MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbf010e4d58f12ac1a0ce0ef5e29636c13a3a6ee5b052aae7cad7e9a95448276. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: cbf010e4d58f12ac1a0ce0ef5e29636c13a3a6ee5b052aae7cad7e9a95448276
SHA3-384 hash: 5df0b4a8c2266f7ce8a7b3f0d5eea67cb4203921705412b6e72b0014452d44e98051255e60d02e1309c6107087927abd
SHA1 hash: 3b47f0448805cbdc927ed9775644db041e7382e5
MD5 hash: 78ecd68c0388cc632184e379d94d624e
humanhash: comet-idaho-carpet-bacon
File name:Payment Invoice # 189076.exe
Download: download sample
Signature AgentTesla
File size:1'221'440 bytes
First seen:2020-08-11 11:51:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:JAOcZypyLsppGgh8vr0awR5Gh46n/wHAVJ5Io0UBXC:jqLsjhs0y46/wHQ3l0U8
Threatray 9'355 similar samples on MalwareBazaar
TLSH 7D451202B7C785B3C5336A3258257711AE3D3D216F38DA5FB3D0486ADA76191A128BF3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: protonmail.com
Sending IP: 192.210.236.136
From: logiteks@protonmail.com
Subject: Payment invoice # 189076
Attachment: Payment Invoice 189076.uue (contains "Payment Invoice # 189076.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Adding an access-denied ACE
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Drops PE files with a suspicious file extension
Initial sample is a PE file and has a suspicious name
Yara detected AgentTesla
Yara detected AntiVM autoit script
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 261671 Sample: Payment Invoice # 189076.exe Startdate: 11/08/2020 Architecture: WINDOWS Score: 64 70 Yara detected AgentTesla 2->70 72 Yara detected AntiVM autoit script 2->72 74 Initial sample is a PE file and has a suspicious name 2->74 76 Drops PE files with a suspicious file extension 2->76 14 Payment Invoice # 189076.exe 32 2->14         started        17 mecqdm.pif 1 2->17         started        19 mecqdm.pif 2->19         started        21 mecqdm.pif 2->21         started        process3 file4 66 C:\Users\user\59539312\mecqdm.pif, PE32 14->66 dropped 23 mecqdm.pif 4 3 14->23         started        25 wscript.exe 17->25         started        27 wscript.exe 19->27         started        29 wscript.exe 21->29         started        process5 dnsIp6 32 wscript.exe 1 23->32         started        34 mecqdm.pif 25->34         started        36 mecqdm.pif 27->36         started        68 192.168.2.1 unknown unknown 29->68 38 mecqdm.pif 29->38         started        process7 process8 40 mecqdm.pif 32->40         started        42 wscript.exe 34->42         started        44 wscript.exe 36->44         started        process9 46 wscript.exe 1 40->46         started        48 mecqdm.pif 42->48         started        50 mecqdm.pif 44->50         started        process10 52 mecqdm.pif 46->52         started        54 wscript.exe 48->54         started        process11 56 wscript.exe 52->56         started        58 mecqdm.pif 54->58         started        process12 60 mecqdm.pif 56->60         started        process13 62 wscript.exe 60->62         started        process14 64 mecqdm.pif 62->64         started       
Threat name:
Win32.Trojan.Ymacco
Status:
Malicious
First seen:
2020-08-11 11:53:09 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
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 cbf010e4d58f12ac1a0ce0ef5e29636c13a3a6ee5b052aae7cad7e9a95448276

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments