systembc

General

Target
JaffaCakes118_b4d9f02fa75686adbfd3ee433b4a4203
Size 209KB
Sample250109-arn5rssnbl
SHA256 8163d2dd713dc31d3a0a234985d7dc735d1106783a401ce585508fefc56230dc
MD5 b4d9f02fa75686adbfd3ee433b4a4203
SHA1 2c7d0420ca979ab6faeea5c6fdf7135963f12e87
SHA512 bb5083ddc33af84ef768826b4b20ef3654f044cd1dfee6d81ccca5ed111446fb8c8762fb5c4c0a20ed1da19af7b40d10daf51ecd2b0e273d5ecffc4b29ed91cc
SSDEEP 6144:YDnLgI91y1UkT57iJz/DpURWPSvHuUiYphu1Ua:cnLh9yn52rpUR5vHuRYpM+a
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

systembc

C2

yan0212.com:4039
yan0212.net:4039

Targets

- Target
  JaffaCakes118_b4d9f02fa75686adbfd3ee433b4a4203
- Size 209KB
- SHA256 8163d2dd713dc31d3a0a234985d7dc735d1106783a401ce585508fefc56230dc
- MD5 b4d9f02fa75686adbfd3ee433b4a4203
- SHA1 2c7d0420ca979ab6faeea5c6fdf7135963f12e87
- SHA512 bb5083ddc33af84ef768826b4b20ef3654f044cd1dfee6d81ccca5ed111446fb8c8762fb5c4c0a20ed1da19af7b40d10daf51ecd2b0e273d5ecffc4b29ed91cc
- SSDEEP 6144:YDnLgI91y1UkT57iJz/DpURWPSvHuUiYphu1Ua:cnLh9yn52rpUR5vHuRYpM+a
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

systembc discovery trojan upx
- SystemBC
  SystemBC is a proxy and remote administration tool first seen in 2019.
  trojan systembc
- Systembc family
  systembc
- Executes dropped EXE
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

Systembc family

Executes dropped EXE

Looks up external IP address via web service

UPX packed file

MITRE ATT&CK Enterprise v15

Tasks

static1

behavioral1

behavioral2