Analysis
-
max time kernel
27s -
max time network
84s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
03-04-2021 17:14
Static task
static1
Behavioral task
behavioral1
Sample
d4759d6e9e394b9186056684b848191bd730515d1d17c2451232020b8f0b6190.dll
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
-
Target
d4759d6e9e394b9186056684b848191bd730515d1d17c2451232020b8f0b6190.dll
-
Size
196KB
-
MD5
e79903aec61196b787831801b83b8462
-
SHA1
c36845669d28c2fc4d0d5ab1ce45b5c946368db2
-
SHA256
d4759d6e9e394b9186056684b848191bd730515d1d17c2451232020b8f0b6190
-
SHA512
986250263d169e2fa46cda103eaecf3d26b562c1f8c366be6025efe3606ffd4759171e2e48108461f1f771c3585027a0ee6f1127147441d5397310e0f5fb305b
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/1372-4-0x00000000748E0000-0x0000000074913000-memory.dmp dridex_ldr behavioral1/memory/1372-6-0x00000000748E0000-0x00000000748FF000-memory.dmp dridex_ldr -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 4 1372 rundll32.exe 6 1372 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 1888 wrote to memory of 1372 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 1372 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 1372 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 1372 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 1372 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 1372 1888 rundll32.exe rundll32.exe PID 1888 wrote to memory of 1372 1888 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d4759d6e9e394b9186056684b848191bd730515d1d17c2451232020b8f0b6190.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d4759d6e9e394b9186056684b848191bd730515d1d17c2451232020b8f0b6190.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/292-7-0x000007FEF7430000-0x000007FEF76AA000-memory.dmpFilesize
2.5MB
-
memory/1372-2-0x0000000000000000-mapping.dmp
-
memory/1372-3-0x0000000075781000-0x0000000075783000-memory.dmpFilesize
8KB
-
memory/1372-4-0x00000000748E0000-0x0000000074913000-memory.dmpFilesize
204KB
-
memory/1372-5-0x00000000000C0000-0x00000000000C6000-memory.dmpFilesize
24KB
-
memory/1372-6-0x00000000748E0000-0x00000000748FF000-memory.dmpFilesize
124KB