MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5dd54174543f8e681162c6c8462209da761db5e2ccb38cb8408ef0232956b3ce. 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: 5dd54174543f8e681162c6c8462209da761db5e2ccb38cb8408ef0232956b3ce
SHA3-384 hash: 3a0356b35f52e1fb05620923093eaf7833815df834c883ff3c697b899e8fde6615058f4ac0b7b07128eff53288c042ed
SHA1 hash: a37244d84543c86bcb3289faa7dc7cb483234ebb
MD5 hash: 5870805e00cfa4b2765e67bddcb2063f
humanhash: december-skylark-lemon-carbon
File name:0307462.xls .exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:888'320 bytes
First seen:2020-08-13 10:42:46 UTC
Last seen:2020-08-13 12:24:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:d0J6OcpFof6TRS8T7oxgeGZoLZ1CXbwMswQlI+hVT69n3:d0cuCTBT7oxgeGZoLKbwMstT4
Threatray 10'619 similar samples on MalwareBazaar
TLSH 521519BD794A9501C0BD2871CC959AD52B3DA746BA02C71EF9CA137CBE9335B33060DA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.internetstoritve.com
Sending IP: 212.44.104.12
From: Janet Quacy <sales@mexin-sa.com>
Subject: RE: Invoice For Shipment / Departure Date 19-08-2020
Attachment: invoice no. Q1-4001028L.IMG (contains "0307462.xls .exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45095/
Detection(s):
SecuriteInfo.com.FileRepMalware.475.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Running batch commands
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/425873
Signature
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265517 Sample: .exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 68 32 Yara detected AgentTesla 2->32 34 Tries to detect virtualization through RDTSC time measurements 2->34 7        .exe 9 2->7         started        10 pcalua.exe 1 1 2->10         started        process3 file4 24 C:\Users\user\AppData\Local\smgjy.exe, PE32 7->24 dropped 26 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->26 dropped 28 C:\Users\user\...\smgjy.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\AppData\Local\Temp\...\l.dll, PE32 7->30 dropped 12 smgjy.exe 3 7->12         started        15 cmd.exe 1 7->15         started        process5 signatures6 38 Writes to foreign memory regions 12->38 40 Allocates memory in foreign processes 12->40 42 Tries to detect virtualization through RDTSC time measurements 12->42 44 Injects a PE file into a foreign processes 12->44 17 InstallUtil.exe 2 12->17         started        19 reg.exe 1 1 15->19         started        22 conhost.exe 15->22         started        process7 signatures8 36 Creates an autostart registry key pointing to binary in C:\Windows 19->36
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5dd54174543f8e681162c6c8462209da761db5e2ccb38cb8408ef0232956b3ce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 10:31:56 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lxkuc5cuh6hgqelcy3eemiqj3j3b3npczszyzocar3ycgkkwwpha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'609 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200813-2zmdvqffke/
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/5dd54174543f8e681162c6c8462209da761db5e2ccb38cb8408ef0232956b3ce

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 cdab140a76047e6516ab0212cd1045d31288bcea712a245e38e392ddaa18b08d

AgentTesla

Executable exe 5dd54174543f8e681162c6c8462209da761db5e2ccb38cb8408ef0232956b3ce

(this sample)

  
Dropped by
MD5 d066b82bbbaa3771f1dccb74b25834b4
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45095/
  
Dropped by
SHA256 cdab140a76047e6516ab0212cd1045d31288bcea712a245e38e392ddaa18b08d

Comments