MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a031918e001745c0f07d5d0ac118a0bfeb946236033e20fa1b16e0d54ee7bcb8. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a031918e001745c0f07d5d0ac118a0bfeb946236033e20fa1b16e0d54ee7bcb8
SHA3-384 hash: d6ca05a9b2913a5dfb2398efbc2529c62ceac84874f9bec88d8314b009b9ead95020b511311f79880d18203978a1072c
SHA1 hash: 7bc80e89bbc7c10b974462e748849f9056d20d4a
MD5 hash: f65b0793251364c03d06e8e7134fc21b
humanhash: burger-burger-social-muppet
File name:f65b0793251364c03d06e8e7134fc21b.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:504'832 bytes
First seen:2021-11-25 18:52:18 UTC
Last seen:2021-11-25 21:39:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+v5E70ZixBFm0hDKr62YWLJp7WtXpcCAVS4EzOnsQ7b51:+vG70Zi1hy6O+LAVS4C
Threatray 13'041 similar samples on MalwareBazaar
TLSH T187B40215637D1121CB9D0B76A0A54395A33BE15BFA4ECB2C33C2B4B825E67425322BDF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT_1O1_SWIFt.doc
Verdict:
Malicious activity
Analysis date:
2021-11-25 17:45:50 UTC
Tags:
ole-embedded loader
Link:
https://app.any.run/tasks/4b164b00-2c0f-401e-9b03-fb5a4578f964

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.53056.15690.28310.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619fdb9002c80febc2a96e84/reports/27de602d-2e0b-4eb2-84ad-d6fb6c70f4f0/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/056357ee-ded6-40e1-8d7c-46908c51683f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896325
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
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: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 528801 Sample: nxHHI8WXqt.exe Startdate: 25/11/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 7 nxHHI8WXqt.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\SzfukVRF.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp2EEC.tmp, XML 7->25 dropped 27 C:\Users\user\AppData\...\nxHHI8WXqt.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 Adds a directory exclusion to Windows Defender 7->45 11 nxHHI8WXqt.exe 2 7->11         started        15 powershell.exe 23 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 us2.smtp.mailhostbox.com 208.91.198.143, 587 PUBLIC-DOMAIN-REGISTRYUS 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 / registry 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        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a031918e001745c0f07d5d0ac118a0bfeb946236033e20fa1b16e0d54ee7bcb8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-25 16:28:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uayzddqac5c4b4d5lufmcgfax7vziyrwam7cb6q3c3qnktxhxs4a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02f9fa6001761cc3d1030e16bdcff5a67a18c5cefebb2e57f039507932b1926d
AgentTesla
0e3b95f77003ed810f3f9332199144d84519d055036f05016f6fcc0b8e85a157
AgentTesla
2849f8e54789388e2464504860329fc6d42ca47879cc61b8960e7297477cc948
AgentTesla
726efd10333dd1cbd4c65e94122f9e05e3d9ccf0ff1caed8ddb421f37689283c
AgentTesla
7d28dda4c85b9f4e9658a3876eb71c573aebac106f3ab82d85c04217f459322f
AgentTesla
d0b39b5720a899595e293087868f48ad27f6615cc1f116f953d268a90161f779
AgentTesla
e9f6d4f2c6e8cc971f710c82043c013ad3c9a08f7bbdabea00a694ef37eace04
AgentTesla
f9512435de8ae0513d6e4390f4faaa37f2005ab1fd050b19da6dd2d1506b9390
AgentTesla
+ 13'031 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211125-xjmy3abef9/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6db2b87880d9926f767babaaa2c6b90953174245b6f7ece6d7c9964eb6162b80
MD5 hash:
efdb3b9995d8277eb1080451c3f20dc8
SHA1 hash:
0df74e1a7da485973f71a476aa84584b9e2258e4
Link:
https://www.unpac.me/results/62994886-ba6c-4947-96c5-1fce4fbdae31/
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
Link:
https://www.unpac.me/results/62994886-ba6c-4947-96c5-1fce4fbdae31/
SH256 hash:
273e59d78eeba6d54eb0e86fa8c111296a0036ef37a40d1fca49b4963bf92e18
MD5 hash:
ed393ef8fe5f85a0976b51a16215e82f
SHA1 hash:
705cfd71a7fa8b4a84367221d8143fe82b7f6c24
Link:
https://www.unpac.me/results/62994886-ba6c-4947-96c5-1fce4fbdae31/
SH256 hash:
a031918e001745c0f07d5d0ac118a0bfeb946236033e20fa1b16e0d54ee7bcb8
MD5 hash:
f65b0793251364c03d06e8e7134fc21b
SHA1 hash:
7bc80e89bbc7c10b974462e748849f9056d20d4a
Link:
https://www.unpac.me/results/62994886-ba6c-4947-96c5-1fce4fbdae31/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a031918e0017/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a031918e001745c0f07d5d0ac118a0bfeb946236033e20fa1b16e0d54ee7bcb8

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:pe_imphash
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe a031918e001745c0f07d5d0ac118a0bfeb946236033e20fa1b16e0d54ee7bcb8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1817274/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/209472/

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