MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 737ea6edfdc8fa560104c62e87efa44f0ec600dfda82f0ac09aa2d9f6fc522fa. 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 3 File information Comments
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SHA256 hash: 737ea6edfdc8fa560104c62e87efa44f0ec600dfda82f0ac09aa2d9f6fc522fa
SHA3-384 hash: 61823f61ce717e5e0bd7f05afd4b5d3b5f9e886077b59ae9f37770aa6df27c8793f980817e56946a74629f127bfb1362
SHA1 hash: 2b3af7bf3005cab9727294244b67601c3984a931
MD5 hash: 91d45333957d0f366bab593a9dda5e84
humanhash: three-jupiter-beer-india
File name:PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'693'696 bytes
First seen:2020-09-21 15:12:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:mpyl2/jTuQutQgsQu7l/Bk+1fZfx3LakwU2ohRDp9TcU8HaqCOa8QxK8IXEoqJp4:Mnfx3LqobDvcyOahAZUoqJEBj
Threatray 9'501 similar samples on MalwareBazaar
TLSH 4475DFAB7380FE01D43A06F09C54E7E182A35F5C9718D57976E43D2BB1E6ADA72803C6
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/471412
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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: 288152 Sample: PURCHASE ORDER.exe Startdate: 21/09/2020 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 Sigma detected: Scheduled temp file as task from temp location 2->54 56 11 other signatures 2->56 7 PURCHASE ORDER.exe 7 2->7         started        11 zvVbs.exe 4 2->11         started        13 zvVbs.exe 3 2->13         started        process3 file4 30 C:\Users\user\AppData\...\DNAgmHWRrEqh.exe, PE32 7->30 dropped 32 C:\Users\...\DNAgmHWRrEqh.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp7CC6.tmp, XML 7->34 dropped 36 C:\Users\user\...\PURCHASE ORDER.exe.log, ASCII 7->36 dropped 58 Injects a PE file into a foreign processes 7->58 15 PURCHASE ORDER.exe 2 7 7->15         started        20 schtasks.exe 1 7->20         started        60 Multi AV Scanner detection for dropped file 11->60 62 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->62 64 Machine Learning detection for dropped file 11->64 22 schtasks.exe 11->22         started        signatures5 process6 dnsIp7 38 anartem.pt 188.93.230.198, 49720, 49750, 49751 CLARANET-ASClaraNETLTDGB Portugal 15->38 40 mail.anartem.pt 15->40 26 C:\Users\user\AppData\Roaming\...\zvVbs.exe, PE32 15->26 dropped 28 C:\Users\user\...\zvVbs.exe:Zone.Identifier, ASCII 15->28 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Tries to steal Mail credentials (via file access) 15->44 46 Tries to harvest and steal ftp login credentials 15->46 48 3 other signatures 15->48 24 conhost.exe 20->24         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/737ea6edfdc8fa560104c62e87efa44f0ec600dfda82f0ac09aa2d9f6fc522fa/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-21 10:57:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=on7kn3p5zd5fmaieyyxip35ej4hmmag73kbpblajviwz636fel5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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AgentTesla
1122833e85cc56463f880d6951e7c1a7066b67722b0771de0e0f1088c336a23c
AgentTesla
21fd74234f073c7af91314d235b04418af7ad84f7a2cccc54b8af8192372cd7d
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4c0ba445450f16973c204aaab8265d888df2d38f822fbfcdf15249fbc3863356
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8cb14b0233584540a257d1189f2fc36f44c34847778476d1be5bd6441353a7d1
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a1579595bc8439774307b941ef20cbcd1e6f3e767859debd8e5e448eda09a0f2
AgentTesla
a66ca1e1d94dfbe3e0fe92afd519f9a00b102438f6be1786a988fca58fa19bc6
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c299c360a59db588d26e7063cfbafb5327ebb191e3f4bfb3611cadbcfa5aff25
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d925299f981b6b3be43538c373606c8560bbac6a5929f568eaaa45acb7170215
AgentTesla
e738d23963c1001eb3cc3287fd96bacb4a4f073c665c866bc3cadf39d71350e8
AgentTesla
+ 9'491 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla evasion persistence
Link:
https://tria.ge/reports/200921-2xph3fetw2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/737ea6edfdc8fa560104c62e87efa44f0ec600dfda82f0ac09aa2d9f6fc522fa

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/145/

Comments