Analysis
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max time kernel
145s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
19-06-2023 11:50
Static task
static1
Behavioral task
behavioral1
Sample
78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Resource
win10v2004-20230220-en
General
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Target
78c56c6fd7ed0ff5c69ec132d61e27b3.exe
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Size
414KB
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MD5
78c56c6fd7ed0ff5c69ec132d61e27b3
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SHA1
74a6d0f1b2439cff590d63922f4c3f442f39ab10
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SHA256
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8
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SHA512
82d351e3117215114c984d57c1b73b6c3955cf0f937a04bf107a9911b343660147dc58825103ba749e6f7cd8e54a4f8e8e3f4e61942f3cd952da7b7b604ed0ec
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SSDEEP
12288:vqugI2VOoo9QTB8gw2JL8xjiUinElye4HbFTt:Cr3Ooo618faCj3inzhTt
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exe78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription ioc process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Loads dropped DLL 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exepid process 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 78c56c6fd7ed0ff5c69ec132d61e27b3.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook 78c56c6fd7ed0ff5c69ec132d61e27b3.exe Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 2 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Murkly\Knsenes236\Paba.fol 78c56c6fd7ed0ff5c69ec132d61e27b3.exe File created C:\Windows\SysWOW64\udfrings\drejebnke.lnk 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exepid process 2084 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 2084 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exe78c56c6fd7ed0ff5c69ec132d61e27b3.exepid process 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 2084 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription pid process target process PID 616 set thread context of 2084 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Drops file in Windows directory 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription ioc process File opened for modification C:\Windows\resources\fluidible\temptsome\Brkagernes26\philanthropinist.mem 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exepid process 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exepid process 2084 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription pid process Token: SeDebugPrivilege 2084 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription pid process target process PID 616 wrote to memory of 2084 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe PID 616 wrote to memory of 2084 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe PID 616 wrote to memory of 2084 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe PID 616 wrote to memory of 2084 616 78c56c6fd7ed0ff5c69ec132d61e27b3.exe 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
outlook_office_path 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 78c56c6fd7ed0ff5c69ec132d61e27b3.exe -
outlook_win_path 1 IoCs
Processes:
78c56c6fd7ed0ff5c69ec132d61e27b3.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 78c56c6fd7ed0ff5c69ec132d61e27b3.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe"C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe"C:\Users\Admin\AppData\Local\Temp\78c56c6fd7ed0ff5c69ec132d61e27b3.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\nss8CEF.tmp\System.dllFilesize
11KB
MD5a4dd044bcd94e9b3370ccf095b31f896
SHA117c78201323ab2095bc53184aa8267c9187d5173
SHA2562e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA51287335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
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C:\Users\Admin\AppData\Local\Tristich.lnkFilesize
1016B
MD52e2059141dcb0d3144936d4ae4ddc3ed
SHA196c45303107006d9c697a8baed09c2cba05f7260
SHA256c035a4a8f5dda3c86ddab8af3c1a4a22da5157c1ae41989b7c1a4208649fbe35
SHA5125fb69747fb03649f954014686cd2ed4b5fe0eabe849c7aed8456c68cb943c9717beef7436b7e03e910a85759e6659e3272950d9f358100ffb6af3eec9d57ce10
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4238149048-355649189-894321705-1000\0f5007522459c86e95ffcc62f32308f1_2fa110fe-bc31-469f-9e23-67a5476488afFilesize
46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4238149048-355649189-894321705-1000\0f5007522459c86e95ffcc62f32308f1_2fa110fe-bc31-469f-9e23-67a5476488afFilesize
46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
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memory/2084-359-0x0000000000400000-0x0000000001654000-memory.dmpFilesize
18.3MB
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memory/2084-363-0x0000000001660000-0x0000000004A9E000-memory.dmpFilesize
52.2MB
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memory/2084-364-0x0000000001660000-0x0000000004A9E000-memory.dmpFilesize
52.2MB