MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b46bd25fca309781558509bdb4f408b085d83c74e71adc5de4eeb349bc8c4c7a. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b46bd25fca309781558509bdb4f408b085d83c74e71adc5de4eeb349bc8c4c7a
SHA3-384 hash: 1fe8d63c92bf96608c17f47f48d23c1864c8190621dcf678b5f35adbb21e0e08f4688fe690416a250440818590a0da0b
SHA1 hash: aa4e83e6080009a5aa03e29f74ed6a5f0a0b3f3a
MD5 hash: 183595e45c54758cd9adaeb3afe302e9
humanhash: sad-nineteen-jersey-winner
File name:DHL_AWB #1008936572891_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'566'208 bytes
First seen:2020-08-07 13:19:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:mJ9LQ04xdH2cI1xvhm+LP2mpuHz9vYDqTl+E4Yf:mJ2/bI1xBT2nT9vYed4
Threatray 228 similar samples on MalwareBazaar
TLSH 37758437AECBA414E4ADC17CD4B446EDE1B2795DAD93B74EBAC607082D03247BB25087
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: de.uitn.com
Sending IP: 144.76.245.34
From: DHL EXPRESS <CUSTOMERSERVICE@DHL.COM>
Reply-To: DHL EXPRESS <soomla6384@yahoo.com>
Subject: Ref: DHL_AWB #1008936572891
Attachment: DHL_AWB 1008936572891_pdf.rar (contains "DHL_AWB #1008936572891_pdf.exe")

AgentTesla FTP exfil server:
ftp.celicnabravarija.com:21

AgentTesla FTP exfil user name:
logs@celicnabravarija.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/41632/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.13515.11065.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Launching the process to change network settings
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Threat name:
AgentTesla Matiex
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/415271
Signature
Allocates memory in foreign processes
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
May check the online IP address of the machine
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: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Matiex Keylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 259889 Sample: DHL_AWB #1008936572891_pdf.exe Startdate: 07/08/2020 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->58 60 Sigma detected: Capture Wi-Fi password 2->60 62 Yara detected Matiex Keylogger 2->62 64 8 other signatures 2->64 8 DHL_AWB #1008936572891_pdf.exe 7 2->8         started        12 dup.exe 5 2->12         started        15 WEqfDb.exe 2->15         started        17 WEqfDb.exe 2->17         started        process3 dnsIp4 40 C:\Users\user\AppData\Roaming\...\dup.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 8->42 dropped 76 Writes to foreign memory regions 8->76 78 Allocates memory in foreign processes 8->78 80 Injects a PE file into a foreign processes 8->80 19 RegAsm.exe 16 4 8->19         started        24 dup.exe 15 6 8->24         started        52 rykevantures.xyz 12->52 54 checkip.dyndns.org 12->54 56 4 other IPs or domains 12->56 82 Tries to steal Mail credentials (via file access) 12->82 84 Tries to harvest and steal WLAN passwords 12->84 26 netsh.exe 12->26         started        28 conhost.exe 15->28         started        30 conhost.exe 17->30         started        file5 signatures6 process7 dnsIp8 44 ftp.celicnabravarija.com 78.46.56.160, 21, 49752, 49753 HETZNER-ASDE Germany 19->44 38 C:\Users\user\AppData\Roaming\...\WEqfDb.exe, PE32 19->38 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->68 70 Tries to steal Mail credentials (via file access) 19->70 74 4 other signatures 19->74 46 rykevantures.xyz 24->46 48 checkip.dyndns.org 24->48 50 4 other IPs or domains 24->50 72 Tries to harvest and steal WLAN passwords 24->72 32 netsh.exe 24->32         started        34 conhost.exe 26->34         started        file9 signatures10 process11 process12 36 conhost.exe 32->36         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b46bd25fca309781558509bdb4f408b085d83c74e71adc5de4eeb349bc8c4c7a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-07 13:21:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrv5ex6kgclycvmfbg63j5aiwcc5qpdu44nnyxpe52zutpemjr5a._file
Verdict:
unknown
Similar samples:
1973b3eff839047a3a75d58777161e58b49fbbbd9255966bd74add7a93507bc3
AgentTesla
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9827d07eba83763e229dfa24ce8c14e3751b216bba993a299f333a429b08232f
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a73985784fd11ed9276d875521a98618001f232d756f3290b694466c16123a46
AgentTesla
cf8207bd6ead9bcadcaaaad2940956f75d90a67daf6ddb8dc1907900645a5f69
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cf8fab966145ea0701db997fd11c2969c984d6793d668f84e113f358274150a6
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dd22ddd3720b67b66c945d706c20a70b839499521bf4beb84626c500623975cc
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f724bcf4c7048f177dcf17bd2b68822f75b9ff41957f026d7ceb6ff0082a25b0
AgentTesla
+ 218 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200807-qxbcllnstn/
Behaviour
AgentTesla Payload
Agenttesla family
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/b46bd25fca309781558509bdb4f408b085d83c74e71adc5de4eeb349bc8c4c7a

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

rar 45179fd28fc956620d273d4189756307a6ca686355e5106fff4480c602578b7d

AgentTesla

Executable exe b46bd25fca309781558509bdb4f408b085d83c74e71adc5de4eeb349bc8c4c7a

(this sample)

  
Dropped by
MD5 3fe19e40ab780fc7192ce436feeb3fbc
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 45179fd28fc956620d273d4189756307a6ca686355e5106fff4480c602578b7d
Cape
Cape
https://www.capesandbox.com/analysis/41632/

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