Analysis
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max time kernel
112s -
max time network
140s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
04-05-2021 14:59
Static task
static1
Behavioral task
behavioral1
Sample
c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll
Resource
win7v20210408
General
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Target
c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll
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Size
433KB
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MD5
eb70b6c24c0466954169882dbe5729a4
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SHA1
b81bcd8273854efb7d7b3fb5b982d75051a5d9a6
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SHA256
c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240
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SHA512
e90c5c958024734f089205e43f2c9a842e4fc68b8a7fcc7fc10754511a8b6bb724eab563bdd5141f9a1be634a3194f5b3abd14f97cdd0735c42f501d8f63e59f
Malware Config
Extracted
trickbot
2000029
net9
103.66.72.217:443
117.252.68.211:443
103.124.173.35:443
115.73.211.230:443
117.54.250.246:443
131.0.112.122:443
102.176.221.78:443
181.176.161.143:443
154.79.251.172:443
103.111.199.76:443
103.54.41.193:443
154.79.244.182:443
154.79.245.158:443
139.255.116.42:443
178.254.161.250:443
178.134.47.166:443
158.181.179.229:443
103.90.197.33:443
109.207.165.40:443
178.72.192.20:443
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autorunName:pwgrabbName:pwgrabc
Signatures
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Templ.dll packer 1 IoCs
Detects Templ.dll packer which usually loads Trickbot.
Processes:
resource yara_rule behavioral1/memory/1720-62-0x0000000001EF0000-0x0000000002116000-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 10 ipecho.net -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1028 1720 WerFault.exe rundll32.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
WerFault.exepid process 1028 WerFault.exe 1028 WerFault.exe 1028 WerFault.exe 1028 WerFault.exe 1028 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 1028 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
WerFault.exewermgr.exedescription pid process Token: SeDebugPrivilege 1028 WerFault.exe Token: SeDebugPrivilege 2040 wermgr.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1632 wrote to memory of 1720 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1720 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1720 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1720 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1720 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1720 1632 rundll32.exe rundll32.exe PID 1632 wrote to memory of 1720 1632 rundll32.exe rundll32.exe PID 1720 wrote to memory of 2040 1720 rundll32.exe wermgr.exe PID 1720 wrote to memory of 2040 1720 rundll32.exe wermgr.exe PID 1720 wrote to memory of 2040 1720 rundll32.exe wermgr.exe PID 1720 wrote to memory of 2040 1720 rundll32.exe wermgr.exe PID 1720 wrote to memory of 2040 1720 rundll32.exe wermgr.exe PID 1720 wrote to memory of 2040 1720 rundll32.exe wermgr.exe PID 1720 wrote to memory of 1028 1720 rundll32.exe WerFault.exe PID 1720 wrote to memory of 1028 1720 rundll32.exe WerFault.exe PID 1720 wrote to memory of 1028 1720 rundll32.exe WerFault.exe PID 1720 wrote to memory of 1028 1720 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c6f319a3eda16bef437421920e2945ab4b3101cb27ad2f291c3dacdf84bb2240.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1720 -s 2323⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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memory/1028-64-0x0000000000000000-mapping.dmp
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memory/1028-70-0x0000000000400000-0x0000000000401000-memory.dmpFilesize
4KB
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memory/1720-60-0x0000000000000000-mapping.dmp
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memory/1720-61-0x0000000075551000-0x0000000075553000-memory.dmpFilesize
8KB
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memory/1720-62-0x0000000001EF0000-0x0000000002116000-memory.dmpFilesize
2.1MB
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memory/1720-67-0x0000000010001000-0x0000000010003000-memory.dmpFilesize
8KB
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memory/1720-66-0x00000000001C0000-0x00000000001D1000-memory.dmpFilesize
68KB
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memory/1720-65-0x0000000000420000-0x0000000000463000-memory.dmpFilesize
268KB
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memory/2040-63-0x0000000000000000-mapping.dmp
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memory/2040-68-0x0000000000060000-0x0000000000088000-memory.dmpFilesize
160KB
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memory/2040-69-0x0000000000110000-0x0000000000111000-memory.dmpFilesize
4KB