MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a974e03e51e5005b27cf9a39c1ee7f607b959be14ae985ee29be1afa1bd2199b. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments

SHA256 hash: a974e03e51e5005b27cf9a39c1ee7f607b959be14ae985ee29be1afa1bd2199b
SHA3-384 hash: a77440af040e826dd7f2f477a22bb8112789b3a26471159cad8894c448346e88e0de347b17756949b76840ad0f3464ec
SHA1 hash: c65aa2efb32c857a19fdc612a922966d99ffcad0
MD5 hash: a599c9aa79223f515034135cbb61e50d
humanhash: vermont-lithium-helium-eighteen
File name:ePnirgeRVNAgcFI.exe
Download: download sample
Signature AgentTesla
File size:592'896 bytes
First seen:2021-12-17 07:17:42 UTC
Last seen:2021-12-17 08:41:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:r8PapPapPaxXHt3dzRUIsglt4bz3Tn6InJBuSK3:r8P8P8PcN9RTLmTWIJUSK3
Threatray 13'479 similar samples on MalwareBazaar
TLSH T174C4EF1132A8DB26C4B9A7F84C60A4B007BA7D16A676E70F1DC17CEF31B6F904690B57
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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:
75%
Tags:
fareit obfuscated packed
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Injects a PE file into a foreign processes
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
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 541398 Sample: ePnirgeRVNAgcFI.exe Startdate: 17/12/2021 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 8 other signatures 2->39 7 ePnirgeRVNAgcFI.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\suYyerC.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpA3E2.tmp, XML 7->25 dropped 27 C:\Users\user\...\ePnirgeRVNAgcFI.exe.log, ASCII 7->27 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 2 other signatures 7->47 11 ePnirgeRVNAgcFI.exe 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 gruptruck.com 94.199.200.42, 49792, 587 AEROTEK-ASTR Turkey 11->29 31 mail.gruptruck.com 11->31 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 Tries to harvest and steal ftp login credentials 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-16 15:56:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
24 of 43 (55.81%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
d3806488b3dda1092e3f53ec8a18ee68ee1c34cc4241cdfdb8171dd0cf9f4f57
MD5 hash:
ddf7e17637e9043345fd005a3862816f
SHA1 hash:
a0a232a4615bad964fdd1dca4201ef98aba19250
SH256 hash:
0567b467a66fdfd5b6e8b136d1912f9ef8c2eddecfccbf0188958468b37428d2
MD5 hash:
81704576ebfee7ab5b501cd9755efcab
SHA1 hash:
29392465a90df768ea4a25449097085a06645ac2
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
SH256 hash:
a974e03e51e5005b27cf9a39c1ee7f607b959be14ae985ee29be1afa1bd2199b
MD5 hash:
a599c9aa79223f515034135cbb61e50d
SHA1 hash:
c65aa2efb32c857a19fdc612a922966d99ffcad0
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AgentTesla

Executable exe a974e03e51e5005b27cf9a39c1ee7f607b959be14ae985ee29be1afa1bd2199b

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments