Analysis
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max time kernel
31s -
max time network
135s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
24-03-2021 17:18
Static task
static1
Behavioral task
behavioral1
Sample
9f46729f68497f8aa905e1f8ed3d197d5924a8d7acee4813b1549e6ede0cc6a8.dll
Resource
win7v20201028
General
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Target
9f46729f68497f8aa905e1f8ed3d197d5924a8d7acee4813b1549e6ede0cc6a8.dll
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Size
768KB
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MD5
5bb0b118834c3af28feedc0d594b9b2f
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SHA1
403cc32f641133f41a5f1a9b8746871d87348f00
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SHA256
9f46729f68497f8aa905e1f8ed3d197d5924a8d7acee4813b1549e6ede0cc6a8
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SHA512
5ec7d61513c6c81df3febcc8d70f6dba6aae870ad62dc0d58fa53f8792f73ec6464393936a34b5a411c4dbdc49ad410b06922439f40f3669e166ed2e2b527524
Malware Config
Extracted
trickbot
100013
mon126
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/748-3-0x0000000004B20000-0x0000000004B59000-memory.dmp templ_dll behavioral2/memory/748-4-0x0000000004D40000-0x0000000004D77000-memory.dmp templ_dll behavioral2/memory/748-6-0x00000000031C0000-0x00000000031F6000-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 26 ident.me 27 ident.me -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 3768 wermgr.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 636 wrote to memory of 748 636 rundll32.exe rundll32.exe PID 636 wrote to memory of 748 636 rundll32.exe rundll32.exe PID 636 wrote to memory of 748 636 rundll32.exe rundll32.exe PID 748 wrote to memory of 752 748 rundll32.exe cmd.exe PID 748 wrote to memory of 752 748 rundll32.exe cmd.exe PID 748 wrote to memory of 752 748 rundll32.exe cmd.exe PID 748 wrote to memory of 3768 748 rundll32.exe wermgr.exe PID 748 wrote to memory of 3768 748 rundll32.exe wermgr.exe PID 748 wrote to memory of 3768 748 rundll32.exe wermgr.exe PID 748 wrote to memory of 3768 748 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9f46729f68497f8aa905e1f8ed3d197d5924a8d7acee4813b1549e6ede0cc6a8.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\9f46729f68497f8aa905e1f8ed3d197d5924a8d7acee4813b1549e6ede0cc6a8.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/748-2-0x0000000000000000-mapping.dmp
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memory/748-3-0x0000000004B20000-0x0000000004B59000-memory.dmpFilesize
228KB
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memory/748-4-0x0000000004D40000-0x0000000004D77000-memory.dmpFilesize
220KB
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memory/748-6-0x00000000031C0000-0x00000000031F6000-memory.dmpFilesize
216KB
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memory/748-10-0x00000000031A0000-0x00000000031A1000-memory.dmpFilesize
4KB
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memory/748-9-0x0000000004D80000-0x0000000004DC3000-memory.dmpFilesize
268KB
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memory/748-11-0x0000000003181000-0x0000000003183000-memory.dmpFilesize
8KB
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memory/748-12-0x0000000010000000-0x0000000010037000-memory.dmpFilesize
220KB
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memory/3768-5-0x0000000000000000-mapping.dmp
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memory/3768-7-0x0000021B17AF0000-0x0000021B17B18000-memory.dmpFilesize
160KB
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memory/3768-8-0x0000021B17C00000-0x0000021B17C01000-memory.dmpFilesize
4KB