systembc | e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699

General

Target

e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe
Size

231KB
MD5

af6ec9ed07c5baa331323c30f874070a
SHA1

557507d8fe64a451c56c1daa4973944b3c4470fc
SHA256

e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699
SHA512

d22727886e4532edb35aaaddd7de88d858028d9b4a0d13423934759c23f4a984e269e746a069682d23ed9f5cae575193df2c619465b699fd775152053c52defe

Score

10^/10

systembc suricata 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
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata
suricata: ET MALWARE Win32/SystemBC CnC Checkin
suricata: ET MALWARE Win32/SystemBC CnC Checkin
suricata
Downloads MZ/PE file
Executes dropped EXE 3 IoCs

Processes:

pqruus.exebjdwfx.exeakarrr.exe

pid process

1164 pqruus.exe
2436 bjdwfx.exe
2992 akarrr.exe

pid	process
1164	pqruus.exe
2436	bjdwfx.exe
2992	akarrr.exe

Drops file in Windows directory 5 IoCs

Processes:

e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exepqruus.exebjdwfx.exe

description	ioc	process
File created	C:\Windows\Tasks\pqruus.job	e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe
File opened for modification	C:\Windows\Tasks\pqruus.job	e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe
File created	C:\Windows\Tasks\siowldeufmtfmwfvwip.job	pqruus.exe
File created	C:\Windows\Tasks\akarrr.job	bjdwfx.exe
File opened for modification	C:\Windows\Tasks\akarrr.job	bjdwfx.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1952 224 WerFault.exe e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe

pid	pid_target	process	target process
1952	224	WerFault.exe	e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exebjdwfx.exe

pid	process
224	e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe
224	e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe
2436	bjdwfx.exe
2436	bjdwfx.exe

C:\Users\Admin\AppData\Local\Temp\e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe
"C:\Users\Admin\AppData\Local\Temp\e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 484
2⤵
- Program crash
PID:1952

C:\ProgramData\bslxq\pqruus.exe
C:\ProgramData\bslxq\pqruus.exe start
1⤵
- Executes dropped EXE
- Drops file in Windows directory
PID:1164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 224 -ip 224
1⤵
PID:1776

C:\Windows\TEMP\bjdwfx.exe
C:\Windows\TEMP\bjdwfx.exe
1⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:2436

C:\ProgramData\nuhtnpd\akarrr.exe
C:\ProgramData\nuhtnpd\akarrr.exe start
1⤵
- Executes dropped EXE
PID:2992

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\ProgramData\bslxq\pqruus.exe
MD5
af6ec9ed07c5baa331323c30f874070a

SHA1
557507d8fe64a451c56c1daa4973944b3c4470fc

SHA256
e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699

SHA512
d22727886e4532edb35aaaddd7de88d858028d9b4a0d13423934759c23f4a984e269e746a069682d23ed9f5cae575193df2c619465b699fd775152053c52defe

Download Submit
C:\ProgramData\bslxq\pqruus.exe
MD5
af6ec9ed07c5baa331323c30f874070a

SHA1
557507d8fe64a451c56c1daa4973944b3c4470fc

SHA256
e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699

SHA512
d22727886e4532edb35aaaddd7de88d858028d9b4a0d13423934759c23f4a984e269e746a069682d23ed9f5cae575193df2c619465b699fd775152053c52defe

Download Submit
C:\ProgramData\nuhtnpd\akarrr.exe
MD5
af6ec9ed07c5baa331323c30f874070a

SHA1
557507d8fe64a451c56c1daa4973944b3c4470fc

SHA256
e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699

SHA512
d22727886e4532edb35aaaddd7de88d858028d9b4a0d13423934759c23f4a984e269e746a069682d23ed9f5cae575193df2c619465b699fd775152053c52defe

Download Submit
C:\ProgramData\nuhtnpd\akarrr.exe
MD5
af6ec9ed07c5baa331323c30f874070a

SHA1
557507d8fe64a451c56c1daa4973944b3c4470fc

SHA256
e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699

SHA512
d22727886e4532edb35aaaddd7de88d858028d9b4a0d13423934759c23f4a984e269e746a069682d23ed9f5cae575193df2c619465b699fd775152053c52defe

Download Submit
C:\Windows\TEMP\bjdwfx.exe
MD5
af6ec9ed07c5baa331323c30f874070a

SHA1
557507d8fe64a451c56c1daa4973944b3c4470fc

SHA256
e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699

SHA512
d22727886e4532edb35aaaddd7de88d858028d9b4a0d13423934759c23f4a984e269e746a069682d23ed9f5cae575193df2c619465b699fd775152053c52defe

Download Submit
C:\Windows\Tasks\pqruus.job
MD5
c49c59010fc62a60b5463a4e9b86538b

SHA1
a4c762b80c26befdff08d9a4e732103139c57b64

SHA256
8c0e710503c8d67b0d6590a2567cd56043173fbf3060ff5bc9f7c42a351cd233

SHA512
4192000b8180cac895aa55b8a2cd3330986962554618287da696a1a9af8b1d847388ca1d5bbe4410374115f7096d5d2b9ffeda625084375f072d2250b9e5a120

Download Submit
C:\Windows\Temp\bjdwfx.exe
MD5
af6ec9ed07c5baa331323c30f874070a

SHA1
557507d8fe64a451c56c1daa4973944b3c4470fc

SHA256
e4eeae87c2a1322dcca0411cb644fc416d3423d9236b3a94408214315d2a6699

SHA512
d22727886e4532edb35aaaddd7de88d858028d9b4a0d13423934759c23f4a984e269e746a069682d23ed9f5cae575193df2c619465b699fd775152053c52defe

Download Submit
memory/224-134-0x0000000000669000-0x0000000000672000-memory.dmp

Filesize
36KB

Download
memory/224-135-0x0000000000600000-0x0000000000609000-memory.dmp

Filesize
36KB

Download
memory/224-136-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/224-133-0x0000000000669000-0x0000000000672000-memory.dmp

Filesize
36KB

Download
memory/1164-141-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1164-140-0x00000000005C5000-0x00000000005CD000-memory.dmp

Filesize
32KB

Download
memory/1164-139-0x00000000005C5000-0x00000000005CD000-memory.dmp

Filesize
32KB

Download
memory/2436-146-0x0000000000470000-0x0000000000570000-memory.dmp

Filesize
1024KB

Download
memory/2436-147-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2992-150-0x0000000000695000-0x000000000069D000-memory.dmp

Filesize
32KB

Download
memory/2992-151-0x0000000000695000-0x000000000069D000-memory.dmp

Filesize
32KB

Download
memory/2992-152-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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