Analysis
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max time kernel
18s -
max time network
112s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 15:23
Static task
static1
General
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Target
6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea.dll
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Size
170KB
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MD5
b9536e911072100bf56fa136c2e862fb
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SHA1
482b2168c160ca6950ec925194eda06064e8d69b
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SHA256
6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea
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SHA512
3b6c07877a795afc8bf53de1fa623381ece9c7edb2f2bb5d54194ad81d3bb0a4e9d43f3f2218d5ff4f0c20ecbe4b78057a4df36002509089ac3c6e5452e8cd88
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/3908-115-0x00000000735D0000-0x0000000073600000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 408 3908 WerFault.exe 53 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe 408 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 408 WerFault.exe Token: SeBackupPrivilege 408 WerFault.exe Token: SeDebugPrivilege 408 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3924 wrote to memory of 3908 3924 rundll32.exe 53 PID 3924 wrote to memory of 3908 3924 rundll32.exe 53 PID 3924 wrote to memory of 3908 3924 rundll32.exe 53
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3924 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\6517efc7669ca0f1321248c75eeee90b5f6b50fa9a7ce3c10e259d2b7b106aea.dll,#12⤵PID:3908
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:408
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