MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3783552bf95bc8b30a28c8d590a5081193fd6a690403dfb400c240237c8c956. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: b3783552bf95bc8b30a28c8d590a5081193fd6a690403dfb400c240237c8c956
SHA3-384 hash: 1c89382547ca76167acf59b18cec5f15ae81d91ea7950bb1a3f290f24a419ad72ab25d13741656b6e129112c13055b8a
SHA1 hash: 3e460e0d5ba9e1dd293717b09d1bbcf04a050105
MD5 hash: ede896948113a8f42386fa1572caa8ca
humanhash: pluto-bakerloo-equal-artist
File name:triage_dropped_file
Download: download sample
Signature BazaLoader
File size:284'816 bytes
First seen:2021-09-10 19:32:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bca3ee8a0e3f7bb5fa6ef50a7287a698 (5 x BazaLoader)
ssdeep 3072:BaACsfDoGKOKRj6Yi7NUXn6cN5Va6CrLpnL/1PiLfYLebfU/tSXBXek7F:BaAn8FRj6Yi7N66iuMfYefUVSXRZ7F
Threatray 6 similar samples on MalwareBazaar
TLSH T1A154BF7F90640196FFD68CBCCE4077D7E8A6BAA74F28F5F31D2891621B21AD6C584213
Reporter malwarelabnet
Tags:BazaLoader BazarLoader exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
triage_dropped_file
Verdict:
No threats detected
Analysis date:
2021-09-10 19:33:54 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
Transferring files using the Background Intelligent Transfer Service (BITS)
Connection attempt
Launching a process
Sending a UDP request
Malware family:
BazarBackdoor
Verdict:
Malicious
Result
Threat name:
Bazar Loader
Detection:
malicious
Classification:
spyw.evad
Score:
92 / 100
Signature
Allocates memory in foreign processes
Detected Bazar Loader
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Sample uses process hollowing technique
Sets debug register (to hijack the execution of another thread)
Sigma detected: CobaltStrike Load by Rundll32
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 481436 Sample: triage_dropped_file Startdate: 10/09/2021 Architecture: WINDOWS Score: 92 64 Detected Bazar Loader 2->64 66 Sigma detected: CobaltStrike Load by Rundll32 2->66 68 Sigma detected: Suspicious Svchost Process 2->68 8 loaddll64.exe 1 2->8         started        10 rundll32.exe 2->10         started        12 rundll32.exe 2->12         started        process3 process4 14 cmd.exe 1 8->14         started        16 rundll32.exe 8->16         started        19 iexplore.exe 2 74 8->19         started        22 7 other processes 8->22 dnsIp5 24 rundll32.exe 14 14->24         started        52 System process connects to network (likely due to code injection or exploit) 16->52 54 Allocates memory in foreign processes 16->54 56 Modifies the context of a thread in another process (thread injection) 16->56 58 2 other signatures 16->58 28 svchost.exe 16->28         started        42 192.168.2.1 unknown unknown 19->42 30 iexplore.exe 2 149 19->30         started        signatures6 process7 dnsIp8 44 167.172.37.9, 443, 49799, 49834 DIGITALOCEAN-ASNUS United States 24->44 70 Sets debug register (to hijack the execution of another thread) 24->70 72 Writes to foreign memory regions 24->72 74 Allocates memory in foreign processes 24->74 76 3 other signatures 24->76 32 svchost.exe 24->32         started        46 edge.gycpi.b.yahoodns.net 87.248.118.22, 443, 49821, 49822 YAHOO-DEBDE United Kingdom 30->46 48 dart.l.doubleclick.net 172.217.19.102, 443, 49791, 49792 GOOGLEUS United States 30->48 50 14 other IPs or domains 30->50 signatures9 process10 dnsIp11 36 whitestorm9p.bazar 32->36 38 tonuidem.bazar 32->38 40 21 other IPs or domains 32->40 60 System process connects to network (likely due to code injection or exploit) 32->60 62 Detected Bazar Loader 32->62 signatures12
Threat name:
Win64.Trojan.BazarLoader
Status:
Malicious
First seen:
2021-09-10 19:33:13 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Result
Malware family:
bazarloader
Score:
  10/10
Tags:
family:bazarloader dropper loader
Behaviour
Bazar/Team9 Loader payload
Bazar Loader
Unpacked files
SH256 hash:
b3783552bf95bc8b30a28c8d590a5081193fd6a690403dfb400c240237c8c956
MD5 hash:
ede896948113a8f42386fa1572caa8ca
SHA1 hash:
3e460e0d5ba9e1dd293717b09d1bbcf04a050105
Malware family:
BazarLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments