MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ea46ac64f5af7bb295a8b784738fc11fc0fde1543d7da43c0f97f88950185c4. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: 8ea46ac64f5af7bb295a8b784738fc11fc0fde1543d7da43c0f97f88950185c4
SHA3-384 hash: 31f3763e7730f8b2cd90418d373d9d3e3429fb7d93f60f874e75f003fcac8ff72c18486ce4a8be6a8da9811cf54af5c6
SHA1 hash: 56b71f91e7a1455c530751d254c81d184a15dc4d
MD5 hash: e3e05d75c47fdb8a7a0941874fc11d06
humanhash: three-batman-double-bulldog
File name:StNsbaY.dat
Download: download sample
Signature BazaLoader
File size:481'809 bytes
First seen:2021-08-27 18:12:43 UTC
Last seen:2021-08-27 18:52:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 35890417b8426ce9add593489cc763e0 (5 x BazaLoader)
ssdeep 6144:JfhK4Oe8t9VVXESXclLbMD7CjcQJLSoxhKSwZHNKt6rAE4Div6qjtyFBO:ROJ3MlfMD7CVL9hgjMpEMmy2
Threatray 65 similar samples on MalwareBazaar
TLSH T15BA4AF8A9591A247FED58C79DCD8F1D2C6837B395D3ADAF37CE4E03068281A4D89B113
Reporter malware_traffic
Tags:BazaLoader BazarLoader dll exe


Avatar
malware_traffic
Run method: rundll32.exe [filename],StartW

Intelligence


File Origin
# of uploads :
2
# of downloads :
284
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
StNsbaY.dat
Verdict:
Malicious activity
Analysis date:
2021-08-26 22:21:18 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Transferring files using the Background Intelligent Transfer Service (BITS)
Connection attempt
Sending a custom TCP request
Launching a process
Sending a UDP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Malware family:
BazarBackdoor
Verdict:
Malicious
Result
Threat name:
Bazar Loader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Detected Bazar Loader
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sets debug register (to hijack the execution of another thread)
Sigma detected: CobaltStrike Load by Rundll32
Sigma detected: Regsvr32 Command Line Without DLL
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Tries to resolve many domain names, but no domain seems valid
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 472985 Sample: StNsbaY.dat Startdate: 27/08/2021 Architecture: WINDOWS Score: 100 33 eravvi.bazar 2->33 35 ekwyom.bazar 2->35 37 16 other IPs or domains 2->37 61 Multi AV Scanner detection for submitted file 2->61 63 Sigma detected: CobaltStrike Load by Rundll32 2->63 65 Sigma detected: Suspicious Svchost Process 2->65 67 Sigma detected: Regsvr32 Command Line Without DLL 2->67 8 loaddll64.exe 15 2->8         started        11 rundll32.exe 2->11         started        13 rundll32.exe 2->13         started        signatures3 69 Detected Bazar Loader 35->69 71 Tries to resolve many domain names, but no domain seems valid 35->71 process4 signatures5 73 Contains functionality to inject code into remote processes 8->73 75 Sets debug register (to hijack the execution of another thread) 8->75 77 Writes to foreign memory regions 8->77 79 4 other signatures 8->79 15 regsvr32.exe 14 8->15         started        19 iexplore.exe 1 75 8->19         started        21 cmd.exe 1 8->21         started        23 6 other processes 8->23 process6 dnsIp7 51 94.140.112.22, 443, 49722, 49738 TELEMACHBroadbandAccessCarrierServicesSI Latvia 15->51 53 System process connects to network (likely due to code injection or exploit) 15->53 55 Allocates memory in foreign processes 15->55 57 Modifies the context of a thread in another process (thread injection) 15->57 59 2 other signatures 15->59 25 svchost.exe 15->25         started        29 iexplore.exe 159 19->29         started        31 rundll32.exe 21->31         started        signatures8 process9 dnsIp10 39 yzygvi.bazar 25->39 41 yzwyyw.bazar 25->41 47 213 other IPs or domains 25->47 81 System process connects to network (likely due to code injection or exploit) 25->81 83 Detected Bazar Loader 25->83 43 geolocation.onetrust.com 104.20.185.68, 443, 49713, 49714 CLOUDFLARENETUS United States 29->43 45 outbrain.map.fastly.net 151.101.14.132, 443, 49731, 49732 FASTLYUS United States 29->45 49 9 other IPs or domains 29->49 signatures11 85 Tries to resolve many domain names, but no domain seems valid 41->85
Threat name:
Win64.Trojan.Kryplod
Status:
Malicious
First seen:
2021-08-27 00:52:41 UTC
AV detection:
6 of 43 (13.95%)
Threat level:
  5/5
Result
Malware family:
bazarbackdoor
Score:
  10/10
Tags:
family:bazarbackdoor backdoor
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Bazar/Team9 Backdoor payload
BazarBackdoor
Unpacked files
SH256 hash:
8ea46ac64f5af7bb295a8b784738fc11fc0fde1543d7da43c0f97f88950185c4
MD5 hash:
e3e05d75c47fdb8a7a0941874fc11d06
SHA1 hash:
56b71f91e7a1455c530751d254c81d184a15dc4d
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