MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 078b1c9afd06c1090bb88657eba69d04ab283663f0f7dd400efd26abfae64451. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 078b1c9afd06c1090bb88657eba69d04ab283663f0f7dd400efd26abfae64451
SHA3-384 hash: 93a0f8f3f15b1553448cbb5cfde9f679033b7b4f641c7a8f5708f9190bccd1632a1c25126ac07d7c250acb812ac79cd4
SHA1 hash: f5e1f4a3bbe4ccae7c8708a094290603ea03521f
MD5 hash: 81f963a3a575e5834cd5ade0e97701a0
humanhash: echo-queen-four-lemon
File name:gunzipped
Download: download sample
Signature AgentTesla
Create hunting rule
File size:445'440 bytes
First seen:2020-08-16 13:54:38 UTC
Last seen:2020-08-16 15:07:44 UTC
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:tJM8bYVVk7c5zt2O2IcEi9Fmic5A4EcmZHAFaxmVmie9bngP:tJMZkezz2IcE5G4EcmZHAFaxmVmie9bQ
Threatray 10'613 similar samples on MalwareBazaar
TLSH 1494F0AC34E4A277F3FD1BF66924280807BA63160622DF4F1ED071F1A3D6BD16A5446B
Reporter abuse_ch
Tags:AgentTesla


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 162-214-24-187.webhostbox.net
Sending IP: 162.214.24.187
From: kmaukazuva <kmaukazuva@alphamedia.com>
Subject: BANK DEPOSITED SLIP FOR ALPHAMDIA
Attachment: DEPOSITED ALPHAMDIA..gz (contains "gunzipped")

AgentTesla SMTP exfil server:
mail.greensudrhotel.com:26

AgentTesla SMTP exfil email address:
reservation@greensudrhotel.com

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46465/
Detection(s):
SecuriteInfo.com.Variant.Bulz.50469.26879.30230.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/432253
Signature
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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: 267910 Sample: gunzipped Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Sigma detected: Scheduled temp file as task from temp location 2->29 31 Yara detected AgentTesla 2->31 33 3 other signatures 2->33 7 gunzipped.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Local\...\tmpDF22.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\RoamingbehaviorgraphBTCpHFbT.exe, PE32 7->23 dropped 35 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->35 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 gunzipped.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 gunzipped.exe 7->17         started        signatures5 process6 dnsIp7 25 mail.greensudrhotel.com 192.185.186.177, 26, 49737 UNIFIEDLAYER-AS-1US United States 11->25 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 2 other signatures 11->49 19 conhost.exe 15->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/078b1c9afd06c1090bb88657eba69d04ab283663f0f7dd400efd26abfae64451/
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-08-16 09:33:57 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=a6frzgx5a3aqsc5yqzl6xju5asvsqntd6d352qao7utkx6xgiriq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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e8d6e647d8611efee71472288c0959d0e7f2950e1bbd226877872de5fc4beeab
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f3df7d3bb9a05ff881cec0a5947916d08030d2424c8a233820dff5e92a95f4a5
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f5c20b9e96fde1f84b7578a3f29a00f96e161c9bbdfac2675fcd253b41627a9e
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f7e7f9c0172ba900708b35378e311e9a29168621ed968082f3f980f81de19c54
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f8113167cfaf623d5c08b33685577743fb96bd3daca2cd915d8b3efe81ad3a8b
AgentTesla
+ 10'603 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla evasion
Link:
https://tria.ge/reports/200816-feycwfc3d2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/078b1c9afd06c1090bb88657eba69d04ab283663f0f7dd400efd26abfae64451

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

gz e548db6559314145585611dea62543dd41bb6d456c67cf0384f12eeacc82fa23

AgentTesla

Executable exe 078b1c9afd06c1090bb88657eba69d04ab283663f0f7dd400efd26abfae64451

(this sample)

  
Dropped by
MD5 15c0cb2479434ac5b7f40e77519010a9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46465/
  
Dropped by
SHA256 e548db6559314145585611dea62543dd41bb6d456c67cf0384f12eeacc82fa23

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