Analysis
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max time kernel
129s -
max time network
125s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
27-12-2021 09:16
Static task
static1
Behavioral task
behavioral1
Sample
tmp/e4db910a4147ac44bef76f71e6b0d6bd193b89a6268dda35f3b1c210cc111fe4.exe.dll
Resource
win7-en-20211208
windows7_x64
0 signatures
0 seconds
General
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Target
tmp/e4db910a4147ac44bef76f71e6b0d6bd193b89a6268dda35f3b1c210cc111fe4.exe.dll
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Size
524KB
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MD5
47c59530065e8e7e05a855879bf8a922
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SHA1
8fba3ea2428f92e8dc8497514d0817b54edc5be0
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SHA256
e4db910a4147ac44bef76f71e6b0d6bd193b89a6268dda35f3b1c210cc111fe4
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SHA512
c99e35f6313aa75f24b7bdb1cc9e91eb7246dd7cd79de9c18f50d1f6ee27984ff075c108d1025e16dbd6d03087d11bcb6f927c5773e8a03d7bdd02c204782a42
Malware Config
Extracted
Family
dridex
Botnet
22201
C2
104.36.167.47:443
188.40.48.93:4664
162.241.33.132:9217
217.160.5.104:593
rc4.plain
rc4.plain
Signatures
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Processes:
resource yara_rule behavioral1/memory/604-56-0x0000000074400000-0x0000000074485000-memory.dmp dridex_ldr behavioral1/memory/648-60-0x0000000000240000-0x00000000002A0000-memory.dmp dridex_ldr -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 648 604 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
WerFault.exepid process 648 WerFault.exe 648 WerFault.exe 648 WerFault.exe 648 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 648 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
WerFault.exedescription pid process Token: SeDebugPrivilege 648 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1588 wrote to memory of 604 1588 rundll32.exe rundll32.exe PID 1588 wrote to memory of 604 1588 rundll32.exe rundll32.exe PID 1588 wrote to memory of 604 1588 rundll32.exe rundll32.exe PID 1588 wrote to memory of 604 1588 rundll32.exe rundll32.exe PID 1588 wrote to memory of 604 1588 rundll32.exe rundll32.exe PID 1588 wrote to memory of 604 1588 rundll32.exe rundll32.exe PID 1588 wrote to memory of 604 1588 rundll32.exe rundll32.exe PID 604 wrote to memory of 648 604 rundll32.exe WerFault.exe PID 604 wrote to memory of 648 604 rundll32.exe WerFault.exe PID 604 wrote to memory of 648 604 rundll32.exe WerFault.exe PID 604 wrote to memory of 648 604 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\e4db910a4147ac44bef76f71e6b0d6bd193b89a6268dda35f3b1c210cc111fe4.exe.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\e4db910a4147ac44bef76f71e6b0d6bd193b89a6268dda35f3b1c210cc111fe4.exe.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 604 -s 3243⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/604-54-0x0000000000000000-mapping.dmp
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memory/604-55-0x0000000075191000-0x0000000075193000-memory.dmpFilesize
8KB
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memory/604-56-0x0000000074400000-0x0000000074485000-memory.dmpFilesize
532KB
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memory/604-59-0x00000000001B0000-0x00000000001B6000-memory.dmpFilesize
24KB
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memory/648-58-0x0000000000000000-mapping.dmp
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memory/648-60-0x0000000000240000-0x00000000002A0000-memory.dmpFilesize
384KB