MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5b32f1cdc2a48f1dd2b1623598c24a2635dc57fdab3b4328f1cb3b66f5079ba. 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 5 File information Comments

SHA256 hash: c5b32f1cdc2a48f1dd2b1623598c24a2635dc57fdab3b4328f1cb3b66f5079ba
SHA3-384 hash: 0fc2a64a31b8b8108884fe3dd33e1d8ecf64a1a95ddbf311666c99bd39f578cab101c4de57bad83286a432f1e2a8c07e
SHA1 hash: 4382f0adb2a94e8a4eccd6aa2d222842000b7895
MD5 hash: 25ed0fce4a9df59b3ed88853db8206f3
humanhash: artist-mockingbird-johnny-jig
File name:SecuriteInfo.com.Win32.RATX-gen.17405.3953
Download: download sample
Signature SystemBC
File size:1'089'536 bytes
First seen:2024-08-16 17:14:48 UTC
Last seen:2025-03-05 08:27:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:o+uySzDesoxGcxOTVeXEUdlrDx2b0xWHVaTDdAuIWEcAt:tDxpU2lrAb0xWHVandAuREcO
Threatray 4'293 similar samples on MalwareBazaar
TLSH T1B835F17B5BA8BA1BC9CDD1F8E026420863F2C30D5117E7476846A4FCA8163C47F76A97
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:185-215-113-209 exe SystemBC

Intelligence


File Origin
# of uploads :
3
# of downloads :
333
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.17405.3953
Verdict:
Malicious activity
Analysis date:
2024-08-16 17:15:32 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Execution Stealth Msil
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
coroxy packed
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
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected SystemBC
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1493982 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 16/08/2024 Architecture: WINDOWS Score: 100 49 claywyaeropumps.com 2->49 53 Found malware configuration 2->53 55 Antivirus detection for URL or domain 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 10 other signatures 2->59 8 SecuriteInfo.com.Win32.RATX-gen.17405.3953.exe 1 5 2->8         started        12 Nvaurnhq.exe 2 2->12         started        14 bretdg.exe 2 2->14         started        16 2 other processes 2->16 signatures3 process4 file5 45 C:\Users\user\AppData\Roaming45vaurnhq.exe, PE32 8->45 dropped 47 C:\Users\...47vaurnhq.exe:Zone.Identifier, ASCII 8->47 dropped 63 Encrypted powershell cmdline option found 8->63 65 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->65 67 Tries to detect virtualization through RDTSC time measurements 8->67 18 SecuriteInfo.com.Win32.RATX-gen.17405.3953.exe 4 8->18         started        21 powershell.exe 22 8->21         started        69 Multi AV Scanner detection for dropped file 12->69 71 Machine Learning detection for dropped file 12->71 73 Injects a PE file into a foreign processes 12->73 24 Nvaurnhq.exe 12->24         started        26 bretdg.exe 14->26         started        29 Nvaurnhq.exe 16->29         started        31 bretdg.exe 16->31         started        signatures6 process7 dnsIp8 37 C:\ProgramData\fnpohtc\bretdg.exe, PE32 18->37 dropped 39 C:\ProgramData\...\bretdg.exe:Zone.Identifier, ASCII 18->39 dropped 61 Loading BitLocker PowerShell Module 21->61 33 conhost.exe 21->33         started        35 WmiPrvSE.exe 21->35         started        41 C:\ProgramData\ogcwf\hegsrjv.exe, PE32 24->41 dropped 43 C:\...\hegsrjv.exe:Zone.Identifier, ASCII 24->43 dropped 51 claywyaeropumps.com 178.132.2.10, 4000, 49706, 49707 WORLDSTREAMNL Netherlands 26->51 file9 signatures10 process11
Threat name:
Win32.Backdoor.Coroxy
Status:
Malicious
First seen:
2024-08-13 03:57:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f0a122b34bfc6db243ae99e18362fcce9ad3dee0d569103e7c07f605ff78b1cc
MD5 hash:
d3bda137c6b0e8deb35b4e47b09114fe
SHA1 hash:
2b26719feeae969154f513d717607b1d4569ae86
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c5b32f1cdc2a48f1dd2b1623598c24a2635dc57fdab3b4328f1cb3b66f5079ba
MD5 hash:
25ed0fce4a9df59b3ed88853db8206f3
SHA1 hash:
4382f0adb2a94e8a4eccd6aa2d222842000b7895
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

SystemBC

Executable exe c5b32f1cdc2a48f1dd2b1623598c24a2635dc57fdab3b4328f1cb3b66f5079ba

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments