Analysis
- max time kernel
155s - max time network
121s - platform
windows7_x64 - resource
win7-en-20211104 - submitted
26/11/2021, 09:26
Static task
static1
Behavioral task
behavioral1
Sample
34e4dd4f79639ebda6d63dd10e01d559439611fcc4c79151f947bff810dfd722.dll
Resource
win7-en-20211104
0 signatures
0 seconds
General
- Target 34e4dd4f79639ebda6d63dd10e01d559439611fcc4c79151f947bff810dfd722.dll
- Size 1.5MB
- Sample211126-ld769sbecp
- SHA256 34e4dd4f79639ebda6d63dd10e01d559439611fcc4c79151f947bff810dfd722
- MD5 f17489e5825eb3807e527ec6186380a9
- SHA1 ae23c9f0a5685c28a0d7169d9ef037b42c6f04c4
- SHA512 65818046d82af5ac7a64712dca49fe4e6bd988cd2c80a3ca9855729d91c3f5f5f470ef63d20345b95bafc6058b419a5feb1f94e2e6493b6127744e04a5f0cf4f
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral1/memory/1384-60-0x0000000002690000-0x0000000002691000-memory.dmp dridex_stager_shellcode - Executes dropped EXE 3 IoCs
pid Process 1952 BdeUISrv.exe 1900 Magnify.exe 1612 DWWIN.EXE - Loads dropped DLL 7 IoCs
pid Process 1384 Process not Found 1952 BdeUISrv.exe 1384 Process not Found 1900 Magnify.exe 1384 Process not Found 1612 DWWIN.EXE 1384 Process not Found - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Windows\CurrentVersion\Run\Myzdcwow = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\FLASHP~1\\ASSETC~1\\V2KDBBRB\\Bzeqkxx\\Magnify.exe" Process not Found -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA BdeUISrv.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Magnify.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DWWIN.EXE - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 240 rundll32.exe 240 rundll32.exe 240 rundll32.exe 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1952 BdeUISrv.exe 1952 BdeUISrv.exe 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1384 Process not Found 1900 Magnify.exe 1900 Magnify.exe 1384 Process not Found 1384 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1384 Process not Found - Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1384 wrote to memory of 1960 1384 Process not Found 28 PID 1384 wrote to memory of 1960 1384 Process not Found 28 PID 1384 wrote to memory of 1960 1384 Process not Found 28 PID 1384 wrote to memory of 1952 1384 Process not Found 29 PID 1384 wrote to memory of 1952 1384 Process not Found 29 PID 1384 wrote to memory of 1952 1384 Process not Found 29 PID 1384 wrote to memory of 1476 1384 Process not Found 30 PID 1384 wrote to memory of 1476 1384 Process not Found 30 PID 1384 wrote to memory of 1476 1384 Process not Found 30 PID 1384 wrote to memory of 1900 1384 Process not Found 31 PID 1384 wrote to memory of 1900 1384 Process not Found 31 PID 1384 wrote to memory of 1900 1384 Process not Found 31 PID 1384 wrote to memory of 1184 1384 Process not Found 32 PID 1384 wrote to memory of 1184 1384 Process not Found 32 PID 1384 wrote to memory of 1184 1384 Process not Found 32 PID 1384 wrote to memory of 1612 1384 Process not Found 33 PID 1384 wrote to memory of 1612 1384 Process not Found 33 PID 1384 wrote to memory of 1612 1384 Process not Found 33
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\34e4dd4f79639ebda6d63dd10e01d559439611fcc4c79151f947bff810dfd722.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:240
-
C:\Windows\system32\BdeUISrv.exeC:\Windows\system32\BdeUISrv.exe1⤵PID:1960
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C:\Users\Admin\AppData\Local\98kR\BdeUISrv.exeC:\Users\Admin\AppData\Local\98kR\BdeUISrv.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1952
-
C:\Windows\system32\Magnify.exeC:\Windows\system32\Magnify.exe1⤵PID:1476
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C:\Users\Admin\AppData\Local\bNopBNB\Magnify.exeC:\Users\Admin\AppData\Local\bNopBNB\Magnify.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1900
-
C:\Windows\system32\DWWIN.EXEC:\Windows\system32\DWWIN.EXE1⤵PID:1184
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C:\Users\Admin\AppData\Local\yyEJ\DWWIN.EXEC:\Users\Admin\AppData\Local\yyEJ\DWWIN.EXE1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1612