Analysis
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max time kernel
21s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
04-03-2021 17:07
Static task
static1
Behavioral task
behavioral1
Sample
0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db.dll
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Size
196KB
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MD5
9c70441bf36878a3206b9d024bb7f9fb
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SHA1
033fe35e3ab0bd7f4d537c0558ebbe27712ce7f1
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SHA256
0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db
-
SHA512
de9d06bf2a0b8215145535fac5c4f0eddf24c1102f6ee3c0ff34d49b1a34c555108bd10603c5fbb2499c9c93e345fb1556b7e9cd987d8932806fbf7e6ddd70ca
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 behavioral2/memory/4788-3-0x00000000737C0000-0x00000000737F3000-memory.dmp dridex_ldr behavioral2/memory/4788-5-0x00000000737C0000-0x00000000737DF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 16 4788 rundll32.exe 18 4788 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 4776 wrote to memory of 4788 4776 rundll32.exe rundll32.exe PID 4776 wrote to memory of 4788 4776 rundll32.exe rundll32.exe PID 4776 wrote to memory of 4788 4776 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0565a0af257b3e3807d8016bab982136c067ba2f268671f91db63d4820f687db.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/4788-2-0x0000000000000000-mapping.dmp
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memory/4788-3-0x00000000737C0000-0x00000000737F3000-memory.dmpFilesize
204KB
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memory/4788-4-0x0000000002F60000-0x0000000002F66000-memory.dmpFilesize
24KB
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memory/4788-5-0x00000000737C0000-0x00000000737DF000-memory.dmpFilesize
124KB