MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5901589c7fefd25f522e383889250c8cde9921952fc242b50a5080b0cd181313. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 5901589c7fefd25f522e383889250c8cde9921952fc242b50a5080b0cd181313
SHA3-384 hash: 4131f0b873d7287450f172093db3232acd45f976b105defde75b85c5818c0d57ef32eaac0449f1c8576eadc1bf990fc5
SHA1 hash: 0cd2700b165aa937ce2b4a98da7b84bc974f59c1
MD5 hash: 1a5abb66a780d54a806c2fc2b15dec59
humanhash: maine-friend-utah-salami
File name:1a5abb66a780d54a806c2fc2b15dec59.exe
Download: download sample
Signature AgentTesla
File size:871'936 bytes
First seen:2021-06-10 10:13:17 UTC
Last seen:2021-06-10 10:50:54 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:m4s/2dw5ZM4e/ZUdtbuprmWzOxFiJp8cx4dboEN/FtppVo:Xs/2d6NeBUdtWmWK3iJl46ElppVo
Threatray 5'761 similar samples on MalwareBazaar
TLSH B905CFB9BB945655E2BE6B368230500097F9BC02C735D79D7CA1329D0EB2F80CA76E53
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1a5abb66a780d54a806c2fc2b15dec59.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-10 10:24:29 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
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Moves itself to temp directory
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 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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 432487 Sample: lFccIK78FD.exe Startdate: 10/06/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 4 other signatures 2->45 6 lFccIK78FD.exe 3 2->6         started        10 YYtJku.exe 3 2->10         started        12 YYtJku.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\lFccIK78FD.exe.log, ASCII 6->23 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 51 Injects a PE file into a foreign processes 6->51 14 lFccIK78FD.exe 2 5 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 19 YYtJku.exe 2 10->19         started        21 YYtJku.exe 2 12->21         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.198.143, 49726, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 25 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->25 dropped 27 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Moves itself to temp directory 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 3 other signatures 14->37 file8 signatures9
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2021-06-10 09:37:37 UTC
AV detection:
14 of 29 (48.28%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e987e066b6b1ca5c3698a367d405b671a7f33e388289cb6b191faf4796478596
MD5 hash:
8b3814abb5e9cd9fb5da34bc71a4afc2
SHA1 hash:
8005c030dd9d0c1f146d18c4597f0a0f55e16577
SH256 hash:
5901589c7fefd25f522e383889250c8cde9921952fc242b50a5080b0cd181313
MD5 hash:
1a5abb66a780d54a806c2fc2b15dec59
SHA1 hash:
0cd2700b165aa937ce2b4a98da7b84bc974f59c1
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

AgentTesla

Executable exe 5901589c7fefd25f522e383889250c8cde9921952fc242b50a5080b0cd181313

(this sample)

  
Delivery method
Distributed via web download

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