Analysis
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max time kernel
101s -
max time network
103s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
21-12-2020 11:29
Static task
static1
Behavioral task
behavioral1
Sample
kpsiwn.exe
Resource
win7v20201028
General
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Target
kpsiwn.exe
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Size
341KB
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MD5
4103d97c7cad79f050901aace0d9fbe0
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SHA1
dead0bd2345e9769b5545f4ff628e5c59fb5ef9e
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SHA256
e410123bde6a317cadcaf1fa3502301b7aad6f528d59b6b60c97be077ef5da00
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SHA512
390513fba9908a4f84a2f49174d573f8c0c45d9aa17ed5fb0300fe4f1eb85873eda4ed221f82d36ed629a06d0b1edd3983c10a5904949eae7d237753ab77ec57
Malware Config
Extracted
trickbot
100007
mor1
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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 api.ipify.org 9 api.ipify.org -
Drops file in Windows directory 1 IoCs
Processes:
kpsiwn.exedescription ioc Process File opened for modification C:\Windows\explorer.exe kpsiwn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid Process Token: SeDebugPrivilege 1388 wermgr.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
kpsiwn.exedescription pid Process procid_target PID 1684 wrote to memory of 1388 1684 kpsiwn.exe 29 PID 1684 wrote to memory of 1388 1684 kpsiwn.exe 29 PID 1684 wrote to memory of 1388 1684 kpsiwn.exe 29 PID 1684 wrote to memory of 1388 1684 kpsiwn.exe 29 PID 1684 wrote to memory of 1388 1684 kpsiwn.exe 29 PID 1684 wrote to memory of 1388 1684 kpsiwn.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\kpsiwn.exe"C:\Users\Admin\AppData\Local\Temp\kpsiwn.exe"1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1388
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