Analysis
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max time kernel
150s -
max time network
158s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 10:02
Static task
static1
Behavioral task
behavioral1
Sample
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
Resource
win10v2004-20221111-en
General
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Target
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe
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Size
797KB
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MD5
a797ebe7413dda691136baa61cec61f9
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SHA1
9092df3087817d296857c188fe0e417df2c33789
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SHA256
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2
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SHA512
c9d948df6dfcad662ec0fee16b32d98d0d240985713d487256b89f3910f294387e21e8aacb40181bd9548d88ab35b1048a7d2a1cd70952c21812885bbcf6928b
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SSDEEP
12288:YhkDgouVA2nxKkorvdRgQriDwOIxmxiZnYQE7PJcE4aJ1d7JAMRFwCTc5zNEc5V3:ARmJkcoQricOIQxiZY1iabjsCTizNEqd
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 2 IoCs
Processes:
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exedescription ioc Process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\M-38593585020495849\winmgr.exe = "C:\\Users\\Admin\\M-38593585020495849\\winmgr.exe:*:Enabled:Microsoft Windows Manager" 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe -
Executes dropped EXE 2 IoCs
Processes:
winmgr.exewinmgr.exepid Process 1540 winmgr.exe 1448 winmgr.exe -
Loads dropped DLL 1 IoCs
Processes:
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exepid Process 1964 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Manager = "C:\\Users\\Admin\\M-38593585020495849\\winmgr.exe" 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe Key created \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe -
AutoIT Executable 4 IoCs
AutoIT scripts compiled to PE executables.
Processes:
resource yara_rule behavioral1/files/0x00090000000133ab-63.dat autoit_exe behavioral1/files/0x00090000000133ab-65.dat autoit_exe behavioral1/files/0x00090000000133ab-67.dat autoit_exe behavioral1/files/0x00090000000133ab-73.dat autoit_exe -
Suspicious use of SetThreadContext 2 IoCs
Processes:
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exewinmgr.exedescription pid Process procid_target PID 2024 set thread context of 1964 2024 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 26 PID 1540 set thread context of 1448 1540 winmgr.exe 28 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 16 IoCs
Processes:
1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exewinmgr.exedescription pid Process procid_target PID 2024 wrote to memory of 1964 2024 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 26 PID 2024 wrote to memory of 1964 2024 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 26 PID 2024 wrote to memory of 1964 2024 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 26 PID 2024 wrote to memory of 1964 2024 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 26 PID 2024 wrote to memory of 1964 2024 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 26 PID 2024 wrote to memory of 1964 2024 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 26 PID 1964 wrote to memory of 1540 1964 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 27 PID 1964 wrote to memory of 1540 1964 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 27 PID 1964 wrote to memory of 1540 1964 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 27 PID 1964 wrote to memory of 1540 1964 1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe 27 PID 1540 wrote to memory of 1448 1540 winmgr.exe 28 PID 1540 wrote to memory of 1448 1540 winmgr.exe 28 PID 1540 wrote to memory of 1448 1540 winmgr.exe 28 PID 1540 wrote to memory of 1448 1540 winmgr.exe 28 PID 1540 wrote to memory of 1448 1540 winmgr.exe 28 PID 1540 wrote to memory of 1448 1540 winmgr.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe"C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe"C:\Users\Admin\AppData\Local\Temp\1ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2.exe"2⤵
- Modifies firewall policy service
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Users\Admin\M-38593585020495849\winmgr.exe"C:\Users\Admin\M-38593585020495849\winmgr.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1540 -
C:\Users\Admin\M-38593585020495849\winmgr.exe"C:\Users\Admin\M-38593585020495849\winmgr.exe"4⤵
- Executes dropped EXE
PID:1448
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
33KB
MD5057abc70a878561a73b4166ae87748db
SHA1dd21870cfc5cfe147bea8539d10d49ff5d34f929
SHA25674fc5d9388ce1121f6ccd62f872662fb2a70ae5997fa92db18eaad36997a81b3
SHA512e269cfbb48479c840a6dd3d707435755ac3e836cb5b6442c2ec761c6ea1cc5663cc85590784e721c6bfe0208356a974aabbbeb014585f34b98e9411b6f9da2be
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Filesize
797KB
MD5a797ebe7413dda691136baa61cec61f9
SHA19092df3087817d296857c188fe0e417df2c33789
SHA2561ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2
SHA512c9d948df6dfcad662ec0fee16b32d98d0d240985713d487256b89f3910f294387e21e8aacb40181bd9548d88ab35b1048a7d2a1cd70952c21812885bbcf6928b
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Filesize
797KB
MD5a797ebe7413dda691136baa61cec61f9
SHA19092df3087817d296857c188fe0e417df2c33789
SHA2561ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2
SHA512c9d948df6dfcad662ec0fee16b32d98d0d240985713d487256b89f3910f294387e21e8aacb40181bd9548d88ab35b1048a7d2a1cd70952c21812885bbcf6928b
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Filesize
797KB
MD5a797ebe7413dda691136baa61cec61f9
SHA19092df3087817d296857c188fe0e417df2c33789
SHA2561ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2
SHA512c9d948df6dfcad662ec0fee16b32d98d0d240985713d487256b89f3910f294387e21e8aacb40181bd9548d88ab35b1048a7d2a1cd70952c21812885bbcf6928b
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Filesize
797KB
MD5a797ebe7413dda691136baa61cec61f9
SHA19092df3087817d296857c188fe0e417df2c33789
SHA2561ac984578bbbad9d358219190931933f2180a8654733cb632abe9e0b9f9810e2
SHA512c9d948df6dfcad662ec0fee16b32d98d0d240985713d487256b89f3910f294387e21e8aacb40181bd9548d88ab35b1048a7d2a1cd70952c21812885bbcf6928b