Analysis
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max time kernel
22s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 11:22
Static task
static1
General
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Target
b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67.dll
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Size
172KB
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MD5
5c03f9aafb6fda5946f7b233e666b1a7
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SHA1
b0e65719f1afe34fdc855f95375db4d1535fb331
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SHA256
b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67
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SHA512
d980c738263f5ca7eea52cdd8cea933c11711777938236514075140514e5ebf1a2c6944d9e0ccd314a4c920aacf3a25663d1cbc2afb41623a9afc9d946163e29
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
210.65.244.187:443
162.241.41.92:2303
46.231.204.10:8172
185.183.159.100:4125
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/4692-115-0x0000000073C30000-0x0000000073C60000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 4036 4692 WerFault.exe 69 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe 4036 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 4036 WerFault.exe Token: SeBackupPrivilege 4036 WerFault.exe Token: SeDebugPrivilege 4036 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4652 wrote to memory of 4692 4652 rundll32.exe 69 PID 4652 wrote to memory of 4692 4652 rundll32.exe 69 PID 4652 wrote to memory of 4692 4652 rundll32.exe 69
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4652 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b2ad50150a5d6854ffe80630766f256512e331ca6df25f037b50369bb3c65e67.dll,#12⤵PID:4692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4692 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4036
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