MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 258ad65c676c26e608f331bc538a985fd4ac019c6ca4229e4e197acaa93d82c4. 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


BazaLoader


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 258ad65c676c26e608f331bc538a985fd4ac019c6ca4229e4e197acaa93d82c4
SHA3-384 hash: f1f85220505b1504b2c92caafaa721fa5b969ca76a55fb378a25483e27256d44b9d8c04d1a71ceb7b93c910e57446aa0
SHA1 hash: b1b29fff6348b805851513ce8812990a2f5a4e39
MD5 hash: 81e6dcf2510ffc2400743e912448013f
humanhash: video-item-monkey-double
File name:81e6dcf2510ffc2400743e912448013f
Download: download sample
Signature BazaLoader
Create hunting rule
File size:323'584 bytes
First seen:2021-04-01 17:43:27 UTC
Last seen:2021-04-01 23:04:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bb3b7b74ba5cf43655fdbba213daa5ca (2 x BazaLoader)
ssdeep 6144:4hzyPKlU/jriw3T2ZWAz7aFnFLbUkMHEdlFzMKVEyMWAF:AOCqZU81i9W
Threatray 133 similar samples on MalwareBazaar
TLSH EE648C4A735154B8E35A83358842F5D697A1BC3D4AA0E34FD238BA365E332939D3721F
Reporter Cryptolaemus1
Tags:BazaLoader BazarCall BazarLoader exe openfield

Intelligence

File Origin
# of uploads :
3
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
81e6dcf2510ffc2400743e912448013f
Verdict:
No threats detected
Analysis date:
2021-04-01 18:22:15 UTC
Tags:
installer
Link:
https://app.any.run/tasks/b6a84f87-7463-4f38-ac0f-337b690bf628

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/131477/
Detection(s):
SecuriteInfo.com..14012.10136.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Changing a file
Sending a custom TCP request
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
Result
Verdict:
SUSPICIOUS
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:
Bazar Loader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/662600
Signature
Creates multiple autostart registry keys
Detected Bazar Loader
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to resolve many domain names, but no domain seems valid
Uses cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 380229 Sample: IU7lKa778w Startdate: 01/04/2021 Architecture: WINDOWS Score: 76 66 dfhhkldnjhko.bazar 2->66 68 cceikmckgikp.bazar 2->68 70 12 other IPs or domains 2->70 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 12 IU7lKa778w.exe 25 2->12         started        14 cmd.exe 1 2->14         started        17 cmd.exe 1 2->17         started        19 2 other processes 2->19 signatures3 83 Detected Bazar Loader 68->83 85 Tries to resolve many domain names, but no domain seems valid 68->85 process4 signatures5 21 cmd.exe 1 12->21         started        103 Uses cmd line tools excessively to alter registry or file data 14->103 25 reg.exe 1 1 14->25         started        27 D0B4AE1.exe 16 14->27         started        29 conhost.exe 14->29         started        31 D0B4AE1.exe 16 17->31         started        33 conhost.exe 17->33         started        35 reg.exe 1 17->35         started        process6 dnsIp7 72 8.8.7.7 GOOGLEUS United States 21->72 87 Uses ping.exe to sleep 21->87 89 Uses cmd line tools excessively to alter registry or file data 21->89 91 Uses ping.exe to check the status of other devices and networks 21->91 37 IU7lKa778w.exe 17 21->37         started        40 conhost.exe 21->40         started        42 PING.EXE 1 21->42         started        93 Creates multiple autostart registry keys 25->93 signatures8 process9 file10 64 C:\Users\user\AppData\Local\...\D0B4AE1.exe, PE32+ 37->64 dropped 44 cmd.exe 1 37->44         started        process11 signatures12 101 Uses ping.exe to sleep 44->101 47 D0B4AE1.exe 1 16 44->47         started        50 conhost.exe 44->50         started        52 PING.EXE 1 44->52         started        process13 signatures14 105 Detected Bazar Loader 47->105 107 Creates multiple autostart registry keys 47->107 54 cmd.exe 1 47->54         started        process15 signatures16 95 Uses ping.exe to sleep 54->95 57 D0B4AE1.exe 16 54->57         started        60 conhost.exe 54->60         started        62 PING.EXE 1 54->62         started        process17 dnsIp18 74 efehilenghio.bazar 57->74 77 eefhimemhhip.bazar 57->77 79 42 other IPs or domains 57->79 signatures19 97 Detected Bazar Loader 77->97 99 Tries to resolve many domain names, but no domain seems valid 77->99
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/258ad65c676c26e608f331bc538a985fd4ac019c6ca4229e4e197acaa93d82c4/
Threat name:
Win64.Infostealer.Dridex
Create hunting rule
Status:
Malicious
First seen:
2021-04-01 17:44:15 UTC
AV detection:
7 of 29 (24.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewfnmxdhnqtomchtgg6fhcuyl7kkyam4nsscfhsodf5mvkj5qlca._file
Verdict:
malicious
Similar samples:
05ce34031e655fdcea117c738f83a823109f3c9d17db39315fadeceb44ab7068
BazaLoader
0fb8a792dd48796bac2d508c1928aa539ced639ea99a5e2c9d6e2be5a7e82d43
BazaLoader
1a11f48cbdd0a8f256f4940d8e8dcf0ead80cbfdb6d6dd87c8b9b945c4051631
BazaLoader
1d921a846347be4c8cefbbf0449a40710408ecccf5cbbf99a0f8e41acb78881e
BazaLoader
3dbab512123a36954684474e9a9f5502aa9edf0228a4df8f0cb33e328890d33b
BazaLoader
73bb27d72c97502d1c865e8d92870cac41c68e00f00084f6cc8de6bc43275a5b
BazaLoader
c38f9b32dc3e0632662c159f599972a9f800194b10d6486a6cf8de699aa611fc
BazaLoader
cae79d8ceb527eb8367b1df9e916718e4329d2768ed0b7e61f7c406af9d21f31
BazaLoader
d362c83e5a6701f9ae70c16063d743ea9fe6983d0c2b9aa2c2accf2d8ba5cb38
BazaLoader
f266bc35f9a52d2dc6e63fab03f8a6aab989639b9920e2afe5d2d4517340d3c9
BazaLoader
+ 123 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210401-st7sfkvavx/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
258ad65c676c26e608f331bc538a985fd4ac019c6ca4229e4e197acaa93d82c4
MD5 hash:
81e6dcf2510ffc2400743e912448013f
SHA1 hash:
b1b29fff6348b805851513ce8812990a2f5a4e39
Link:
https://www.unpac.me/results/374ee930-a156-4c2e-9e67-b68adb1f783d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/258ad65c676c26e608f331bc538a985fd4ac019c6ca4229e4e197acaa93d82c4

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
Create hunting rule
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT

File information

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

Web download

BazaLoader

Executable exe 258ad65c676c26e608f331bc538a985fd4ac019c6ca4229e4e197acaa93d82c4

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/131477/
  
URLhaus
https://urlhaus.abuse.ch/url/1101165/
  
Delivery method
Distributed via web download

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