Analysis
- max time kernel
100s - max time network
152s - platform
windows10_x64 - resource
win10v20210408 - submitted
17/09/2021, 21:36
Static task
static1
Behavioral task
behavioral1
Sample
acd210a0d0b6d5b9ea2de9d144ac77b9caf10348.dll
Resource
win7-en-20210916
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
acd210a0d0b6d5b9ea2de9d144ac77b9caf10348.dll
Resource
win10v20210408
0 signatures
0 seconds
General
- Target acd210a0d0b6d5b9ea2de9d144ac77b9caf10348.dll
- Size 84KB
- Sample210917-1fxkwagfa4
- SHA256 754a35180c3545e644e82f3a075779f49e99ba7a525dd580e437f13a81efd2b5
- MD5 0f7b89ff6abb28cf553688b31bdd31c5
- SHA1 acd210a0d0b6d5b9ea2de9d144ac77b9caf10348
- SHA512 7591b7c746f8bb8eaa0c00ef2db5182291b09b7df2ff41212372e3c543da502466505869f80d50886ab9591b945afbb75e6299b48fba542a19ae5251d3bba125
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- BazarBackdoor
Stealthy backdoor targeting corporate networks, believed to be developed by Trickbot's authors.
- Bazar/Team9 Backdoor payload 3 IoCs
resource yara_rule behavioral2/memory/2724-121-0x00007FF7D1944D00-mapping.dmp BazarBackdoorVar4 behavioral2/memory/2724-120-0x00007FF7D1920000-0x00007FF7D196B000-memory.dmp BazarBackdoorVar4 behavioral2/memory/2724-122-0x00007FF7D1920000-0x00007FF7D196B000-memory.dmp BazarBackdoorVar4 - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 644 set thread context of 2724 644 regsvr32.exe 76 - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76 PID 644 wrote to memory of 2724 644 regsvr32.exe 76
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\acd210a0d0b6d5b9ea2de9d144ac77b9caf10348.dll1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k UnistackSvcGroup2⤵PID:2724
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\acd210a0d0b6d5b9ea2de9d144ac77b9caf10348.dll,DllRegisterServer {9AE34F11-ACBC-40B5-846F-32DE4C3F568E}1⤵PID:2080