MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71fd91125c6e138188f4f03e12569bce2994002b07d413d57229893e0a1cb39c. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71fd91125c6e138188f4f03e12569bce2994002b07d413d57229893e0a1cb39c
SHA3-384 hash: 1c59a45b0130140d6c745fd6eac0587472d1b3ebec279e10e8011b805c3308512d93e9dc4da470ab29a81aa61dfc2af1
SHA1 hash: 6b90b97daad055506d9fa70e93f33271c78e028a
MD5 hash: 4e1892ddf9a733ed068855c75ad5e1a3
humanhash: pip-oklahoma-march-stream
File name:New quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:676'864 bytes
First seen:2020-10-17 06:59:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:/R9ZH4BWDCOu43wXQguH+Pg/5US7ynmKTjezWFWo7SQoE5:XZH4BWWOHqgxUSmnzTjq2SQoE
Threatray 3 similar samples on MalwareBazaar
TLSH 6CE47C3932B40F02E5BF6BF8956C16016BB974961526F32DADC020FA1DBE7548B4B70B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: dfkingltd.com
Sending IP: 103.125.191.69
From: MIRJANA ERVIN <arcelormittal@dfkingltd.com>
Subject: RE:New quotation
Attachment: New quotation.zip (contains "New quotation.exe")

AgentTesla SMTP exfil server:
mail.hybridgroupco.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/72476/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.42621.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/494323
Signature
.NET source code contains very large array initializations
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71fd91125c6e138188f4f03e12569bce2994002b07d413d57229893e0a1cb39c/
Threat name:
ByteCode-MSIL.Trojan.Perseus
Create hunting rule
Status:
Malicious
First seen:
2020-10-17 05:52:42 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oh6zces4nyjydchu6a7bevu3zyuziabla7kbhvlsfget4cq4wooa._file
Verdict:
unknown
Similar samples:
18fd02253bd3e3458ae988dc884567ac238606beeb1095c9c849ee58becc48f7
AgentTesla
7890e1c690c7e7511f550915ed85e9f7b93bcf6733aeea6b6c636bb89676f3db
AgentTesla
b49f4c0a41fe65d3e81919eae65adb01d493e08331e0e3652b30655d55170d52
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/201017-xt18qf8jba/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/8f882d7f-72f4-4c6f-86e3-ea33b43b9a2d/
SH256 hash:
e278e44869b4560ae8cab37e0d71ef79ede0f73a5b4176ce04db3c2818cec336
MD5 hash:
057c210911045f8f4a62ff3cacc31829
SHA1 hash:
8f779ff6231c764901c16e688bc44aba69acb5f5
Link:
https://www.unpac.me/results/8f882d7f-72f4-4c6f-86e3-ea33b43b9a2d/
SH256 hash:
9352d93292fa4a30df06edbcf57ec284ef573ab3118172239fb8344034d7c13c
MD5 hash:
e052b413da4fe8285ae2374e6c996dcd
SHA1 hash:
a25dc57751f7173f7b6a8cde0db78ac4131f3f18
Link:
https://www.unpac.me/results/8f882d7f-72f4-4c6f-86e3-ea33b43b9a2d/
SH256 hash:
71fd91125c6e138188f4f03e12569bce2994002b07d413d57229893e0a1cb39c
MD5 hash:
4e1892ddf9a733ed068855c75ad5e1a3
SHA1 hash:
6b90b97daad055506d9fa70e93f33271c78e028a
Link:
https://www.unpac.me/results/8f882d7f-72f4-4c6f-86e3-ea33b43b9a2d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/71fd91125c6e138188f4f03e12569bce2994002b07d413d57229893e0a1cb39c

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip e7de9dc4c69703992f09c76dcec14caa34a842388797b8609ae84eac34088348

AgentTesla

Executable exe 71fd91125c6e138188f4f03e12569bce2994002b07d413d57229893e0a1cb39c

(this sample)

  
Dropped by
MD5 d5bda0ab517eb8738bf59974295a27ca
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e7de9dc4c69703992f09c76dcec14caa34a842388797b8609ae84eac34088348
Cape
Cape
https://www.capesandbox.com/analysis/72476/

Comments