Analysis
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max time kernel
33s -
max time network
134s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
24-03-2021 17:18
Static task
static1
Behavioral task
behavioral1
Sample
18a3ed7a253f8e074805bfedc4cf6aab316ce4909913e2dc8aedbc19fce668ca.dll
Resource
win7v20201028
General
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Target
18a3ed7a253f8e074805bfedc4cf6aab316ce4909913e2dc8aedbc19fce668ca.dll
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Size
675KB
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MD5
46ea0661444ba5f0c09c59938883fcaa
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SHA1
dee40cdb15046a6a1f47445b6202034e9a0d77e6
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SHA256
18a3ed7a253f8e074805bfedc4cf6aab316ce4909913e2dc8aedbc19fce668ca
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SHA512
df0fc73283f7fe95c5db87b01981b708c32ab048ebf0234fd9c7273b1b6e530dd610409a7b0680b38527795f1ebb771569d185976aace3d1bfca8680921cfbac
Malware Config
Extracted
trickbot
100013
mon138
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.
Processes:
resource yara_rule behavioral2/memory/3928-3-0x00000000011D0000-0x0000000001209000-memory.dmp templ_dll behavioral2/memory/3928-4-0x0000000004970000-0x00000000049A7000-memory.dmp templ_dll behavioral2/memory/3928-5-0x0000000000D60000-0x0000000000D96000-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 21 ipinfo.io -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid Process Token: SeDebugPrivilege 2512 wermgr.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
rundll32.exerundll32.exedescription pid Process procid_target PID 528 wrote to memory of 3928 528 rundll32.exe 68 PID 528 wrote to memory of 3928 528 rundll32.exe 68 PID 528 wrote to memory of 3928 528 rundll32.exe 68 PID 3928 wrote to memory of 2444 3928 rundll32.exe 76 PID 3928 wrote to memory of 2444 3928 rundll32.exe 76 PID 3928 wrote to memory of 2444 3928 rundll32.exe 76 PID 3928 wrote to memory of 2512 3928 rundll32.exe 77 PID 3928 wrote to memory of 2512 3928 rundll32.exe 77 PID 3928 wrote to memory of 2512 3928 rundll32.exe 77 PID 3928 wrote to memory of 2512 3928 rundll32.exe 77
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\18a3ed7a253f8e074805bfedc4cf6aab316ce4909913e2dc8aedbc19fce668ca.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:528 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\18a3ed7a253f8e074805bfedc4cf6aab316ce4909913e2dc8aedbc19fce668ca.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵PID:2444
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:2512
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