Analysis
-
max time kernel
170s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 10:29
Static task
static1
Behavioral task
behavioral1
Sample
0041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7.dll
Resource
win7-20220901-en
General
-
Target
0041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7.dll
-
Size
252KB
-
MD5
4499a07c65463afe5387d59917e4cbb1
-
SHA1
df26b148867821c4b6eb3cce65c65832db90cfca
-
SHA256
0041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7
-
SHA512
82a142ccffbe930fdf6f27e375821c4003af587c2bf0b2c6a5970bb95b43536e723f9e8af0632de5bb83409ed814122da1809e84cc655878e025f5596036f6b8
-
SSDEEP
3072:PtgItJoMl9eJ02kGuBDhk3VsbwVBQdP6ZkiaoZa74jZUUzdDIm6O80MTcdfokHJL:OHK9eSBFA+bwVB35tMTc5ocEFWTBHz
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 7 IoCs
Processes:
rundll32.exeflow pid process 21 916 rundll32.exe 29 916 rundll32.exe 38 916 rundll32.exe 46 916 rundll32.exe 52 916 rundll32.exe 59 916 rundll32.exe 63 916 rundll32.exe -
Loads dropped DLL 2 IoCs
Processes:
rundll32.exerundll32.exepid process 2768 rundll32.exe 916 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\Jenkfqhqoxznwkbg\upwsyolgcrwz.zwp 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 916 rundll32.exe 916 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
rundll32.exepid process 4752 rundll32.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
rundll32.exerundll32.exerundll32.exerundll32.exedescription pid process target process PID 4876 wrote to memory of 4832 4876 rundll32.exe rundll32.exe PID 4876 wrote to memory of 4832 4876 rundll32.exe rundll32.exe PID 4876 wrote to memory of 4832 4876 rundll32.exe rundll32.exe PID 4832 wrote to memory of 4752 4832 rundll32.exe rundll32.exe PID 4832 wrote to memory of 4752 4832 rundll32.exe rundll32.exe PID 4832 wrote to memory of 4752 4832 rundll32.exe rundll32.exe PID 4752 wrote to memory of 2768 4752 rundll32.exe rundll32.exe PID 4752 wrote to memory of 2768 4752 rundll32.exe rundll32.exe PID 4752 wrote to memory of 2768 4752 rundll32.exe rundll32.exe PID 2768 wrote to memory of 916 2768 rundll32.exe rundll32.exe PID 2768 wrote to memory of 916 2768 rundll32.exe rundll32.exe PID 2768 wrote to memory of 916 2768 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\0041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7.dll,#12⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\AppData\Local\Temp\0041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7.dll",Control_RunDLL3⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Jenkfqhqoxznwkbg\upwsyolgcrwz.zwp",snvCPGwxjxCy4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Jenkfqhqoxznwkbg\upwsyolgcrwz.zwp",Control_RunDLL5⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Windows\SysWOW64\Jenkfqhqoxznwkbg\upwsyolgcrwz.zwpFilesize
252KB
MD54499a07c65463afe5387d59917e4cbb1
SHA1df26b148867821c4b6eb3cce65c65832db90cfca
SHA2560041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7
SHA51282a142ccffbe930fdf6f27e375821c4003af587c2bf0b2c6a5970bb95b43536e723f9e8af0632de5bb83409ed814122da1809e84cc655878e025f5596036f6b8
-
C:\Windows\SysWOW64\Jenkfqhqoxznwkbg\upwsyolgcrwz.zwpFilesize
252KB
MD54499a07c65463afe5387d59917e4cbb1
SHA1df26b148867821c4b6eb3cce65c65832db90cfca
SHA2560041d82cc2a5bb2f447f9c40989292675232cb8404bbfa751c9b961e2f6149c7
SHA51282a142ccffbe930fdf6f27e375821c4003af587c2bf0b2c6a5970bb95b43536e723f9e8af0632de5bb83409ed814122da1809e84cc655878e025f5596036f6b8
-
memory/916-140-0x0000000000000000-mapping.dmp
-
memory/916-142-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB
-
memory/916-143-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB
-
memory/2768-137-0x0000000000000000-mapping.dmp
-
memory/4752-134-0x0000000000000000-mapping.dmp
-
memory/4752-136-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB
-
memory/4752-138-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB
-
memory/4832-132-0x0000000000000000-mapping.dmp
-
memory/4832-133-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB
-
memory/4832-135-0x0000000010000000-0x0000000010028000-memory.dmpFilesize
160KB