Analysis
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max time kernel
147s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
04-03-2021 13:21
Static task
static1
Behavioral task
behavioral1
Sample
5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e.dll
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Size
196KB
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MD5
355b6a54bc488d9423a0b3423447c5e5
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SHA1
ae84f2f32f02e204d1498946e530a2575bafd284
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SHA256
5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e
-
SHA512
5f6c9e58d6155ab1718ac726e1aef77ff6efe8e95d20806f5e138a60a86d20368b485966dc240d38ad72f3ff00d7fd1814dd5efdd6954537604ccc42c426b84b
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/4700-3-0x0000000075A50000-0x0000000075A83000-memory.dmp dridex_ldr behavioral2/memory/4700-5-0x0000000075A50000-0x0000000075A6F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 3 IoCs
Processes:
rundll32.exeflow pid process 20 4700 rundll32.exe 22 4700 rundll32.exe 24 4700 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 4684 wrote to memory of 4700 4684 rundll32.exe rundll32.exe PID 4684 wrote to memory of 4700 4684 rundll32.exe rundll32.exe PID 4684 wrote to memory of 4700 4684 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5f80d551692be4edfe112eb799f0ca2d5397f790ddeeb13f0c37b9859bd6510e.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/4700-2-0x0000000000000000-mapping.dmp
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memory/4700-3-0x0000000075A50000-0x0000000075A83000-memory.dmpFilesize
204KB
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memory/4700-4-0x0000000000AF0000-0x0000000000AF6000-memory.dmpFilesize
24KB
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memory/4700-5-0x0000000075A50000-0x0000000075A6F000-memory.dmpFilesize
124KB