Analysis
-
max time kernel
25s -
max time network
130s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
12-03-2021 05:54
Static task
static1
Behavioral task
behavioral1
Sample
mon117_cr.dll
Resource
win7v20201028
Behavioral task
behavioral2
Sample
mon117_cr.dll
Resource
win10v20201028
Behavioral task
behavioral3
Sample
mon122.dll
Resource
win7v20201028
General
-
Target
mon122.dll
-
Size
768KB
-
MD5
d97e4caabf31d478bc931a0a1a47e08c
-
SHA1
85cca6fc2fdfab66c47188efc007d0b651c1536d
-
SHA256
2eaa196b5f4f0d20b23dd82f001f369e05de803834a11cfe93dd7b795d9e6cd2
-
SHA512
3add165b47af5bdb65547b2913525049df9d23c62448eccc83824150cc42f72a593d88f533bf1b8268321f2c688453422b2d659af9b9234ab8c1188ff6b9842f
Malware Config
Extracted
trickbot
100013
mon122
103.225.138.94:449
122.2.28.70:449
123.200.26.246:449
131.255.106.152:449
142.112.79.223:449
154.126.176.30:449
180.92.238.186:449
187.20.217.129:449
201.20.118.122:449
202.91.41.138:449
95.210.118.90:449
-
autorunName:pwgrab
Signatures
-
Templ.dll packer 3 IoCs
Detects Templ.dll packer which usually loads Trickbot.
Processes:
resource yara_rule behavioral4/memory/1244-3-0x00000000046D0000-0x0000000004709000-memory.dmp templ_dll behavioral4/memory/1244-4-0x0000000004710000-0x0000000004747000-memory.dmp templ_dll behavioral4/memory/1244-5-0x0000000004670000-0x00000000046A6000-memory.dmp templ_dll -
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 17 ipinfo.io -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 904 wermgr.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 692 wrote to memory of 1244 692 rundll32.exe rundll32.exe PID 692 wrote to memory of 1244 692 rundll32.exe rundll32.exe PID 692 wrote to memory of 1244 692 rundll32.exe rundll32.exe PID 1244 wrote to memory of 848 1244 rundll32.exe cmd.exe PID 1244 wrote to memory of 848 1244 rundll32.exe cmd.exe PID 1244 wrote to memory of 848 1244 rundll32.exe cmd.exe PID 1244 wrote to memory of 904 1244 rundll32.exe wermgr.exe PID 1244 wrote to memory of 904 1244 rundll32.exe wermgr.exe PID 1244 wrote to memory of 904 1244 rundll32.exe wermgr.exe PID 1244 wrote to memory of 904 1244 rundll32.exe wermgr.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon122.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon122.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/904-6-0x0000000000000000-mapping.dmp
-
memory/904-11-0x000001F5C9920000-0x000001F5C9948000-memory.dmpFilesize
160KB
-
memory/904-12-0x000001F5C9960000-0x000001F5C9961000-memory.dmpFilesize
4KB
-
memory/1244-2-0x0000000000000000-mapping.dmp
-
memory/1244-3-0x00000000046D0000-0x0000000004709000-memory.dmpFilesize
228KB
-
memory/1244-4-0x0000000004710000-0x0000000004747000-memory.dmpFilesize
220KB
-
memory/1244-5-0x0000000004670000-0x00000000046A6000-memory.dmpFilesize
216KB
-
memory/1244-7-0x0000000010000000-0x0000000010037000-memory.dmpFilesize
220KB
-
memory/1244-9-0x00000000049D0000-0x00000000049D1000-memory.dmpFilesize
4KB
-
memory/1244-10-0x0000000004751000-0x0000000004753000-memory.dmpFilesize
8KB
-
memory/1244-8-0x0000000004940000-0x0000000004983000-memory.dmpFilesize
268KB