MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8948e4e0f392197b1c1436e5f7a2a7bc326c849b6129d8cf287a6d6a03cd642e. 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



AgentTesla


Vendor detections: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 8948e4e0f392197b1c1436e5f7a2a7bc326c849b6129d8cf287a6d6a03cd642e
SHA3-384 hash: b5433ec2d464399e7e0ae2d1068e9549492edbfef0557b985f52297760ed80fb9e877b7d9ca64dd2b372e9f97acb5079
SHA1 hash: 660a24da2ba60704e4bc093b22dd66ff19b6770d
MD5 hash: eb418cc79fca67e60db5625ef121773b
humanhash: single-muppet-california-speaker
File name:REF-091100679-BEC.exe
Download: download sample
Signature AgentTesla
File size:3'578'368 bytes
First seen:2020-07-22 06:40:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7e01edf6e44755e0328837b108f7966d (7 x AgentTesla, 5 x Loki, 3 x NanoCore)
ssdeep 49152:wDblbtLmxAJHJsETnCyxKapNEQmMN/W+ReGNvNuKuuZaeP8p64vCgiitVNic8/FI:wH9YK5CyxKd+oG2Ku4aIneCNmMkdd
Threatray 11'761 similar samples on MalwareBazaar
TLSH 27F51276F1938833C162DA7C4D5BB6799C2ABA111A1C7A42ABE44F8C5F3E14339352C7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.megatroncorp.community
Sending IP: 162.241.205.158
From: NICHAKORN ARJTAKU <birger.erstad@saint-gobain.com>
Subject: REQUEST FOR QUOTATION
Attachment: REF-091100679-BEC.pdf.gz (contains "REF-091100679-BEC.exe")

AgentTesla SMTP exfil server:
mail.hajartrading.net:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249599 Sample: REF-091100679-BEC.exe Startdate: 22/07/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 4 other signatures 2->37 9 REF-091100679-BEC.exe 2->9         started        process3 signatures4 49 Detected unpacking (changes PE section rights) 9->49 51 Detected unpacking (overwrites its own PE header) 9->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->53 55 2 other signatures 9->55 12 REF-091100679-BEC.exe 9->12         started        process5 signatures6 57 Maps a DLL or memory area into another process 12->57 15 REF-091100679-BEC.exe 12->15         started        process7 signatures8 59 Maps a DLL or memory area into another process 15->59 18 REF-091100679-BEC.exe 15->18         started        process9 signatures10 39 Maps a DLL or memory area into another process 18->39 21 REF-091100679-BEC.exe 15 16 18->21         started        process11 dnsIp12 25 mail.hajartrading.net 162.241.216.32, 49721, 587 UNIFIEDLAYER-AS-1US United States 21->25 27 checkip.us-east-1.prod.check-ip.aws.a2z.com 34.197.12.81, 49720, 80 AMAZON-AESUS United States 21->27 29 2 other IPs or domains 21->29 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->41 43 Tries to steal Mail credentials (via file access) 21->43 45 Tries to harvest and steal ftp login credentials 21->45 47 Tries to harvest and steal browser information (history, passwords, etc) 21->47 signatures13
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-07-22 06:42:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 8948e4e0f392197b1c1436e5f7a2a7bc326c849b6129d8cf287a6d6a03cd642e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments