MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f9ce3d45471beb2915bef5313cc463a859f86e218609951dc0a5af57406350b. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 3f9ce3d45471beb2915bef5313cc463a859f86e218609951dc0a5af57406350b
SHA3-384 hash: 5274388da4dce94ec99d67d642d54623505fd975f5c1f4387fb394313b7fac2886634983249cbafa2aea4c638e965d77
SHA1 hash: c95dd105676600e04d5a8ea938bb4c3d2b754302
MD5 hash: 8ccaab257d3bbbe691638f01d58a8e1d
humanhash: rugby-stream-solar-double
File name:8ccaab257d3bbbe691638f01d58a8e1d.exe
Download: download sample
Signature AgentTesla
File size:782'848 bytes
First seen:2021-03-24 07:34:59 UTC
Last seen:2021-03-24 13:49:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:ljFhYG2TbPCxfwTZymX9MUC9I5wO8iUapnV7JKTugeZo0hoiE5wCIfHJL6X9s9US:l5hYG2fvdy8eRI5vUaNsOZo0z8w5GsqS
Threatray 4'822 similar samples on MalwareBazaar
TLSH C1F402043555BE8FC23B8E7654522C948BB0673B831BF3835DC329FE599EB998A11393
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence


File Origin
# of uploads :
3
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO0260420213.doc
Verdict:
Malicious activity
Analysis date:
2021-03-24 06:51:45 UTC
Tags:
exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Verdict:
MALICIOUS
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 374811 Sample: BLQz6cnB1J.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for dropped file 2->29 31 Sigma detected: Scheduled temp file as task from temp location 2->31 33 7 other signatures 2->33 7 BLQz6cnB1J.exe 6 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\oueyKF.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp6541.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\BLQz6cnB1J.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 Injects a PE file into a foreign processes 7->41 11 BLQz6cnB1J.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 mail.privateemail.com 198.54.122.60, 49735, 587 NAMECHEAP-NETUS United States 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-24 06:30:11 UTC
AV detection:
23 of 48 (47.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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:
77955819a0401d14239da0fc34ba011254b488a2830b2c3862c0ec3b3a0356fb
MD5 hash:
5f1fccec9802a4202f304b80e876226d
SHA1 hash:
439322829e9ff7dc174cc6609f5d343b8fe851c5
SH256 hash:
ec766689c4c506d97c7b6c862496345116f9dff1d559e3409b0c6f7e7b4cdb5a
MD5 hash:
85cccd27f59bf2ef4a00e2726d913678
SHA1 hash:
068af69d1a864692214173b5197a383a79d47948
SH256 hash:
b07d5bd9cbff775b25da777948365a98ba79c6f2eec53a4f2c6b0eeead3f2659
MD5 hash:
dc6d2f36f04ef6e13c56159d21310358
SHA1 hash:
024e5f7d5fdd56572478d221739c72b4d21674d0
SH256 hash:
3f9ce3d45471beb2915bef5313cc463a859f86e218609951dc0a5af57406350b
MD5 hash:
8ccaab257d3bbbe691638f01d58a8e1d
SHA1 hash:
c95dd105676600e04d5a8ea938bb4c3d2b754302
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
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 3f9ce3d45471beb2915bef5313cc463a859f86e218609951dc0a5af57406350b

(this sample)

  
Delivery method
Distributed via web download

Comments