Analysis
- max time kernel
149s - max time network
133s - platform
windows10_x64 - resource
win10v200430 - submitted
14/07/2020, 05:12
Static task
static1
Behavioral task
behavioral1
Sample
DUI70.dll
Resource
win7
windows7_x64
0 signatures
0 seconds
General
- Target DUI70.dll
- Size 1.2MB
- Sample200714-djyygf591a
- SHA256 1bc4755b2828092f30c53c4099d2a1b118d1a68686a82b7c11ef12c6ae93f8d4
- MD5 ca7f847ac49ea5ec058b9455bacbb326
- SHA1 9ea5760c8d7b2f1a479901677338e487e62aaad0
- SHA512 5e57d36b700f030c977213899b2d5e4421abcaf54a41ccb336067e52f779066916b58ff1c81441be8c4e69240106569d40371b6ba862e6d89cbeda1cc65d6818
- MD5 SHA1 SHA512
Malware Config
Signatures
-
resource yara_rule behavioral2/memory/3008-2-0x0000000140000000-0x0000000140138000-memory.dmp dridex_ldr -
resource yara_rule behavioral2/memory/3008-2-0x0000000140000000-0x0000000140138000-memory.dmp dridex_ldr_dmod - Executes dropped EXE 3 IoCs
pid Process 2868 msinfo32.exe 3752 raserver.exe 3024 psr.exe - Loads dropped DLL 3 IoCs
pid Process 2868 msinfo32.exe 3752 raserver.exe 3024 psr.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ywfbribtuthwh = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Templates\\l5\\raserver.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 msinfo32.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA raserver.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA psr.exe - Suspicious behavior: EnumeratesProcesses 638 IoCs
pid Process 4012 rundll32.exe 4012 rundll32.exe 4012 rundll32.exe 4012 rundll32.exe 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not 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Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 2868 msinfo32.exe 2868 msinfo32.exe 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3752 raserver.exe 3752 raserver.exe 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3024 psr.exe 3008 Process not Found 3024 psr.exe 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not 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description pid Process Token: SeShutdownPrivilege 3008 Process not Found Token: SeCreatePagefilePrivilege 3008 Process not Found Token: SeShutdownPrivilege 3008 Process not Found Token: SeCreatePagefilePrivilege 3008 Process not Found Token: SeShutdownPrivilege 3008 Process not Found Token: SeCreatePagefilePrivilege 3008 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3008 wrote to memory of 2816 3008 Process not Found 68 PID 3008 wrote to memory of 2816 3008 Process not Found 68 PID 3008 wrote to memory of 2868 3008 Process not Found 69 PID 3008 wrote to memory of 2868 3008 Process not Found 69 PID 3008 wrote to memory of 3696 3008 Process not Found 70 PID 3008 wrote to memory of 3696 3008 Process not Found 70 PID 3008 wrote to memory of 3752 3008 Process not Found 71 PID 3008 wrote to memory of 3752 3008 Process not Found 71 PID 3008 wrote to memory of 3180 3008 Process not Found 72 PID 3008 wrote to memory of 3180 3008 Process not Found 72 PID 3008 wrote to memory of 3024 3008 Process not Found 73 PID 3008 wrote to memory of 3024 3008 Process not Found 73
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\DUI70.dll,#11⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:4012
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C:\Windows\system32\msinfo32.exeC:\Windows\system32\msinfo32.exe1⤵PID:2816
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C:\Users\Admin\AppData\Local\SbOCQ4r\msinfo32.exeC:\Users\Admin\AppData\Local\SbOCQ4r\msinfo32.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:2868
-
C:\Windows\system32\raserver.exeC:\Windows\system32\raserver.exe1⤵PID:3696
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C:\Users\Admin\AppData\Local\Wx98eXbam\raserver.exeC:\Users\Admin\AppData\Local\Wx98eXbam\raserver.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3752
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C:\Windows\system32\psr.exeC:\Windows\system32\psr.exe1⤵PID:3180
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C:\Users\Admin\AppData\Local\m0bstPc\psr.exeC:\Users\Admin\AppData\Local\m0bstPc\psr.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:3024