Analysis
-
max time kernel
107s -
max time network
108s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
20-04-2021 09:16
Static task
static1
General
-
Target
eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll
-
Size
1.1MB
-
MD5
e6b7ec0dd1cd7b8f7c08ec2d4d369d8d
-
SHA1
6da00a5ce8acc27e9fef642c932153dc8f152f6b
-
SHA256
eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8
-
SHA512
4a44fb582fff394d0bc6039aa392fa7164d47f8e2720f3214f4258c048715fe7ef64b0d9f35eb9ca1e8e29ab4698d0a1b1ab621dcd96cf6d00830a93a80ae623
Malware Config
Extracted
Family
dridex
Botnet
10444
C2
146.185.170.249:443
62.75.251.60:6601
185.148.168.25:2303
rc4.plain
rc4.plain
Signatures
-
Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
Processes:
WerFault.exedescription pid process target process PID 2972 created 1412 2972 WerFault.exe rundll32.exe -
Processes:
resource yara_rule behavioral1/memory/1412-116-0x0000000074200000-0x0000000074328000-memory.dmp dridex_ldr behavioral1/memory/1412-115-0x0000000074200000-0x000000007423D000-memory.dmp dridex_ldr -
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 -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2972 1412 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
WerFault.exepid process 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe 2972 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
WerFault.exedescription pid process Token: SeRestorePrivilege 2972 WerFault.exe Token: SeBackupPrivilege 2972 WerFault.exe Token: SeDebugPrivilege 2972 WerFault.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 620 wrote to memory of 1412 620 rundll32.exe rundll32.exe PID 620 wrote to memory of 1412 620 rundll32.exe rundll32.exe PID 620 wrote to memory of 1412 620 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\eae537de7f5de3a3f3eb0b5021c78cc2e951186bf8411d045eab1ac9c6cc62f8.dll,#12⤵
- Checks whether UAC is enabled
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1412 -s 8483⤵
- Suspicious use of NtCreateProcessExOtherParentProcess
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1412-114-0x0000000000000000-mapping.dmp
-
memory/1412-116-0x0000000074200000-0x0000000074328000-memory.dmpFilesize
1.2MB
-
memory/1412-115-0x0000000074200000-0x000000007423D000-memory.dmpFilesize
244KB
-
memory/1412-118-0x0000000003200000-0x0000000003201000-memory.dmpFilesize
4KB
-
memory/1412-119-0x0000000002FF0000-0x0000000002FF1000-memory.dmpFilesize
4KB