systembc | f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8

General

Target

f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe
Size

232KB
MD5

89545aa0c4f25bf6505a6b16de5721c4
SHA1

f1dc7554e9776d7c724ad22b3251fd552d46e098
SHA256

f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8
SHA512

f7cae7089a54a1600c2bcb4a929a13f8a2f81af1845ab24943361511dc941252bd7aa954617063a1ec1ac99a83293b20773e69b3cb8cd9722e84a9b5728a599b

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

31.44.185.6:4001

31.44.185.11:4001

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

qbllv.exerpna.exebuouca.exe

pid process

2060 qbllv.exe
1672 rpna.exe
4584 buouca.exe

pid	process
2060	qbllv.exe
1672	rpna.exe
4584	buouca.exe

Drops file in Windows directory 5 IoCs

Processes:

f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exeqbllv.exerpna.exe

description	ioc	process
File created	C:\Windows\Tasks\qbllv.job	f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe
File opened for modification	C:\Windows\Tasks\qbllv.job	f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe
File created	C:\Windows\Tasks\qlqdmbgrhqmvpaufwkd.job	qbllv.exe
File created	C:\Windows\Tasks\buouca.job	rpna.exe
File opened for modification	C:\Windows\Tasks\buouca.job	rpna.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3620 4696 WerFault.exe f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe

pid	pid_target	process	target process
3620	4696	WerFault.exe	f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exerpna.exe

pid	process
4696	f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe
4696	f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe
1672	rpna.exe
1672	rpna.exe

C:\Users\Admin\AppData\Local\Temp\f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe
"C:\Users\Admin\AppData\Local\Temp\f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4696 -s 488
2⤵
- Program crash
PID:3620

C:\ProgramData\jcag\qbllv.exe
C:\ProgramData\jcag\qbllv.exe start
1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4696 -ip 4696
1⤵
PID:4856

C:\Windows\TEMP\rpna.exe
C:\Windows\TEMP\rpna.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:1672

C:\ProgramData\bonvej\buouca.exe
C:\ProgramData\bonvej\buouca.exe start
1⤵
- Executes dropped EXE
PID:4584

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\bonvej\buouca.exe
MD5
89545aa0c4f25bf6505a6b16de5721c4

SHA1
f1dc7554e9776d7c724ad22b3251fd552d46e098

SHA256
f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8

SHA512
f7cae7089a54a1600c2bcb4a929a13f8a2f81af1845ab24943361511dc941252bd7aa954617063a1ec1ac99a83293b20773e69b3cb8cd9722e84a9b5728a599b

Download Submit
C:\ProgramData\bonvej\buouca.exe
MD5
89545aa0c4f25bf6505a6b16de5721c4

SHA1
f1dc7554e9776d7c724ad22b3251fd552d46e098

SHA256
f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8

SHA512
f7cae7089a54a1600c2bcb4a929a13f8a2f81af1845ab24943361511dc941252bd7aa954617063a1ec1ac99a83293b20773e69b3cb8cd9722e84a9b5728a599b

Download Submit
C:\ProgramData\jcag\qbllv.exe
MD5
89545aa0c4f25bf6505a6b16de5721c4

SHA1
f1dc7554e9776d7c724ad22b3251fd552d46e098

SHA256
f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8

SHA512
f7cae7089a54a1600c2bcb4a929a13f8a2f81af1845ab24943361511dc941252bd7aa954617063a1ec1ac99a83293b20773e69b3cb8cd9722e84a9b5728a599b

Download Submit
C:\ProgramData\jcag\qbllv.exe
MD5
89545aa0c4f25bf6505a6b16de5721c4

SHA1
f1dc7554e9776d7c724ad22b3251fd552d46e098

SHA256
f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8

SHA512
f7cae7089a54a1600c2bcb4a929a13f8a2f81af1845ab24943361511dc941252bd7aa954617063a1ec1ac99a83293b20773e69b3cb8cd9722e84a9b5728a599b

Download Submit
C:\Windows\TEMP\rpna.exe
MD5
89545aa0c4f25bf6505a6b16de5721c4

SHA1
f1dc7554e9776d7c724ad22b3251fd552d46e098

SHA256
f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8

SHA512
f7cae7089a54a1600c2bcb4a929a13f8a2f81af1845ab24943361511dc941252bd7aa954617063a1ec1ac99a83293b20773e69b3cb8cd9722e84a9b5728a599b

Download Submit
C:\Windows\Tasks\qbllv.job
MD5
1454a6c37731bc21edf538c528b6474b

SHA1
3623a3f33747ece1b55738d8d6c1a9c60b79728c

SHA256
dce089653118f2f80be54b390e674fa18016c6338bdb2a74e0a63497b9935b49

SHA512
7fc76b01dbf4e435c8b0c7fbbfc1034d2de0a75f9dc32cfd1980fc1053e919c9af9f40b6710b6f9eb3311b16386156ee050b62372043459d6f98810341b6c775

Download Submit
C:\Windows\Temp\rpna.exe
MD5
89545aa0c4f25bf6505a6b16de5721c4

SHA1
f1dc7554e9776d7c724ad22b3251fd552d46e098

SHA256
f8f47008cedcad207b82e37c86c9fb6656942374eb5a7636caf301ac425bc9f8

SHA512
f7cae7089a54a1600c2bcb4a929a13f8a2f81af1845ab24943361511dc941252bd7aa954617063a1ec1ac99a83293b20773e69b3cb8cd9722e84a9b5728a599b

Download Submit
memory/1672-148-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1672-147-0x00000000006AD000-0x00000000006B6000-memory.dmp

Filesize
36KB

Download
memory/1672-145-0x00000000006AD000-0x00000000006B6000-memory.dmp

Filesize
36KB

Download
memory/2060-142-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2060-141-0x00000000004AD000-0x00000000004B6000-memory.dmp

Filesize
36KB

Download
memory/2060-140-0x00000000004AD000-0x00000000004B6000-memory.dmp

Filesize
36KB

Download
memory/4584-151-0x000000000084D000-0x0000000000856000-memory.dmp

Filesize
36KB

Download
memory/4584-152-0x000000000084D000-0x0000000000856000-memory.dmp

Filesize
36KB

Download
memory/4584-153-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4696-137-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/4696-134-0x0000000000671000-0x000000000067A000-memory.dmp

Filesize
36KB

Download
memory/4696-136-0x0000000000600000-0x0000000000609000-memory.dmp

Filesize
36KB

Download
memory/4696-135-0x0000000000671000-0x000000000067A000-memory.dmp

Filesize
36KB

Download

Analysis

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