Analysis
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max time kernel
149s -
max time network
140s -
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 11:08
Static task
static1
Behavioral task
behavioral1
Sample
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe
Resource
win10v2004-20230220-en
General
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Target
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.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:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription ioc process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Loads dropped DLL 1 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exepid process 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.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:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.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:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription ioc process File created C:\Windows\SysWOW64\udfrings\drejebnke.lnk 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe File opened for modification C:\Windows\SysWOW64\Murkly\Knsenes236\Paba.fol 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exepid process 2816 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe 2816 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exepid process 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe 2816 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription pid process target process PID 1736 set thread context of 2816 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Drops file in Windows directory 1 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription ioc process File opened for modification C:\Windows\resources\fluidible\temptsome\Brkagernes26\philanthropinist.mem 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.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:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exepid process 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exepid process 2816 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription pid process Token: SeDebugPrivilege 2816 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription pid process target process PID 1736 wrote to memory of 2816 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe PID 1736 wrote to memory of 2816 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe PID 1736 wrote to memory of 2816 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe PID 1736 wrote to memory of 2816 1736 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
outlook_office_path 1 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe -
outlook_win_path 1 IoCs
Processes:
6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe"C:\Users\Admin\AppData\Local\Temp\6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.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\6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.exe"C:\Users\Admin\AppData\Local\Temp\6fac7a1f4443bf70639465110324881bdf63d2bb86e1a4397dd72a25fa1364a8.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\nsl96B8.tmp\System.dllFilesize
11KB
MD5a4dd044bcd94e9b3370ccf095b31f896
SHA117c78201323ab2095bc53184aa8267c9187d5173
SHA2562e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA51287335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
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C:\Users\Admin\AppData\Local\Tristich.lnkFilesize
1020B
MD56dceaa2b7650a7a535856aaf704f2b01
SHA1d1923300541c27311f7c482074e995e2bd52aea6
SHA256fd07124c430e0f0233d8970e0741614cf09ae53e8350a0c5401463a387900c4d
SHA512a4e2948b8d31034ad4ad4f2d4dafec74aa18ffe62898218719d0ee5f909a8bb47ea00af0da59bf658edbb73fe78fcf4b4aca86ff1056a6ecc9431fe9358e4990
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2275444769-3691835758-4097679484-1000\0f5007522459c86e95ffcc62f32308f1_6d187d53-139c-415c-b71c-a4b59992e636Filesize
46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2275444769-3691835758-4097679484-1000\0f5007522459c86e95ffcc62f32308f1_6d187d53-139c-415c-b71c-a4b59992e636Filesize
46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
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memory/2816-359-0x0000000000400000-0x0000000001654000-memory.dmpFilesize
18.3MB
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memory/2816-363-0x0000000001660000-0x0000000004A9E000-memory.dmpFilesize
52.2MB
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memory/2816-365-0x0000000001660000-0x0000000004A9E000-memory.dmpFilesize
52.2MB