Analysis
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max time kernel
23s -
max time network
136s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
15/06/2021, 11:05
Static task
static1
General
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Target
a277592663b728f42b49908109ec49647e5bff6f61f43527012725becc713c26.dll
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Size
172KB
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MD5
21dc239b4938ddc0b7ceb7b8adad6a19
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SHA1
02f962fa72d54ad8546603b9551f08aae9567c0b
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SHA256
a277592663b728f42b49908109ec49647e5bff6f61f43527012725becc713c26
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SHA512
97ef94b8db541bd4e5e7dbea1bd37d40f00ce0527ad2ae609b195753f71dd7e74fc71c46c71f96815817196711d650d376db7a0442d3cc559edaa4b8b688ef77
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/4752-115-0x0000000073C30000-0x0000000073C60000-memory.dmp dridex_ldr -
Program crash 1 IoCs
pid pid_target Process procid_target 4192 4752 WerFault.exe 71 -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe 4192 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeRestorePrivilege 4192 WerFault.exe Token: SeBackupPrivilege 4192 WerFault.exe Token: SeDebugPrivilege 4192 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4660 wrote to memory of 4752 4660 rundll32.exe 71 PID 4660 wrote to memory of 4752 4660 rundll32.exe 71 PID 4660 wrote to memory of 4752 4660 rundll32.exe 71
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a277592663b728f42b49908109ec49647e5bff6f61f43527012725becc713c26.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a277592663b728f42b49908109ec49647e5bff6f61f43527012725becc713c26.dll,#12⤵PID:4752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 6803⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4192
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