MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 230e96f9118ac3ca1c34972b1d270cf12b69755bef0f049db0197552a5c61cde. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 230e96f9118ac3ca1c34972b1d270cf12b69755bef0f049db0197552a5c61cde
SHA3-384 hash: f49cceb8ff0cd5c81fa11f4662345a4653baee9942faef2ce589546263aabc60b626615a2ab619a465c7e797364ad730
SHA1 hash: e5c6bc69385f09ee186e0fbd78a5a84a91974e14
MD5 hash: 97e962e4eba373df313385f15cce7211
humanhash: spaghetti-georgia-beryllium-dakota
File name:RFQ-August.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:805'376 bytes
First seen:2020-08-10 13:03:48 UTC
Last seen:2020-08-10 14:03:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:tFDcIPp1xjrB0RxTnFqQHik6A7RGC9PhgvEXR:trxjd0RxTnFqQIuQCVhgvEX
Threatray 11'406 similar samples on MalwareBazaar
TLSH 31058D1CAC6D8C10CB161777C58AA81D6258AC027BF2D9DF7B8B321B43797F2A5701AD
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vs1.backuplider.com
Sending IP: 212.129.3.18
From: Jenifer Pinket <web@imap.cat>
Subject: Order Specification
Attachment: RFQ-August.rar (contains "RFQ-August.exe")

AgentTesla SMTP exfil server:
smtp.ola4tai.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/42776/
Detection(s):
SecuriteInfo.com.Generic.mg.97e962e4eba373df.15547.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/416937
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 260636 Sample: RFQ-August.exe Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 6 other signatures 2->72 7 RFQ-August.exe 7 2->7         started        11 KWlhDeF.exe 5 2->11         started        13 KWlhDeF.exe 4 2->13         started        process3 file4 40 C:\Users\user\AppData\...\mPVacTIxRkEDqm.exe, PE32 7->40 dropped 42 C:\...\mPVacTIxRkEDqm.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp8C33.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\...\RFQ-August.exe.log, ASCII 7->46 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 78 Injects a PE file into a foreign processes 7->78 15 RFQ-August.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        80 Machine Learning detection for dropped file 11->80 22 KWlhDeF.exe 11->22         started        24 schtasks.exe 1 11->24         started        26 schtasks.exe 13->26         started        28 KWlhDeF.exe 13->28         started        signatures5 process6 dnsIp7 48 smtp.ola4tai.com 15->48 50 us2.smtp.mailhostbox.com 208.91.198.143, 25, 49735, 49739 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 36 C:\Users\user\AppData\Roaming\...\KWlhDeF.exe, PE32 15->36 dropped 38 C:\Users\user\...\KWlhDeF.exe:Zone.Identifier, ASCII 15->38 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 56 Installs a global keyboard hook 15->56 30 conhost.exe 20->30         started        52 smtp.ola4tai.com 22->52 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->58 60 Tries to steal Mail credentials (via file access) 22->60 62 Tries to harvest and steal ftp login credentials 22->62 64 Tries to harvest and steal browser information (history, passwords, etc) 22->64 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/230e96f9118ac3ca1c34972b1d270cf12b69755bef0f049db0197552a5c61cde/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-10 13:05:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=emhjn6irrlb4uhbus4vr2jym6evws5k354hqjhnqdf2vfjogdtpa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'396 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200810-zkrenkskk6/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
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/230e96f9118ac3ca1c34972b1d270cf12b69755bef0f049db0197552a5c61cde

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 d8f349423609a0ba6ac722d59a263044d1ee5403ae8a32011e9a7f88ca4a4918

AgentTesla

Executable exe 230e96f9118ac3ca1c34972b1d270cf12b69755bef0f049db0197552a5c61cde

(this sample)

  
Dropped by
MD5 8dec50ca2059cfc09047773e73e4befe
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42776/
  
Dropped by
SHA256 d8f349423609a0ba6ac722d59a263044d1ee5403ae8a32011e9a7f88ca4a4918

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