Analysis
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max time kernel
18s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
15/06/2021, 11:14
Static task
static1
General
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Target
4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e.dll
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Size
172KB
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MD5
76f5abaf8d30965bf9f20bc16ff0f731
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SHA1
d2cad480641404222f661042c59b3f7102b00456
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SHA256
4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e
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SHA512
a05a8f4771c950f699a39d153ac63cf969c4383f8d377ba6c8a6243f96d6db14a92b71f49e67bb02fe29fb40a4ba9ac326772fe4074a2aeafa253ffb07108e55
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/3300-115-0x0000000073B80000-0x0000000073BB0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 1492 3300 WerFault.exe 70 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe 1492 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 1492 WerFault.exe Token: SeBackupPrivilege 1492 WerFault.exe Token: SeDebugPrivilege 1492 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3988 wrote to memory of 3300 3988 rundll32.exe 70 PID 3988 wrote to memory of 3300 3988 rundll32.exe 70 PID 3988 wrote to memory of 3300 3988 rundll32.exe 70
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3988 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\4daac28f8b4e6c8ff3ff3b0f1c7992688d3068cd2383d4211b52e2bdee597c0e.dll,#12⤵PID:3300
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3300 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492
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