MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a938146aaf4b99735e88bad458fcd754b82072ee56ebe2a7baa8ee0bf9d3351. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a938146aaf4b99735e88bad458fcd754b82072ee56ebe2a7baa8ee0bf9d3351
SHA3-384 hash: 92065aaa55dae98d56737e475c9ca6d4af78cdc02be5f5e33c04e2e8468dd6e0a57989cce3f7ccddba23f531a18606ef
SHA1 hash: 60e2f9d5f7c2a7e720c4ce918c12ecc29bb1f167
MD5 hash: 5d1b295405cd10fa51689b89ef71be21
humanhash: autumn-michigan-zulu-zulu
File name:WESCANNED SLIP0095.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:554'496 bytes
First seen:2020-07-16 18:48:45 UTC
Last seen:2020-07-16 20:13:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Zis2k4zU8X5xodrvo8is2Wm048sRnYWADYcFk/gSVzM+hm1tu2ob:Zilpqdf2WmLYWADYEk/gE
Threatray 11'019 similar samples on MalwareBazaar
TLSH 88C48CDC3510718EC95E8D758964DC70AA206C62F7FBE207A3C36E9F793C596DB042A2
Reporter abuse_ch
Tags:AgentTesla Endurance exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 142-4-22-49.unifiedlayer.com
Sending IP: 142.4.22.49
From: Li Wang <ningxj@ccdc-ec.com>
Subject: RE: Remittance Advice 0095
Attachment: WESCANNED SLIP0095.rar (contains "WESCANNED SLIP0095.exe")

AgentTesla SMTP exfil server:
mail.eslpk.com:587

AgentTesla SMTP exfil email address:
asmat@eslpk.com

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26991/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.5312.25261.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/388786
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246571 Sample: WESCANNED SLIP0095.exe Startdate: 18/07/2020 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 3 other signatures 2->49 6 WESCANNED SLIP0095.exe 1 2->6         started        9 DsWhv.exe 2->9         started        11 DsWhv.exe 1 2->11         started        process3 file4 25 C:\Users\user\...\WESCANNED SLIP0095.exe.log, ASCII 6->25 dropped 14 WESCANNED SLIP0095.exe 2 5 6->14         started        19 DsWhv.exe 2 9->19         started        21 DsWhv.exe 9->21         started        51 Multi AV Scanner detection for dropped file 11->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->53 55 Machine Learning detection for dropped file 11->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->57 23 DsWhv.exe 2 11->23         started        signatures5 process6 dnsIp7 31 mail.eslpk.com 74.81.95.5, 49722, 49723, 587 NTHLUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\DsWhv.exe, PE32 14->27 dropped 29 C:\Users\user\...\DsWhv.exe:Zone.Identifier, ASCII 14->29 dropped 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->33 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->35 37 Tries to steal Mail credentials (via file access) 19->37 39 Tries to harvest and steal ftp login credentials 19->39 41 Tries to harvest and steal browser information (history, passwords, etc) 19->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a938146aaf4b99735e88bad458fcd754b82072ee56ebe2a7baa8ee0bf9d3351/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 16:43:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fkjycrvk6s4zonpirowuld6novfyebzo4vxl4kt3vkhobp45gniq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'009 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200716-8rsh66q6ts/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

rar 36ca8cfefc870c5d5a575671fb62754a02333e975cd4f9c14f7c53b87a05568f

AgentTesla

Executable exe 2a938146aaf4b99735e88bad458fcd754b82072ee56ebe2a7baa8ee0bf9d3351

(this sample)

  
Dropped by
MD5 dc8468912cdf4e1fcdffa02412660897
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26991/
  
Dropped by
SHA256 36ca8cfefc870c5d5a575671fb62754a02333e975cd4f9c14f7c53b87a05568f

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