MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9a21aab7dbdd5e5c20f35bdb733db80e7127e23b005865297a35ff014168090. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f9a21aab7dbdd5e5c20f35bdb733db80e7127e23b005865297a35ff014168090
SHA3-384 hash: ea58141046e7e86f6c133cf90968195845ce38c3322f9c4520515b7ad1f7b7701908c62729524c56ad98eec56e3c6c7a
SHA1 hash: 422bbe9e0354ecd3801ca796c53a16b3b8c8f581
MD5 hash: 897a6274e78c0020d1d771f18c1f8352
humanhash: bravo-nevada-sixteen-michigan
File name:Spares_RFQ_ORCA_SP_20_V053_OCEANMARIN_710.PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:702'464 bytes
First seen:2020-08-20 06:17:42 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:L+gweTjuFaLCfseFrr7cQ8nYVfuEJjiD7/V/NbG15:hweTjdTeFTcbnYdl9iDzV/NbG1
Threatray 9'477 similar samples on MalwareBazaar
TLSH AEE40253353887D6E5264BF0C830A8426FB56F356E22E34A3DF23BDD69347528910BA7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: iux0.315.metalvxini.ml
Sending IP: 142.93.144.42
From: PACC Tanker Management Pte. Ltd <sam.soh@paccship.com.sg>
Subject: SPARES Reqn Ref: ORCA-SP-20-V053: INVITATION TO QUOTE
Attachment: Spares_RFQ_ORCA_SP_20_V053_OCEANMARIN_710.PDF.zip (contains "Spares_RFQ_ORCA_SP_20_V053_OCEANMARIN_710.PDF.exe")

AgentTesla SMTP exfil server:
mail.expresshonda.com:587

AgentTesla SMTP exfil email address:
spares@expresshonda.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48997/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/440562
Signature
Found malware configuration
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
Machine Learning detection for sample
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: Suspicious Double Extension
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 access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 272884 Sample: Spares_RFQ_ORCA_SP_20_V053_... Startdate: 21/08/2020 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Yara detected AgentTesla 2->39 41 Yara detected AntiVM_3 2->41 43 5 other signatures 2->43 6 DsWhv.exe 3 2->6         started        9 Spares_RFQ_ORCA_SP_20_V053_OCEANMARIN_710.PDF.exe 3 2->9         started        12 DsWhv.exe 2 2->12         started        process3 file4 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->45 47 Machine Learning detection for dropped file 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 51 Injects a PE file into a foreign processes 6->51 14 DsWhv.exe 2 6->14         started        18 DsWhv.exe 6->18         started        31 Spares_RFQ_ORCA_SP...RIN_710.PDF.exe.log, ASCII 9->31 dropped 20 Spares_RFQ_ORCA_SP_20_V053_OCEANMARIN_710.PDF.exe 2 5 9->20         started        23 Spares_RFQ_ORCA_SP_20_V053_OCEANMARIN_710.PDF.exe 9->23         started        25 DsWhv.exe 2 12->25         started        signatures5 process6 dnsIp7 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->53 55 Tries to steal Mail credentials (via file access) 14->55 57 Tries to harvest and steal ftp login credentials 14->57 59 Tries to harvest and steal browser information (history, passwords, etc) 14->59 33 mail.expresshonda.com 216.172.109.173, 49739, 49740, 587 ZC38-AS1US United States 20->33 35 192.168.2.1 unknown unknown 20->35 27 C:\Users\user\AppData\Roaming\...\DsWhv.exe, PE32 20->27 dropped 29 C:\Users\user\...\DsWhv.exe:Zone.Identifier, ASCII 20->29 dropped 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->61 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f9a21aab7dbdd5e5c20f35bdb733db80e7127e23b005865297a35ff014168090/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-20 05:31:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7grbvk35xxk6lqqpgw63om63qdtre7rdwacymuuxunp7afawqcia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'467 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/200820-mb9jxxnj1x/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/f9a21aab7dbdd5e5c20f35bdb733db80e7127e23b005865297a35ff014168090

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.

a12a3a0369159c199ab3697784a2d468

AgentTesla

Executable exe f9a21aab7dbdd5e5c20f35bdb733db80e7127e23b005865297a35ff014168090

(this sample)

  
Dropped by
MD5 a12a3a0369159c199ab3697784a2d468
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48997/

Comments