MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 142d21e1c1d4b09bd1853f009c1e4bae0e3f4dcff9f9fe8d55e4cc5456d20971. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



SystemBC


Vendor detections: 14


Intelligence 14 IOCs YARA 6 File information Comments

SHA256 hash: 142d21e1c1d4b09bd1853f009c1e4bae0e3f4dcff9f9fe8d55e4cc5456d20971
SHA3-384 hash: 68741a4737de10abcad6f2d1d7a6f250a24410d5f9a4c141e4ae20cd0c98e7b54174163b6757931f13b783fdfd91d751
SHA1 hash: 1d0b138eaedea0562284741f3028e3adbf3a2f79
MD5 hash: 66b2d7c88954a2afe07b15d0f6093c25
humanhash: sink-aspen-saturn-stream
File name:66b2d7c88954a2afe07b15d0f6093c25.exe
Download: download sample
Signature SystemBC
File size:235'008 bytes
First seen:2022-03-27 17:14:32 UTC
Last seen:2022-03-27 17:44:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash db9d63801b52e5f18d5dc80c5fed99ce (2 x SystemBC, 2 x Stop, 2 x Worm.Ramnit)
ssdeep 1536:O+ujKwZ8hdztAwqwFAlqPysCDl4JrqWKkmc5pLo9jtA3aVz57R1VQ9Li05jzz:O+m9ZYH0gOSr9fM9pXF57/VQ9LZjf
Threatray 76 similar samples on MalwareBazaar
TLSH T18E34CF223590D471C897553178A4CBB19F29A8328FA6488B7BAD177E2F303C157B63DB
File icon (PE):PE icon
dhash icon 5c59da3ce0c3c850 (12 x Stop, 11 x RedLineStealer, 8 x Smoke Loader)
Reporter abuse_ch
Tags:exe SystemBC

Intelligence


File Origin
# of uploads :
2
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file
Creating a process from a recently created file
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
SystemUptime
MeasuringTime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm greyware
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
SystemBC
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May use the Tor software to hide its network traffic
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect virtualization through RDTSC time measurements
Yara detected SystemBC
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Systembc
Status:
Malicious
First seen:
2022-03-27 12:42:06 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Result
Malware family:
systembc
Score:
  10/10
Tags:
family:systembc suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Looks up external IP address via web service
Downloads MZ/PE file
Executes dropped EXE
SystemBC
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Win32/SystemBC CnC Checkin
Malware Config
C2 Extraction:
31.44.185.6:4001
31.44.185.11:4001
Unpacked files
SH256 hash:
b432805eb6b2b58dd957481aa8a973be58915c26c04630ce395753c6a5196b14
MD5 hash:
5403c11319b16a89e7665141f8bff9fb
SHA1 hash:
9c9ae4bdf521749f23267644e7346f7ee2ad98ab
Detections:
win_systembc_g0 win_systembc_auto
SH256 hash:
142d21e1c1d4b09bd1853f009c1e4bae0e3f4dcff9f9fe8d55e4cc5456d20971
MD5 hash:
66b2d7c88954a2afe07b15d0f6093c25
SHA1 hash:
1d0b138eaedea0562284741f3028e3adbf3a2f79
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:MALWARE_Win_EXEPWSH_DLAgent
Author:ditekSHen
Description:Detects SystemBC
Rule name:MiniTor
Author:@bartblaze
Description:Identifies MiniTor implementation as seen in SystemBC and Parallax RAT.
Reference:https://news.sophos.com/en-us/2020/12/16/systembc/
Rule name:Start2_net_mem
Author:James_inthe_box
Description:SystemBC
Reference:7bd341488dc6f01a6662ac478d67d3cd8211cbf362994355027b5bdf573cc31e
Rule name:Start2_overlap_mem
Author:James_inthe_box
Description:SystemBC
Reference:7bd341488dc6f01a6662ac478d67d3cd8211cbf362994355027b5bdf573cc31e
Rule name:SystemBC_Config
Author:@bartblaze
Description:Identifies SystemBC RAT, decrypted config.
Rule name:win_systembc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.systembc.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

SystemBC

Executable exe 142d21e1c1d4b09bd1853f009c1e4bae0e3f4dcff9f9fe8d55e4cc5456d20971

(this sample)

  
Delivery method
Distributed via web download

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