Analysis
- max time kernel
140s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
07/07/2023, 05:46
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
Request a quote (National University of Singa.exe
Resource
win7-20230703-en
20 signatures
150 seconds
Behavioral task
behavioral2
Sample
Request a quote (National University of Singa.exe
Resource
win10v2004-20230703-en
20 signatures
150 seconds
General
- Target Request a quote (National University of Singa.exe
- Size 873KB
- Sample230707-ggamysfc96
- SHA256 2bcbb670647ed04d137cfb1d8a8fda4f7dbd1b3d668a99efc034539691e35514
- MD5 255687e6db93a61d62d5e8ada5d504e3
- SHA1 518c11a41cff360b0ebe115bdb0c328dd1ecc47a
- SHA512 7e0b7a02f43f98f624c732aed32e5ea6afa3a19c76b6f347131430cca72a94fee034fc3b4c1879198eebd0638fbbdfe4ef8a41d043d233d4df26156aadb0cc58
- SSDEEP 24576:HnXLl0YnQpzaVCH67ozjvGHZlOXtjIKnH:Hbl0YQGe68fIZAcKH
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- 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 Request a quote (National University of Singa.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe Request a quote (National University of Singa.exe - Loads dropped DLL 1 IoCs
pid Process 1956 Request a quote (National University of Singa.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Request a quote (National University of Singa.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Request a quote (National University of Singa.exe Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Request a quote (National University of Singa.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 3200 Request a quote (National University of Singa.exe 3200 Request a quote (National University of Singa.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1956 Request a quote (National University of Singa.exe 3200 Request a quote (National University of Singa.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1956 set thread context of 3200 1956 Request a quote (National University of Singa.exe 90 - Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Kroatiens.ini Request a quote (National University of Singa.exe - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Fonts\norfolkian\karetmager\cigarkassers.ini Request a quote (National University of Singa.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1956 Request a quote (National University of Singa.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 3200 Request a quote (National University of Singa.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3200 Request a quote (National University of Singa.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1956 wrote to memory of 3200 1956 Request a quote (National University of Singa.exe 90 PID 1956 wrote to memory of 3200 1956 Request a quote (National University of Singa.exe 90 PID 1956 wrote to memory of 3200 1956 Request a quote (National University of Singa.exe 90 PID 1956 wrote to memory of 3200 1956 Request a quote (National University of Singa.exe 90 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Request a quote (National University of Singa.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Request a quote (National University of Singa.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Request a quote (National University of Singa.exe"C:\Users\Admin\AppData\Local\Temp\Request a quote (National University of Singa.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Users\Admin\AppData\Local\Temp\Request a quote (National University of Singa.exe"C:\Users\Admin\AppData\Local\Temp\Request a quote (National University of Singa.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
PID:3200
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\Kroatiens.ini
- Size 46B
- SHA256 9ae6e214317bf822ed00b8185b4afdbe64445a2a2c6acb65bbef78169da4feb9
- MD5 2de1b49ccee72feb73c16549ca07ca91
- SHA1 ed931f28e65beb64cc2aa36318035432293a872e
- SHA512 6a42dfbcb805c98d5d508f065bc147a2e4f7d8ad6019da1d9e162e16432884540035aff29774cbcd4a22f7ea4099d78d7e63ef00ed3fab9dccef779ad734b6ec
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\nsfDE8A.tmp\System.dll
- Size 11KB
- SHA256 a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
- MD5 b0c77267f13b2f87c084fd86ef51ccfc
- SHA1 f7543f9e9b4f04386dfbf33c38cbed1bf205afb3
- SHA512 f2b57a2eea00f52a3c7080f4b5f2bb85a7a9b9f16d12da8f8ff673824556c62a0f742b72be0fd82a2612a4b6dbd7e0fdc27065212da703c2f7e28d199696f66e
- SSDEEP 192:4PtkiQJr7jHYT87RfwXQ6YSYtOuVDi7IsFW14Ll8CO:H78TQIgGCDp14LGC
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4176143399-3250363947-192774652-1000\0f5007522459c86e95ffcc62f32308f1_a45f701b-5010-437a-b6fa-20e6d38f067d
- Size 46B
- SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
- MD5 d898504a722bff1524134c6ab6a5eaa5
- SHA1 e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
- SHA512 26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-4176143399-3250363947-192774652-1000\0f5007522459c86e95ffcc62f32308f1_a45f701b-5010-437a-b6fa-20e6d38f067d
- Size 46B
- SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
- MD5 c07225d4e7d01d31042965f048728a0a
- SHA1 69d70b340fd9f44c89adb9a2278df84faa9906b7
- SHA512 23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
- MD5 SHA1 SHA512