MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efef41d82a94f29ec3eab607eaef42b4d192cddb0863cbcaaea186d5ecbadf01. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efef41d82a94f29ec3eab607eaef42b4d192cddb0863cbcaaea186d5ecbadf01
SHA3-384 hash: 4922a829528bb1858d3d6f1255de95c7114c0df23b0832f710f89a4ca0c2eaed4d0dd259f9fea9977f7687263c4f26c0
SHA1 hash: 63ce822e0acc8cfa7ddc94e96104eef2f660b025
MD5 hash: 38943e8391d6281809e80130af963f10
humanhash: football-johnny-enemy-steak
File name:Contract Agreement.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:415'232 bytes
First seen:2020-07-06 08:23:04 UTC
Last seen:2020-07-06 09:06:37 UTC
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:jpNgFZ3R1ulXr0mNvB7XlxLImiCPc8aOmbP/f:VX4SZ7QmzbCbP
Threatray 10'584 similar samples on MalwareBazaar
TLSH 7794CE0076A75358F3D843B7021AE063777927EA5E19E30CB9B861DF292E7471E21E93
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx.tkb.pl
Sending IP: 89.161.65.153
From: chaitanya <kchaitanya@alphamed.co.in>
Reply-To: jam.marky@yandex.com
Subject: Contract Agreement
Attachment: Contract Agreement.zip (contains "Contract Agreement.exe")

AgentTesla FTP exfil server:
ftp.ciftci.com.tr:21

Intelligence

File Origin
# of uploads :
2
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/21366/
Detection(s):
SecuriteInfo.com.Generic.mg.38943e8391d62818.24529.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efef41d82a94f29ec3eab607eaef42b4d192cddb0863cbcaaea186d5ecbadf01/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-06 08:25:04 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=57xudwbkstzj5q7kwyd6v32cwtizfto3bbr4xsvougdnl3f234aq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0137e0e90dcb38e88138add7478e567f93fef19512df0f1e166940696b790b7c
AgentTesla
452b5a21851b285b6bdff3d7a76425d5b6e904caccba7a30aafeca1c6a074308
AgentTesla
9c5d88a1518cd310e763757d9acd267ed5741d6c79036e1053381729a0d700ca
AgentTesla
a60e5af6f1b4b877f5097c6d75b2b7d368c9651ffbd518861c30cc6ea961c3f8
AgentTesla
ada94346c3ea30c0fce4f35e075d45ca022923d8afc8c93c4895b5b05591a857
AgentTesla
aee6577ef4a0d538fecd2596cedc2cdcd8eed86e9267c1bb40b0a17fbb5e51a3
AgentTesla
b069fefb0a7ec5da3848f424fa73282b4eba86101c22bcfa3f4a865057ba3d1d
AgentTesla
b55e856692daa6a9b51b3e8e5ca4ef2d78721fabd66d99b181509736a36d0c72
AgentTesla
b9cd83c667b694ec10f884183b138beeb0f986a7d3c50af463535852f2fa0663
AgentTesla
fc040f79a1bc262a30ddedb9c184174b6c809282e60d04ee1ac829104967c205
AgentTesla
+ 10'574 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200706-g4ev6w64c2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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

zip 92a0f43be04ce3f5656a84cdaa5b792fe477ad87eac4cd10a542cfb61222069a

AgentTesla

Executable exe efef41d82a94f29ec3eab607eaef42b4d192cddb0863cbcaaea186d5ecbadf01

(this sample)

  
Dropped by
MD5 3378c8976304ca5fc3ad4641da0533b0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 92a0f43be04ce3f5656a84cdaa5b792fe477ad87eac4cd10a542cfb61222069a
Cape
Cape
https://www.capesandbox.com/analysis/21366/

Comments