MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4513232b561d901a92dd3fd3f7d619779488e72a522850ae627e63340c0586d. 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: 3


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

SHA256 hash: b4513232b561d901a92dd3fd3f7d619779488e72a522850ae627e63340c0586d
SHA3-384 hash: 4cacf1f6e01e451a5d7a99064270ae6a1f43ca8de752fac19ec5f7acd49f6844a0cbfb2cc7683da027bbe7b643d5f1aa
SHA1 hash: ad635626dd0770a984278ad40ee4a2bb490862dd
MD5 hash: 42c03f4c01e6fd1715b46153ac714f85
humanhash: utah-california-sierra-october
File name:Assembly and signature.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:879'792 bytes
First seen:2020-05-28 07:41:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 24576:NGrpJUrML2AT33opd7ZmxtSP+sJ+O5FWPP:orp282CYD7Z3MT
Threatray 272 similar samples on MalwareBazaar
TLSH E715BEC27298C3A9ED4945315CE695B40630BEF2D976469B34E47B7F3CBB22121227CB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.advancedserversecurities.site
Sending IP: 142.11.215.29
From: Global Pillar Acc <GPA@accounts.com>
Reply-To: Global Pillar Acc <lineslink@yandex.com>
Subject: Remittance Confirmation
Attachment: Payment PDF.UUE (contains "Assembly and signature.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.GenKryptik.ELIC.27064.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Genkryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-28 07:53:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
21 of 48 (43.75%)
Threat level:
  2/5
Verdict:
suspicious
Similar samples:
01521db45cfc041eff0df5cc0062591eaa42a06c4cab32522baf7ff58fcdc8d5
AgentTesla
2ad145ebeae4ff20eeb893b16658fe43d7557f30c746edc355a5dceb393bf8bb
AgentTesla
35181f535df04c562e8df173ea4890a1f79cd12b3bfed2e0dfc448e1745ed8db
AgentTesla
5b52beb61f01acce45442d85adcc909eabc07d87fc006d35c9e37f5d8b69d2c2
AgentTesla
7a0d2b49993a9c21b7e13a1db5f4a52a8280d57b5c1352c93f829dbd673aab47
AgentTesla
9ef4db3fccbcfe3601f7ff80f7850a6533300f7e65a8d1edd7338052877254c4
AgentTesla
c02d2d15b608c9b665b08c136a3e0ac10ea0fd99bcf2b08e77be7e146505bd36
AgentTesla
d38ed4ee444763fd44080cdc8e4260b9b133d83a207d18ff120f4704adee9356
AgentTesla
f10109e2e93cc1b099adc1aee4e8306dc1e43baa4bfa7f2a7ff657611e12fb08
AgentTesla
f86c9804962e1889e0002741388ef1e4b7a140f12d634d4b2ebc0af9162bc097
AgentTesla
+ 262 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-vh5vs45gzn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Modifies service
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
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.

42262c26fcd9fcd4f9bd3abfe927e307

AgentTesla

Executable exe b4513232b561d901a92dd3fd3f7d619779488e72a522850ae627e63340c0586d

(this sample)

  
Dropped by
MD5 42262c26fcd9fcd4f9bd3abfe927e307
  
Delivery method
Distributed via e-mail attachment

Comments