MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c931b869f7240e5262c442ccc7317e4aef51f219457fffcba143be0d189d90f4. 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



BazarCall


Vendor detections: 6


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: c931b869f7240e5262c442ccc7317e4aef51f219457fffcba143be0d189d90f4
SHA3-384 hash: 018bf9662fbead0ee83d90361ebfedb6f8da4cbb10442526e9d117c1ffe6093a67e27aba2d188fab929b17feb818ee6a
SHA1 hash: 26d9733bd8f3483d6a1d7431635604bbcaa3c8cc
MD5 hash: fdabedcd2bbcaef317bc3fef55a23e0f
humanhash: oranges-vegan-hawaii-pizza
File name:SecuriteInfo.com.UDS.Trojan.Win32.Bsymem.19574.1186
Download: download sample
Signature BazarCall
File size:220'672 bytes
First seen:2021-03-27 02:09:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61625f7cd751158a548e93b7610c4cd3 (1 x BazarCall)
ssdeep 3072:8srzUQBNtFOKWjJYgL5+mwaTelkpqKwt2rodIOLh+DOsVQZB0GrfddpnZ6LsPD:8sNBTlWjUmwdrviodIOtOOsVQlJ7
Threatray 201 similar samples on MalwareBazaar
TLSH 8A24E08162D094FEC477A4788DE30F57E376BC244776A3DF126592590B237E9AABC320
Reporter SecuriteInfoCom
Tags:BazarCall

Intelligence


File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.UDS.Trojan.Win32.Bsymem.19574.1186
Verdict:
No threats detected
Analysis date:
2021-03-27 02:11:33 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
BazarBackdoor
Verdict:
Malicious
Result
Threat name:
Bazar Loader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected Bazar Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 376805 Sample: SecuriteInfo.com.UDS.Trojan... Startdate: 27/03/2021 Architecture: WINDOWS Score: 100 91 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->91 93 Yara detected Bazar Loader 2->93 14 loaddll64.exe 1 2->14         started        16 rundll32.exe 16 2->16         started        18 rundll32.exe 16 2->18         started        process3 process4 20 rundll32.exe 25 14->20         started        23 cmd.exe 1 14->23         started        25 rundll32.exe 16 14->25         started        signatures5 99 Contains functionality to inject code into remote processes 20->99 27 cmd.exe 1 20->27         started        101 Uses ping.exe to sleep 23->101 103 Uses ping.exe to check the status of other devices and networks 23->103 31 rundll32.exe 16 23->31         started        33 cmd.exe 1 25->33         started        process6 dnsIp7 87 8.8.7.7 GOOGLEUS United States 27->87 115 Uses ping.exe to sleep 27->115 35 rundll32.exe 17 27->35         started        38 conhost.exe 27->38         started        40 PING.EXE 1 27->40         started        42 cmd.exe 1 31->42         started        45 conhost.exe 33->45         started        47 PING.EXE 1 33->47         started        49 rundll32.exe 33->49         started        signatures8 process9 file10 83 C:\Users\user\AppData\Local\...\S6M15D3.dll, PE32+ 35->83 dropped 51 cmd.exe 1 35->51         started        113 Uses ping.exe to sleep 42->113 54 conhost.exe 42->54         started        56 PING.EXE 1 42->56         started        58 rundll32.exe 42->58         started        signatures11 process12 signatures13 95 Uses ping.exe to sleep 51->95 60 rundll32.exe 1 16 51->60         started        63 conhost.exe 51->63         started        65 PING.EXE 1 51->65         started        process14 signatures15 117 Creates an autostart registry key pointing to binary in C:\Windows 60->117 67 cmd.exe 1 60->67         started        process16 signatures17 97 Uses ping.exe to sleep 67->97 70 rundll32.exe 1 16 67->70         started        74 conhost.exe 67->74         started        76 PING.EXE 1 67->76         started        process18 dnsIp19 85 3.8.31.96, 443, 49718 AMAZON-02US United States 70->85 105 System process connects to network (likely due to code injection or exploit) 70->105 107 Writes to foreign memory regions 70->107 109 Allocates memory in foreign processes 70->109 111 3 other signatures 70->111 78 cmd.exe 1 70->78         started        signatures20 process21 dnsIp22 89 18.202.19.161, 443, 49720, 49728 AMAZON-02US United States 78->89 81 conhost.exe 78->81         started        process23
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Adds Run key to start application
Loads dropped DLL
Blocklisted process makes network request
Unpacked files
SH256 hash:
c931b869f7240e5262c442ccc7317e4aef51f219457fffcba143be0d189d90f4
MD5 hash:
fdabedcd2bbcaef317bc3fef55a23e0f
SHA1 hash:
26d9733bd8f3483d6a1d7431635604bbcaa3c8cc
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:Cobalt_functions
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:win_bazarbackdoor_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Web download

BazarCall

Executable exe c931b869f7240e5262c442ccc7317e4aef51f219457fffcba143be0d189d90f4

(this sample)

  
Delivery method
Distributed via web download

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