MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c3d7e5ee1bbc1c9287795b32125883a0cd235ddce5ede3a5362056bcc586963. 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: 4c3d7e5ee1bbc1c9287795b32125883a0cd235ddce5ede3a5362056bcc586963
SHA3-384 hash: 61a39b77e15f8b655a7544abc18f545840a9b590a698f332e25a7a4bc35c685bf586991c6dd8ad9a2919d98be43cdc3e
SHA1 hash: 6c70944d4df9c7e40f150013d3aa726b2d8d4637
MD5 hash: 8c0040da9da19ebd93ba50e378a90ab9
humanhash: alaska-south-fanta-september
File name:gunzipped
Download: download sample
Signature AgentTesla
Create hunting rule
File size:432'128 bytes
First seen:2020-05-19 14:28:01 UTC
Last seen:2020-05-19 15:42:02 UTC
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:G2+9a5e8Hs46KWlo9VINiQrRVsHsee9dqgrKVzjpNdtbarUqIWMpYH13Fg/LLb6k:/LJ9VciqUjwqYe7QeWg/ramrJsvZ0
Threatray 10'752 similar samples on MalwareBazaar
TLSH CB94025123EC2BB6D53EABF8323010199BFBB46EA116E74C5DC2B0E71567B0059A0E77
Reporter abuse_ch
Tags:AgentTesla


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: lif.lifecare.com.my
Sending IP: 198.20.247.243
From: Sales & Marketing Department <asialiftsale@nichiyuph.com>
Subject: REQUEST UPDATED BUSINESS PERMIT
Attachment: REQUEST UPDATED BUSINESS DETAILS_pdf.gz (contains "gunzipped")

AgentTesla SMTP exfil server:
smtp.anding-tw.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.49052.19548.13701.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-19 15:25:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 31 (64.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jq6x4xxbxpa4skdxswzscjmihigneno5zzpn4ostmicwxtcynfrq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'742 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-yl7fs2kfn2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
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
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

gz 044e33038e6d5093a1ee9711fbb5f29010c4c4ef807517a7e137353f5a5c7817

AgentTesla

Executable exe 4c3d7e5ee1bbc1c9287795b32125883a0cd235ddce5ede3a5362056bcc586963

(this sample)

  
Dropped by
MD5 283cc34afa0a3d63cfdca96196635c89
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 044e33038e6d5093a1ee9711fbb5f29010c4c4ef807517a7e137353f5a5c7817

Comments