Analysis
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max time kernel
25s -
max time network
122s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 15:30
Static task
static1
General
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Target
2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a.dll
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Size
170KB
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MD5
f7bb6c66be30cd722820627ab6553982
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SHA1
0678b8f371273ebc003f321aea06f7187a0434f4
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SHA256
2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a
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SHA512
bbd08d5fcfa0e5c181b05baa9e396fd60fde33e62a21b36e0fd79fa3a6e5388f70131c847586cc9d1d2efcd1e9b450c1da77f954730b83b8d1f8ee06d1a2e8ba
Malware Config
Extracted
Family
dridex
Botnet
40112
C2
128.199.200.38:443
192.163.233.216:6601
43.229.206.244:4125
rc4.plain
rc4.plain
Signatures
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resource yara_rule behavioral1/memory/3628-115-0x0000000073560000-0x0000000073590000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 928 3628 WerFault.exe 68 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe 928 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 928 WerFault.exe Token: SeBackupPrivilege 928 WerFault.exe Token: SeDebugPrivilege 928 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3932 wrote to memory of 3628 3932 rundll32.exe 68 PID 3932 wrote to memory of 3628 3932 rundll32.exe 68 PID 3932 wrote to memory of 3628 3932 rundll32.exe 68
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2898c89561c26da0d29e2538d9ef0e64e4ea503c5429507f74732e58708ef64a.dll,#12⤵PID:3628
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3628 -s 6843⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:928
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