Analysis
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max time kernel
145s -
max time network
178s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
21-07-2021 13:37
Static task
static1
Behavioral task
behavioral1
Sample
triage_dropped_file.dll
Resource
win7v20210410
General
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Target
triage_dropped_file.dll
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Size
596KB
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MD5
917e3c54104affcbe521e23e85517bb0
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SHA1
1bffd59bd2618f7ef810c02e9ddbc2011949e251
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SHA256
d06c5ec5cefe2c6b80bf532cae9c270f2e25f0f2c5e6b05cffa36fe8a17dac3c
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SHA512
40e769e1f1c9d2531485fa9ac0e55d8c7b04486f32884d636ea0f08c26f702232be8ba11d6299722a3117b7bb08344c63a3bb375f7ef74b030663ca3bd411a0e
Malware Config
Extracted
trickbot
100018
rob109
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
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autorunName:pwgrabbName:pwgrabc
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 21 wtfismyip.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 1976 wermgr.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1308 wrote to memory of 1548 1308 rundll32.exe rundll32.exe PID 1308 wrote to memory of 1548 1308 rundll32.exe rundll32.exe PID 1308 wrote to memory of 1548 1308 rundll32.exe rundll32.exe PID 1308 wrote to memory of 1548 1308 rundll32.exe rundll32.exe PID 1308 wrote to memory of 1548 1308 rundll32.exe rundll32.exe PID 1308 wrote to memory of 1548 1308 rundll32.exe rundll32.exe PID 1308 wrote to memory of 1548 1308 rundll32.exe rundll32.exe PID 1548 wrote to memory of 1332 1548 rundll32.exe cmd.exe PID 1548 wrote to memory of 1332 1548 rundll32.exe cmd.exe PID 1548 wrote to memory of 1332 1548 rundll32.exe cmd.exe PID 1548 wrote to memory of 1332 1548 rundll32.exe cmd.exe PID 1548 wrote to memory of 1976 1548 rundll32.exe wermgr.exe PID 1548 wrote to memory of 1976 1548 rundll32.exe wermgr.exe PID 1548 wrote to memory of 1976 1548 rundll32.exe wermgr.exe PID 1548 wrote to memory of 1976 1548 rundll32.exe wermgr.exe PID 1548 wrote to memory of 1976 1548 rundll32.exe wermgr.exe PID 1548 wrote to memory of 1976 1548 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1308 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1548 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:1332
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1976
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