MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83a48b4d9d6b7600a6c597af9bf03368bcf3a6a84be1c0f33f064eea3777d8e3. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83a48b4d9d6b7600a6c597af9bf03368bcf3a6a84be1c0f33f064eea3777d8e3
SHA3-384 hash: bdfeda3f3045b25a4a1fb0e45735d0ea2605c7baf24834d869635a40abfc08f52793675e97d44cbc8ef6a6ba255e9efd
SHA1 hash: 4c929b4009df619086a5dba5c728bba3c5ccadf4
MD5 hash: 8563ce9ac17095a15ff35fb11e79949a
humanhash: idaho-johnny-table-undress
File name:Vessel's Details.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'086'464 bytes
First seen:2022-02-22 11:03:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:fLLNv7L254SQCs5nmJByHn+4JUnZidAr:17a54S7J8UZig
Threatray 15'004 similar samples on MalwareBazaar
TLSH T186356A40A5934F3CF0750EB704E4D956FAD4AEA31C07A3ADBB40F6DDCB33A61984916A
File icon (PE):PE icon
dhash icon 00e0f0f0e0e0e000 (4 x SnakeKeylogger, 3 x AgentTesla, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.MSIL.NanoBot.mc.30336.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
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 process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/6214c32a875593a3cc025c09/reports/c276cb6a-0b7e-43f3-841d-086b0c6a0ef6/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f838c57f-4a6e-42b0-9738-7a1d1a85a4d1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/943877
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 576351 Sample: Vessel's Details.exe Startdate: 22/02/2022 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Yara detected AgentTesla 2->33 35 12 other signatures 2->35 7 Vessel's Details.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\LvTqTTDl.exe, PE32 7->21 dropped 23 C:\Users\...\LvTqTTDl.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpED6F.tmp, XML 7->25 dropped 27 C:\Users\user\...\Vessel's Details.exe.log, ASCII 7->27 dropped 37 Adds a directory exclusion to Windows Defender 7->37 11 powershell.exe 25 7->11         started        13 schtasks.exe 1 7->13         started        15 Vessel's Details.exe 2 7->15         started        signatures5 process6 process7 17 conhost.exe 11->17         started        19 conhost.exe 13->19         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83a48b4d9d6b7600a6c597af9bf03368bcf3a6a84be1c0f33f064eea3777d8e3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-22 11:04:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qosiwtm5nn3abjwfs6xzx4btnc6phjvijpq4b4z7azhoun3x3drq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2a7d77404a47a368e29147ecd69687338c3e0ebefb137d459b28ed0305420620
AgentTesla
6e2c1783d043a360901610858e7469d1c667151d29e1cca0002db3bc131ccc37
AgentTesla
70c6fd4de902c8ccce31380698b123def84b4d209c8b824e1065349a5aee9de2
AgentTesla
8e328f08c530f433084036d59800d85b4ba2911a77b9a8877226c69ee2b7aaef
AgentTesla
9a597a7be3da23c4e2fe27e40a72a4b509fdb2959174380c673aae882e8163de
AgentTesla
c3e4c2e1e242cf92142f4d4fb1896354cfa07089f40243b31046ff3eae8ac2c8
AgentTesla
+ 14'994 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220222-m591lsgad5/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla Payload
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1707668650:AAFJBUcmT6aGlXwy3-beDARhm0ji930DCzM/sendDocument
Unpacked files
SH256 hash:
8a569d964f9438617417f695cd0d65c9ca95dadba4bb9bad7144baa0a09157c8
MD5 hash:
f13f5cbc14f035e8aaca4612065bb5be
SHA1 hash:
9a63aab8a0f9491cd0da68b69da392d2c0c2be2f
Link:
https://www.unpac.me/results/96352890-7f04-481f-b589-69adaed315db/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/96352890-7f04-481f-b589-69adaed315db/
SH256 hash:
16c5ae7f877eb222087a5182c8a2b7386aa95de1f23d4840fc5ca8ee9d87e5e0
MD5 hash:
e46f1e546c97a867f211cb45b58a260f
SHA1 hash:
5683f109e5ed4f78eafe99a1727abeda95a9f9aa
Link:
https://www.unpac.me/results/96352890-7f04-481f-b589-69adaed315db/
SH256 hash:
231246c3bab221fda7d0cbdeb3b73be0ccc3a3223ab0973275b1adca85abb7a4
MD5 hash:
5c85dd3a9ca75def4dc5b520088f7111
SHA1 hash:
4e2c7c5dff93d12f489b3f27dd0bde2319480ac2
Link:
https://www.unpac.me/results/96352890-7f04-481f-b589-69adaed315db/
SH256 hash:
83a48b4d9d6b7600a6c597af9bf03368bcf3a6a84be1c0f33f064eea3777d8e3
MD5 hash:
8563ce9ac17095a15ff35fb11e79949a
SHA1 hash:
4c929b4009df619086a5dba5c728bba3c5ccadf4
Link:
https://www.unpac.me/results/96352890-7f04-481f-b589-69adaed315db/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/83a48b4d9d6b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/83a48b4d9d6b7600a6c597af9bf03368bcf3a6a84be1c0f33f064eea3777d8e3

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 83a48b4d9d6b7600a6c597af9bf03368bcf3a6a84be1c0f33f064eea3777d8e3

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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