systembc | d896fea673941330bf9b4aca5ad7bd1b5e12d3768bfaea9521c843ac1324c629

Analysis

Target

761e217f02855c7368259f63332d61df.exe
Size

266KB
MD5

761e217f02855c7368259f63332d61df
SHA1

a8f7630f3804f9d52da46e18efa0116ff5d4262b
SHA256

d896fea673941330bf9b4aca5ad7bd1b5e12d3768bfaea9521c843ac1324c629
SHA512

d24886f732a2e3d38e56ff56ea0e2f65eb686af2ace6c76368930505b1efcf2124727b65cbf2d406805ee9e73b074af8d6434e5503f8b14745625e3026a7278c

Score

10^/10

systembc trojan

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Executes dropped EXE 1 IoCs

Processes:

tbvuvu.exe

pid process

1272 tbvuvu.exe

pid	process
1272	tbvuvu.exe

Drops file in Windows directory 2 IoCs

Processes:

761e217f02855c7368259f63332d61df.exe

description	ioc	process
File opened for modification	C:\Windows\Tasks\tbvuvu.job	761e217f02855c7368259f63332d61df.exe
File created	C:\Windows\Tasks\tbvuvu.job	761e217f02855c7368259f63332d61df.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

761e217f02855c7368259f63332d61df.exe

pid process

836 761e217f02855c7368259f63332d61df.exe

pid	process
836	761e217f02855c7368259f63332d61df.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

taskeng.exe

description	pid	process	target process
PID 1232 wrote to memory of 1272	1232	taskeng.exe	tbvuvu.exe
PID 1232 wrote to memory of 1272	1232	taskeng.exe	tbvuvu.exe
PID 1232 wrote to memory of 1272	1232	taskeng.exe	tbvuvu.exe
PID 1232 wrote to memory of 1272	1232	taskeng.exe	tbvuvu.exe

C:\Windows\system32\taskeng.exe
taskeng.exe {C9E5968C-DAED-4004-974A-F0B38C8BC136} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1232
- C:\ProgramData\xpbwr\tbvuvu.exe
  C:\ProgramData\xpbwr\tbvuvu.exe start
  2⤵
  - Executes dropped EXE
  PID:1272

C:\ProgramData\xpbwr\tbvuvu.exe

MD5
761e217f02855c7368259f63332d61df

SHA1
a8f7630f3804f9d52da46e18efa0116ff5d4262b

SHA256
d896fea673941330bf9b4aca5ad7bd1b5e12d3768bfaea9521c843ac1324c629

SHA512
d24886f732a2e3d38e56ff56ea0e2f65eb686af2ace6c76368930505b1efcf2124727b65cbf2d406805ee9e73b074af8d6434e5503f8b14745625e3026a7278c

Download Submit
C:\ProgramData\xpbwr\tbvuvu.exe

MD5
761e217f02855c7368259f63332d61df

SHA1
a8f7630f3804f9d52da46e18efa0116ff5d4262b

SHA256
d896fea673941330bf9b4aca5ad7bd1b5e12d3768bfaea9521c843ac1324c629

SHA512
d24886f732a2e3d38e56ff56ea0e2f65eb686af2ace6c76368930505b1efcf2124727b65cbf2d406805ee9e73b074af8d6434e5503f8b14745625e3026a7278c

Download Submit
memory/836-2-0x00000000061C0000-0x00000000061D1000-memory.dmp

Filesize
68KB

Download
memory/1272-4-0x0000000000000000-mapping.dmp

Download
memory/1272-6-0x0000000004CC0000-0x0000000004CD1000-memory.dmp

Filesize
68KB

Download