Analysis
- max time kernel
68s - max time network
112s - platform
windows7_x64 - resource
win7-20220414-en - submitted
23/04/2022, 04:27
General
- Target 546a938a34280d863ba416c0aacdb04e.exe
- Size 239KB
- Sample220423-e23s5aeeaj
- SHA256 d0f3211e3a351e4f7384243f983a33a0b4e989b61fea1e1c098bb5c8241ae102
Score
10/10
Malware Config
Extracted
Family
-
systembc
C2
-
62.182.82.33:1488
-
usaf.army:1488
Signatures
- SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
- Drops file in Windows directory 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\546a938a34280d863ba416c0aacdb04e.exe"C:\Users\Admin\AppData\Local\Temp\546a938a34280d863ba416c0aacdb04e.exe"1⤵
- Drops file in Windows directory
-
C:\Windows\system32\taskeng.exetaskeng.exe {0D03EF73-F1F6-41E5-AB75-97BEFA6F7641} S-1-5-18:NT AUTHORITY\System:Service:1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\546a938a34280d863ba416c0aacdb04e.exeC:\Users\Admin\AppData\Local\Temp\546a938a34280d863ba416c0aacdb04e.exe start2⤵
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
memory/1656-60-0x000000000051F000-0x0000000000528000-memory.dmp
memory/1656-62-0x000000000051F000-0x0000000000528000-memory.dmp
memory/1656-63-0x0000000000400000-0x0000000000447000-memory.dmp
memory/1748-55-0x0000000075761000-0x0000000075763000-memory.dmp
memory/1748-56-0x0000000000230000-0x0000000000330000-memory.dmp
memory/1748-57-0x00000000003A0000-0x00000000003A5000-memory.dmp
memory/1748-58-0x0000000000400000-0x0000000000447000-memory.dmp