MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99e3fe0d987e5351288ec41b56373bcf5a7094ea41af08b998e801a6ec1ed092. 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: 99e3fe0d987e5351288ec41b56373bcf5a7094ea41af08b998e801a6ec1ed092
SHA3-384 hash: 56351b152917e74655e4ff28c7ce80d7a9bbcb426d81eb0654847161b7a9cead74dd931d2f6040eef17a7400d2cdfdbb
SHA1 hash: ef86e0aa69c55a055759f47876bd47d482859db8
MD5 hash: 479eda9d82c678855cb563b9d2555091
humanhash: july-vermont-asparagus-island
File name:479eda9d82c678855cb563b9d2555091.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:405'504 bytes
First seen:2020-06-01 07:12:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:fhK/znbUZdWm4xFkJJlgb6SlgNi/fh5Ie2k4Y6d6p8Vq5bNZmTb/COfC0tteWIUF:fhWbUfh4xFimUsmJ48VSbMb/CP0tAK
Threatray 11'318 similar samples on MalwareBazaar
TLSH 8484121426D8421FE5A828BE653450C82BF1DC6B56D3EBE8CE6630F55BAB3C487057E3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
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 02:28:44 UTC
AV detection:
21 of 31 (67.74%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=thr74dmypzjvckeoyqnvmnz3z5nhbfhkigxqromy5aa2n3a62cja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0f3fe234c700b316a460c05098c843efbb0965b672d0e7a6f58028669c37ccb9
AgentTesla
2285234b78d91bd5f60fbecab75f7793e727eb5643ffbe28e9177968c55de364
AgentTesla
271d081750e61123ceda8a898533f5b636254030a65f14a71ecae2b8ea649443
AgentTesla
288d2f4462975637ce85e019bc7c5e92bbdc07f9043bc3472c258669dd533aa4
AgentTesla
2a2e6cf4d454f2326eef8c18977f4e92c9b3c416dcd91af6023d7f77756c10ac
AgentTesla
2f4964e14972eafa98f1fc8ad81f8dc2eeb45a00ef420cf59db34faba1592ac4
AgentTesla
63b4e4beaf7cb64789e465392b51d438b73184676d7ab496112a53e8651d41e8
AgentTesla
9841eb92f550105bc744c34152086e2c6624e08b2a99c24c9084bdc7add30508
AgentTesla
9fb5e1d1b16b1a20d4994176d4579a90dd2e0a87b0bb6cac123e9894278f61ee
AgentTesla
a3f8c63b9925504706f889dc1bc944a5485144007b80b042cf53accda4f650c1
AgentTesla
+ 11'308 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-66m8xhtjwx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
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 99e3fe0d987e5351288ec41b56373bcf5a7094ea41af08b998e801a6ec1ed092

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments