Analysis
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max time kernel
18s -
max time network
124s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 15:20
Static task
static1
General
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Target
87f9eac0a228e857cd89332378a23763a7b7c49b79438d80588fbd45207285b5.dll
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Size
172KB
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MD5
4f9e011f1056bbe45a3bd6bf74ed62c6
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SHA1
a3b99c21b728c952e7b02c34b4a4c6de546c2f4a
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SHA256
87f9eac0a228e857cd89332378a23763a7b7c49b79438d80588fbd45207285b5
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SHA512
1bcae9b09c77731152bac599f57b6739068477e0ac242bbdb3307a9d5ff09454f4279aacd7b7915b93be90fe78bde139f820b58a518d981cd3b8f1970677e4fa
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/4524-115-0x0000000073820000-0x0000000073850000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 4136 4524 WerFault.exe 70 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe 4136 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 4136 WerFault.exe Token: SeBackupPrivilege 4136 WerFault.exe Token: SeDebugPrivilege 4136 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4452 wrote to memory of 4524 4452 rundll32.exe 70 PID 4452 wrote to memory of 4524 4452 rundll32.exe 70 PID 4452 wrote to memory of 4524 4452 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\87f9eac0a228e857cd89332378a23763a7b7c49b79438d80588fbd45207285b5.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\87f9eac0a228e857cd89332378a23763a7b7c49b79438d80588fbd45207285b5.dll,#12⤵PID:4524
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4524 -s 6843⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4136
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