Analysis
- max time kernel
88s - max time network
23s - platform
windows7_x64 - resource
win7-en-20210920 - submitted
23/09/2021, 11:03
Static task
static1
Behavioral task
behavioral1
Sample
48f75bdbc25c9cc7df1fe7837a81bf35.exe
Resource
win7-en-20210920
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
48f75bdbc25c9cc7df1fe7837a81bf35.exe
Resource
win10-en-20210920
0 signatures
0 seconds
General
- Target 48f75bdbc25c9cc7df1fe7837a81bf35.exe
- Size 192KB
- Sample210923-m5ppnsabb3
- SHA256 397c1235b17a6b14fa61e480e59cf0d6c7d2cf7d633ae1c3957f82c23c985b95
- MD5 48f75bdbc25c9cc7df1fe7837a81bf35
- SHA1 88c5f6ddf9dd87e2f87722e9c1cd286165144d95
- SHA512 37666bb79f5350cd0a17f7049565ef7cc9eea549cd832b4ac86134359b2f1e0921a711429a015458f765675398cca4afce2c33b0e38d081ad6fafc5b3df44728
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Checks QEMU agent file 2 TTPs 1 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 48f75bdbc25c9cc7df1fe7837a81bf35.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1356 set thread context of 1088 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe 29 - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1356 wrote to memory of 1088 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe 29 PID 1356 wrote to memory of 1088 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe 29 PID 1356 wrote to memory of 1088 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe 29 PID 1356 wrote to memory of 1088 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe 29 PID 1356 wrote to memory of 1088 1356 48f75bdbc25c9cc7df1fe7837a81bf35.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\48f75bdbc25c9cc7df1fe7837a81bf35.exe"C:\Users\Admin\AppData\Local\Temp\48f75bdbc25c9cc7df1fe7837a81bf35.exe"1⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Users\Admin\AppData\Local\Temp\48f75bdbc25c9cc7df1fe7837a81bf35.exe"C:\Users\Admin\AppData\Local\Temp\48f75bdbc25c9cc7df1fe7837a81bf35.exe"2⤵PID:1088
-