MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb8dfda422d5a692649e55c9760a97cccaf6d0817fe5880378a234cece656f3a. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments

SHA256 hash: cb8dfda422d5a692649e55c9760a97cccaf6d0817fe5880378a234cece656f3a
SHA3-384 hash: 23d20a421df953083ce30f61db79b10fd6d89bc5b6845bf0746f97fc2f8529d4d9c8640fadb604c6e7729f76b02fa61f
SHA1 hash: 242629486a90a1b58e4f863df82dbe2ee715bd71
MD5 hash: b097653e2d4b2065f719c1467c781485
humanhash: tennis-failed-london-thirteen
File name:0THUNRq5k4hDfSp.exe
Download: download sample
Signature AgentTesla
File size:425'984 bytes
First seen:2021-10-04 13:07:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:9ESosh02LeJu5RNuedUQWTQp0TBXS0BTR6oqlD:9ESP6cfNEQcQpha92
Threatray 10'678 similar samples on MalwareBazaar
TLSH T16994F16D23B79344DD7887F53D20F69217B5A12A001DC23C6ED8E4EC3AA67B85AE0953
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
133
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0THUNRq5k4hDfSp.exe
Verdict:
Malicious activity
Analysis date:
2021-10-04 13:08:33 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Installs a global keyboard hook
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)
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 dnsIp2 2 Behavior Graph ID: 496669 Sample: 0THUNRq5k4hDfSp.exe Startdate: 04/10/2021 Architecture: WINDOWS Score: 100 26 medicare-equipment.com 2->26 28 mail.medicare-equipment.com 2->28 34 Found malware configuration 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 5 other signatures 2->40 8 0THUNRq5k4hDfSp.exe 7 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\...\WCixtFzuUtz.exe, PE32 8->20 dropped 22 C:\Users\user\AppData\Local\...\tmp7E78.tmp, XML 8->22 dropped 24 C:\Users\user\...\0THUNRq5k4hDfSp.exe.log, ASCII 8->24 dropped 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->44 46 Uses schtasks.exe or at.exe to add and modify task schedules 8->46 12 0THUNRq5k4hDfSp.exe 6 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 30 medicare-equipment.com 192.185.84.191, 49863, 49864, 587 UNIFIEDLAYER-AS-1US United States 12->30 32 mail.medicare-equipment.com 12->32 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->48 50 Tries to steal Mail credentials (via file access) 12->50 52 Tries to harvest and steal ftp login credentials 12->52 54 2 other signatures 12->54 18 conhost.exe 16->18         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-04 11:54:18 UTC
AV detection:
20 of 28 (71.43%)
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 SetWindowsHookEx
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 Payload
AgentTesla
Unpacked files
SH256 hash:
2412ecb1c2e1ba282bcc7a4d0efa9175cdaa265e2431b5661da9edde82825575
MD5 hash:
82b87ff4d8bd5e0b68f8ee8c87304acb
SHA1 hash:
ad69ce445388e7d96aad748a28f89b1f9385302f
SH256 hash:
e935f086ac3027985fa14e04fc72ac705dfcd1f612e08ba553121535c6a910e5
MD5 hash:
a3c1469437ff42cca7c186c4247175de
SHA1 hash:
44181207f4073ff9fdbef1eb9f2f7dbae1c6eff9
SH256 hash:
fe8637d821a39a8b74abce7e043007d38cb9c5cfcb7098af9846cfd98185ac03
MD5 hash:
c380b6831f456ac5cac08c78c0e4dada
SHA1 hash:
3e241a0b9d96c1dfbadd7ee1a8c5ee6d74eba11c
SH256 hash:
cb8dfda422d5a692649e55c9760a97cccaf6d0817fe5880378a234cece656f3a
MD5 hash:
b097653e2d4b2065f719c1467c781485
SHA1 hash:
242629486a90a1b58e4f863df82dbe2ee715bd71
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

  
Delivery method
Other

Comments