed/Tenuto/Sauria/Handelsbalancerne122.ps1
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Fdrelandskrligehed/Tenuto/Sauria/Handelsbalancerne122.ps1
Resource
win10v2004-20240226-en
General
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Target
RefTechnical Drawing Sheet.exe
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Size
953KB
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MD5
971bdb03f3caf8bb34464d3629c6fd5a
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SHA1
2c28ace22924960730814e5a787ffcadde187278
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SHA256
4abdae9b05fb343406136ff0cf863e8f403dc294578f111a746b125d59c5c91b
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SHA512
6e160db5481a91b18bfee7ecdd7a1a18150072f5c518b351c6ffa36f2b176ee46318e61c42b58e00278dc926446e5b040aa85e42ab610faf9bd8822d7bc4bcd2
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SSDEEP
24576:lbZCmf67FtuZFX3KJQgI/tpWrZAOWaTUF3w:N3f67FtuZB3oQNpWDWawF3w
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook wab.exe Key opened \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 3 drive.google.com 5 drive.google.com -
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 2732 wab.exe 2732 wab.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2500 powershell.exe 2732 wab.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2500 set thread context of 2732 2500 powershell.exe 34 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 2500 powershell.exe 2500 powershell.exe 2500 powershell.exe 2500 powershell.exe 2500 powershell.exe 2500 powershell.exe 2500 powershell.exe 2500 powershell.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2500 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2500 powershell.exe Token: SeDebugPrivilege 2732 wab.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2904 wrote to memory of 2500 2904 RefTechnical Drawing Sheet.exe 28 PID 2904 wrote to memory of 2500 2904 RefTechnical Drawing Sheet.exe 28 PID 2904 wrote to memory of 2500 2904 RefTechnical Drawing Sheet.exe 28 PID 2904 wrote to memory of 2500 2904 RefTechnical Drawing Sheet.exe 28 PID 2500 wrote to memory of 2556 2500 powershell.exe 30 PID 2500 wrote to memory of 2556 2500 powershell.exe 30 PID 2500 wrote to memory of 2556 2500 powershell.exe 30 PID 2500 wrote to memory of 2556 2500 powershell.exe 30 PID 2500 wrote to memory of 2732 2500 powershell.exe 34 PID 2500 wrote to memory of 2732 2500 powershell.exe 34 PID 2500 wrote to memory of 2732 2500 powershell.exe 34 PID 2500 wrote to memory of 2732 2500 powershell.exe 34 PID 2500 wrote to memory of 2732 2500 powershell.exe 34 PID 2500 wrote to memory of 2732 2500 powershell.exe 34 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook wab.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook wab.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\RefTechnical Drawing Sheet.exe"C:\Users\Admin\AppData\Local\Temp\RefTechnical Drawing Sheet.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell.exe" -windowstyle hidden "$Designeringen=Get-Content 'C:\Users\Admin\AppData\Local\butikstiders\Sjunger\Fdrelandskrligehed\Tenuto\Sauria\Handelsbalancerne122.San';$Indiciets=$Designeringen.SubString(58339,3);.$Indiciets($Designeringen)"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c "set /A 1^^0"3⤵PID:2556
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C:\Program Files (x86)\windows mail\wab.exe"C:\Program Files (x86)\windows mail\wab.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2732
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\butikstiders\Sjunger\Fdrelandskrligehed\Tenuto\Sauria\Handelsbalancerne122.San
Filesize57KB
MD50c865acf7c347c6dd359f98c8251a9bc
SHA1dc6ad24450f7a966e5c090abce2ec06f23cef9ae
SHA25600f3155ff5edff6c7b7286095854eae05446345e358018fee4c5fb141a458d7e
SHA512a7ead01800f440b0d4e8f07040818ed72ff1c768cb44ffc1823230b5bee96238b25373a652be4509c88cb371772da1061f5b14b3fa5a7e1e7833dc07d56f1aaa
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Filesize
331KB
MD52bacc6e73f38a23b51232641499c7f06
SHA1a025b456d210fc55f396701e268fba2f3949905d
SHA2566225888e9e81bb79d091fcb742c75f5e5b38b0bf46836a1dcaeb7eaa680f6cc8
SHA512bf1996b6da8b026315a95fd71d61d4b730a37af1e461d2f8f42a57027aff5e914bfc121d41d00f38ae59e2f02c3bf43ce507f692742b3d84d9c1cce272ca6f79
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-406356229-2805545415-1236085040-1000\0f5007522459c86e95ffcc62f32308f1_4c23b8b8-1f37-4b25-86d9-da21829a4de6
Filesize46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-406356229-2805545415-1236085040-1000\0f5007522459c86e95ffcc62f32308f1_4c23b8b8-1f37-4b25-86d9-da21829a4de6
Filesize46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b