Analysis
- max time kernel
143s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system - submitted
11/07/2023, 14:19
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe
Resource
win7-20230703-en
19 signatures
150 seconds
Behavioral task
behavioral2
Sample
Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe
Resource
win10v2004-20230703-en
18 signatures
150 seconds
General
- Target Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe
- Size 1.0MB
- Sample230711-rm9pcaae8x
- SHA256 b2d2f116713950b0742c2cb384c0377ac414be769d317f9e246ecb66730c889d
- MD5 790f3266b308066cd14f9900329e6f0c
- SHA1 7a9aa50d276c7f8b616d1c0b5bf8fe3d9328d0fa
- SHA512 ce45fd69dfdda994b563a4bc946bdee94dbc3a27d8909ef32fb44a5c3aa0f08af72d0daafd4adb14474918ff23a2c721b0b4a9a915c1a701ded69565f607bb44
- SSDEEP 24576:whlXrm7zYFdAlYobCNtwc9Vr+iUriIVP1PRXplA77RRW6:GXi7MAlYlNWcqNriIVP1PRXpwrW6
- 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 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Loads dropped DLL 1 IoCs
pid Process 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.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-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 756 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe 756 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe 756 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1524 set thread context of 756 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe 94 - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\statshemmeligheds.zir Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Suspicious behavior: RenamesItself 1 IoCs
pid Process 756 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 756 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1524 wrote to memory of 756 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe 94 PID 1524 wrote to memory of 756 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe 94 PID 1524 wrote to memory of 756 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe 94 PID 1524 wrote to memory of 756 1524 Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe 94 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3195054982-4292022746-1467505928-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe"C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.exe"C:\Users\Admin\AppData\Local\Temp\Richiesta Preventivo (ISGB) 7788EU - 0605ITA·pdf.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:756
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nsz91A3.tmp\System.dll
- Size 11KB
- SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
- MD5 75ed96254fbf894e42058062b4b4f0d1
- SHA1 996503f1383b49021eb3427bc28d13b5bbd11977
- SHA512 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4
- SSDEEP 192:X24sihno0bW+l97H4GB7QDs91kMtwtobTr4u+QHbazMNHT7dmNIEr:m8vJl97JeoxtN/r3z7YV
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3195054982-4292022746-1467505928-1000\0f5007522459c86e95ffcc62f32308f1_320257d5-a40a-4005-a66a-f8da3659bec3
- Size 46B
- SHA256 878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
- MD5 d898504a722bff1524134c6ab6a5eaa5
- SHA1 e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
- SHA512 26a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-3195054982-4292022746-1467505928-1000\0f5007522459c86e95ffcc62f32308f1_320257d5-a40a-4005-a66a-f8da3659bec3
- Size 46B
- SHA256 8c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
- MD5 c07225d4e7d01d31042965f048728a0a
- SHA1 69d70b340fd9f44c89adb9a2278df84faa9906b7
- SHA512 23d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
- MD5 SHA1 SHA512