MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9caf8ad45b0899bf225ca383b93a18cafa6d7c666b9aab9eaa88ce0075daa63e. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9caf8ad45b0899bf225ca383b93a18cafa6d7c666b9aab9eaa88ce0075daa63e
SHA3-384 hash: 4be31a8b7ba780de8d8c8aef405770ec85c208a1bafc69a0da4948285a48d1227945a08cf619ad5e03d52c1665be2419
SHA1 hash: 910ed52a6324f8ad7e3c0617e05c1760df4eb789
MD5 hash: 955e8f37de466568f56b53d22d3420d9
humanhash: blue-avocado-floor-tennessee
File name:955e8f37de466568f56b53d22d3420d9.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:637'952 bytes
First seen:2020-06-01 08:01:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:51TRurAiBVJIBRc2KNfFKvNYgA38B0f26mH2TDgfsqFSfeqQ:5lRurAiBVqBaiBRWgH2TeSmqQ
Threatray 11'277 similar samples on MalwareBazaar
TLSH D5D4D0C9337CD33EFEBC4835F4D3A0826656AD16996DC19439F6B10E8DE22654A0BB70
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-01 07:05:00 UTC
AV detection:
20 of 31 (64.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tsxyvvc3bcm36is4uob3soqyzl5g27dgnonkxhvkrdhaa5o2uy7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0889ef2c911176a675f2223f16ffa240d096583baca907efa7c0da5ea31a8608
AgentTesla
22525129004fbb8dbbc180fd0898cc33801cc75a9d6fc1072020ae12b4c2de88
AgentTesla
2f6a6d53e0ea3b6314279e5990a77c0acd90791f677086bf0a1b40fa48917222
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400ad786bf1e76812b70a3ab4ba345668fe07c176743f412f6ff5372238c2320
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9841eb92f550105bc744c34152086e2c6624e08b2a99c24c9084bdc7add30508
AgentTesla
a325f636f8f04610f7abed81f75739bba89f86d802415efd6725e127619cbf02
AgentTesla
c0b283bef04917f527c9d2ccc9f4f9c20a9a91651adb2d2ee250901d66ff53f0
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cdf7d9b74f5f5314bb7cb771a139b12ca61bc304e1afd3f2bbaeae1d844107ea
AgentTesla
ee02d4480e7e74c5015af1c4617271afb1ea208b0992050726ae3bf44e268cec
AgentTesla
f0006754d451556014c91039915ea9505f348f80538e536d30b75c5ef252d73d
AgentTesla
+ 11'267 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-t2wd689qtj/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
rezer0
AgentTesla
CoreEntity .NET Packer
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: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

Executable exe 9caf8ad45b0899bf225ca383b93a18cafa6d7c666b9aab9eaa88ce0075daa63e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments