MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dab8c3350d525d66785c80647dd39cac8fc981c7a18c66b8bea5526926c6aad6. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dab8c3350d525d66785c80647dd39cac8fc981c7a18c66b8bea5526926c6aad6
SHA3-384 hash: 5fb37379df3f5ed92156f777b7192436a545b33317ad39013a2a568bdd3dc77312080b4caca1918ae23441cee96eef89
SHA1 hash: 07f268f8a3443f542a0d620aece2c23a30f6451b
MD5 hash: 1331ca8cfbbdb3832b7baf7ffc48ee19
humanhash: virginia-hot-whiskey-romeo
File name:Receipt for shipment - Company Official-20200831_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:566'272 bytes
First seen:2020-08-31 09:19:44 UTC
Last seen:2020-08-31 10:09:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:aG7vG5DHOxvsMdHILU//kwhM0z67ATZ0Kb9JaJl5:1+9H9M5hsmYAjpIJ
Threatray 9'389 similar samples on MalwareBazaar
TLSH D8C412C1B7755F62E6B997F655329C4003BA7C2E2491EB0E2CE6B4CE11F9F011A82E17
Reporter abuse_ch
Tags:AgentTesla exe Hostwinds


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hwsrv-770236.hostwindsdns.com
Sending IP: 192.119.107.106
From: Courier Manager<info@woonbanini.com>
Subject: Important Delivery receipt for victim-email
Attachment: Receipt for shipment - Company copy.img (contains "Receipt for shipment - Company Official-20200831_pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53342/
Detection(s):
SecuriteInfo.com.Generic.mg.1331ca8cfbbdb383.962.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455107
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
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)
Tries to harvest and steal browser information (history, 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: 279927 Sample: Receipt for shipment - Comp... Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 29 Antivirus / Scanner detection for submitted sample 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AgentTesla 2->33 35 4 other signatures 2->35 6 mxoffic.exe 2 2->6         started        9 Receipt for shipment - Company Official-20200831_pdf.exe 1 4 2->9         started        12 mxoffic.exe 2 2->12         started        process3 file4 37 Antivirus detection for dropped file 6->37 39 Multi AV Scanner detection for dropped file 6->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->41 43 2 other signatures 6->43 14 mxoffic.exe 2 6->14         started        25 C:\Users\user\AppData\Roaming\mxoffic.exe, PE32 9->25 dropped 27 C:\Users\user\...\mxoffic.exe:Zone.Identifier, ASCII 9->27 dropped 17 Receipt for shipment - Company Official-20200831_pdf.exe 2 9->17         started        19 Receipt for shipment - Company Official-20200831_pdf.exe 9->19         started        21 Receipt for shipment - Company Official-20200831_pdf.exe 9->21         started        23 mxoffic.exe 2 12->23         started        signatures5 process6 signatures7 45 Tries to steal Mail credentials (via file access) 23->45 47 Tries to harvest and steal browser information (history, passwords, etc) 23->47 49 Installs a global keyboard hook 23->49
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dab8c3350d525d66785c80647dd39cac8fc981c7a18c66b8bea5526926c6aad6/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:42:47 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3k4mgninkjowm6c4qbsh3u44vsh4taohugggnof6uvjgsjwgvlla._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a348251ca8856d6984701e79b0946e27410542a8d6769bc0d902239ff41efc9f
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bcfe28b074cc1d9b0fb7896ee3eb4d28c240bee33cb76578f0f9f1ef90ab92e6
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f8166c3c857a7a3ba99515cf6ae242a78050fba7608e24a88e2559e0063a187a
AgentTesla
+ 9'379 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200831-nyrnx2axe6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dab8c3350d525d66785c80647dd39cac8fc981c7a18c66b8bea5526926c6aad6

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

img 2616604f408cc4d870f48fe9ad41b67c69aa29578ae1e9e659f8954270c3d1c1

AgentTesla

Executable exe dab8c3350d525d66785c80647dd39cac8fc981c7a18c66b8bea5526926c6aad6

(this sample)

  
Dropped by
MD5 c256b254f38e20c7aa4b5fced9c9f0b4
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2616604f408cc4d870f48fe9ad41b67c69aa29578ae1e9e659f8954270c3d1c1
Cape
Cape
https://www.capesandbox.com/analysis/53342/

Comments