MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9892834c6f030fd7a292b213a39270e2fc991b6c9287fff73b540dd2b36e290. 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: a9892834c6f030fd7a292b213a39270e2fc991b6c9287fff73b540dd2b36e290
SHA3-384 hash: 43fc03b276d092fa61c4f295ee3319524fa9ca48a633d0109a3492aaed66967ae637f8349a15ba9479b5332dbb808b81
SHA1 hash: e815d27cdf5fde77c3ac60388408bb27304dc75a
MD5 hash: 1d77691991b358cddb9e88b28380b124
humanhash: sink-kitten-nuts-don
File name:hesaphareketi000,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:961'066 bytes
First seen:2020-08-03 14:15:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98f67c550a7da65513e63ffd998f6b2e (21 x SnakeKeylogger, 13 x MassLogger, 11 x CryptOne)
ssdeep 12288:GENN+T5xYrllrU7QY6YHX8kTjiSeyO4kLXVOeBBeiH:K5xolYQY6YHLTmSeyO4qRBTH
Threatray 781 similar samples on MalwareBazaar
TLSH 1B155B2D7AC6A814D93E097144B565D5F332B9473B51CA0F36C61B8C2F2329B7BA620F
Reporter abuse_ch
Tags:AgentTesla exe geo TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: garantibbva.com.tr
Sending IP: 155.94.136.61
From: ekstre@garantibbva.com.tr
Subject: Hesap hareketleriniz
Attachment: hesaphareketi000,pdf.xz (contains "hesaphareketi000,pdf.exe")

AgentTesla SMTP exfil server:
mail.slbdc-lk.org:587

AgentTesla SMTP exfil email address:
finance@slbdc-lk.org

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
PUA.Win.Packer.ProtectSharewar-2
Create hunting rule

PUA.Win.Packer.ProtectSharewar-3
Create hunting rule

Win.Virus.Sality
Create hunting rule

Win.Trojan.VBGeneric-6735885-0
Create hunting rule

Win.Virus.Sality-6747602-0
Create hunting rule

Win.Malware.Swisyn-6803865-0
Create hunting rule

Win.Malware.Swisyn-7610491-0
Create hunting rule

Win.Malware.Swisyn-7610494-0
Create hunting rule

Win.Trojan.Kazy-304
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Setting a keyboard event handler
Setting a global event handler
Creating a file in the %AppData% directory
Sending a UDP request
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Setting a single autorun event
Launching the process to create tasks for the scheduler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun
Enabling a "Do not show hidden files" option
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408114
Signature
.NET source code contains very large array initializations
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
PE file has a writeable .text section
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256305 Sample: hesaphareketi000,pdf.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 89 Yara detected AgentTesla 2->89 91 .NET source code contains very large array initializations 2->91 93 Machine Learning detection for sample 2->93 95 5 other signatures 2->95 11 hesaphareketi000,pdf.exe 1 4 2->11         started        15 svchost.exe 1 2->15         started        process3 file4 71 C:\Users\user\...\hesaphareketi000,pdf.exe, PE32 11->71 dropped 73 C:\Users\user\AppData\Local\icsys.icn.exe, PE32 11->73 dropped 115 Installs a global keyboard hook 11->115 17 icsys.icn.exe 3 11->17         started        21 hesaphareketi000,pdf.exe 6 11->21         started        signatures5 process6 file7 59 C:\Windows\System\explorer.exe, PE32 17->59 dropped 97 Machine Learning detection for dropped file 17->97 99 Drops executables to the windows directory (C:\Windows) and starts them 17->99 101 Drops PE files with benign system names 17->101 103 Installs a global keyboard hook 17->103 23 explorer.exe 3 17 17->23         started        61 C:\Users\...\hesaphareketi000,pdf.exe .log, ASCII 21->61 dropped 63 C:\Users\user\AppData\Roaming\...\app.exe, PE32 21->63 dropped 65 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 21->65 dropped signatures8 process9 dnsIp10 77 vccmd03.googlecode.com 23->77 79 vccmd02.googlecode.com 23->79 81 5 other IPs or domains 23->81 67 C:\Windows\System\spoolsv.exe, PE32 23->67 dropped 69 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 23->69 dropped 107 System process connects to network (likely due to code injection or exploit) 23->107 109 Creates an undocumented autostart registry key 23->109 111 Machine Learning detection for dropped file 23->111 113 2 other signatures 23->113 28 spoolsv.exe 2 23->28         started        file11 signatures12 process13 file14 75 C:\Windows\System\svchost.exe, PE32 28->75 dropped 117 Machine Learning detection for dropped file 28->117 119 Drops executables to the windows directory (C:\Windows) and starts them 28->119 121 Drops PE files with benign system names 28->121 123 Installs a global keyboard hook 28->123 32 svchost.exe 3 3 28->32         started        signatures15 process16 file17 57 C:\Users\user\AppData\Local\stsys.exe, PE32 32->57 dropped 83 Machine Learning detection for dropped file 32->83 85 Drops executables to the windows directory (C:\Windows) and starts them 32->85 87 Installs a global keyboard hook 32->87 36 spoolsv.exe 32->36         started        39 at.exe 32->39         started        41 at.exe 32->41         started        43 14 other processes 32->43 signatures18 process19 signatures20 105 Installs a global keyboard hook 36->105 45 conhost.exe 39->45         started        47 conhost.exe 41->47         started        49 conhost.exe 43->49         started        51 conhost.exe 43->51         started        53 conhost.exe 43->53         started        55 10 other processes 43->55 process21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a9892834c6f030fd7a292b213a39270e2fc991b6c9287fff73b540dd2b36e290/
Threat name:
Win32.Trojan.Swisyn
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 14:17:06 UTC
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vgesqngg6ayp26rjfmqtuojhbyx4tenwzeuh773twvan2kzw4kia._file
Verdict:
malicious
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AgentTesla
+ 771 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200803-hjzd4vg5j6/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Swisyn
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a9892834c6f030fd7a292b213a39270e2fc991b6c9287fff73b540dd2b36e290

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

zip f1f18b0a7efd6702ce47f9bea620165785050d55074d6ae27e6a6ff4322f6ad3

AgentTesla

Executable exe a9892834c6f030fd7a292b213a39270e2fc991b6c9287fff73b540dd2b36e290

(this sample)

  
Dropped by
MD5 788dbf576e0a2674990aca2e9360b270
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/37954/
  
Dropped by
SHA256 f1f18b0a7efd6702ce47f9bea620165785050d55074d6ae27e6a6ff4322f6ad3

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