MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e497cfbd4e4df1948752cf38a3125c68ec2bbc77d769217029d0938df07029bf. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e497cfbd4e4df1948752cf38a3125c68ec2bbc77d769217029d0938df07029bf
SHA3-384 hash: 9939e119fef37d5bf5a0cb69bd02ba14dca3f3d797702706b66fb9e19e1c3a0f56c41cee903e8e9c7494c461e0bdcebb
SHA1 hash: f247ebf1ac36c6aba907558f4a8b6f92aaff2c92
MD5 hash: cd690a9b823509dde0009277eb9b47bf
humanhash: island-oregon-twenty-washington
File name:PO121856.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:636'928 bytes
First seen:2020-12-18 08:32:18 UTC
Last seen:2020-12-18 10:50:51 UTC
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:NcZwsq0DCbx7VK8kDDRjjFqVxWLdhQpmny+08x1dv19h3A3VcALyofxFV:cwsDCbx72Vj0zWR
Threatray 1'894 similar samples on MalwareBazaar
TLSH 2DD45AAC361076DFC867CD77C9A81C64EA20647B930BD243A02315EDAA0DA97DF156F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: localserver.localdomain
Sending IP: 49.239.156.11
From: Michelle Liu<michelle.liu@me.net>
Subject: Re: Purchase Order Request
Attachment: PO121856.zip (contains "PO121856.exe")

AgentTesla SMTP exfil server:
smtpauth.earthlink.net:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO121856.exe
Verdict:
Malicious activity
Analysis date:
2020-12-18 08:32:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9f174f3f-1b24-4e0c-ab08-1c935ca96765

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/108327/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.jc.16734.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566115
Signature
.NET source code contains very large array initializations
Binary contains a suspicious time stamp
Contains functionality to register a low level keyboard hook
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332138 Sample: PO121856.exe Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 10 other signatures 2->72 7 PO121856.exe 6 2->7         started        11 pBIYNM.exe 5 2->11         started        13 pBIYNM.exe 2->13         started        process3 file4 36 C:\Users\user\AppData\...\pfSJhoOWdPyLDB.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp9AF1.tmp, XML 7->38 dropped 40 C:\Users\user\AppData\...\PO121856.exe.log, ASCII 7->40 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 78 Contains functionality to register a low level keyboard hook 7->78 15 PO121856.exe 17 5 7->15         started        20 schtasks.exe 1 7->20         started        80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 22 pBIYNM.exe 14 2 11->22         started        24 schtasks.exe 1 11->24         started        26 pBIYNM.exe 11->26         started        signatures5 process6 dnsIp7 42 207.69.189.204, 49776, 49777, 49778 WINDSTREAMUS United States 15->42 44 smtpauth.earthlink.net 207.69.189.208, 49774, 587 WINDSTREAMUS United States 15->44 52 3 other IPs or domains 15->52 32 C:\Users\user\AppData\Roaming\...\pBIYNM.exe, PE32 15->32 dropped 34 C:\Users\user\...\pBIYNM.exe:Zone.Identifier, ASCII 15->34 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->58 28 conhost.exe 20->28         started        46 54.235.142.93, 443, 49775 AMAZON-AESUS United States 22->46 48 nagano-19599.herokussl.com 22->48 50 api.ipify.org 22->50 60 Tries to harvest and steal ftp login credentials 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 64 Installs a global keyboard hook 22->64 30 conhost.exe 24->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e497cfbd4e4df1948752cf38a3125c68ec2bbc77d769217029d0938df07029bf/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2020-12-18 04:00:11 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4sl47pkojxyzjb2sz44kges4ndwcxpdx25usc4bj2cjy34dqfg7q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02312b29f98be5771e45592778fa9ab84ff312a3aef9d4c28aa70d7be0162d51
AgentTesla
068e09db64c69a2e1b69a791dc3a2756f6fa1091b56ff47285dadd8f425ebe9d
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2be641fe6ad1a60bc76261ac08484fa678c36ead721e9d84dce7ba1388a91bd4
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4d798e49d6042c84dda4643b603b3642abd26d984f6530a18708e51ea624ccbb
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4fb0f5d8aace8234fd8ed8d02b7d8b3643bbe5350904da254c2c0fdb16ecabe3
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61060fa22e8fe8c29f2cd7b2b4b9bc4d350fc9331a6dfcbc2f873bec00f6818d
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ba3548566c5eda9447bd910346549f92ecc5cd51f959f51cc7bc836a2ce49501
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f37614ecb7916b27340fd6270d6917b8778c0b92b8edf0ff9e4aa65f3883f626
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f8b957b53da50425dfd655553ad255dd26e307971d477edd441ae2c2248ff121
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fad59266b34827f994eba36a030a5abd4c552c3132801afec5fe74c787e10044
AgentTesla
+ 1'884 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/201218-x37rqee432/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
e497cfbd4e4df1948752cf38a3125c68ec2bbc77d769217029d0938df07029bf
MD5 hash:
cd690a9b823509dde0009277eb9b47bf
SHA1 hash:
f247ebf1ac36c6aba907558f4a8b6f92aaff2c92
Link:
https://www.unpac.me/results/343a0c99-3865-47cf-8bbb-cd55bda344f6/
SH256 hash:
3022652b5ccd90a94b7d8d675f26d860aad0360d6bc02c502c88fed766711925
MD5 hash:
61947ba3dfdfe8438ea2721dfeefe1ce
SHA1 hash:
3a161d18beeca49e36a25b4d4b9bec70b21a86b8
Link:
https://www.unpac.me/results/343a0c99-3865-47cf-8bbb-cd55bda344f6/
SH256 hash:
9a0c87e043a505d47d2818c5a4561a44344bf8e73498cc418ea92717d1162035
MD5 hash:
0cf9add8c2943b09e5c13c43c63d81f1
SHA1 hash:
3e3944c9023f88b5567993dc495c5a653b8db674
Link:
https://www.unpac.me/results/343a0c99-3865-47cf-8bbb-cd55bda344f6/
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
Link:
https://www.unpac.me/results/343a0c99-3865-47cf-8bbb-cd55bda344f6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e497cfbd4e4df1948752cf38a3125c68ec2bbc77d769217029d0938df07029bf

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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 9ca587bcddcfb2092f504b81aeaa02afb4a6c7e7f895246dce8ccc19be43621e

AgentTesla

Executable exe e497cfbd4e4df1948752cf38a3125c68ec2bbc77d769217029d0938df07029bf

(this sample)

  
Dropped by
MD5 752b1ea830152e0333e98b74fb08f3db
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 9ca587bcddcfb2092f504b81aeaa02afb4a6c7e7f895246dce8ccc19be43621e
Cape
Cape
https://www.capesandbox.com/analysis/108327/

Comments