Analysis
-
max time kernel
65s -
max time network
132s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
26-07-2021 20:08
Static task
static1
Behavioral task
behavioral1
Sample
porto.pdf.dll
Resource
win7v20210410
General
-
Target
porto.pdf.dll
-
Size
617KB
-
MD5
8dd7c961c9cdbd69e9a5d86d7809fc50
-
SHA1
f9765d2e54784151519b6d755118edd01e55c51d
-
SHA256
6e057855e21f4c93a4e3825b9711ca07ccec94fed55dbc20e1d3316b2b3dc549
-
SHA512
9cf38f34bf574839f7404918f4fc8503bfd0a52d22e505972ebabc098e4854b661e42bb0f391bb293735494739f74d565b9256a35079c8dfb11fba3dfdcd6cfa
Malware Config
Extracted
trickbot
100018
rob112
38.110.103.124:443
185.56.76.28:443
204.138.26.60:443
60.51.47.65:443
74.85.157.139:443
68.69.26.182:443
38.110.103.136:443
38.110.103.18:443
138.34.28.219:443
185.56.76.94:443
217.115.240.248:443
24.162.214.166:443
80.15.2.105:443
154.58.23.192:443
38.110.100.104:443
45.36.99.184:443
185.56.76.108:443
185.56.76.72:443
138.34.28.35:443
97.83.40.67:443
38.110.103.113:443
38.110.100.142:443
184.74.99.214:443
103.105.254.17:443
62.99.76.213:443
82.159.149.52:443
38.110.100.33:443
38.110.100.242:443
185.13.79.3:443
-
autorunName:pwgrabbName:pwgrabc
Signatures
-
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 10 wtfismyip.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 1752 wermgr.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 452 wrote to memory of 2000 452 rundll32.exe rundll32.exe PID 452 wrote to memory of 2000 452 rundll32.exe rundll32.exe PID 452 wrote to memory of 2000 452 rundll32.exe rundll32.exe PID 452 wrote to memory of 2000 452 rundll32.exe rundll32.exe PID 452 wrote to memory of 2000 452 rundll32.exe rundll32.exe PID 452 wrote to memory of 2000 452 rundll32.exe rundll32.exe PID 452 wrote to memory of 2000 452 rundll32.exe rundll32.exe PID 2000 wrote to memory of 1844 2000 rundll32.exe cmd.exe PID 2000 wrote to memory of 1844 2000 rundll32.exe cmd.exe PID 2000 wrote to memory of 1844 2000 rundll32.exe cmd.exe PID 2000 wrote to memory of 1844 2000 rundll32.exe cmd.exe PID 2000 wrote to memory of 1752 2000 rundll32.exe wermgr.exe PID 2000 wrote to memory of 1752 2000 rundll32.exe wermgr.exe PID 2000 wrote to memory of 1752 2000 rundll32.exe wermgr.exe PID 2000 wrote to memory of 1752 2000 rundll32.exe wermgr.exe PID 2000 wrote to memory of 1752 2000 rundll32.exe wermgr.exe PID 2000 wrote to memory of 1752 2000 rundll32.exe wermgr.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\porto.pdf.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\porto.pdf.dll,#12⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵
-
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/1752-73-0x0000000000000000-mapping.dmp
-
memory/1752-75-0x0000000000110000-0x0000000000111000-memory.dmpFilesize
4KB
-
memory/1752-74-0x0000000000060000-0x0000000000088000-memory.dmpFilesize
160KB
-
memory/2000-60-0x0000000000000000-mapping.dmp
-
memory/2000-61-0x00000000753E1000-0x00000000753E3000-memory.dmpFilesize
8KB
-
memory/2000-62-0x0000000000750000-0x000000000078B000-memory.dmpFilesize
236KB
-
memory/2000-65-0x00000000007A0000-0x00000000007D9000-memory.dmpFilesize
228KB
-
memory/2000-67-0x0000000000950000-0x0000000000987000-memory.dmpFilesize
220KB
-
memory/2000-70-0x0000000000A90000-0x0000000000AD4000-memory.dmpFilesize
272KB
-
memory/2000-69-0x0000000000710000-0x0000000000748000-memory.dmpFilesize
224KB
-
memory/2000-71-0x0000000000820000-0x0000000000831000-memory.dmpFilesize
68KB
-
memory/2000-72-0x0000000000801000-0x0000000000803000-memory.dmpFilesize
8KB