MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1adb1e77313a4404c1133c255cece52584f329eeb223d6567beb97d9754125ce. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1adb1e77313a4404c1133c255cece52584f329eeb223d6567beb97d9754125ce
SHA3-384 hash: 705168ff686dcf8a80fbbbeee2b6354036b81ef193e51f1bbb3d26065dfea507cf9da4cbfa1249d031f2951bb81ccc01
SHA1 hash: d2cfe2987e579f6df3df70a704af63c727691c4e
MD5 hash: 11c9bd39cd6d4ef66018de760b7b507f
humanhash: twenty-robin-october-alabama
File name:MEDIFORM SA COMPANY PROFILE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:591'360 bytes
First seen:2020-08-13 11:13:41 UTC
Last seen:2020-08-13 12:24:54 UTC
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:sVP+kEm+Nz3jzg5We5Rw0upGJtKrjlfCRu2U4aW3:AP+kEnQ5+0ukJwrjlaI2U4a
Threatray 10'442 similar samples on MalwareBazaar
TLSH 08C4DF2A22F4DA09C07BF3BD91684156F3F36C4A1095D30A6ED918C90D61BD28667EFF
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hshgroups.co
Sending IP: 104.168.166.26
From: Mediform S.A<mediform.s.a@hotmail.com>
Subject: Re:Fw: Request For New Inquiry RFQ
Attachment: MEDIFORM SA COMPANY PROFILE.rar (contains "MEDIFORM SA COMPANY PROFILE.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45117/
Detection(s):
SecuriteInfo.com.Generic.mg.11c9bd39cd6d4ef6.1503.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/425973
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Moves itself to temp directory
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: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265604 Sample: MEDIFORM SA COMPANY PROFILE.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 Yara detected AgentTesla 2->74 76 6 other signatures 2->76 7 MEDIFORM SA COMPANY PROFILE.exe 7 2->7         started        11 ElPvJVq.exe 2->11         started        13 ElPvJVq.exe 5 2->13         started        process3 file4 44 C:\Users\user\AppData\Local\...\tmp3C23.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\Roaming\fjRRYX.exe, PE32 7->46 dropped 78 Injects a PE file into a foreign processes 7->78 15 MEDIFORM SA COMPANY PROFILE.exe 2 7 7->15         started        20 schtasks.exe 1 7->20         started        22 ElPvJVq.exe 11->22         started        24 schtasks.exe 11->24         started        26 ElPvJVq.exe 11->26         started        28 ElPvJVq.exe 11->28         started        80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->82 30 schtasks.exe 1 13->30         started        32 ElPvJVq.exe 4 13->32         started        signatures5 process6 dnsIp7 48 smtp.yandex.ru 77.88.21.158, 49748, 49749, 587 YANDEXRU Russian Federation 15->48 50 192.168.2.1 unknown unknown 15->50 52 smtp.yandex.com 15->52 40 C:\Users\user\AppData\Roaming\...lPvJVq.exe, PE32 15->40 dropped 42 C:\Users\user\...lPvJVq.exe:Zone.Identifier, ASCII 15->42 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->56 58 Moves itself to temp directory 15->58 60 Tries to steal Mail credentials (via file access) 15->60 62 Installs a global keyboard hook 15->62 34 conhost.exe 20->34         started        54 smtp.yandex.com 22->54 64 Tries to harvest and steal ftp login credentials 22->64 66 Tries to harvest and steal browser information (history, passwords, etc) 22->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->68 36 conhost.exe 24->36         started        38 conhost.exe 30->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1adb1e77313a4404c1133c255cece52584f329eeb223d6567beb97d9754125ce/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 11:15:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlnr45zrhjcajqithqsvz3hfewcpgkpowir5mvt35ol5s5kbexha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'432 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200813-6bcpm2xy8s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1adb1e77313a4404c1133c255cece52584f329eeb223d6567beb97d9754125ce

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

rar 9d1f3215522d0b8aca1a5e14f236edc5d984b09f189da5d40ae2de9f1e83c9e1

AgentTesla

Executable exe 1adb1e77313a4404c1133c255cece52584f329eeb223d6567beb97d9754125ce

(this sample)

  
Dropped by
MD5 29fe0eada960857e627a088f882389ac
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45117/
  
Dropped by
SHA256 9d1f3215522d0b8aca1a5e14f236edc5d984b09f189da5d40ae2de9f1e83c9e1

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