Analysis
- max time kernel
114s - max time network
145s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
20/12/2021, 16:56
Static task
static1
Behavioral task
behavioral1
Sample
a8310b450f4be0f4d873d743f4e1b902.dll
Resource
win7-en-20211208
0 signatures
0 seconds
General
- Target a8310b450f4be0f4d873d743f4e1b902.dll
- Size 512KB
- Sample211220-vfpblscafp
- SHA256 69c083542e53579cfd344f93d7109f13a676adf4d73fa41425b3b0fa1dc702e4
- MD5 a8310b450f4be0f4d873d743f4e1b902
- SHA1 3b07e8955ffd27fb919a095e0d2cb39922b59b2f
- SHA512 ccc76c2fb3e7b6271fc1cc47e1d5665709686256be7960c23f0be9e326c19b078f8015585d26f39ae6e37231101b7b44e7ada130dba0047c7990a7c0dbe23537
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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dridex
Botnet
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22203
C2
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51.159.52.196:443
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134.209.247.135:6602
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194.233.68.48:5228
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89.31.56.58:593
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral2/memory/3772-116-0x0000000073D60000-0x0000000073DE1000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 2260 3772 WerFault.exe 69 - Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe 2260 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2260 WerFault.exe Token: SeBackupPrivilege 2260 WerFault.exe Token: SeDebugPrivilege 2260 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2712 wrote to memory of 3772 2712 rundll32.exe 69 PID 2712 wrote to memory of 3772 2712 rundll32.exe 69 PID 2712 wrote to memory of 3772 2712 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a8310b450f4be0f4d873d743f4e1b902.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2712 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a8310b450f4be0f4d873d743f4e1b902.dll,#12⤵PID:3772
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3772 -s 6923⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2260
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