Analysis
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max time kernel
100s -
max time network
101s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
16-12-2020 07:55
Static task
static1
Behavioral task
behavioral1
Sample
diego.png.dll
Resource
win7v20201028
General
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Target
diego.png.dll
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Size
340KB
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MD5
d8a449d9a8aa11d58db91e3dc2387595
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SHA1
0abb906db9988e2ff2621e68955b0e4470094a93
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SHA256
da1ae69acf1b97bfac587addc9266155342bf8f2a7a80e0d09df9a577c39f7f9
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SHA512
34bd9fc8d754bb4ec69c6f50194cf6e853b56ceff54bc36a85769e2b4271fda569d73a0aed2d9ecfb576cdba2829e70bc773882a2894ea6363302aa856be9aca
Malware Config
Extracted
trickbot
100007
rob23
41.243.29.182:449
196.45.140.146:449
103.87.25.220:443
103.98.129.222:449
103.87.25.220:449
103.65.196.44:449
103.65.195.95:449
103.61.101.11:449
103.61.100.131:449
103.150.68.124:449
103.137.81.206:449
103.126.185.7:449
103.112.145.58:449
103.110.53.174:449
102.164.208.48:449
102.164.208.44:449
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autorunName:pwgrab
Signatures
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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 myexternalip.com -
Drops file in Windows directory 1 IoCs
Processes:
regsvr32.exedescription ioc process File opened for modification C:\Windows\cmd.exe regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 1792 wermgr.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
regsvr32.exeregsvr32.exedescription pid process target process PID 1204 wrote to memory of 2032 1204 regsvr32.exe regsvr32.exe PID 1204 wrote to memory of 2032 1204 regsvr32.exe regsvr32.exe PID 1204 wrote to memory of 2032 1204 regsvr32.exe regsvr32.exe PID 1204 wrote to memory of 2032 1204 regsvr32.exe regsvr32.exe PID 1204 wrote to memory of 2032 1204 regsvr32.exe regsvr32.exe PID 1204 wrote to memory of 2032 1204 regsvr32.exe regsvr32.exe PID 1204 wrote to memory of 2032 1204 regsvr32.exe regsvr32.exe PID 2032 wrote to memory of 1792 2032 regsvr32.exe wermgr.exe PID 2032 wrote to memory of 1792 2032 regsvr32.exe wermgr.exe PID 2032 wrote to memory of 1792 2032 regsvr32.exe wermgr.exe PID 2032 wrote to memory of 1792 2032 regsvr32.exe wermgr.exe PID 2032 wrote to memory of 1792 2032 regsvr32.exe wermgr.exe PID 2032 wrote to memory of 1792 2032 regsvr32.exe wermgr.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\diego.png.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\diego.png.dll2⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2032 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1792
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