Analysis
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max time kernel
22s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
04-03-2021 07:53
Static task
static1
Behavioral task
behavioral1
Sample
2bb45dd8c9f7f648266a608649033f4c.dll
Resource
win7v20201028
0 signatures
0 seconds
General
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Target
2bb45dd8c9f7f648266a608649033f4c.dll
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Size
196KB
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MD5
2bb45dd8c9f7f648266a608649033f4c
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SHA1
4b734ef266d0f2049d0408ec6548b08a3f922cc7
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SHA256
f4f3228f55ed310da0960219d5b2b497c5c76ec1fe5059160136791649158917
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SHA512
97b8262d9dbbecdfad08f9273f2cac75efb3c5cb0a930473f4bc55d7c595f24007ea1940ebf4c509c315f35c2178759ebc8eff56acd65b4ef7465918290cffb7
Malware Config
Extracted
Family
dridex
Botnet
111
C2
37.247.35.132:443
50.243.30.51:6601
162.241.204.234:6516
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral2/memory/4060-3-0x0000000074100000-0x0000000074133000-memory.dmp dridex_ldr behavioral2/memory/4060-5-0x0000000074100000-0x000000007411F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 15 4060 rundll32.exe 17 4060 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4004 wrote to memory of 4060 4004 rundll32.exe rundll32.exe PID 4004 wrote to memory of 4060 4004 rundll32.exe rundll32.exe PID 4004 wrote to memory of 4060 4004 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2bb45dd8c9f7f648266a608649033f4c.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2bb45dd8c9f7f648266a608649033f4c.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4060-2-0x0000000000000000-mapping.dmp
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memory/4060-3-0x0000000074100000-0x0000000074133000-memory.dmpFilesize
204KB
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memory/4060-4-0x0000000002F30000-0x0000000002F36000-memory.dmpFilesize
24KB
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memory/4060-5-0x0000000074100000-0x000000007411F000-memory.dmpFilesize
124KB