Analysis
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max time kernel
29s -
max time network
143s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
13-03-2021 09:08
Static task
static1
Behavioral task
behavioral1
Sample
d97e4caabf31d478bc931a0a1a47e08c.dll
Resource
win7v20201028
General
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Target
d97e4caabf31d478bc931a0a1a47e08c.dll
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Size
768KB
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MD5
d97e4caabf31d478bc931a0a1a47e08c
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SHA1
85cca6fc2fdfab66c47188efc007d0b651c1536d
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SHA256
2eaa196b5f4f0d20b23dd82f001f369e05de803834a11cfe93dd7b795d9e6cd2
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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
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autorunName:pwgrab
Signatures
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Templ.dll packer 3 IoCs
Detects Templ.dll packer which usually loads Trickbot.
resource yara_rule behavioral1/memory/1984-4-0x0000000000580000-0x00000000005B9000-memory.dmp templ_dll behavioral1/memory/1984-5-0x00000000005D0000-0x0000000000607000-memory.dmp templ_dll behavioral1/memory/1984-6-0x00000000001F0000-0x0000000000226000-memory.dmp templ_dll -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 8 api.ipify.org 9 api.ipify.org -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1760 wermgr.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 1108 wrote to memory of 1984 1108 rundll32.exe 25 PID 1108 wrote to memory of 1984 1108 rundll32.exe 25 PID 1108 wrote to memory of 1984 1108 rundll32.exe 25 PID 1108 wrote to memory of 1984 1108 rundll32.exe 25 PID 1108 wrote to memory of 1984 1108 rundll32.exe 25 PID 1108 wrote to memory of 1984 1108 rundll32.exe 25 PID 1108 wrote to memory of 1984 1108 rundll32.exe 25 PID 1984 wrote to memory of 1772 1984 rundll32.exe 30 PID 1984 wrote to memory of 1772 1984 rundll32.exe 30 PID 1984 wrote to memory of 1772 1984 rundll32.exe 30 PID 1984 wrote to memory of 1772 1984 rundll32.exe 30 PID 1984 wrote to memory of 1760 1984 rundll32.exe 31 PID 1984 wrote to memory of 1760 1984 rundll32.exe 31 PID 1984 wrote to memory of 1760 1984 rundll32.exe 31 PID 1984 wrote to memory of 1760 1984 rundll32.exe 31 PID 1984 wrote to memory of 1760 1984 rundll32.exe 31 PID 1984 wrote to memory of 1760 1984 rundll32.exe 31
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d97e4caabf31d478bc931a0a1a47e08c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d97e4caabf31d478bc931a0a1a47e08c.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:1772
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1760
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