Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
07-05-2022 04:18
Static task
static1
Behavioral task
behavioral1
Sample
mon48_cr.dll
Resource
win7-20220414-en
General
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Target
mon48_cr.dll
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Size
329KB
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MD5
48cab21fcbe254e7c83f4c1d455a39dc
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SHA1
b96c1f765abb14eb401cacab6f6e203c3a255df9
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SHA256
f1b9d5520ba13179e19b336e542d18b0bd9f39a2b41d88a739625c8480422b73
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SHA512
0375a26a2d6d8990d202b75b4cb6797d03300ddc077c4dcb05778365212644ee49ce6e437fde0b77e1b8179d01ffad028635869d2f3897333b85471724d15ebc
Malware Config
Extracted
trickbot
100011
mon48
194.5.249.156:443
142.202.191.164:443
193.8.194.96:443
45.155.173.242:443
108.170.20.75:443
185.163.45.138:443
94.140.114.136:443
134.119.186.202:443
200.52.147.93:443
45.230.244.20:443
186.250.157.116:443
186.137.85.76:443
36.94.62.207:443
182.253.107.34:443
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autorunName:pwgrab
Signatures
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suricata: ET MALWARE Win32/TrickBot CnC Initial Checkin M2
suricata: ET MALWARE Win32/TrickBot CnC Initial Checkin M2
-
Processes:
resource yara_rule behavioral2/memory/4788-132-0x0000000002350000-0x0000000002387000-memory.dmp templ_dll -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 1824 wermgr.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 4780 wrote to memory of 4788 4780 rundll32.exe rundll32.exe PID 4780 wrote to memory of 4788 4780 rundll32.exe rundll32.exe PID 4780 wrote to memory of 4788 4780 rundll32.exe rundll32.exe PID 4788 wrote to memory of 2076 4788 rundll32.exe wermgr.exe PID 4788 wrote to memory of 2076 4788 rundll32.exe wermgr.exe PID 4788 wrote to memory of 1824 4788 rundll32.exe wermgr.exe PID 4788 wrote to memory of 1824 4788 rundll32.exe wermgr.exe PID 4788 wrote to memory of 1824 4788 rundll32.exe wermgr.exe PID 4788 wrote to memory of 1824 4788 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon48_cr.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mon48_cr.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.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
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Downloads
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memory/1824-131-0x0000000000000000-mapping.dmp
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memory/1824-134-0x00000167050D0000-0x00000167050F7000-memory.dmpFilesize
156KB
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memory/4788-130-0x0000000000000000-mapping.dmp
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memory/4788-132-0x0000000002350000-0x0000000002387000-memory.dmpFilesize
220KB
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memory/4788-133-0x0000000002390000-0x00000000023D1000-memory.dmpFilesize
260KB