MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b8f3b948f0016e4e3525d9a16fa404a55d352cfb2d75307a3449d1e76883e10. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b8f3b948f0016e4e3525d9a16fa404a55d352cfb2d75307a3449d1e76883e10
SHA3-384 hash: 39571a29eb60f6a2be49a8031db622b424659c17cf09499aa508338f9007fbb8462e625a38b81581f9af753438cc5502
SHA1 hash: 92f72b26e772eeb7daeea4200656c7562138282e
MD5 hash: c859c6404aef0309176a9088d9296678
humanhash: iowa-mockingbird-colorado-purple
File name:Bank Verification Slip.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:676'864 bytes
First seen:2020-11-11 14:29:24 UTC
Last seen:2020-11-17 15:14:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:m73RN0q83UJ7RdBHMlU8LFUwHa/KGgmfn0UBtN6E89QQ62BfVmjQJ9U3ixxe7rG:YX8kJ7t8LFzogmfn0cNrRmvOQJJrki
Threatray 1'110 similar samples on MalwareBazaar
TLSH CDE48C307165DF86DA7907F4E452E0F45FA42D2BAA29D68A3CC53FCF30B5B504A18A27
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
96
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.jc.9016.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/530304
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
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: 314254 Sample: Bank Verification Slip.exe Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 60 Found malware configuration 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 Sigma detected: Scheduled temp file as task from temp location 2->64 66 11 other signatures 2->66 7 Bank Verification Slip.exe 6 2->7         started        10 Pcjubwm.exe 5 2->10         started        13 Pcjubwm.exe 4 2->13         started        process3 file4 40 C:\Users\user\AppData\...\uyAiffbnQYiV.exe, PE32 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmp8682.tmp, XML 7->42 dropped 44 C:\Users\...\Bank Verification Slip.exe.log, ASCII 7->44 dropped 15 Bank Verification Slip.exe 17 9 7->15         started        20 schtasks.exe 1 7->20         started        68 Multi AV Scanner detection for dropped file 10->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->70 72 Machine Learning detection for dropped file 10->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->74 22 schtasks.exe 1 10->22         started        24 Pcjubwm.exe 10->24         started        26 schtasks.exe 13->26         started        28 Pcjubwm.exe 13->28         started        signatures5 process6 dnsIp7 46 smtp.yandex.ru 77.88.21.158, 49750, 49751, 587 YANDEXRU Russian Federation 15->46 48 elb097307-934924932.us-east-1.elb.amazonaws.com 54.235.83.248, 443, 49748 AMAZON-AESUS United States 15->48 50 4 other IPs or domains 15->50 36 C:\Users\user\AppData\Roaming\...\Pcjubwm.exe, PE32 15->36 dropped 38 C:\Users\user\...\Pcjubwm.exe:Zone.Identifier, ASCII 15->38 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->52 54 Moves itself to temp directory 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 4 other signatures 15->58 30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b8f3b948f0016e4e3525d9a16fa404a55d352cfb2d75307a3449d1e76883e10/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 14:11:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hohtxfepaalojy2slwnbn6sajjk5guwpwllvgb5disor45uihyia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a21e38f8f6be5ca6ad235835b89f774e142683615b5bec677d3cf49fe78c2f16
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AgentTesla
+ 1'100 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201111-tyz43f94se/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
3b8f3b948f0016e4e3525d9a16fa404a55d352cfb2d75307a3449d1e76883e10
MD5 hash:
c859c6404aef0309176a9088d9296678
SHA1 hash:
92f72b26e772eeb7daeea4200656c7562138282e
Link:
https://www.unpac.me/results/f7c1e74d-78a3-4f34-8900-4e5e1fbd8864/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/f7c1e74d-78a3-4f34-8900-4e5e1fbd8864/
SH256 hash:
687caba46bc8872aed082282490b0828bd69c65a753bc6181b9639d001c7c5d4
MD5 hash:
13e19a3d4594b7cf3d3dd209cf33a12d
SHA1 hash:
deab150e29f28381cc525c495d631bc5f3a23332
Link:
https://www.unpac.me/results/f7c1e74d-78a3-4f34-8900-4e5e1fbd8864/
SH256 hash:
67c829765fe2a2e4275b007df937f238fcaf97c7c7009085d0f9b59c2f0d4750
MD5 hash:
1901e2a3cde17cc6363cd5f875dc128d
SHA1 hash:
edeec257461de6c4329c5a36f5e57f573c68ce2b
Link:
https://www.unpac.me/results/f7c1e74d-78a3-4f34-8900-4e5e1fbd8864/
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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
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

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