MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b9956344bd9915a4f8d2154305e8185ce6610590861465530f46c209f52625c. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments

SHA256 hash: 4b9956344bd9915a4f8d2154305e8185ce6610590861465530f46c209f52625c
SHA3-384 hash: bce6209704edbdd8a5d8c6805acbcae670d4b9f1293445fd124e60caa4a021ba1625fb3cbcb71b61d64380b5da108928
SHA1 hash: 9fa07c1b0cb362ddd2b9c61b65b9ef4df043f525
MD5 hash: 1d1d01a0e924113a478f4d1786cd6ee9
humanhash: utah-texas-nine-lithium
File name:1d1d01a0e924113a478f4d1786cd6ee9.exe
Download: download sample
Signature AgentTesla
File size:663'040 bytes
First seen:2021-03-30 13:06:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:v8vhR91czyvKSuVRkyyJ93OXra8aGAby:4hRDVuVV63OXr/a9by
Threatray 57 similar samples on MalwareBazaar
TLSH 1AE4B1A870AE405DEEB46734F5B585821FC925321F62FF3F28E657005CA3769FA4E920
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Urgent Order-MBDPO12-210300476.doc
Verdict:
Malicious activity
Analysis date:
2021-03-30 12:02:00 UTC
Tags:
exploit CVE-2017-11882

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:
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
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)
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 378153 Sample: Mb1CDoXSqt.exe Startdate: 30/03/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 7 other signatures 2->37 7 Mb1CDoXSqt.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\XTGrWYSJeDmT.exe, PE32 7->21 dropped 23 C:\Users\...\XTGrWYSJeDmT.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpD326.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\Mb1CDoXSqt.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Injects a PE file into a foreign processes 7->45 11 Mb1CDoXSqt.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 Mb1CDoXSqt.exe 7->17         started        signatures5 process6 dnsIp7 29 mail.privateemail.com 198.54.122.60, 587 NAMECHEAP-NETUS United States 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 19 conhost.exe 15->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-30 13:07:06 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d436034270fb2d5380e4fcecc1ee6c821a1701aed96045fa13f597da16be08fb
MD5 hash:
00cbf73d8b9f03417a3a32957ec64ed4
SHA1 hash:
b862eff1cf240a5ad5325fd258892e534484a6e8
SH256 hash:
4b9956344bd9915a4f8d2154305e8185ce6610590861465530f46c209f52625c
MD5 hash:
1d1d01a0e924113a478f4d1786cd6ee9
SHA1 hash:
9fa07c1b0cb362ddd2b9c61b65b9ef4df043f525
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
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
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.

Web download

AgentTesla

Executable exe 4b9956344bd9915a4f8d2154305e8185ce6610590861465530f46c209f52625c

(this sample)

  
Delivery method
Distributed via web download

Comments