Analysis
-
max time kernel
121s -
max time network
129s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
16-11-2021 22:34
Static task
static1
General
-
Target
ec331a35fc079a16bd408e85ea771b6116fafbbd11332e46497fa97611552ff6.dll
-
Size
252KB
-
MD5
c0f083d357b5ef6e7ffffdcd429ffeae
-
SHA1
4feb1c224556eee7c2a11711a904ce965c84cf36
-
SHA256
ec331a35fc079a16bd408e85ea771b6116fafbbd11332e46497fa97611552ff6
-
SHA512
030eca992e94255310633399e77e93421a791a8f71ad879977ce368ff98230c9add39f4535100d8c5bcb2d3d512c6239cf21fc83b228d7daef70d4e5dae4c963
Malware Config
Extracted
emotet
Epoch4
81.0.236.93:443
94.177.248.64:443
66.42.55.5:7080
103.8.26.103:8080
185.184.25.237:8080
45.76.176.10:8080
188.93.125.116:8080
103.8.26.102:8080
178.79.147.66:8080
58.227.42.236:80
45.118.135.203:7080
103.75.201.2:443
195.154.133.20:443
45.142.114.231:8080
212.237.5.209:443
207.38.84.195:8080
104.251.214.46:8080
138.185.72.26:8080
51.68.175.8:8080
210.57.217.132:8080
Signatures
-
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exeflow pid process 16 1440 rundll32.exe 27 1440 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Nnmgnzwqldvi\fgeqxvkqnykkn.rob rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
rundll32.exepid process 1440 rundll32.exe 1440 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 892 rundll32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 412 wrote to memory of 3380 412 rundll32.exe rundll32.exe PID 412 wrote to memory of 3380 412 rundll32.exe rundll32.exe PID 412 wrote to memory of 3380 412 rundll32.exe rundll32.exe PID 3380 wrote to memory of 892 3380 rundll32.exe rundll32.exe PID 3380 wrote to memory of 892 3380 rundll32.exe rundll32.exe PID 3380 wrote to memory of 892 3380 rundll32.exe rundll32.exe PID 892 wrote to memory of 1548 892 rundll32.exe rundll32.exe PID 892 wrote to memory of 1548 892 rundll32.exe rundll32.exe PID 892 wrote to memory of 1548 892 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1440 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1440 1548 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1440 1548 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ec331a35fc079a16bd408e85ea771b6116fafbbd11332e46497fa97611552ff6.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:412 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\ec331a35fc079a16bd408e85ea771b6116fafbbd11332e46497fa97611552ff6.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3380 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\ec331a35fc079a16bd408e85ea771b6116fafbbd11332e46497fa97611552ff6.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:892 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Nnmgnzwqldvi\fgeqxvkqnykkn.rob",RXcdke4⤵
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Nnmgnzwqldvi\fgeqxvkqnykkn.rob",Control_RunDLL5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1440
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/892-116-0x0000000000000000-mapping.dmp
-
memory/1440-119-0x0000000000000000-mapping.dmp
-
memory/1548-118-0x0000000000000000-mapping.dmp
-
memory/3380-115-0x0000000000000000-mapping.dmp
-
memory/3380-117-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB