MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e55fa6d522797aa62f012c3015e78a4cc6a27a2d76c6dbd41ad975d3e43b78a. 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 1

SHA256 hash: 1e55fa6d522797aa62f012c3015e78a4cc6a27a2d76c6dbd41ad975d3e43b78a
SHA3-384 hash: 017cf8aec5ce9b5e6d8355d85adab169d67f02b5e81f7684c16ff63e11e7ceed39ed168f6f1c507416e398cdc824dff3
SHA1 hash: 0335fabf1139672d7d345878fb455bb871e91445
MD5 hash: 83f56a4719ebbc90a0f27843cebf19ca
humanhash: mountain-saturn-fix-iowa
File name:83f56a4719ebbc90a0f27843cebf19ca
Download: download sample
Signature AgentTesla
File size:1'092'096 bytes
First seen:2021-12-09 13:56:04 UTC
Last seen:2021-12-09 16:41:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:Dk6n+1aULytD/pq2GpS5pYPbyENVhqWSHsQWFHAy6wK+RWJrYVvYTwKcFCipLN5+:Dz+IiiLYpS5p6voW0MT5G8FRxnj
TLSH T10C3522AD36A396CDC99142BB3766813802767C37645BC29CD4AA328F5C377D0B973A43
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ORDEN DE COMPRA.doc
Verdict:
Malicious activity
Analysis date:
2021-12-09 13:36:40 UTC
Tags:
ole-embedded

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 537300 Sample: UumWEMdveI Startdate: 09/12/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 10 other signatures 2->41 7 UumWEMdveI.exe 7 2->7         started        process3 file4 25 C:\Users\user\AppData\...behaviorgraphEDYwwDNtzl.exe, PE32 7->25 dropped 27 C:\Users\...behaviorgraphEDYwwDNtzl.exe:Zone.Identifier, ASCII 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp858D.tmp, XML 7->29 dropped 31 C:\Users\user\AppData\...\UumWEMdveI.exe.log, ASCII 7->31 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Adds a directory exclusion to Windows Defender 7->49 11 UumWEMdveI.exe 6 7->11         started        15 powershell.exe 24 7->15         started        17 schtasks.exe 1 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 33 us2.smtp.mailhostbox.com 208.91.199.223, 49825, 49826, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Tries to harvest and steal ftp login credentials 11->55 57 2 other signatures 11->57 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-07 17:27:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
21 of 28 (75.00%)
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 SetWindowsHookEx
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:
673965f4b0469c0750d2dbf4c6a399d450046ba7c7a758c0406480930b47ee3b
MD5 hash:
c732a36d9f94785237f4b2042e781468
SHA1 hash:
ba671c42cab2327b2ed641ee14411308d96cc1d1
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
SH256 hash:
6db2b87880d9926f767babaaa2c6b90953174245b6f7ece6d7c9964eb6162b80
MD5 hash:
efdb3b9995d8277eb1080451c3f20dc8
SHA1 hash:
0df74e1a7da485973f71a476aa84584b9e2258e4
SH256 hash:
1e55fa6d522797aa62f012c3015e78a4cc6a27a2d76c6dbd41ad975d3e43b78a
MD5 hash:
83f56a4719ebbc90a0f27843cebf19ca
SHA1 hash:
0335fabf1139672d7d345878fb455bb871e91445
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.

Web download

AgentTesla

Executable exe 1e55fa6d522797aa62f012c3015e78a4cc6a27a2d76c6dbd41ad975d3e43b78a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-12-09 13:56:06 UTC

url : hxxp://173.232.204.89/ikik.exe