MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 790b9501040e50e166ca0a8f6977348a39bcd1953b9aa708008cd8b6fc9a3b3e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 790b9501040e50e166ca0a8f6977348a39bcd1953b9aa708008cd8b6fc9a3b3e
SHA3-384 hash: e847ab93be37458ea877a14c3e1bf78b39030cc6f31b9b02b6577ccdcafbc413cf53fd8cf851d53a92178ae26c459098
SHA1 hash: 1d3edf7dec4b0dfa19896d063cd3fd4ca921f397
MD5 hash: 5074b80e71dd9dfdcf3e12001a67decd
humanhash: high-michigan-south-maine
File name:INVOICE.EXE
Download: download sample
Signature AgentTesla
Create hunting rule
File size:698'880 bytes
First seen:2020-12-16 09:40:35 UTC
Last seen:2020-12-16 11:46:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:3wn78ySO5124TOsDLC7xQ2/CcM0CZQOnYpetKaIKOXDWB7dHUdj8/o20+7yCWslq:uZWGFmdjEcR
Threatray 1'958 similar samples on MalwareBazaar
TLSH 52E47C243AFF6018F173AF768AD475D6DAAFFA733706D42E1490038A0723A85DD9153A
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
156
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INVOICE.EXE
Verdict:
Malicious activity
Analysis date:
2020-12-16 09:42:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9afcb724-8f49-4ff1-81cd-6aa2adef9eac

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.jc.15622.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/564088
Signature
.NET source code contains very large array initializations
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: 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: 331127 Sample: INVOICE.EXE Startdate: 16/12/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 9 other signatures 2->35 7 INVOICE.EXE 7 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\tIRshS.exe, PE32 7->19 dropped 21 C:\Users\user\...\tIRshS.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp797B.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\INVOICE.EXE.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Injects a PE file into a foreign processes 7->41 11 INVOICE.EXE 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.grandtours.gr 95.216.7.161, 49771, 587 HETZNER-ASDE Germany 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/790b9501040e50e166ca0a8f6977348a39bcd1953b9aa708008cd8b6fc9a3b3e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-16 09:41:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
10 of 48 (20.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pefzkaiebzioczwkbkhws5zuri43zumvhonkocaartmln7e2hm7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
84cb3c9404d520f05f868b550697de2803c587b02fc156764c953a12a227e4d7
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8a37e226e4756170421ab6a6667b6771049a7104e7b5b505562df8ba2d2171a1
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95c3cb601dbbb3632ed38c77863e7787fe21f81d1f39c6dd6e23ce57657d4e32
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9df06d72513716fcfd80d3864d47aa896ec146882ee4cd5a30d998fac7ee72cc
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9f0a895f28cb661b5bd3b0c7825e02cf9b865ff4a01305395dca7aaa1750dde0
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ae628fd84f2ba783d82aa6e8804e7c41341671758e04ebc236f76ef7c7bee129
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df27e1cee5548d6c169e700946c102ffe88442f1dcbdb7bcad449194111ca5f2
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f37614ecb7916b27340fd6270d6917b8778c0b92b8edf0ff9e4aa65f3883f626
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f8b957b53da50425dfd655553ad255dd26e307971d477edd441ae2c2248ff121
AgentTesla
+ 1'948 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201216-g8fez9jrgs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
790b9501040e50e166ca0a8f6977348a39bcd1953b9aa708008cd8b6fc9a3b3e
MD5 hash:
5074b80e71dd9dfdcf3e12001a67decd
SHA1 hash:
1d3edf7dec4b0dfa19896d063cd3fd4ca921f397
Link:
https://www.unpac.me/results/bf1f5e72-1eab-40e1-87f5-8d490c31629b/
SH256 hash:
c84c732719db2a5f5278d6328817d47401024e81d359a46b2e70901b7e9da592
MD5 hash:
e20ffbc7594f5e5ce9487e5864c6aa2c
SHA1 hash:
11a9ee111172c89ef769653f96e02f4ac2388179
Link:
https://www.unpac.me/results/bf1f5e72-1eab-40e1-87f5-8d490c31629b/
SH256 hash:
51b11613df0a8a93c9bf286ff3696c32f50b7763d78425815afaf1d8564fa186
MD5 hash:
6ecc999b80aac33f4255cd30134483ee
SHA1 hash:
86e68ae281efd6741d89eb30388040bb9e68034b
Link:
https://www.unpac.me/results/bf1f5e72-1eab-40e1-87f5-8d490c31629b/
SH256 hash:
39947ebb781750bc35fe47bf77ab48ac9441e53c1f952e36e56e1afe49861863
MD5 hash:
fa1e2f5e6b267780567a0e5be9a91d9e
SHA1 hash:
883913e7d8b941d5a416f2b3180f769303ecd791
Link:
https://www.unpac.me/results/bf1f5e72-1eab-40e1-87f5-8d490c31629b/
SH256 hash:
102c97314ef452f83c3f975add94950666c11eaf682e78e4a86edfa6d20aeda5
MD5 hash:
d1e94506c2ed32a286b65d505cc998b1
SHA1 hash:
b41779831dc26bfc5684367a58b40f1e379f6acb
Link:
https://www.unpac.me/results/bf1f5e72-1eab-40e1-87f5-8d490c31629b/
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/790b9501040e50e166ca0a8f6977348a39bcd1953b9aa708008cd8b6fc9a3b3e

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: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.

Malspam

AgentTesla

iso 142d7d12586e69ac6acb9f4c8f5cb58865d4cdc8e145d3004a187b86e59795fe

AgentTesla

Executable exe 790b9501040e50e166ca0a8f6977348a39bcd1953b9aa708008cd8b6fc9a3b3e

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 142d7d12586e69ac6acb9f4c8f5cb58865d4cdc8e145d3004a187b86e59795fe

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