MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7926de68f0148fa153c0419a0f5ef355f14f705ced4485fea5ce745b3b6c29b8. 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

SHA256 hash: 7926de68f0148fa153c0419a0f5ef355f14f705ced4485fea5ce745b3b6c29b8
SHA3-384 hash: 362cde533cea515c2bf0854939437bcc5f71ee4db8b984d148039a4919c3037bbd52b1b5e8087d7be4a88f845156e1a5
SHA1 hash: 3d3ab5401a5342eb1db769044158c3b689ddbf1e
MD5 hash: 4ddacd69b1dde544b039737f3407bb3d
humanhash: cat-salami-equal-mango
File name:PO copy.pdf.exe
Download: download sample
Signature AgentTesla
File size:744'448 bytes
First seen:2020-07-29 06:42:09 UTC
Last seen:2020-07-29 14:36:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e8ef47e85c79ee608837cc415c05c43b (15 x AgentTesla, 5 x NanoCore, 5 x Loki)
ssdeep 12288:rRXtpnVH9Az44BnvOCDhzcl0UdKndi2bnXMBsO37/3m1d2DSNpB0K:rfd8z4byilBdlGXssO3rEcDUF
Threatray 11'651 similar samples on MalwareBazaar
TLSH 64F4AF62B2E14833D1672E3BBC1B57649B3ABE102E3859452FFC1C4C5F3979138662A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: victim-domain
Sending IP: 160.20.147.128
From: sales01@victim-domain
Subject: Recheer (荣宸) 日记账 2020/07/28
Attachment: PO copy.pdf.z (contains "PO copy.pdf.exe")

AgentTesla SMTP exfil server:
mail.sensar-light.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DataStealer
Status:
Malicious
First seen:
2020-07-29 06:44:08 UTC
File Type:
PE (Exe)
Extracted files:
46
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger trojan stealer spyware family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 7926de68f0148fa153c0419a0f5ef355f14f705ced4485fea5ce745b3b6c29b8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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