MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33e776ea3003ef1d2c9383df7fd00e36de86ace90b2693798cbe0d49c2284b85. 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 2 File information Comments

SHA256 hash: 33e776ea3003ef1d2c9383df7fd00e36de86ace90b2693798cbe0d49c2284b85
SHA3-384 hash: 5a048a15457a36e143bbddf23020ec63c113da5750ccf210a3b831d819a97b57fc404f70b8fc3da078fe8d7037507b01
SHA1 hash: d14d41089d58b394af1a3f954be315e1a8f4b2a0
MD5 hash: 3636dbafd9e7d2c9fbcf6925814785f4
humanhash: michigan-lactose-ten-gee
File name:3636dbafd9e7d2c9fbcf6925814785f4.exe
Download: download sample
Signature AgentTesla
File size:516'096 bytes
First seen:2022-01-19 08:51:26 UTC
Last seen:2022-01-19 10:44:27 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:Ody7g/vmfXxRPGIbgDdV1hRarXcFAxrqRN60vydYt:tg2/BUxhRaICxo3vy+
Threatray 13'974 similar samples on MalwareBazaar
TLSH T1F8B401540BF98A45D97E0BB8E57641900778FD0331A3F71E6B8970A73EB374A46432BA
File icon (PE):PE icon
dhash icon c49a18b4909c64d4 (9 x AveMariaRAT, 6 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated packed remote.exe replace.exe update.exe
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.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
Antivirus detection for URL or domain
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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: Suspicious Script Execution From Temp Folder
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 555708 Sample: h5cZMtfnU8.exe Startdate: 19/01/2022 Architecture: WINDOWS Score: 100 63 grace.adds-only.xyz 2->63 67 Multi AV Scanner detection for domain / URL 2->67 69 Antivirus detection for URL or domain 2->69 71 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->71 73 13 other signatures 2->73 8 h5cZMtfnU8.exe 7 2->8         started        12 NvmykUR.exe 2->12         started        14 NvmykUR.exe 2->14         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\IzlVwhlRIiJLdZ.exe, PE32 8->49 dropped 51 C:\...\IzlVwhlRIiJLdZ.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmpC875.tmp, XML 8->53 dropped 55 C:\Users\user\AppData\...\h5cZMtfnU8.exe.log, ASCII 8->55 dropped 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->75 77 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 16 h5cZMtfnU8.exe 8->16         started        21 powershell.exe 25 8->21         started        23 powershell.exe 24 8->23         started        25 schtasks.exe 8->25         started        81 Machine Learning detection for dropped file 12->81 83 Adds a directory exclusion to Windows Defender 12->83 27 powershell.exe 12->27         started        29 powershell.exe 12->29         started        31 schtasks.exe 12->31         started        signatures6 process7 dnsIp8 57 frcomex.com.br 51.81.104.180, 49799, 80 OVHFR United States 16->57 59 192.168.2.1 unknown unknown 16->59 61 www.frcomex.com.br 16->61 43 C:\Users\user\AppData\Roaming\...43vmykUR.exe, PE32 16->43 dropped 45 C:\Users\user\AppData\...\wechatstxup.exe, PE32 16->45 dropped 47 C:\Users\user\...47vmykUR.exe:Zone.Identifier, ASCII 16->47 dropped 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->65 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        41 conhost.exe 29->41         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-19 08:52:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Unpacked files
SH256 hash:
a34110826896bc7ce95363bf39c945cc91d4f55059b0ed77d8ac19112200b02c
MD5 hash:
19fa0901e3e369f4e4af16d972072c77
SHA1 hash:
d48656069ff5528ecfce3b7fc27440f3af898a81
SH256 hash:
52b311e0bd460cdbec62f0bf82bb59e88915b95e51ca0aac8279236c35a43af7
MD5 hash:
8dfa1ddb28b9f42ae3894f9052f237de
SHA1 hash:
94a9f742cbdc2d0594f19ab2581aefb215026b47
SH256 hash:
8b25188a1581753b0faa89a7e371d2cc852fd95635b8503b6b20a4263af486e8
MD5 hash:
384cab014157440d3c462a97689e40ff
SHA1 hash:
4b91e7dfd574e04db14d2e3223df9327a5b95ba2
SH256 hash:
33e776ea3003ef1d2c9383df7fd00e36de86ace90b2693798cbe0d49c2284b85
MD5 hash:
3636dbafd9e7d2c9fbcf6925814785f4
SHA1 hash:
d14d41089d58b394af1a3f954be315e1a8f4b2a0
Malware family:
Agent Tesla v3
Verdict:
Malicious
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.

Web download

AgentTesla

Executable exe 33e776ea3003ef1d2c9383df7fd00e36de86ace90b2693798cbe0d49c2284b85

(this sample)

  
Delivery method
Distributed via web download

Comments