MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b75c337a0fb7eb49ec34d6d313a612e93dc4180a8bf25f99fd7b10ea1077e8e1. 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


Threat unknown


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b75c337a0fb7eb49ec34d6d313a612e93dc4180a8bf25f99fd7b10ea1077e8e1
SHA3-384 hash: 1750415f0b9a24f822ed9902415a817ad9c2b92790b727cb7819ba9e2c4ef944ac95fa6f1d517682d92d90cd6aed646e
SHA1 hash: 1d460c0f5a69be50f76f0fbc022ffd2d24213deb
MD5 hash: a3644b79bb1ce2fe044fb4ad8dea13d0
humanhash: red-moon-glucose-batman
File name:macosx.dll
Download: download sample
File size:269'824 bytes
First seen:2021-12-29 01:25:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4755b9a9aec93c05c955ca11140bdc5 (8 x BazaLoader, 3 x IcedID)
ssdeep 6144:dr2Xa2Zp6jJh9gd+ZBLrAEgOBo9UnQ7cPWa:k16dWmLEO0UnQ7h
Threatray 166 similar samples on MalwareBazaar
TLSH T18E449E58FE9414F4DABBD63589972D6A727335720B83DE9E0358B3E61F27361AF06800
Reporter Anonymous
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
macosx.dll
Verdict:
No threats detected
Analysis date:
2021-12-29 01:31:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2ba3175d-76ef-44d3-8b59-6db778af172b

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/216757/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/61cbb99dec6c6c14a9fa51e1/reports/b231359f-5f83-431b-803b-2eefd78e511a/overview
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:
Unknown
Link:
https://analyze.intezer.com/analyses/fb9781e2-8566-4a64-9931-24fe44e718e0
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/913617
Signature
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)
Sigma detected: Suspicious Call by Ordinal
Sigma detected: UNC2452 Process Creation Patterns
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546095 Sample: macosx.dll Startdate: 29/12/2021 Architecture: WINDOWS Score: 88 71 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->71 73 Sigma detected: UNC2452 Process Creation Patterns 2->73 75 Sigma detected: Suspicious Call by Ordinal 2->75 10 loaddll64.exe 1 2->10         started        12 rundll32.exe 2->12         started        15 rundll32.exe 2->15         started        process3 signatures4 17 rundll32.exe 10->17         started        19 cmd.exe 1 10->19         started        22 rundll32.exe 10->22         started        89 Writes to foreign memory regions 12->89 91 Modifies the context of a thread in another process (thread injection) 12->91 93 Injects a PE file into a foreign processes 12->93 24 cmd.exe 1 12->24         started        26 cmd.exe 1 12->26         started        28 chrome.exe 12->28         started        process5 signatures6 30 cmd.exe 1 17->30         started        77 Uses ping.exe to sleep 19->77 79 Uses cmd line tools excessively to alter registry or file data 19->79 81 Uses ping.exe to check the status of other devices and networks 19->81 32 rundll32.exe 19->32         started        34 reg.exe 1 24->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        40 reg.exe 1 26->40         started        42 cmd.exe 1 28->42         started        process7 process8 44 rundll32.exe 30->44         started        46 conhost.exe 30->46         started        48 choice.exe 1 30->48         started        50 conhost.exe 42->50         started        process9 52 cmd.exe 1 44->52         started        55 cmd.exe 1 44->55         started        signatures10 83 Uses cmd line tools excessively to alter registry or file data 52->83 57 reg.exe 1 1 52->57         started        60 conhost.exe 52->60         started        85 Uses ping.exe to sleep 55->85 62 PING.EXE 1 55->62         started        65 rundll32.exe 55->65         started        67 conhost.exe 55->67         started        process11 dnsIp12 87 Creates an autostart registry key pointing to binary in C:\Windows 57->87 69 127.0.0.1 unknown unknown 62->69 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b75c337a0fb7eb49ec34d6d313a612e93dc4180a8bf25f99fd7b10ea1077e8e1/
Threat name:
Win64.Trojan.BazarLoader
Create hunting rule
Status:
Malicious
First seen:
2021-12-28 23:10:21 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
16 of 43 (37.21%)
Threat level:
  5/5
Verdict:
unknown
Similar samples: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 156 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/211229-btke2adabl/
Behaviour
Delays execution with timeout.exe
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
b75c337a0fb7eb49ec34d6d313a612e93dc4180a8bf25f99fd7b10ea1077e8e1
MD5 hash:
a3644b79bb1ce2fe044fb4ad8dea13d0
SHA1 hash:
1d460c0f5a69be50f76f0fbc022ffd2d24213deb
Link:
https://www.unpac.me/results/a93ca35f-b623-47ad-bc04-495eedb9f575/
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/b75c337a0fb7eb49ec34d6d313a612e93dc4180a8bf25f99fd7b10ea1077e8e1

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:SPLCrypt
Create hunting rule
Author:James Quinn, Binary Defense
Description:Identifies SPLCrypt, a new crypter associated with Bazaloader

File information

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

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/216757/

Comments