MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b64b3219e447c13440ca2f800705d25b03f1ce27e214edad3cb240a34b36862b. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments

SHA256 hash: b64b3219e447c13440ca2f800705d25b03f1ce27e214edad3cb240a34b36862b
SHA3-384 hash: 7e8260282d736a519a43a86fb04988f47b574644c2026be455487010b116e1e91a0532c99e25d9f472417ec3a1452377
SHA1 hash: 64c834f8f9ad3cb29d130cb7ecc4391b66564fab
MD5 hash: 55922c6593c45f82475ea814545e6a9e
humanhash: magnesium-pennsylvania-pasta-rugby
File name:macosx.dll
Download: download sample
File size:269'824 bytes
First seen:2021-12-29 01:25:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4755b9a9aec93c05c955ca11140bdc5 (8 x BazaLoader, 3 x IcedID)
ssdeep 6144:qSSIj+ZeijJh9gd+ZBLxEgOBo9UnQ7cPWa:r3/idWmLpO0UnQ7h
Threatray 191 similar samples on MalwareBazaar
TLSH T18F44AE58FE9414F4DABBD67589972C6A727335720B82DE9E0358B3F21F27361AF06900
Reporter Anonymous
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
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 01:32:01 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
DNS request
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
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:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 546100 Sample: macosx.dll Startdate: 29/12/2021 Architecture: WINDOWS Score: 80 74 Sigma detected: UNC2452 Process Creation Patterns 2->74 76 Sigma detected: Suspicious Call by Ordinal 2->76 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        86 Writes to foreign memory regions 12->86 88 Modifies the context of a thread in another process (thread injection) 12->88 90 Injects a PE file into a foreign processes 12->90 24 chrome.exe 12->24         started        26 cmd.exe 1 12->26         started        28 cmd.exe 1 12->28         started        process5 signatures6 30 cmd.exe 1 17->30         started        78 Uses ping.exe to sleep 19->78 80 Uses cmd line tools excessively to alter registry or file data 19->80 82 Uses ping.exe to check the status of other devices and networks 19->82 33 rundll32.exe 19->33         started        35 cmd.exe 1 24->35         started        37 reg.exe 1 26->37         started        39 conhost.exe 26->39         started        41 conhost.exe 28->41         started        43 reg.exe 1 28->43         started        process7 signatures8 94 Uses ping.exe to sleep 30->94 45 rundll32.exe 30->45         started        47 PING.EXE 1 30->47         started        50 conhost.exe 30->50         started        96 Uses cmd line tools excessively to alter registry or file data 35->96 52 conhost.exe 35->52         started        54 reg.exe 35->54         started        process9 dnsIp10 56 cmd.exe 1 45->56         started        59 cmd.exe 1 45->59         started        72 192.0.2.178 unknown Reserved 47->72 process11 signatures12 84 Uses cmd line tools excessively to alter registry or file data 56->84 61 reg.exe 1 1 56->61         started        64 conhost.exe 56->64         started        66 rundll32.exe 59->66         started        68 conhost.exe 59->68         started        70 timeout.exe 1 59->70         started        process13 signatures14 92 Creates an autostart registry key pointing to binary in C:\Windows 61->92
Threat name:
Win64.Trojan.BazarLoader
Status:
Malicious
First seen:
2021-12-28 23:10:05 UTC
File Type:
PE+ (Dll)
Extracted files:
1
AV detection:
13 of 43 (30.23%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Unpacked files
SH256 hash:
b64b3219e447c13440ca2f800705d25b03f1ce27e214edad3cb240a34b36862b
MD5 hash:
55922c6593c45f82475ea814545e6a9e
SHA1 hash:
64c834f8f9ad3cb29d130cb7ecc4391b66564fab
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:SPLCrypt
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

Comments