Analysis
-
max time kernel
147s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
05/08/2023, 13:32
Static task
static1
Behavioral task
behavioral1
Sample
7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe
Resource
win10v2004-20230703-en
General
-
Target
7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe
-
Size
512KB
-
MD5
42836e7a6c9e56debb04aa192c9dd3f0
-
SHA1
f28722c60a354a79fd6fad6932ff28d1034eaba5
-
SHA256
7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362
-
SHA512
01b4a6f7fd965a10628be28f038152dad9de86d7f01bbfb025b238ec5cf941a1b59dc8e727a506f5e94af95b67957d84d494c9cb5e4e69b25160be8a249fce25
-
SSDEEP
12288:p7LABZYQkao8Rqc5pbIvFPWOLogchFk/cmW1bGfKKxvEFlI:xN8cc5pbGlo6W1bG7dUI
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 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe caspol.exe -
Loads dropped DLL 1 IoCs
pid Process 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 3848 caspol.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2220 set thread context of 3848 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2220 wrote to memory of 1568 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 90 PID 2220 wrote to memory of 1568 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 90 PID 2220 wrote to memory of 1568 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 90 PID 2220 wrote to memory of 332 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 91 PID 2220 wrote to memory of 332 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 91 PID 2220 wrote to memory of 332 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 91 PID 2220 wrote to memory of 3848 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 92 PID 2220 wrote to memory of 3848 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 92 PID 2220 wrote to memory of 3848 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 92 PID 2220 wrote to memory of 3848 2220 7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe"C:\Users\Admin\AppData\Local\Temp\7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.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:2220 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe"2⤵PID:1568
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe"2⤵PID:332
-
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe"C:\Users\Admin\AppData\Local\Temp\7247a3f88c9926488072d10907f19c9ed6b73f2ad2e218c89749d53957ba0362exe_JC.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3848
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
11KB
MD53f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1fe582246792774c2c9dd15639ffa0aca90d6fd0b
SHA256fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
SHA5120a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6