Analysis
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max time kernel
29s -
max time network
121s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
05-03-2021 02:09
Static task
static1
Behavioral task
behavioral1
Sample
2d662a20b7b4d8b936667af61a8ce94e0f5c57fd8e770ec08e631fdaa9140052.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
2d662a20b7b4d8b936667af61a8ce94e0f5c57fd8e770ec08e631fdaa9140052.dll
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Size
196KB
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MD5
718a87b6a448af03e07d25490287e883
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SHA1
c017537f8ef62dec110a8696a6ecb7188f37283f
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SHA256
2d662a20b7b4d8b936667af61a8ce94e0f5c57fd8e770ec08e631fdaa9140052
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SHA512
828ff14cf8ca8109e66efe57633e94483213854362026d4be4419a18e6f678d7d82f268a2b77bc25b7162e64134e56a3ec363b11601c775c80b67970a6346168
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/1236-3-0x0000000073CA0000-0x0000000073CD3000-memory.dmp dridex_ldr behavioral2/memory/1236-5-0x0000000073CA0000-0x0000000073CBF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 17 1236 rundll32.exe 19 1236 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 1628 wrote to memory of 1236 1628 rundll32.exe rundll32.exe PID 1628 wrote to memory of 1236 1628 rundll32.exe rundll32.exe PID 1628 wrote to memory of 1236 1628 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2d662a20b7b4d8b936667af61a8ce94e0f5c57fd8e770ec08e631fdaa9140052.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\2d662a20b7b4d8b936667af61a8ce94e0f5c57fd8e770ec08e631fdaa9140052.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/1236-2-0x0000000000000000-mapping.dmp
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memory/1236-3-0x0000000073CA0000-0x0000000073CD3000-memory.dmpFilesize
204KB
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memory/1236-4-0x00000000005D0000-0x00000000005D6000-memory.dmpFilesize
24KB
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memory/1236-5-0x0000000073CA0000-0x0000000073CBF000-memory.dmpFilesize
124KB