systembc | e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e

General

Target

e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe
Size

281KB
MD5

4492cce08449651654708c03f621ba63
SHA1

8896c08bec98a3b7f5c1b6fa8fd005586a035617
SHA256

e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e
SHA512

e0f9c97b2959bb17de8c351fc315ed9691d5f6154907541baedb29448c70e1f57d64cdf59d6cf7408ed8f229ac123da67f2075c53188ffcf1a562735ac417899

Score

10^/10

systembc trojan

Malware Config

Extracted

Family

systembc

C2

sdadvert197.com:4044

mexstat128.com:4044

Signatures

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

Processes:

hbgjead.exe

pid process

3012 hbgjead.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

Connection Proxy
T1090

pid	process
3012	hbgjead.exe

flow	ioc
11	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe

description	ioc	process
File created	C:\Windows\Tasks\hbgjead.job	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe
File opened for modification	C:\Windows\Tasks\hbgjead.job	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe

Program crash 8 IoCs

Processes:

WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exe

pid	pid_target	process	target process
872	3652	WerFault.exe	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe
3736	3012	WerFault.exe	hbgjead.exe
4872	3012	WerFault.exe	hbgjead.exe
2228	3652	WerFault.exe	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe
4188	3652	WerFault.exe	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe
4552	3012	WerFault.exe	hbgjead.exe
1408	3012	WerFault.exe	hbgjead.exe
1692	3652	WerFault.exe	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe

pid	process
3652	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe
3652	e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe

C:\Users\Admin\AppData\Local\Temp\e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe
"C:\Users\Admin\AppData\Local\Temp\e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 472
2⤵
- Program crash
PID:872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 952
2⤵
- Program crash
PID:2228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 976
2⤵
- Program crash
PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 492
2⤵
- Program crash
PID:1692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3652 -ip 3652
1⤵
PID:2404

C:\ProgramData\rbvkm\hbgjead.exe
C:\ProgramData\rbvkm\hbgjead.exe start
1⤵
- Executes dropped EXE
PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 484
2⤵
- Program crash
PID:3736

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 768
2⤵
- Program crash
PID:4872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 776
2⤵
- Program crash
PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 724
2⤵
- Program crash
PID:1408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3012 -ip 3012
1⤵
PID:3068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3012 -ip 3012
1⤵
PID:4476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3652 -ip 3652
1⤵
PID:5028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 3652 -ip 3652
1⤵
PID:2352

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3012 -ip 3012
1⤵
PID:4964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3012 -ip 3012
1⤵
PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3652 -ip 3652
1⤵
PID:4076

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

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Downloads

C:\ProgramData\rbvkm\hbgjead.exe
Filesize
281KB

MD5
4492cce08449651654708c03f621ba63

SHA1
8896c08bec98a3b7f5c1b6fa8fd005586a035617

SHA256
e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e

SHA512
e0f9c97b2959bb17de8c351fc315ed9691d5f6154907541baedb29448c70e1f57d64cdf59d6cf7408ed8f229ac123da67f2075c53188ffcf1a562735ac417899

Download Submit
C:\ProgramData\rbvkm\hbgjead.exe
Filesize
281KB

MD5
4492cce08449651654708c03f621ba63

SHA1
8896c08bec98a3b7f5c1b6fa8fd005586a035617

SHA256
e3edf5e1c47e823f99c16bf388395a3a51708f492fdd057b58b19660dc96417e

SHA512
e0f9c97b2959bb17de8c351fc315ed9691d5f6154907541baedb29448c70e1f57d64cdf59d6cf7408ed8f229ac123da67f2075c53188ffcf1a562735ac417899

Download Submit
memory/3012-135-0x000000000234E000-0x0000000002355000-memory.dmp

Filesize
28KB

Download
memory/3012-136-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/3012-137-0x0000000000400000-0x0000000002304000-memory.dmp

Filesize
31.0MB

Download
memory/3652-130-0x00000000024D4000-0x00000000024DA000-memory.dmp

Filesize
24KB

Download
memory/3652-131-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/3652-132-0x0000000000400000-0x0000000002304000-memory.dmp

Filesize
31.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads