Analysis
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max time kernel
27s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
21-07-2021 19:05
Static task
static1
Behavioral task
behavioral1
Sample
7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll
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Size
175KB
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MD5
e92d48a038b4208fafd89f2ed6c630fb
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SHA1
058d63533e5794a82f173246197584361c644115
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SHA256
7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a
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SHA512
808f4ca14e161c8b6e31ba0538f8ae886acb52c37e5f93138a9c86189f5a109b6fa33cf30749c1d08af8bb5315ce60b114225af8055b1ab15f2e568b3463a5e4
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
178.238.236.59:443
104.245.52.73:5007
81.0.236.93:13786
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral2/memory/1464-115-0x0000000074260000-0x0000000074290000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2700 1464 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
WerFault.exepid process 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe 2700 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2700 WerFault.exe Token: SeBackupPrivilege 2700 WerFault.exe Token: SeDebugPrivilege 2700 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1096 wrote to memory of 1464 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 1464 1096 rundll32.exe rundll32.exe PID 1096 wrote to memory of 1464 1096 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7a64e750e4ffda0b1731bf0449d335d2e23d0b76bb3d66830f5fb740fdc0ca4a.dll,#12⤵PID:1464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1464 -s 6363⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2700
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