Analysis
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max time kernel
68s -
max time network
175s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-07-2021 13:38
Static task
static1
Behavioral task
behavioral1
Sample
triage_dropped_file.dll
Resource
win7v20210408
General
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Target
triage_dropped_file.dll
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Size
596KB
-
MD5
11a2bbc677b1cc5d53a5d34351c026e4
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SHA1
2bfdb0af11e01022bbeedfba846d71b2a29f8237
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SHA256
fda93931bb0b67a61cae3acdae38a66fba556813a194239c0391819b3dbfed26
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SHA512
9eb0ca50d74ff9ad4597ba0255e7e4c3346b37ac667cfecf455a890264ef52d687a7aa84121c56dde3e50c7472ce7ae2a3d49a0e3da5498ec56b1a16a5bd4eb6
Malware Config
Extracted
trickbot
100018
rob109
38.110.103.124:443
185.56.76.28:443
204.138.26.60:443
60.51.47.65:443
74.85.157.139:443
68.69.26.182:443
38.110.103.136:443
38.110.103.18:443
138.34.28.219:443
185.56.76.94:443
217.115.240.248:443
24.162.214.166:443
80.15.2.105:443
154.58.23.192:443
38.110.100.104:443
45.36.99.184:443
185.56.76.108:443
185.56.76.72:443
138.34.28.35:443
97.83.40.67:443
38.110.103.113:443
38.110.100.142:443
184.74.99.214:443
103.105.254.17:443
62.99.76.213:443
82.159.149.52:443
38.110.100.33:443
38.110.100.242:443
185.13.79.3:443
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autorunName:pwgrabbName:pwgrabc
Signatures
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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 8 ipecho.net -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
wermgr.exedescription pid process Token: SeDebugPrivilege 1532 wermgr.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 660 wrote to memory of 1780 660 rundll32.exe rundll32.exe PID 660 wrote to memory of 1780 660 rundll32.exe rundll32.exe PID 660 wrote to memory of 1780 660 rundll32.exe rundll32.exe PID 660 wrote to memory of 1780 660 rundll32.exe rundll32.exe PID 660 wrote to memory of 1780 660 rundll32.exe rundll32.exe PID 660 wrote to memory of 1780 660 rundll32.exe rundll32.exe PID 660 wrote to memory of 1780 660 rundll32.exe rundll32.exe PID 1780 wrote to memory of 1640 1780 rundll32.exe cmd.exe PID 1780 wrote to memory of 1640 1780 rundll32.exe cmd.exe PID 1780 wrote to memory of 1640 1780 rundll32.exe cmd.exe PID 1780 wrote to memory of 1640 1780 rundll32.exe cmd.exe PID 1780 wrote to memory of 1532 1780 rundll32.exe wermgr.exe PID 1780 wrote to memory of 1532 1780 rundll32.exe wermgr.exe PID 1780 wrote to memory of 1532 1780 rundll32.exe wermgr.exe PID 1780 wrote to memory of 1532 1780 rundll32.exe wermgr.exe PID 1780 wrote to memory of 1532 1780 rundll32.exe wermgr.exe PID 1780 wrote to memory of 1532 1780 rundll32.exe wermgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.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/1532-72-0x0000000000000000-mapping.dmp
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memory/1532-73-0x00000000000F0000-0x0000000000118000-memory.dmpFilesize
160KB
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memory/1532-74-0x0000000000190000-0x0000000000191000-memory.dmpFilesize
4KB
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memory/1780-59-0x0000000000000000-mapping.dmp
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memory/1780-60-0x0000000075051000-0x0000000075053000-memory.dmpFilesize
8KB
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memory/1780-61-0x0000000000280000-0x00000000002BB000-memory.dmpFilesize
236KB
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memory/1780-64-0x00000000002D0000-0x0000000000309000-memory.dmpFilesize
228KB
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memory/1780-66-0x0000000000410000-0x0000000000447000-memory.dmpFilesize
220KB
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memory/1780-68-0x0000000000170000-0x00000000001A8000-memory.dmpFilesize
224KB
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memory/1780-69-0x0000000000450000-0x0000000000494000-memory.dmpFilesize
272KB
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memory/1780-70-0x0000000000360000-0x0000000000371000-memory.dmpFilesize
68KB
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memory/1780-71-0x0000000000341000-0x0000000000343000-memory.dmpFilesize
8KB