MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 546e90a57a2a9ea04d14b0d29e99c89efa2002c45e83a5b30411e2d669715df1. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 546e90a57a2a9ea04d14b0d29e99c89efa2002c45e83a5b30411e2d669715df1
SHA3-384 hash: 02169ef699d81bdf0e400f85fb63d733926224a4c192fde79f5305f8b0a1ff75552ab698e16e2da98acd5fef17229163
SHA1 hash: d2a9de7fedb58424ada2a08229072a9d35222c9d
MD5 hash: 54ea0f11f6b3e5c7b2ce4ace61a6db71
humanhash: idaho-jig-sweet-muppet
File name:PI2962021.Xlxs.exe
Download: download sample
Signature AgentTesla
File size:969'216 bytes
First seen:2021-06-29 14:11:08 UTC
Last seen:2021-06-29 14:57:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:oQn2lO3hNKXxguMOkuIm+yORXuliKUDgzCF:lQ8CXxtMiO0vUDh
Threatray 6'195 similar samples on MalwareBazaar
TLSH D7257BE02AA8D627F3BA9F7D8560143053FDBE139B12C9587DB531D90733A71C9A123A
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI2962021.Xlxs.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-29 14:12:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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)
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 ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 441856 Sample: PI2962021.Xlxs.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 28 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->28 30 Found malware configuration 2->30 32 Yara detected AgentTesla 2->32 34 6 other signatures 2->34 6 PI2962021.Xlxs.exe 3 2->6         started        10 OkJIGEH.exe 3 2->10         started        12 OkJIGEH.exe 2 2->12         started        process3 file4 22 C:\Users\user\...\PI2962021.Xlxs.exe.log, ASCII 6->22 dropped 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->38 40 Injects a PE file into a foreign processes 6->40 14 PI2962021.Xlxs.exe 2 5 6->14         started        42 Multi AV Scanner detection for dropped file 10->42 44 Machine Learning detection for dropped file 10->44 18 OkJIGEH.exe 2 10->18         started        20 OkJIGEH.exe 10->20         started        signatures5 process6 file7 24 C:\Users\user\AppData\Roaming\...\OkJIGEH.exe, PE32 14->24 dropped 26 C:\Users\user\...\OkJIGEH.exe:Zone.Identifier, ASCII 14->26 dropped 46 Tries to steal Mail credentials (via file access) 14->46 48 Tries to harvest and steal ftp login credentials 14->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->50 signatures8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-29 14:11:11 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
1c5e0a0d909d1da24af87967a1e154c8aa490a1f99c6624e7214d20eb84f4fec
MD5 hash:
81faf15c7e3c9446d906659f7c7a9f16
SHA1 hash:
d7e05a22b109ce608109dc509029a7fe22b4b8bf
SH256 hash:
b6f7bf764f6f248d723c1bd615efa3e371c5eff2f1852f6cb6619370923e5888
MD5 hash:
3f6bb65d301ac8ae15f1ea2155bb3a98
SHA1 hash:
bd4cf8edec5298576bb41f99a849d0b85996392d
SH256 hash:
6d6571bb9410ae55642ff414b17625a8f2ae71622ddf11d40bb19c4f7588841a
MD5 hash:
480c7a8f4e6ca781c55368dcf6cc1541
SHA1 hash:
69059390a1c7ec706c13b14c26481eaaa5dc6026
SH256 hash:
546e90a57a2a9ea04d14b0d29e99c89efa2002c45e83a5b30411e2d669715df1
MD5 hash:
54ea0f11f6b3e5c7b2ce4ace61a6db71
SHA1 hash:
d2a9de7fedb58424ada2a08229072a9d35222c9d
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: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 546e90a57a2a9ea04d14b0d29e99c89efa2002c45e83a5b30411e2d669715df1

(this sample)

  
Delivery method
Distributed via e-mail attachment

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