MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75bbc70571b6ac43e86fabd0e79f1320c2ebdd9cb5da8eb89c6007d27edcd0cd. 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: 75bbc70571b6ac43e86fabd0e79f1320c2ebdd9cb5da8eb89c6007d27edcd0cd
SHA3-384 hash: 3061184a4e56be92d66884d1d0b5fa42df26f2e05d6dace2ed3a86e8e08610d89096851df6c657d4fee74325a952c921
SHA1 hash: fcbcf5d12fb37b7c1a67c99a8752d2a4613b4de1
MD5 hash: b5290974c074224f9db049a39e72b182
humanhash: ceiling-quiet-delaware-music
File name:20200629.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:790'016 bytes
First seen:2020-07-20 08:23:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:DuwLF1q9I6/kldSCGDyaod+ik4g8y3SoDh6bkbS8WVbhlgLKN+Y:DuYFOPW2rEloDhbbXShlh+
Threatray 10'647 similar samples on MalwareBazaar
TLSH 3AF4E0C9AAA05404D6ED2FF59E628A784334BC09F1F2D30F1BC4B99B3A7A793D454352
Reporter abuse_ch
Tags:AgentTesla Endurance exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 142-4-22-49.unifiedlayer.com
Sending IP: 142.4.22.49
From: Summer Xu <mariobelluno@libero.it>
Subject: RE: 2020 07 21 new order20200629
Attachment: 20200629.rar (contains "20200629.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28813/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52265.29860.30315.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391074
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247863 Sample: 20200629.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 Machine Learning detection for sample 2->43 6 newApp.exe 1 2->6         started        9 20200629.exe 1 2->9         started        12 newApp.exe 2->12         started        process3 file4 45 Multi AV Scanner detection for dropped file 6->45 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Machine Learning detection for dropped file 6->49 14 newApp.exe 2 6->14         started        18 newApp.exe 6->18         started        31 C:\Users\user\AppData\...\20200629.exe.log, ASCII 9->31 dropped 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->51 53 Injects a PE file into a foreign processes 9->53 20 20200629.exe 2 5 9->20         started        23 20200629.exe 9->23         started        25 newApp.exe 2 12->25         started        signatures5 process6 dnsIp7 33 208.91.199.223, 49722, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->33 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->55 57 Tries to steal Mail credentials (via file access) 14->57 59 Tries to harvest and steal ftp login credentials 14->59 61 Tries to harvest and steal browser information (history, passwords, etc) 14->61 35 us2.smtp.mailhostbox.com 208.91.199.224, 49721, 587 PUBLIC-DOMAIN-REGISTRYUS United States 20->35 27 C:\Users\user\AppData\Roaming\...\newApp.exe, PE32 20->27 dropped 29 C:\Users\user\...\newApp.exe:Zone.Identifier, ASCII 20->29 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->63 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75bbc70571b6ac43e86fabd0e79f1320c2ebdd9cb5da8eb89c6007d27edcd0cd/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 01:24:31 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ow54oblrw2weh2dpvpiophytedboxxm4wxni5oe4mad5e7w42dgq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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d3fa6ba60b53469cc26cf71ff0184c3c4b632337d1e59fb475d813cb1231e56d
AgentTesla
+ 10'637 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200720-epph6j7xc2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/75bbc70571b6ac43e86fabd0e79f1320c2ebdd9cb5da8eb89c6007d27edcd0cd

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.

Malspam

AgentTesla

rar c190cc89f34228773682ef5d7f98d1787b6c2ba36a73e953f8eb033d5443277d

AgentTesla

Executable exe 75bbc70571b6ac43e86fabd0e79f1320c2ebdd9cb5da8eb89c6007d27edcd0cd

(this sample)

  
Dropped by
MD5 85bd34fecc710107a8c6316511e24c3c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28813/
  
Dropped by
SHA256 c190cc89f34228773682ef5d7f98d1787b6c2ba36a73e953f8eb033d5443277d

Comments