systembc | d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149

General

Target

d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe
Size

292KB
MD5

2c640457ce9535dfe46ba275e358cb50
SHA1

5e3b05d9ef93cf757325a4ec4d0fa1b881b2472d
SHA256

d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149
SHA512

a9ef2e06efde9eef6869e7c085eb1612cb1aa76b076d578e73870d75b56e0fd2daa0c03e2f1a3a5ae8c2cff0e9487da4d245b2cf0dd9c8996e15bffd80906a8f

Score

10^/10

systembc suricata trojan

Malware Config

Extracted

Family

systembc

C2

advertrex20.xyz:4044

gentexman37.xyz:4044

Signatures

SystemBC
SystemBC is a proxy and remote administration tool first seen in 2019.
trojan systembc
suricata: ET MALWARE Observed SystemBC CnC Domain in DNS Query
suricata: ET MALWARE Observed SystemBC CnC Domain in DNS Query
suricata
Executes dropped EXE 1 IoCs

Processes:

ngadvf.exe

pid process

5056 ngadvf.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

45 api.ipify.org
44 api.ipify.org
Uses Tor communications 1 TTPs
Malware can proxy its traffic through Tor for more anonymity.

Connection Proxy
T1090

pid	process
5056	ngadvf.exe

flow	ioc
45	api.ipify.org
44	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe

description	ioc	process
File created	C:\Windows\Tasks\ngadvf.job	d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe
File opened for modification	C:\Windows\Tasks\ngadvf.job	d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2664 3668 WerFault.exe d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe

pid	pid_target	process	target process
2664	3668	WerFault.exe	d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe

pid	process
3668	d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe
3668	d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe

C:\Users\Admin\AppData\Local\Temp\d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe
"C:\Users\Admin\AppData\Local\Temp\d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3668 -s 960
  2⤵
  - Program crash
  PID:2664

C:\ProgramData\bhdf\ngadvf.exe
C:\ProgramData\bhdf\ngadvf.exe start
1⤵
- Executes dropped EXE
PID:5056

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3668 -ip 3668
1⤵
PID:2536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Connection Proxy

1

T1090

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Connection Proxy

1

T1090

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\bhdf\ngadvf.exe

Filesize
292KB

MD5
2c640457ce9535dfe46ba275e358cb50

SHA1
5e3b05d9ef93cf757325a4ec4d0fa1b881b2472d

SHA256
d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149

SHA512
a9ef2e06efde9eef6869e7c085eb1612cb1aa76b076d578e73870d75b56e0fd2daa0c03e2f1a3a5ae8c2cff0e9487da4d245b2cf0dd9c8996e15bffd80906a8f

Download Submit
C:\ProgramData\bhdf\ngadvf.exe

Filesize
292KB

MD5
2c640457ce9535dfe46ba275e358cb50

SHA1
5e3b05d9ef93cf757325a4ec4d0fa1b881b2472d

SHA256
d0f9d46bfa6868d957540a3c89625eda161fe34c9658c9c156be512f2973e149

SHA512
a9ef2e06efde9eef6869e7c085eb1612cb1aa76b076d578e73870d75b56e0fd2daa0c03e2f1a3a5ae8c2cff0e9487da4d245b2cf0dd9c8996e15bffd80906a8f

Download Submit
memory/3668-134-0x00000000048E0000-0x00000000048E6000-memory.dmp

Filesize
24KB

Download
memory/3668-135-0x00000000048F0000-0x00000000048F9000-memory.dmp

Filesize
36KB

Download
memory/3668-136-0x0000000000400000-0x00000000046C8000-memory.dmp

Filesize
66.8MB

Download
memory/5056-139-0x0000000004F90000-0x0000000004F99000-memory.dmp

Filesize
36KB

Download
memory/5056-140-0x0000000000400000-0x00000000046C8000-memory.dmp

Filesize
66.8MB

Download

Analysis

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