MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3169da25d6a50990a664203361eac74ab36b8f9412e46fd89e19f450993e307. 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 2 File information Comments

SHA256 hash: b3169da25d6a50990a664203361eac74ab36b8f9412e46fd89e19f450993e307
SHA3-384 hash: cb65fc112915ce51fc0924508cc57106e6b797648d52bfc94639d0d7c20c38a985ba838be6173e796399b913edbeda36
SHA1 hash: 22f9cb655efae9615ab95a96644b94d7294afa3b
MD5 hash: 73ac7fa133d75faf735bd6a76877f20a
humanhash: indigo-texas-arizona-social
File name:73ac7fa133d75faf735bd6a76877f20a.exe
Download: download sample
Signature AgentTesla
File size:1'002'496 bytes
First seen:2020-12-07 19:23:40 UTC
Last seen:2020-12-07 20:38:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:NM2ST0sDd6w8XTPpWlaq8VIqU+MaNRXS:+zT0Adt8tqiI+ME
Threatray 1'717 similar samples on MalwareBazaar
TLSH C3257E35AB942F3AF47AAB7C8964204467FDA793E317D99D3CB600CA1723F01C9D152A
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
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.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 327743 Sample: JtMurupLaf.exe Startdate: 07/12/2020 Architecture: WINDOWS Score: 100 57 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->57 59 Found malware configuration 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 6 other signatures 2->63 6 JtMurupLaf.exe 3 2->6         started        10 kprUEGC.exe 2 2->10         started        12 kprUEGC.exe 3 2->12         started        process3 file4 23 C:\Users\user\AppData\...\JtMurupLaf.exe.log, ASCII 6->23 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->67 69 Injects a PE file into a foreign processes 6->69 14 JtMurupLaf.exe 17 5 6->14         started        19 kprUEGC.exe 14 2 10->19         started        71 Multi AV Scanner detection for dropped file 12->71 73 Machine Learning detection for dropped file 12->73 21 kprUEGC.exe 2 12->21         started        signatures5 process6 dnsIp7 31 smtp.tatalnternational.com 14->31 33 us2.smtp.mailhostbox.com 208.91.199.224, 49740, 49752, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->33 39 4 other IPs or domains 14->39 25 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 14->25 dropped 27 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 14->27 dropped 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->43 45 Tries to steal Mail credentials (via file access) 14->45 47 Modifies the hosts file 14->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->49 35 smtp.tatalnternational.com 19->35 37 54.235.83.248, 443, 49741 AMAZON-AESUS United States 19->37 41 2 other IPs or domains 19->41 29 C:\Windows\System32\drivers\etc\hosts, ASCII 19->29 dropped 51 Tries to harvest and steal ftp login credentials 19->51 53 Tries to harvest and steal browser information (history, passwords, etc) 19->53 55 Installs a global keyboard hook 19->55 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-12-07 18:30:28 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
Unpacked files
SH256 hash:
b3169da25d6a50990a664203361eac74ab36b8f9412e46fd89e19f450993e307
MD5 hash:
73ac7fa133d75faf735bd6a76877f20a
SHA1 hash:
22f9cb655efae9615ab95a96644b94d7294afa3b
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
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: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 b3169da25d6a50990a664203361eac74ab36b8f9412e46fd89e19f450993e307

(this sample)

  
Delivery method
Distributed via web download

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