Analysis
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max time kernel
26s -
max time network
83s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-03-2021 01:06
Static task
static1
Behavioral task
behavioral1
Sample
c46eb850f9920336b99f11049f6c3c018a08ccdb75d3fb5ee7c1ecc08fc779b4.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
c46eb850f9920336b99f11049f6c3c018a08ccdb75d3fb5ee7c1ecc08fc779b4.dll
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Size
196KB
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MD5
9757f74735004a2338226799a7fefe25
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SHA1
57b95c655bd8a3cba07fc10dfeaded2f2456d9b5
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SHA256
c46eb850f9920336b99f11049f6c3c018a08ccdb75d3fb5ee7c1ecc08fc779b4
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SHA512
d4a2c0ae2abcd41dd56959a7ffd2f62eb45f4ef725ee37d1d1a9d351fcd67c9ec20e4b2976591d657afabe9000e16991b916ede2cf3965e3d6aa09569163b6f6
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/2040-4-0x0000000074750000-0x0000000074783000-memory.dmp dridex_ldr behavioral1/memory/2040-6-0x0000000074750000-0x000000007476F000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 4 2040 rundll32.exe 7 2040 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 1832 wrote to memory of 2040 1832 rundll32.exe rundll32.exe PID 1832 wrote to memory of 2040 1832 rundll32.exe rundll32.exe PID 1832 wrote to memory of 2040 1832 rundll32.exe rundll32.exe PID 1832 wrote to memory of 2040 1832 rundll32.exe rundll32.exe PID 1832 wrote to memory of 2040 1832 rundll32.exe rundll32.exe PID 1832 wrote to memory of 2040 1832 rundll32.exe rundll32.exe PID 1832 wrote to memory of 2040 1832 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c46eb850f9920336b99f11049f6c3c018a08ccdb75d3fb5ee7c1ecc08fc779b4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c46eb850f9920336b99f11049f6c3c018a08ccdb75d3fb5ee7c1ecc08fc779b4.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:2040
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