Analysis
-
max time kernel
91s -
max time network
92s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
04-03-2021 08:19
Static task
static1
Behavioral task
behavioral1
Sample
5e05c4e375a9d930b9b6cb5d1a00d4e032ef1fae7573dbd4bb4a798b351e3b02.dll
Resource
win7v20201028
0 signatures
0 seconds
General
-
Target
5e05c4e375a9d930b9b6cb5d1a00d4e032ef1fae7573dbd4bb4a798b351e3b02.dll
-
Size
196KB
-
MD5
f033bcd9080caa7841c8949f1cae59c1
-
SHA1
e521741442ec2513203a1f1744484d36ac0888f8
-
SHA256
5e05c4e375a9d930b9b6cb5d1a00d4e032ef1fae7573dbd4bb4a798b351e3b02
-
SHA512
ccc3e0ac1ea2097030d9d70de8719391e4ebfd9e8902898a41a12f0cbf2a1c35f55204c6ca5b521ae2615644d6abfc4e50bc282241c4afff4870383f9fc790e9
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
-
Processes:
resource yara_rule behavioral1/memory/896-4-0x00000000747C0000-0x00000000747F3000-memory.dmp dridex_ldr behavioral1/memory/896-6-0x00000000747C0000-0x00000000747DF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 5 896 rundll32.exe 8 896 rundll32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
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 1968 wrote to memory of 896 1968 rundll32.exe rundll32.exe PID 1968 wrote to memory of 896 1968 rundll32.exe rundll32.exe PID 1968 wrote to memory of 896 1968 rundll32.exe rundll32.exe PID 1968 wrote to memory of 896 1968 rundll32.exe rundll32.exe PID 1968 wrote to memory of 896 1968 rundll32.exe rundll32.exe PID 1968 wrote to memory of 896 1968 rundll32.exe rundll32.exe PID 1968 wrote to memory of 896 1968 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5e05c4e375a9d930b9b6cb5d1a00d4e032ef1fae7573dbd4bb4a798b351e3b02.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\5e05c4e375a9d930b9b6cb5d1a00d4e032ef1fae7573dbd4bb4a798b351e3b02.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
-
memory/532-7-0x000007FEF5E90000-0x000007FEF610A000-memory.dmpFilesize
2.5MB
-
memory/896-2-0x0000000000000000-mapping.dmp
-
memory/896-3-0x0000000075ED1000-0x0000000075ED3000-memory.dmpFilesize
8KB
-
memory/896-5-0x0000000000210000-0x0000000000216000-memory.dmpFilesize
24KB
-
memory/896-4-0x00000000747C0000-0x00000000747F3000-memory.dmpFilesize
204KB
-
memory/896-6-0x00000000747C0000-0x00000000747DF000-memory.dmpFilesize
124KB