Analysis
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max time kernel
68s -
max time network
125s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
11-11-2020 11:05
Static task
static1
Behavioral task
behavioral1
Sample
59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9.dll
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Size
1.2MB
-
MD5
ff65be4cf611293ec463d7902335d2e5
-
SHA1
a6c0295c1146db9ec0e5f206687891eeff94a4a8
-
SHA256
59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9
-
SHA512
e69927547ca0326938a948c4215512100aeccd6d53c35906c4f8f4837063c23fde5896d2908715ea94d3ed0c7023984f57785db63ec55672077300c4cf706602
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
94.126.8.2:443
37.187.161.206:33443
209.59.199.129:4443
157.245.130.146:3786
rc4.plain
rc4.plain
Signatures
-
Processes:
resource yara_rule behavioral1/memory/1636-1-0x0000000074CD0000-0x0000000074D0D000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 4 1636 rundll32.exe 7 1636 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 2028 wrote to memory of 1636 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1636 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1636 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1636 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1636 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1636 2028 rundll32.exe rundll32.exe PID 2028 wrote to memory of 1636 2028 rundll32.exe rundll32.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\59601800fce93816880a6e2f325b8376d8fb2769fdb8fb57b146a366c9ed3cc9.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled