Analysis
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max time kernel
138s -
max time network
150s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
22-01-2021 18:03
Static task
static1
Behavioral task
behavioral1
Sample
boom5.dll
Resource
win7v20201028
General
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Target
boom5.dll
-
Size
336KB
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MD5
a4193551194e8ca981319f06cd2231d2
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SHA1
1f07b147da7d6a01979652aaefe6fd60a01af0d2
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SHA256
3c3476dfefbdc71e96f737c185710f545e3c4a1572879c5f888653017c068991
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SHA512
7d844ad401e8307613b2ac2dd0c0594fd25fc6b676d0214119a95bea28fbafb3c1fb0c62594f1026dda3825daee1a4b60e5ee52c63e11e25e25390da8b27102a
Malware Config
Extracted
trickbot
100007
boom5
41.243.29.182:449
196.45.140.146:449
103.87.25.220:443
103.98.129.222:449
103.87.25.220:449
103.65.196.44:449
103.65.195.95:449
103.61.101.11:449
103.61.100.131:449
103.150.68.124:449
103.137.81.206:449
103.126.185.7:449
103.112.145.58:449
103.110.53.174:449
102.164.208.48:449
102.164.208.44:449
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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/3480-3-0x0000000002CE0000-0x0000000002D1A000-memory.dmp templ_dll behavioral2/memory/3480-4-0x0000000002D20000-0x0000000002D58000-memory.dmp templ_dll behavioral2/memory/3480-6-0x0000000002BA0000-0x0000000002BD7000-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 23 ident.me 24 ident.me -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 1476 wermgr.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
regsvr32.exeregsvr32.exedescription pid process target process PID 3496 wrote to memory of 3480 3496 regsvr32.exe regsvr32.exe PID 3496 wrote to memory of 3480 3496 regsvr32.exe regsvr32.exe PID 3496 wrote to memory of 3480 3496 regsvr32.exe regsvr32.exe PID 3480 wrote to memory of 1476 3480 regsvr32.exe wermgr.exe PID 3480 wrote to memory of 1476 3480 regsvr32.exe wermgr.exe PID 3480 wrote to memory of 1476 3480 regsvr32.exe wermgr.exe PID 3480 wrote to memory of 1476 3480 regsvr32.exe wermgr.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\boom5.dll1⤵
- Suspicious use of WriteProcessMemory
PID:3496 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\boom5.dll2⤵
- Suspicious use of WriteProcessMemory
PID:3480 -
C:\Windows\system32\wermgr.exeC:\Windows\system32\wermgr.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:1476
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/1476-5-0x0000000000000000-mapping.dmp
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memory/1476-11-0x000001AC1A3C0000-0x000001AC1A3C1000-memory.dmpFilesize
4KB
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memory/1476-10-0x000001AC1A370000-0x000001AC1A397000-memory.dmpFilesize
156KB
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memory/3480-2-0x0000000000000000-mapping.dmp
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memory/3480-3-0x0000000002CE0000-0x0000000002D1A000-memory.dmpFilesize
232KB
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memory/3480-4-0x0000000002D20000-0x0000000002D58000-memory.dmpFilesize
224KB
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memory/3480-7-0x0000000002D90000-0x0000000002DD2000-memory.dmpFilesize
264KB
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memory/3480-8-0x0000000004800000-0x0000000004801000-memory.dmpFilesize
4KB
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memory/3480-6-0x0000000002BA0000-0x0000000002BD7000-memory.dmpFilesize
220KB
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memory/3480-9-0x00000000047E1000-0x00000000047E3000-memory.dmpFilesize
8KB