MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a8ffb097e2d4a4788ed1455d23a73e91a8a7b1ae4b9b1152e63fc1f7730ed89. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: 9a8ffb097e2d4a4788ed1455d23a73e91a8a7b1ae4b9b1152e63fc1f7730ed89
SHA3-384 hash: a405384c3f20b08363f3589045c9a679babc09e04b55c4f1797835a29f094642dfde2c9cfe5f3217a74f2e52d5ab5d4a
SHA1 hash: 77e5ac9bb4f0d95dc40dc2824c8f50f7ddf44ebc
MD5 hash: 3a3270aced9ac5f099542a5318d62e5f
humanhash: river-green-arizona-mississippi
File name:3a3270aced9ac5f099542a5318d62e5f.exe
Download: download sample
Signature AgentTesla
File size:958'976 bytes
First seen:2021-01-29 09:00:42 UTC
Last seen:2021-01-29 10:54:36 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 12288:u5N7X5Ba1uxaAHDgFWfoa1uj2V8TChONCq1S+cOOP68QVZS/VwbN4+vtE+LtZ/Nd:cN7X5BaYX1u66bNPoA6wqYTfV
Threatray 12 similar samples on MalwareBazaar
TLSH AF15CF313318AF5AF53F97F48164544087F6B82BD321DA8EBCE564EF6950F80D262A63
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence


File Origin
# of uploads :
2
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3a3270aced9ac5f099542a5318d62e5f.exe
Verdict:
Malicious activity
Analysis date:
2021-01-29 09:35:38 UTC
Tags:
n/a

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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 345945 Sample: 0Dl4LKbtuT.exe Startdate: 29/01/2021 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 10 other signatures 2->37 7 0Dl4LKbtuT.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\OZaawewgVnTHTz.exe, PE32 7->19 dropped 21 C:\...\OZaawewgVnTHTz.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp2BA4.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\0Dl4LKbtuT.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 11 0Dl4LKbtuT.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.godforeu.com 11->27 29 us2.smtp.mailhostbox.com 208.91.199.225, 49744, 49745, 587 PUBLIC-DOMAIN-REGISTRYUS United States 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
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-01-27 21:35:00 UTC
AV detection:
12 of 27 (44.44%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger ransomware 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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
0f8a0bce9576e25eff89328198b273ccff2c118aeae0abab808313aed8b92753
MD5 hash:
cb4d20115154062562ba341637b29e3d
SHA1 hash:
ca63c296160f349e4e5683ce47d580643ae31ad3
SH256 hash:
537e65dd9e76775e4d11fa6d497565fc07d6e361bfabae0a984df851f746c2da
MD5 hash:
87beb303f3697ea64636ffcc61dd9f6b
SHA1 hash:
5e4ff3b5bf843df69ef6442d3013ff516406cb1e
SH256 hash:
2f80406eb7d69032d0c81c21458a6821d604bffd52c0e2497cf49501cfe98060
MD5 hash:
a49c0687b3c1589318fc49538ff305fd
SHA1 hash:
170d4158323b479cb17e498cd269671321c1a3a6
SH256 hash:
9a8ffb097e2d4a4788ed1455d23a73e91a8a7b1ae4b9b1152e63fc1f7730ed89
MD5 hash:
3a3270aced9ac5f099542a5318d62e5f
SHA1 hash:
77e5ac9bb4f0d95dc40dc2824c8f50f7ddf44ebc
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: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 9a8ffb097e2d4a4788ed1455d23a73e91a8a7b1ae4b9b1152e63fc1f7730ed89

(this sample)

  
Delivery method
Distributed via web download

Comments