MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ed26280f05b2a930b2439cc4e853cf11c6df47f6654cd0a0a6662df85d7e230. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ed26280f05b2a930b2439cc4e853cf11c6df47f6654cd0a0a6662df85d7e230
SHA3-384 hash: 7b744551d8f5babdd8a6f402ce4db4df2c99d665753d95ae7f51728760f9f1e7413c55146b77921848d32a4730dff8db
SHA1 hash: 633b68230adf8004d27083d8978a1a1bb7d7fad7
MD5 hash: 7e305229b6f13f866e2cae249318c9e3
humanhash: juliet-tennis-avocado-fruit
File name:8YAOuE8zfTpo1M9.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:494'592 bytes
First seen:2020-11-19 07:46:29 UTC
Last seen:2020-11-19 14:41:46 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:xYFBrpblkq/ofBgt4RybfVFS0zNLqDBbXGcOoQ2BFfwKr:xIZ1lvm44RyjH7LqDBbXG+
Threatray 1'386 similar samples on MalwareBazaar
TLSH FAB4BEAC712076DFC82BC1B58AA9EC74A7502C77531B924390D72CEBB94CA96DF141E3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vmv0.511.vuniso.ml
Sending IP: 143.110.173.73
From: frebekah515@msn.com
Subject: ORDER : RAW P6317
Attachment: 6021557.xls

AgentTesla payload URL:
http://sparepartiran.com/js/d1/8YAOuE8zfTpo1M9.exe

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

AgentTesla SMTP exfil email address:
andrea@hojokk.com

Intelligence

File Origin
# of uploads :
4
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.9186.3006.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/542408
Signature
.NET source code contains very large array initializations
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies the hosts file
Multi AV Scanner detection for domain / URL
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 320301 Sample: 8YAOuE8zfTpo1M9.exe Startdate: 19/11/2020 Architecture: WINDOWS Score: 100 34 Multi AV Scanner detection for domain / URL 2->34 36 Found malware configuration 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 10 other signatures 2->40 7 8YAOuE8zfTpo1M9.exe 6 2->7         started        process3 file4 20 C:\Users\user\AppData\...\BpUiFIjgBytk.exe, PE32 7->20 dropped 22 C:\Users\user\AppData\Local\...\tmp528B.tmp, XML 7->22 dropped 24 C:\Users\user\...\8YAOuE8zfTpo1M9.exe.log, ASCII 7->24 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->44 11 8YAOuE8zfTpo1M9.exe 15 2 7->11         started        16 schtasks.exe 1 7->16         started        signatures5 process6 dnsIp7 28 mail.hojokk.com 167.88.170.103, 49743, 587 PONYNETUS United States 11->28 30 elb097307-934924932.us-east-1.elb.amazonaws.com 54.204.14.42, 443, 49742 AMAZON-AESUS United States 11->30 32 2 other IPs or domains 11->32 26 C:\Windows\System32\drivers\etc\hosts, ASCII 11->26 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->46 48 Tries to steal Mail credentials (via file access) 11->48 50 Tries to harvest and steal ftp login credentials 11->50 52 3 other signatures 11->52 18 conhost.exe 16->18         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ed26280f05b2a930b2439cc4e853cf11c6df47f6654cd0a0a6662df85d7e230/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-11-19 07:45:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j3jgfahqlmvjgczehhge5bj46eog35d7mzkm2cqkmzrn7box4iya._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
01330ada2211171d1bb5db977363a94cea239c455ea8c2fabea401a29b1c8143
AgentTesla
160bb1d1ffcdea76c664adfeed64f6fe3e16285baf9c4336ebb0caeddfcfd931
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20dbea65f9ea5d713ead877a8fdca2bb606af820520ea99fafcef39fc7652ce2
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2ff93944081c104e8175f5209255c50e92d65f8a3e35fbf01c5f6f46237575af
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38ed7c72a2e50891a633f64047a2a6ce5303c451a1e676a26f300d7bdd90138e
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431c9f8b4b58782d7f9ebeccb1b3a18357667fef8293571cf01aa72f98720df2
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6609cf9b0aefabaaf1bccc04237e6ff32315960166bf4aa2ff5372cfb51c80d3
AgentTesla
b038873608088e7d9f054df77e88fa0b9ada18062e5977f57b5278755735cb73
AgentTesla
bd7bc6f7691334319750e484ab95397c67b973ec0c0efd25c1227c4328630b28
AgentTesla
ff212016b3815373f569019169d3685deb1fea8c6d61f61df4e5dbbda08b952f
AgentTesla
+ 1'376 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201119-eq5nbp4qkx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies service
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
4ed26280f05b2a930b2439cc4e853cf11c6df47f6654cd0a0a6662df85d7e230
MD5 hash:
7e305229b6f13f866e2cae249318c9e3
SHA1 hash:
633b68230adf8004d27083d8978a1a1bb7d7fad7
Link:
https://www.unpac.me/results/1f4ea33f-4139-4de8-9afa-14384c98def7/
SH256 hash:
e025982efb6c06521b34841a6311af447925d7c620be2150b79e072725fec69f
MD5 hash:
93689c556be7c6f2df37d30844eaa4a2
SHA1 hash:
0144273c6dd9e783b24303b054c9200b358deb43
Link:
https://www.unpac.me/results/1f4ea33f-4139-4de8-9afa-14384c98def7/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/1f4ea33f-4139-4de8-9afa-14384c98def7/
SH256 hash:
d3ad1442d5f46cc2c218238b380f44d0261000a6e41b8419c8113435e0e6d168
MD5 hash:
83ab157a3ac3b92206f35a08bcdfba44
SHA1 hash:
a788c17fe8da0ad5474ebf288100102a593ff025
Link:
https://www.unpac.me/results/1f4ea33f-4139-4de8-9afa-14384c98def7/
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:ach_AgentTesla_20200929
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Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

Excel file xls b038873608088e7d9f054df77e88fa0b9ada18062e5977f57b5278755735cb73

AgentTesla

Executable exe 4ed26280f05b2a930b2439cc4e853cf11c6df47f6654cd0a0a6662df85d7e230

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/832107/
  
Dropped by
MD5 233e6cecdf2f1995262c068348f37c3f
  
Dropped by
SHA256 b038873608088e7d9f054df77e88fa0b9ada18062e5977f57b5278755735cb73
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/832574/

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