MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a5f37ff394af7a750b1933c3e77b927043e933bfa715c917c824fbc645c940c. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments

SHA256 hash: 4a5f37ff394af7a750b1933c3e77b927043e933bfa715c917c824fbc645c940c
SHA3-384 hash: c545e9349067baef36b2e479d1936806c2dd7428d5241e1fd627cb1165216c18bf472f463f5f263cc9595dfd80c9df04
SHA1 hash: 407852c802d47e368f8e92a14c3b107eb34ec68b
MD5 hash: e213401158fcd632f758cd8bda224c7a
humanhash: zebra-network-steak-pasta
File name:resource.dll
Download: download sample
Signature BazaLoader
File size:421'376 bytes
First seen:2021-12-07 23:28:49 UTC
Last seen:2021-12-08 01:35:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d4755b9a9aec93c05c955ca11140bdc5 (8 x BazaLoader, 3 x IcedID)
ssdeep 12288:u/7JaU00nZM7ct5bfWf59PbHRE0QKQpq5XN+46YCAj:uDJznZ2cTbSrO0QKQpq5XNOAj
Threatray 24 similar samples on MalwareBazaar
TLSH T154948D78AB5808E5C7EAD776456B39F4637332D30AC39E9D019D73C20E2B3626F59A04
Reporter N3utralZ0ne
Tags:BazaLoader exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
resource.dll
Verdict:
No threats detected
Analysis date:
2021-12-07 23:33:00 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
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
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:
evad
Score:
68 / 100
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 535999 Sample: resource.dll Startdate: 08/12/2021 Architecture: WINDOWS Score: 68 30 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->30 7 loaddll64.exe 1 2->7         started        9 rundll32.exe 2->9         started        process3 process4 11 rundll32.exe 13 7->11         started        15 cmd.exe 1 7->15         started        17 rundll32.exe 7->17         started        19 4 other processes 7->19 dnsIp5 28 87.120.37.71, 443, 49734 NETERRA-ASBG Bulgaria 11->28 32 System process connects to network (likely due to code injection or exploit) 11->32 34 Writes to foreign memory regions 11->34 36 Allocates memory in foreign processes 11->36 38 2 other signatures 11->38 21 chrome.exe 13 11->21         started        24 rundll32.exe 15->24         started        signatures6 process7 dnsIp8 26 87.120.37.64, 443, 49867 NETERRA-ASBG Bulgaria 21->26
Threat name:
Win64.Trojan.BazarLoader
Status:
Malicious
First seen:
2021-12-07 23:29:10 UTC
File Type:
PE+ (Dll)
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
bazarloader
Score:
  10/10
Tags:
family:bazarloader dropper loader
Behaviour
Blocklisted process makes network request
Bazar/Team9 Loader payload
Bazar Loader
Unpacked files
SH256 hash:
4a5f37ff394af7a750b1933c3e77b927043e933bfa715c917c824fbc645c940c
MD5 hash:
e213401158fcd632f758cd8bda224c7a
SHA1 hash:
407852c802d47e368f8e92a14c3b107eb34ec68b
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.

Comments