Analysis
-
max time kernel
173s -
max time network
213s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 15:47
Static task
static1
Behavioral task
behavioral1
Sample
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe
Resource
win10v2004-20220901-en
General
-
Target
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe
-
Size
92KB
-
MD5
c21c38a2f12e9abcab403ce7b3b8121d
-
SHA1
483a57b1ef186b36352d482804740d1df3726053
-
SHA256
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49
-
SHA512
e85ba71603d6f50fe61688fcda732d128e9a445f9b153f48c3d733ea5921cff549eb2ab76ebda9227ffe93d0578374fb4acd736ced93c3b5eab7fb8350070bcb
-
SSDEEP
1536:EXZnsm2QX9DjWWdPBnQ/G6l/IU9KNWMwDz/xsz5FpTq:Hm245W//G6dONI2z5/q
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
Processes:
msiexec.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" msiexec.exe -
Processes:
msiexec.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" msiexec.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
msiexec.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run msiexec.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\1866260177 = "C:\\PROGRA~3\\msmcre.exe" msiexec.exe -
Blocklisted process makes network request 10 IoCs
Processes:
msiexec.exeflow pid process 2 532 msiexec.exe 3 532 msiexec.exe 4 532 msiexec.exe 7 532 msiexec.exe 9 532 msiexec.exe 11 532 msiexec.exe 12 532 msiexec.exe 13 532 msiexec.exe 14 532 msiexec.exe 15 532 msiexec.exe -
Disables taskbar notifications via registry modification
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exedescription pid process target process PID 1212 set thread context of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe -
Drops file in Program Files directory 1 IoCs
Processes:
msiexec.exedescription ioc process File opened for modification C:\PROGRA~3\msmcre.exe msiexec.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exemsiexec.exepid process 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe 532 msiexec.exe 532 msiexec.exe -
Suspicious behavior: MapViewOfSection 26 IoCs
Processes:
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exemsiexec.exepid process 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe 532 msiexec.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
msiexec.exepid process 532 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exemsiexec.exedescription pid process Token: SeDebugPrivilege 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe Token: SeBackupPrivilege 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe Token: SeRestorePrivilege 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe Token: SeDebugPrivilege 532 msiexec.exe Token: SeBackupPrivilege 532 msiexec.exe Token: SeRestorePrivilege 532 msiexec.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exepid process 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exeb0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exedescription pid process target process PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1212 wrote to memory of 1980 1212 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe PID 1980 wrote to memory of 532 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe msiexec.exe PID 1980 wrote to memory of 532 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe msiexec.exe PID 1980 wrote to memory of 532 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe msiexec.exe PID 1980 wrote to memory of 532 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe msiexec.exe PID 1980 wrote to memory of 532 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe msiexec.exe PID 1980 wrote to memory of 532 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe msiexec.exe PID 1980 wrote to memory of 532 1980 b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe msiexec.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe"C:\Users\Admin\AppData\Local\Temp\b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212 -
C:\Users\Admin\AppData\Local\Temp\b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe"C:\Users\Admin\AppData\Local\Temp\b0fac756b71f2fa884679d55f43898d2ab0d7f6a4eacb78acc5dea65e610da49.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\SysWOW64\msiexec.exeC:\Windows\SysWOW64\msiexec.exe3⤵
- Modifies visiblity of hidden/system files in Explorer
- UAC bypass
- Adds policy Run key to start application
- Blocklisted process makes network request
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:532