Analysis
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max time kernel
143s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-it -
resource tags
arch:x64arch:x86image:win10v2004-20230703-itlocale:it-itos:windows10-2004-x64systemwindows -
submitted
14/07/2023, 05:28
Static task
static1
Behavioral task
behavioral1
Sample
4932f86091f0af9f46801b9163b1d24a21e77885.exe
Resource
win7-20230712-it
Behavioral task
behavioral2
Sample
4932f86091f0af9f46801b9163b1d24a21e77885.exe
Resource
win10v2004-20230703-it
General
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Target
4932f86091f0af9f46801b9163b1d24a21e77885.exe
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Size
176KB
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MD5
7ac63395738e3b8c7e1362af28649af1
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SHA1
4932f86091f0af9f46801b9163b1d24a21e77885
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SHA256
d9f6b0397db13e0a9411972f7bffca3541cc5fb3a70908adb0c94e8101191b2e
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SHA512
4d9581b6d288165986297720ce421e6c43a595613204060641438890fde364399f68f4f7290e65fbf5027f8dd66dcd28fa6cc7da4d20d9fe2046cdd3f207596f
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SSDEEP
3072:72acZ7kUdPIinyccnpbjSTafg4xmEo2NGIBMcQ6H6IMSTeAhiDDLV1JsQEONDTq6:728A9KgqgKmxIBNQ6HcyeAhcN1JOOJq6
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.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 4932f86091f0af9f46801b9163b1d24a21e77885.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
Loads dropped DLL 2 IoCs
pid Process 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe 4468 4932f86091f0af9f46801b9163b1d24a21e77885.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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 4932f86091f0af9f46801b9163b1d24a21e77885.exe Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook 4932f86091f0af9f46801b9163b1d24a21e77885.exe Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce 4932f86091f0af9f46801b9163b1d24a21e77885.exe Set value (str) \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Undvrede.exe" 4932f86091f0af9f46801b9163b1d24a21e77885.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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Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 3360 4932f86091f0af9f46801b9163b1d24a21e77885.exe 3360 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe 3360 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4468 set thread context of 3360 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 3360 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3360 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 4468 wrote to memory of 3360 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe 94 PID 4468 wrote to memory of 3360 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe 94 PID 4468 wrote to memory of 3360 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe 94 PID 4468 wrote to memory of 3360 4468 4932f86091f0af9f46801b9163b1d24a21e77885.exe 94 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook 4932f86091f0af9f46801b9163b1d24a21e77885.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-1043950675-1972537973-2972532878-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook 4932f86091f0af9f46801b9163b1d24a21e77885.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\4932f86091f0af9f46801b9163b1d24a21e77885.exe"C:\Users\Admin\AppData\Local\Temp\4932f86091f0af9f46801b9163b1d24a21e77885.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:4468 -
C:\Users\Admin\AppData\Local\Temp\4932f86091f0af9f46801b9163b1d24a21e77885.exe"C:\Users\Admin\AppData\Local\Temp\4932f86091f0af9f46801b9163b1d24a21e77885.exe"2⤵
- Checks QEMU agent file
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:3360
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD54d3b19a81bd51f8ce44b93643a4e3a99
SHA135f8b00e85577b014080df98bd2c378351d9b3e9
SHA256fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
SHA512b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622
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Filesize
11KB
MD54d3b19a81bd51f8ce44b93643a4e3a99
SHA135f8b00e85577b014080df98bd2c378351d9b3e9
SHA256fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
SHA512b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622
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Filesize
11KB
MD54d3b19a81bd51f8ce44b93643a4e3a99
SHA135f8b00e85577b014080df98bd2c378351d9b3e9
SHA256fda0018ab182ac6025d2fc9a2efcce3745d1da21ce5141859f8286cf319a52ce
SHA512b2ba9c961c0e1617f802990587a9000979ab5cc493ae2f8ca852eb43eeaf24916b0b29057dbff7d41a1797dfb2dce3db41990e8639b8f205771dbec3fd80f622
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1043950675-1972537973-2972532878-1000\0f5007522459c86e95ffcc62f32308f1_a580142d-a9c5-4a77-9177-669dbb664290
Filesize46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1043950675-1972537973-2972532878-1000\0f5007522459c86e95ffcc62f32308f1_a580142d-a9c5-4a77-9177-669dbb664290
Filesize46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b