MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131. 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: 16

Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash:	c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131
SHA3-384 hash:	79a1c022838d0904e9b49a8d1a20d58be768ebe266d52c21c5e498f4b68c8f8c6d759bc7684f801a6f665a4c72c073bd
SHA1 hash:	fceb12a205c28c30b2049c55924a9872a1a3eb71
MD5 hash:	190272ebd2e82a80b242b1bdd442b859
humanhash:	whiskey-uranus-yankee-papa
File name:	cubrodriver.exe
Download:	download sample
Signature	SystemBC Create hunting rule
File size:	1'732'808 bytes
First seen:	2025-03-07 18:05:27 UTC
Last seen:	2025-03-14 09:17:34 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:Kq8Z+aOhmX72hf7OqockKkGYR7SGmUNmzKZg:yAaEhhyJcjkdNmeZg
TLSH	T1EC85333611E8B590C8E88633C5A1B6359961F3B376E146380875DF7DB27CABDA09B331
TrID	28.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 25.5% (.EXE) Win32 Executable (generic) (4504/4/1) 11.6% (.ICL) Windows Icons Library (generic) (2059/9) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	abuse_ch
Tags:	exe SystemBC

abuse_ch

SystemBC botnet C2:
towerbingobongoboom.com:4086 (213.209.150.137)

Intelligence

File Origin

# of uploads :

# of downloads :

460

Origin country :

Vendor Threat Intelligence

Malware family:

systembc

ID:

File name:

cubrodriver.exe

Verdict:

Malicious activity

Analysis date:

2025-03-06 20:40:26 UTC

Tags:

tas17 themida systembc proxyware

Link:

https://app.any.run/tasks/7d197f58-774f-4110-b248-6edd67e1dbbc

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Clean

Score:

89.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67ca0839c8d04e92a4bf770e

Tags:

n/a

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

Creating a window

Creating a file

Creating a process from a recently created file

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masm obfuscated obsidium packed packed packer_detected

Link:

https://www.filescan.io/uploads/67cb359ab32a56d0c2cee0db/reports/4b5ff988-d4c6-44fa-97b8-f85a82c3fa33/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131

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.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/18f65d1e-c9c0-4133-9169-3c33e1648a07

Result

Threat name:

SystemBC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1632144

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Found malware configuration

Hides threads from debuggers

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Potentially malicious time measurement code found

Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)

Tries to detect sandboxes / dynamic malware analysis system (registry check)

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Yara detected SystemBC

Behaviour

Behavior Graph:

Download SVG

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131/

Threat name:

Win32.Trojan.Coroxy

Status:

Malicious

First seen:

2025-03-06 20:40:28 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 38 (63.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ye6vtxbor3q4xw4ac3pa7m5tot4coqdpuxjndkskfaqbocaw2eyq._file

Result

Malware family:

systembc

Score:

10/10

Tags:

family:systembc defense_evasion discovery trojan

Link:

https://tria.ge/reports/250307-wpsk3at1as/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Drops file in Windows directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks BIOS information in registry

Executes dropped EXE

Identifies Wine through registry keys

Identifies VirtualBox via ACPI registry values (likely anti-VM)

SystemBC

Systembc family

Malware Config

C2 Extraction:

towerbingobongoboom.com
62.60.226.86

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/2603f722-f557-4528-9634-bde0267cb35b

Unpacked files

SH256 hash:

c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131

MD5 hash:

190272ebd2e82a80b242b1bdd442b859

SHA1 hash:

fceb12a205c28c30b2049c55924a9872a1a3eb71

Link:

https://www.unpac.me/results/a08a77f7-ca27-4193-8edc-8846587623e3/

SH256 hash:

d58b31d7bda1fb5353627c8f9925f17eb3c8872bfd3def2646d27d9bf6977390

MD5 hash:

55ad85bd08bdc85a11f848d9b9830324

SHA1 hash:

82583160c817ef0cebb711b924438b34da39eeb5

Detections:

win_systembc_g1

SystemBC

Link:

https://www.unpac.me/results/a08a77f7-ca27-4193-8edc-8846587623e3/

Malware family:

SystemBC

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c13d59dc2e8e/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

SystemBC

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131

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:	meth_peb_parsing Create hunting rule
Author:	Willi Ballenthin

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

SystemBC

exe c13d59dc2e8ee1cbdb8016de0fb3b374f827406fa5d2d1aa4a2820170816d131

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3470633/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Comments

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