MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca
SHA3-384 hash: 1076dc27bab5e27a0ceff29d9742f9816720ba6e11961bd896ad547b6080cea027374c621722a5188bc3a3067986c646
SHA1 hash: 55f2c9c5622104af60bbdfdb50614d3add1cf83d
MD5 hash: 3c68883aec0f8998e92336eb1e4a5dfc
humanhash: delaware-ceiling-stairway-sweet
File name:SecuriteInfo.com.BehavesLike.Win32.Generic.tz.259
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'076'160 bytes
First seen:2021-01-26 11:05:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:j2cPNAfYCxx6xlMKJSxkw4RNIItpddRYiaffr88kWZKv7mvsc/wRvrlnHM7X1Hx7:j2
Threatray 2'287 similar samples on MalwareBazaar
TLSH C8A596976F0F60899C77C1EBC2E369AEDE89BB781077094914E0D7A3F2570859F04EA1
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.BehavesLike.Win32.Generic.tz.259
Verdict:
Malicious activity
Analysis date:
2021-01-26 11:38:26 UTC
Tags:
rat agenttesla trojan
Link:
https://app.any.run/tasks/e2d4f52c-d970-4b4c-84f4-d3ed5e66203e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent02
Create hunting rule
Link:
https://www.capesandbox.com/analysis/113853/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tz.259.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Creating a process with a hidden window
DNS request
Sending a UDP request
Using the Windows Management Instrumentation requests
Adding exclusions to Windows Defender
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/590544
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 344319 Sample: SecuriteInfo.com.BehavesLik... Startdate: 26/01/2021 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 8 other signatures 2->46 8 SecuriteInfo.com.BehavesLike.Win32.Generic.tz.exe 3 2->8         started        process3 file4 24 SecuriteInfo.com.B....Generic.tz.exe.log, ASCII 8->24 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->50 12 SecuriteInfo.com.BehavesLike.Win32.Generic.tz.exe 20 4 8->12         started        signatures5 process6 dnsIp7 30 pastebin.com 104.23.99.190, 443, 49725 CLOUDFLARENETUS United States 12->30 52 Adds a directory exclusion to Windows Defender 12->52 54 Injects a PE file into a foreign processes 12->54 16 SecuriteInfo.com.BehavesLike.Win32.Generic.tz.exe 2 12->16         started        20 powershell.exe 22 12->20         started        signatures8 process9 dnsIp10 26 mail.owlpk.com 198.187.31.7, 49755, 49756, 49757 NAMECHEAP-NETUS United States 16->26 28 192.168.2.1 unknown unknown 16->28 32 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->32 34 Tries to steal Mail credentials (via file access) 16->34 36 Tries to harvest and steal ftp login credentials 16->36 38 2 other signatures 16->38 22 conhost.exe 20->22         started        signatures11 process12
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-26 03:52:52 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qpwujwydvtckx63fliqryapahrllvmvac3tahxtev3vqxsuko7fa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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2c3a5672edac823cdf4801786f4d4802acdca915a8becd6b544d94c0f2024f4e
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371793ef15c6e1d0b0ab0edf326d4ab60ba5ce8cf26676fcc1ebd6329a23e914
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4e0f1a66466311d8610b4610fc7ce3c8ea4bb8b71528035cbe3ff2204c3dacd3
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7c49ac4366eb07c5e5a146356908ba9e2e7e1bb2630422821f93530f0e2ec2ed
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a3ed514949ec3a2bef161647cb6223a13db74b6d43bef963466fdd8104f2689c
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aba6e7eb4829aa943ce897edb7d6a6c7f9c91c516098734799d646d195bbbabd
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b1601867a9da1a51e59ddfc6c1d2d4cae7190945cbc163a04400a1b2b872aee8
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e497cfbd4e4df1948752cf38a3125c68ec2bbc77d769217029d0938df07029bf
AgentTesla
f6d1d069d1d55f689ae9550ca6b7fe88708b6a0db52043ffe0d21bd79ce246c5
AgentTesla
+ 2'277 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger ransomware spyware stealer trojan
Link:
https://tria.ge/reports/210126-fcawqwzkca/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Windows security modification
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Modifies Windows Defender Real-time Protection settings
Windows security bypass
AgentTesla
Turns off Windows Defender SpyNet reporting
Unpacked files
SH256 hash:
1c0ef6e8155668781f37a2f7b0fb52a0beb1b216578acc74a2018964641f5c26
MD5 hash:
5972cf80cf724b336f20d31b01170e41
SHA1 hash:
17afde38326ba25deb43f023e368f2a638a00477
Link:
https://www.unpac.me/results/d610b5da-7767-46a5-aaf0-c700bc3c03f6/
SH256 hash:
9dd65bf744c143145a50c4086404581e0069c6c7ffce7714316ac6fe47d97b67
MD5 hash:
749cb07507c82a7f4fde26d982720bd7
SHA1 hash:
d7c65c85ed981add1406331236d630385227925d
Link:
https://www.unpac.me/results/d610b5da-7767-46a5-aaf0-c700bc3c03f6/
SH256 hash:
83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca
MD5 hash:
3c68883aec0f8998e92336eb1e4a5dfc
SHA1 hash:
55f2c9c5622104af60bbdfdb50614d3add1cf83d
Link:
https://www.unpac.me/results/d610b5da-7767-46a5-aaf0-c700bc3c03f6/
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/83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 83ed44db03acc4abfb655a211c01e03c56bab2a016e603de64aeeb0bca8a77ca

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/978559/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113853/

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