systembc | bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810

General

Target

bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe
Size

237KB
MD5

572eb88ef3e508c0556d55b4e7f649bd
SHA1

a2251c07ea52e9886be15835d45eac41c24af78d
SHA256

bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810
SHA512

8f9ed7ae2b94a3a6cb7e70a7192509d5dc8a8d728bedcdd01c2129608edbc0fc5c6b487733de72d54ba7dda438df7887381669466759d3e5bd8a8835b32335e9

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:

jxoa.exeovwsnni.exeptmm.exe

pid process

5108 jxoa.exe
3656 ovwsnni.exe
956 ptmm.exe

pid	process
5108	jxoa.exe
3656	ovwsnni.exe
956	ptmm.exe

Drops file in Windows directory 5 IoCs

Processes:

ovwsnni.exebad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exejxoa.exe

description	ioc	process
File created	C:\Windows\Tasks\ptmm.job	ovwsnni.exe
File opened for modification	C:\Windows\Tasks\ptmm.job	ovwsnni.exe
File created	C:\Windows\Tasks\jxoa.job	bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe
File opened for modification	C:\Windows\Tasks\jxoa.job	bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe
File created	C:\Windows\Tasks\spjqlmiojkrsnivwrgb.job	jxoa.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4888 3304 WerFault.exe bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe

pid	pid_target	process	target process
4888	3304	WerFault.exe	bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exeovwsnni.exe

pid	process
3304	bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe
3304	bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe
3656	ovwsnni.exe
3656	ovwsnni.exe

C:\Users\Admin\AppData\Local\Temp\bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe
"C:\Users\Admin\AppData\Local\Temp\bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3304

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3304 -s 488
2⤵
- Program crash
PID:4888

C:\ProgramData\xnqxgo\jxoa.exe
C:\ProgramData\xnqxgo\jxoa.exe start
1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:5108

C:\Windows\TEMP\ovwsnni.exe
C:\Windows\TEMP\ovwsnni.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3304 -ip 3304
1⤵
PID:4304

C:\ProgramData\lqebma\ptmm.exe
C:\ProgramData\lqebma\ptmm.exe start
1⤵
- Executes dropped EXE
PID:956

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\lqebma\ptmm.exe
MD5
572eb88ef3e508c0556d55b4e7f649bd

SHA1
a2251c07ea52e9886be15835d45eac41c24af78d

SHA256
bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810

SHA512
8f9ed7ae2b94a3a6cb7e70a7192509d5dc8a8d728bedcdd01c2129608edbc0fc5c6b487733de72d54ba7dda438df7887381669466759d3e5bd8a8835b32335e9

Download Submit
C:\ProgramData\lqebma\ptmm.exe
MD5
572eb88ef3e508c0556d55b4e7f649bd

SHA1
a2251c07ea52e9886be15835d45eac41c24af78d

SHA256
bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810

SHA512
8f9ed7ae2b94a3a6cb7e70a7192509d5dc8a8d728bedcdd01c2129608edbc0fc5c6b487733de72d54ba7dda438df7887381669466759d3e5bd8a8835b32335e9

Download Submit
C:\ProgramData\xnqxgo\jxoa.exe
MD5
572eb88ef3e508c0556d55b4e7f649bd

SHA1
a2251c07ea52e9886be15835d45eac41c24af78d

SHA256
bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810

SHA512
8f9ed7ae2b94a3a6cb7e70a7192509d5dc8a8d728bedcdd01c2129608edbc0fc5c6b487733de72d54ba7dda438df7887381669466759d3e5bd8a8835b32335e9

Download Submit
C:\ProgramData\xnqxgo\jxoa.exe
MD5
572eb88ef3e508c0556d55b4e7f649bd

SHA1
a2251c07ea52e9886be15835d45eac41c24af78d

SHA256
bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810

SHA512
8f9ed7ae2b94a3a6cb7e70a7192509d5dc8a8d728bedcdd01c2129608edbc0fc5c6b487733de72d54ba7dda438df7887381669466759d3e5bd8a8835b32335e9

Download Submit
C:\Windows\TEMP\ovwsnni.exe
MD5
572eb88ef3e508c0556d55b4e7f649bd

SHA1
a2251c07ea52e9886be15835d45eac41c24af78d

SHA256
bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810

SHA512
8f9ed7ae2b94a3a6cb7e70a7192509d5dc8a8d728bedcdd01c2129608edbc0fc5c6b487733de72d54ba7dda438df7887381669466759d3e5bd8a8835b32335e9

Download Submit
C:\Windows\Tasks\jxoa.job
MD5
f98abe295fa4cb5480350c740486c014

SHA1
3820781eaeaa6688eba9a8905bbb85916e73cac6

SHA256
ecdb6de89773db1b0543e6476c60302b1f2062b092544cdbd44f0b5fbb563bbd

SHA512
430bb472ad76ec6f18a2ba4179597d147ed23b80291e5fbbbb1da86856f19603f9cb90a93b68c942dee339cd11aac4211c2596f330117c310e7a892eaa3eb62f

Download Submit
C:\Windows\Temp\ovwsnni.exe
MD5
572eb88ef3e508c0556d55b4e7f649bd

SHA1
a2251c07ea52e9886be15835d45eac41c24af78d

SHA256
bad62abd7ad29c3d1379bd06439b3208549ceff63772420104c1b322a4abc810

SHA512
8f9ed7ae2b94a3a6cb7e70a7192509d5dc8a8d728bedcdd01c2129608edbc0fc5c6b487733de72d54ba7dda438df7887381669466759d3e5bd8a8835b32335e9

Download Submit
memory/956-152-0x000000000049B000-0x00000000004A4000-memory.dmp

Filesize
36KB

Download
memory/956-154-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/956-153-0x000000000049B000-0x00000000004A4000-memory.dmp

Filesize
36KB

Download
memory/3304-137-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/3304-136-0x0000000000600000-0x0000000000609000-memory.dmp

Filesize
36KB

Download
memory/3304-135-0x000000000063E000-0x0000000000647000-memory.dmp

Filesize
36KB

Download
memory/3304-134-0x000000000063E000-0x0000000000647000-memory.dmp

Filesize
36KB

Download
memory/3656-146-0x00000000004CA000-0x00000000004D3000-memory.dmp

Filesize
36KB

Download
memory/3656-148-0x00000000004CA000-0x00000000004D3000-memory.dmp

Filesize
36KB

Download
memory/3656-149-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/5108-140-0x00000000007DB000-0x00000000007E4000-memory.dmp

Filesize
36KB

Download
memory/5108-141-0x00000000007DB000-0x00000000007E4000-memory.dmp

Filesize
36KB

Download
memory/5108-143-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/5108-142-0x00000000005B0000-0x00000000005B9000-memory.dmp

Filesize
36KB

Download

Analysis

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