MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f87bef1ec7a4e68e8a9d2765a5fbfe2e0a66144a1efab71af82caad271654ee2. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f87bef1ec7a4e68e8a9d2765a5fbfe2e0a66144a1efab71af82caad271654ee2
SHA3-384 hash: 1afe29b5606307878ce7690be52abcf1918f1362f9f87f8a2017e0a791eb9bb7617686fbdfc63aabab255d35d1063338
SHA1 hash: cc8fd5a89265ae21677f3cb2bd31d3491d0e9b94
MD5 hash: ea3e5059033a6fd09d408317553171ea
humanhash: lima-tennessee-lithium-berlin
File name:New RFQ.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:974'848 bytes
First seen:2021-02-16 15:05:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:M5AsZjqYVU+wkxX2vQsPFPjvZ9Xnbc9mj:UZjqYlBQPj/Xnbomj
Threatray 2'801 similar samples on MalwareBazaar
TLSH 0625CF33BA187F8DF13B933A60F81880E7FDB816E321CD5ABED9118B19A5F51C664506
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117366/
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/609108
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
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)
Sigma detected: Suspicious Double Extension
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353583 Sample: New RFQ.PDF.exe Startdate: 16/02/2021 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 12 other signatures 2->45 6 Newapp.exe 3 2->6         started        9 New RFQ.PDF.exe 3 2->9         started        12 Newapp.exe 2 2->12         started        process3 file4 47 Multi AV Scanner detection for dropped file 6->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Machine Learning detection for dropped file 6->51 53 2 other signatures 6->53 14 Newapp.exe 6 6->14         started        27 C:\Users\user\AppData\...27ew RFQ.PDF.exe.log, ASCII 9->27 dropped 18 New RFQ.PDF.exe 2 9 9->18         started        21 Newapp.exe 6 12->21         started        signatures5 process6 dnsIp7 29 mail.flagmonkey.com.au 14->29 31 flagmonkey.com.au 223.130.27.213, 49762, 49763, 49764 SYNERGYWHOLESALE-APSYNERGYWHOLESALEPTYLTDAU Australia 18->31 33 mail.flagmonkey.com.au 18->33 23 C:\Users\user\AppData\Roaming\...23ewapp.exe, PE32 18->23 dropped 25 C:\Users\user\...25ewapp.exe:Zone.Identifier, ASCII 18->25 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->55 57 Tries to steal Mail credentials (via file access) 18->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->59 35 mail.flagmonkey.com.au 21->35 37 192.168.2.1 unknown unknown 21->37 61 Tries to harvest and steal ftp login credentials 21->61 63 Tries to harvest and steal browser information (history, passwords, etc) 21->63 65 Installs a global keyboard hook 21->65 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f87bef1ec7a4e68e8a9d2765a5fbfe2e0a66144a1efab71af82caad271654ee2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-16 10:51:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
77
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7b566hwhutti5cu5e5s2l676fyfgmfckd35logxyfsvne4lfj3ra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1bb734df70a3c583274b025767ef61525593567ab0b3166b89a6fe421a99faa5
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371793ef15c6e1d0b0ab0edf326d4ab60ba5ce8cf26676fcc1ebd6329a23e914
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3f584a0e45a98791e456118d425aed123eab4e8b6c053ff608c48e19da9a59c6
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6272206fe704645cbed15d5edc47bf4c38e4ba591032e34b3b94d1e63aaa907b
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63aa4b94125d5fd5621d354452e7f547b5937d099f3b92e1fc111f06136611fe
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7c49ac4366eb07c5e5a146356908ba9e2e7e1bb2630422821f93530f0e2ec2ed
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800d8d254df93706903d11c9d97e4456294a4af1d600292206d273f57d4ce889
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a71930554d697f91b4ab6456faddbecfb15c1ebaac574db9ec735aa995dd10ac
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c37b36375c43623e1e11c9df83bc8b0a5fe77ca20851330d59fa491695a14437
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df013a1fe5c6d3c8c2622be807aa33643795029e89a6de47440aa8db46a1b106
AgentTesla
+ 2'791 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/210216-l5m73hfd5j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/5e467396-7b90-4039-808a-0661dd255d82/
SH256 hash:
f87bef1ec7a4e68e8a9d2765a5fbfe2e0a66144a1efab71af82caad271654ee2
MD5 hash:
ea3e5059033a6fd09d408317553171ea
SHA1 hash:
cc8fd5a89265ae21677f3cb2bd31d3491d0e9b94
Link:
https://www.unpac.me/results/5e467396-7b90-4039-808a-0661dd255d82/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f87bef1ec7a4e68e8a9d2765a5fbfe2e0a66144a1efab71af82caad271654ee2

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/117366/

Comments