MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcf25c53393531d6afc2680fcedbb77d4826e4d109fbb001d3aaaed01798b867. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcf25c53393531d6afc2680fcedbb77d4826e4d109fbb001d3aaaed01798b867
SHA3-384 hash: 894b381c086a6035a294c75480b37b2fc98ac2125b8eec73269e617732fcdb8c8152914564a35066842a53c9edf22582
SHA1 hash: 30899b5f2ae660185885527a4050fa976ea54abd
MD5 hash: 982964da6635c5f730d427fee80c3e5a
humanhash: skylark-stream-blue-grey
File name:982964da6635c5f730d427fee80c3e5a.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:3'944'448 bytes
First seen:2021-03-08 14:03:05 UTC
Last seen:2021-03-08 16:03:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 49152:LESuQjHmnfTdiTRe1edpS7c6A05oVzmqZzxVF:LESuQjSQ/SYe5okqz
TLSH EC06B59976A0B6DEC417CE728A682C64EB9064BB830BD207B05F11ACEF4D957CF154F2
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Reciept.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-08 08:53:32 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/55b5b216-190d-45a8-a52a-aa0654f5e433

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/122798/
Detection(s):
SecuriteInfo.com.Artemis982964DA6635.24869.1353.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/631263
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Detected unpacking (changes PE section rights)
Found malware configuration
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 364606 Sample: AywV1nIOaz.exe Startdate: 08/03/2021 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 7 other signatures 2->37 7 AywV1nIOaz.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\nHiBkeRpYL.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp20C2.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\AywV1nIOaz.exe.log, ASCII 7->23 dropped 39 Detected unpacking (changes PE section rights) 7->39 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 11 AywV1nIOaz.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 smtp.yandex.ru 77.88.21.158, 49749, 49751, 587 YANDEXRU Russian Federation 11->25 27 192.168.2.1 unknown unknown 11->27 29 smtp.yandex.com 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 17 conhost.exe 15->17         started        signatures8 process9
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-08 14:04:07 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3tzfyuzzguy5nl6cnah45w5xpvecnzgrbh53aaotvkxnaf4yxbtq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210308-s44jtngjdn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
Link:
https://www.unpac.me/results/68ad99bb-cc0d-4ef1-b8dd-6150cf63b6d6/
SH256 hash:
dcf25c53393531d6afc2680fcedbb77d4826e4d109fbb001d3aaaed01798b867
MD5 hash:
982964da6635c5f730d427fee80c3e5a
SHA1 hash:
30899b5f2ae660185885527a4050fa976ea54abd
Link:
https://www.unpac.me/results/68ad99bb-cc0d-4ef1-b8dd-6150cf63b6d6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/dcf25c53393531d6afc2680fcedbb77d4826e4d109fbb001d3aaaed01798b867

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe dcf25c53393531d6afc2680fcedbb77d4826e4d109fbb001d3aaaed01798b867

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1050068/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/122798/

Comments