MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91aec1cffe5f0160137ab5d98b28a1c381465abbb7ad8c2c1c8dd6df05345e34. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 91aec1cffe5f0160137ab5d98b28a1c381465abbb7ad8c2c1c8dd6df05345e34
SHA3-384 hash: d44e47876053260c7e608cc62a92c2aee901e572c3860c0e57529f8cb5678f57122bfce34676ed852d726daf24e6523f
SHA1 hash: ada458c5d249323f9e93eb011a353a47a6663509
MD5 hash: 474b9df0f2789b0e0b8e88d0106a449c
humanhash: washington-shade-nineteen-seventeen
File name:Payment Slip1.exe
Download: download sample
Signature AgentTesla
File size:781'824 bytes
First seen:2020-08-10 12:48:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ce9dc34dcdc6dcac1abc92d3ec049de7 (11 x AgentTesla, 4 x MassLogger, 2 x FormBook)
ssdeep 12288:MQoTCHdOasekxlSBWq6UDb9BxgMBFGCeR7HT70+VD2gIkj:Z4UOaeCWal93GVRLEruj
Threatray 11'757 similar samples on MalwareBazaar
TLSH 79F4AF26E2E04837C367DA3F9C1B5667982ABE513E2469452BE45C4C4F397B03C252BF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.bgesoaeg.ml
Sending IP: 5.8.93.45
From: Accounts <candy@bgesoaeg.ml>
Subject: Receipt of Payment
Attachment: Payment Slip1.rar (contains "Payment Slip1.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
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 (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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
Potential time zone aware malware
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2020-08-10 12:50:11 UTC
AV detection:
16 of 48 (33.33%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
UPX packed file
AgentTesla Payload
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 91aec1cffe5f0160137ab5d98b28a1c381465abbb7ad8c2c1c8dd6df05345e34

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments