Analysis
- max time kernel
61s - max time network
139s - platform
windows10_x64 - resource
win10v20201028 - submitted
24/02/2021, 15:04
Static task
static1
Behavioral task
behavioral1
Sample
26ce9d4e46fa16837bb1b225e09cb3f1f892d7c2e59a58662fc055e4c3ce34a4.dll
Resource
win7v20201028
0 signatures
0 seconds
General
- Target 26ce9d4e46fa16837bb1b225e09cb3f1f892d7c2e59a58662fc055e4c3ce34a4.dll
- Size 188KB
- Sample210224-1rvd1dtxyn
- SHA256 26ce9d4e46fa16837bb1b225e09cb3f1f892d7c2e59a58662fc055e4c3ce34a4
- MD5 e307f0452dc4b72f718ca40496d2d7fb
- SHA1 7bf8121526462386e5c33912387075c2d86a665c
- SHA512 49716f8b418ac829b700a6e1d54cafddae11ac04b9521593951a1ee522cbd2eb475be607dc9f14ddd30a7ae1b199cc007f586f8f04af3d8f9ab8f591a10d8618
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
-
dridex
Botnet
-
111
C2
-
209.151.236.42:443
-
91.121.94.86:8172
-
5.189.144.136:6516
rc4.plain
rc4.plain
Signatures
-
resource yara_rule behavioral2/memory/4736-3-0x0000000075A50000-0x0000000075A81000-memory.dmp dridex_ldr behavioral2/memory/4736-5-0x0000000075A50000-0x0000000075A6F000-memory.dmp dridex_ldr - Blocklisted process makes network request 2 IoCs
flow pid Process 21 4736 rundll32.exe 23 4736 rundll32.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4688 wrote to memory of 4736 4688 rundll32.exe 33 PID 4688 wrote to memory of 4736 4688 rundll32.exe 33 PID 4688 wrote to memory of 4736 4688 rundll32.exe 33
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\26ce9d4e46fa16837bb1b225e09cb3f1f892d7c2e59a58662fc055e4c3ce34a4.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4688 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\26ce9d4e46fa16837bb1b225e09cb3f1f892d7c2e59a58662fc055e4c3ce34a4.dll,#12⤵
- Blocklisted process makes network request
- Checks whether UAC is enabled
PID:4736
-