MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a81b0fa11e6bc26ac9811b8c3bb924d629c1395f8e6421e27acf9e76e71ef753. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a81b0fa11e6bc26ac9811b8c3bb924d629c1395f8e6421e27acf9e76e71ef753
SHA3-384 hash: 238d0459a3358e8205c54e05301f3836c3d2bd9cbab0f98c1172bdab1466b259be01de8b07639690a21cac7793340367
SHA1 hash: 12fd4de1cc82fb27a864c7aaa6fe73c1851a1926
MD5 hash: efdf01a595bbafea32253735e784b81b
humanhash: saturn-pip-oregon-ack
File name:jjjjj (1).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:991'744 bytes
First seen:2020-07-13 06:24:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dada6f26441f1a1d2f2cf25a83bd8107 (16 x AgentTesla, 6 x MassLogger, 3 x FormBook)
ssdeep 24576:aM092htZ8qtYs5T287WqASEaMMZLq3v4d7fO:aLrqtYRtaMM9qQE
Threatray 11'186 similar samples on MalwareBazaar
TLSH 7925AE26F2D18433C1722A3C8D5B9764AD26FE007E28AD476BF95C8C4F7968178352E7
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic304-25.consmr.mail.gq1.yahoo.com
Sending IP: 98.137.68.206
From: Larry Madsen <madsenl10@yahoo.com>
Subject: Fw: factory products 7132020
Attachment: factory products 7132020.zip (contains "jjjjj (1).exe")

AgentTesla SMTP exfil server:
smtp.bnb-spa.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/24978/
Detection(s):
SecuriteInfo.com.Adware.Generic4.BBFB.UNOFFICIAL
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a81b0fa11e6bc26ac9811b8c3bb924d629c1395f8e6421e27acf9e76e71ef753/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 06:26:08 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vanq7ii6npbgvsmbdogdxoje2yu4cok7rzscdyt2z6phnzy665jq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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AgentTesla
3c1435bed4783276e6cb146e1e99b752f59b93be1320547419f19a02603feaca
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59ae70d9d29e851c8564e7974ac853daa40d6ab9adb6fccf1b990042c8b2be03
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5db56a3d7ca2b8d529ee1accfd0c8f6f0fed81d17bbd2a2b13c8f364ab5ef5a6
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66f1141f641be090463b0f797b11f348ba8c34f1fdd2f48f91b76604d9a6c707
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83d8b3913153282a251fc2f7bf74f701e02969441341297823957e5d35a5c3b0
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8e7bbf8a58e3633c72514c11d5a4c161a6d2a2c9fe04111375ec4fa82580baef
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b728bdb1b447a5ddaee163be25143ee8c04de2a71505eb61ad5a4001a8198084
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c2131d5a839d002b20f39535bf1ec0245059d3c2c54645d72e94fb0f37ce5700
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f03f7b19fd5b10cadcce4dcdaf7bc0f3e623a2ba1d6677e767c5ee4e3a042a66
AgentTesla
+ 11'176 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200713-chrsm2d6qj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Drops startup file
UPX packed file
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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 3ee271cdeeb3a4ce323b20dee8cad3b4b0c8d9784eb0f825148f9341f1df694c

AgentTesla

Executable exe a81b0fa11e6bc26ac9811b8c3bb924d629c1395f8e6421e27acf9e76e71ef753

(this sample)

  
Dropped by
MD5 538bce94b74cb217d2fa37e55d20a6eb
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/24978/
  
Dropped by
SHA256 3ee271cdeeb3a4ce323b20dee8cad3b4b0c8d9784eb0f825148f9341f1df694c

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