Analysis
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max time kernel
22s -
max time network
128s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
15-03-2021 22:37
Static task
static1
Behavioral task
behavioral1
Sample
mon117.dll
Resource
win7v20201028
General
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Target
mon117.dll
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Size
419KB
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MD5
090492c95603c772ea19a92b5f1fb8f3
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SHA1
00bd8e2267700a0c7c12b92500c1cf1a90f39e6a
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SHA256
f604acdbac81768352ca2105a5efb82fb84544e8000a69b3d0a9ac5d557db8b8
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SHA512
667705b397e6e9d6094861120b177025b7e932601ce33f371c9c8a93e6ac5368d54f343aa9225785fda19a6ce23a314993cb55c2fac9eef10d335d5e7d4c45ad
Malware Config
Extracted
trickbot
100013
mon117
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/1184-3-0x00000000049B0000-0x00000000049E9000-memory.dmp templ_dll behavioral2/memory/1184-4-0x0000000004E20000-0x0000000004E57000-memory.dmp templ_dll behavioral2/memory/1184-6-0x00000000032A0000-0x00000000032D6000-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.
Processes:
flow ioc 18 ident.me 19 ident.me -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 2800 wermgr.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1176 wrote to memory of 1184 1176 rundll32.exe rundll32.exe PID 1176 wrote to memory of 1184 1176 rundll32.exe rundll32.exe PID 1176 wrote to memory of 1184 1176 rundll32.exe rundll32.exe PID 1184 wrote to memory of 2120 1184 rundll32.exe cmd.exe PID 1184 wrote to memory of 2120 1184 rundll32.exe cmd.exe PID 1184 wrote to memory of 2120 1184 rundll32.exe cmd.exe PID 1184 wrote to memory of 2800 1184 rundll32.exe wermgr.exe PID 1184 wrote to memory of 2800 1184 rundll32.exe wermgr.exe PID 1184 wrote to memory of 2800 1184 rundll32.exe wermgr.exe PID 1184 wrote to memory of 2800 1184 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon117.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon117.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe3⤵
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1184-2-0x0000000000000000-mapping.dmp
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memory/1184-3-0x00000000049B0000-0x00000000049E9000-memory.dmpFilesize
228KB
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memory/1184-4-0x0000000004E20000-0x0000000004E57000-memory.dmpFilesize
220KB
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memory/1184-6-0x00000000032A0000-0x00000000032D6000-memory.dmpFilesize
216KB
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memory/1184-7-0x0000000004E60000-0x0000000004EA3000-memory.dmpFilesize
268KB
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memory/1184-8-0x0000000004F40000-0x0000000004F41000-memory.dmpFilesize
4KB
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memory/1184-9-0x0000000004A01000-0x0000000004A03000-memory.dmpFilesize
8KB
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memory/1184-12-0x0000000010000000-0x0000000010037000-memory.dmpFilesize
220KB
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memory/2800-5-0x0000000000000000-mapping.dmp
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memory/2800-10-0x000001EAEEF60000-0x000001EAEEF88000-memory.dmpFilesize
160KB
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memory/2800-11-0x000001EAEF070000-0x000001EAEF071000-memory.dmpFilesize
4KB