MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d4c92d2fdb0a899b45e02fd3da3de93cffbb33c9f6b828e512346eee2fe8e01. 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: 5d4c92d2fdb0a899b45e02fd3da3de93cffbb33c9f6b828e512346eee2fe8e01
SHA3-384 hash: 1d02180aa1d6aebd26d30642a866453b797f778d6dfe2f671b26a8af5365095d78920583a1eb0ab4071c857a6c3a2ad4
SHA1 hash: 19044bbba3b819750fc25e2473b6994fa9fc6052
MD5 hash: 5d5172429d51c5d80c33a397930f03a1
humanhash: crazy-single-fifteen-floor
File name:PO#254148.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:414'720 bytes
First seen:2020-08-05 14:17:14 UTC
Last seen:2020-08-07 11:54:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:PJB251hELwIJ2pLZoJQzf3h6hFvwYiCWGk1JaOIojFo5kq6mBCcWY:rk/ie1z0hwPxv/IQFcf
Threatray 10'727 similar samples on MalwareBazaar
TLSH 4494E00C36A4955DF2BE4E3F4C700583CE22F81FCA26D64B65721279407E6ADBDA4FA1
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
15
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39699/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.2240.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Moving of the original file
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/411409
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 258030 Sample: PO#254148.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 Yara detected AgentTesla 2->35 37 6 other signatures 2->37 7 PO#254148.exe 5 2->7         started        process3 file4 19 C:\Users\user\AppData\...\BrLQCVHCHm.exe, PE32 7->19 dropped 21 C:\Users\...\BrLQCVHCHm.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp3360.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\PO#254148.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 45 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->45 11 PO#254148.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 mail.maarijaea.com 212.76.85.27, 49738, 587 SAHARANET-ASSaharaNetMainNOCASSA Saudi Arabia 11->27 29 192.168.2.1 unknown unknown 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Moves itself to temp directory 11->49 51 Tries to steal Mail credentials (via file access) 11->51 53 2 other signatures 11->53 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5d4c92d2fdb0a899b45e02fd3da3de93cffbb33c9f6b828e512346eee2fe8e01/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 14:19:05 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lvgjfux5wcujtnc6al6t3i66sph7xmz4t5vyfdsrendo5yx6ryaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0352d55cf10867420b433bcd9adfdb0e39afe2484db5c57946bb86297a39ecbd
AgentTesla
251c55b7c7c02eec9a87eca94bb01f653317ef5d8278aeb2b511194d7057a675
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2f94a22459281f588230523a1ec32e45ef392d1e202a3e70f0606f66a44ea982
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332287b244dfebbabac15b5b4dd3fc3bb6f488d3460c2de5259254136040d0e4
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55e93e43efaeb600deafd813f7eef356e836904b0d83e545dc47b3ed0078316b
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7b668bf6740289b2750a497800467fcf725fb111071e3ea4e74153e5159a3aef
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924a88861bc8088ea5d9bd39765638b6376bcbe32930413ebb0dfb688554e0de
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b7f19729b194bac7f587a7cc19778e925a218fec8106b23466367b2847b99ea2
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d16be9bd809afa992d073da2f25af20fc450b33d9e645de51ea086b5c8f07978
AgentTesla
ddd4cacc7365872cd4b9d06f4a2de4f131191dae071ed5430ed0399014f1aac2
AgentTesla
+ 10'717 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200805-yqxtg6xp1a/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5d4c92d2fdb0a899b45e02fd3da3de93cffbb33c9f6b828e512346eee2fe8e01

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

7z d791a416221933c1245af851b9d721693307168e09982771607edd3c71d0e46d

AgentTesla

Executable exe 5d4c92d2fdb0a899b45e02fd3da3de93cffbb33c9f6b828e512346eee2fe8e01

(this sample)

  
Dropped by
MD5 76e3ed9c790961132286b520593d69bc
  
Dropped by
SHA256 d791a416221933c1245af851b9d721693307168e09982771607edd3c71d0e46d
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39699/

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