systembc | d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415

General

Target

d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe
Size

173KB
MD5

cbdfe40fef7a9604064f8494f73e49bc
SHA1

09bf2fcb2f8c54e752eb5a10f2b6fc66d584b43e
SHA256

d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415
SHA512

bee9514bd26fa31ba4977c4088d584884861dba4a9e69264e95a1fc5804edde3310ddc07f762d9908cfbf8c6436a32bd4b7539ac254913b2fa97c528bf1238dd

Score

10^/10

systembc trojan upx

Malware Config

Extracted

Family

systembc

C2

dec15coma.com:4039

dec15coma.xyz:4039

Signatures

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

Processes:

hnbbutp.exe

pid process

1704 hnbbutp.exe

pid	process
1704	hnbbutp.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
C:\ProgramData\gagmo\hnbbutp.exe	upx
C:\ProgramData\gagmo\hnbbutp.exe	upx

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

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

Connection Proxy
T1090

flow	ioc
21	api.ipify.org
22	api.ipify.org

Drops file in Windows directory 2 IoCs

Processes:

d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe

description	ioc	process
File created	C:\Windows\Tasks\hnbbutp.job	d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe
File opened for modification	C:\Windows\Tasks\hnbbutp.job	d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5084 3736 WerFault.exe d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe

pid	pid_target	process	target process
5084	3736	WerFault.exe	d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe

pid	process
3736	d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe
3736	d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe

C:\Users\Admin\AppData\Local\Temp\d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe
"C:\Users\Admin\AppData\Local\Temp\d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3736 -s 948
  2⤵
  - Program crash
  PID:5084

C:\ProgramData\gagmo\hnbbutp.exe
C:\ProgramData\gagmo\hnbbutp.exe start
1⤵
- Executes dropped EXE
PID:1704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3736 -ip 3736
1⤵
PID:1784

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\gagmo\hnbbutp.exe

MD5
cbdfe40fef7a9604064f8494f73e49bc

SHA1
09bf2fcb2f8c54e752eb5a10f2b6fc66d584b43e

SHA256
d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415

SHA512
bee9514bd26fa31ba4977c4088d584884861dba4a9e69264e95a1fc5804edde3310ddc07f762d9908cfbf8c6436a32bd4b7539ac254913b2fa97c528bf1238dd

Download Submit
C:\ProgramData\gagmo\hnbbutp.exe

MD5
cbdfe40fef7a9604064f8494f73e49bc

SHA1
09bf2fcb2f8c54e752eb5a10f2b6fc66d584b43e

SHA256
d64a8cba1785faf9616ffe7a982ab013432b23aef75bd097d4f75dbe79ad2415

SHA512
bee9514bd26fa31ba4977c4088d584884861dba4a9e69264e95a1fc5804edde3310ddc07f762d9908cfbf8c6436a32bd4b7539ac254913b2fa97c528bf1238dd

Download Submit
memory/1704-135-0x0000000000400000-0x00000000047B7000-memory.dmp

Filesize
67.7MB

Download
memory/3736-130-0x0000000000030000-0x0000000000036000-memory.dmp

Filesize
24KB

Download
memory/3736-131-0x00000000001C0000-0x00000000001C9000-memory.dmp

Filesize
36KB

Download
memory/3736-132-0x0000000000400000-0x00000000047B7000-memory.dmp

Filesize
67.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads