Analysis
- max time kernel
18s - max time network
112s - platform
windows10_x64 - resource
win10v20210410 - submitted
15/06/2021, 10:39
Static task
static1
General
- Target 0d33d4120d131f9e27a3fd89d91c94bf42f80fdab05b6812909b4a05a94e815c.dll
- Size 170KB
- Sample210615-cnnflta89a
- SHA256 0d33d4120d131f9e27a3fd89d91c94bf42f80fdab05b6812909b4a05a94e815c
- MD5 711ac5a983e895f4336e85e83a9810e0
- SHA1 d0eee1fd8bb212d4ac2b5abfddce970b8948ad35
- SHA512 428d2bc1ba985008936881b018da55a42fbb2904a4c3da76d5011d23fb56e8103c1ceb49b317cb20cbf2f8f7ffa04f8181f3b48defcaf1e20899202b73dadc8e
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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dridex
Botnet
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40112
C2
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128.199.200.38:443
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192.163.233.216:6601
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43.229.206.244:4125
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/3936-115-0x0000000074090000-0x00000000740C0000-memory.dmp dridex_ldr - Program crash 1 IoCs
pid pid_target Process procid_target 3452 3936 WerFault.exe 68 - Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe 3452 WerFault.exe - Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 3452 WerFault.exe Token: SeBackupPrivilege 3452 WerFault.exe Token: SeDebugPrivilege 3452 WerFault.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3952 wrote to memory of 3936 3952 rundll32.exe 68 PID 3952 wrote to memory of 3936 3952 rundll32.exe 68 PID 3952 wrote to memory of 3936 3952 rundll32.exe 68
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0d33d4120d131f9e27a3fd89d91c94bf42f80fdab05b6812909b4a05a94e815c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0d33d4120d131f9e27a3fd89d91c94bf42f80fdab05b6812909b4a05a94e815c.dll,#12⤵PID:3936
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3936 -s 6763⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3452
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