Analysis
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max time kernel
24s -
max time network
114s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 15:27
Static task
static1
General
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Target
2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82.dll
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Size
170KB
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MD5
54a314d2a89d0a3127085b402db18b30
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SHA1
98c259a38b698b9923481ced596441faa66ac1c7
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SHA256
2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82
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SHA512
76fa850776a78dd3677324e5a705cf1396a95a4d595ae00dccea04e0a53d3e749e73243541b1ebd51bddca7b79bc677f066a23a9c342edbb44ad75e577dc100f
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/1584-115-0x0000000073F50000-0x0000000073F80000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 2856 1584 WerFault.exe 71 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe 2856 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 2856 WerFault.exe Token: SeBackupPrivilege 2856 WerFault.exe Token: SeDebugPrivilege 2856 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1040 wrote to memory of 1584 1040 rundll32.exe 71 PID 1040 wrote to memory of 1584 1040 rundll32.exe 71 PID 1040 wrote to memory of 1584 1040 rundll32.exe 71
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1040 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2a760c8522ca2dd2a7017b0308d4dc2d4876728a66fa44674304f06c4741dd82.dll,#12⤵PID:1584
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1584 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2856
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