Analysis
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max time kernel
101s -
max time network
103s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03-04-2021 07:58
Static task
static1
Behavioral task
behavioral1
Sample
d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd.dll
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Size
196KB
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MD5
6a439e8aafc885710ef56067e006ff79
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SHA1
8e6f9c50791386b70fce6a03c9241dbeafd6db3d
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SHA256
d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd
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SHA512
13df46b568fa979e8daa297c3e41023bf66a1c585bcbeb17786b9ee176f3472fbcbfc5a77620bb19898b9bc34db771ecc3c3a33c77c9e218065584dea5bf76d4
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
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Processes:
resource yara_rule behavioral1/memory/1084-4-0x0000000074CC0000-0x0000000074CF3000-memory.dmp dridex_ldr behavioral1/memory/1084-6-0x0000000074CC0000-0x0000000074CDF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 7 1084 rundll32.exe 9 1084 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 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 744 wrote to memory of 1084 744 rundll32.exe rundll32.exe PID 744 wrote to memory of 1084 744 rundll32.exe rundll32.exe PID 744 wrote to memory of 1084 744 rundll32.exe rundll32.exe PID 744 wrote to memory of 1084 744 rundll32.exe rundll32.exe PID 744 wrote to memory of 1084 744 rundll32.exe rundll32.exe PID 744 wrote to memory of 1084 744 rundll32.exe rundll32.exe PID 744 wrote to memory of 1084 744 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d192779d41ca918887cbea471b32dcb4ef7ae58b43209f560a07db5ed1d7febd.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/1084-2-0x0000000000000000-mapping.dmp
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memory/1084-3-0x0000000075E51000-0x0000000075E53000-memory.dmpFilesize
8KB
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memory/1084-4-0x0000000074CC0000-0x0000000074CF3000-memory.dmpFilesize
204KB
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memory/1084-5-0x0000000000250000-0x0000000000256000-memory.dmpFilesize
24KB
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memory/1084-6-0x0000000074CC0000-0x0000000074CDF000-memory.dmpFilesize
124KB
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memory/1512-7-0x000007FEF7590000-0x000007FEF780A000-memory.dmpFilesize
2.5MB