MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9a91893b3b95befa9ecaa2151c2ed9a1b720c171083537d8aab85f0114f04b3. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e9a91893b3b95befa9ecaa2151c2ed9a1b720c171083537d8aab85f0114f04b3
SHA3-384 hash: 8d37af1ec8787e8de21de23b023ccdec5e406253ae75cf6963e88def8f01b4e05775def7f2ec9785ea937531e1d7a8bf
SHA1 hash: 82a40ef7cbb135010c0212d5a32642e75e2b8dfd
MD5 hash: 89bc69e241f13a8cf508123509cd23da
humanhash: lake-colorado-south-rugby
File name:Nueva cotización.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:752'640 bytes
First seen:2021-03-01 15:43:36 UTC
Last seen:2021-03-01 17:39:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hGkBc76+hsTisVVrJerZi970eYLW1cxNyDXdukCMQQRUSQkwLFusu4OHBFJkAvgO:wkB+hhugrZI1ey0kC5jLFj4B7vgO
Threatray 2 similar samples on MalwareBazaar
TLSH ABF49D263798AB99F1BD9F389578100093F9B543E35AC74DBD6805CC0BAAFC2C691793
Reporter abuse_ch
Tags:AgentTesla ESP exe geo


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: server.davispharma.com
Sending IP: 66.219.22.138
From: Kainat Jabeen <kainat@davispharma.com>
Subject: Re: Nueva orden de cotización
Attachment: Nueva cotización.arj (contains "Nueva cotización.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nueva cotización.exe
Verdict:
Malicious activity
Analysis date:
2021-03-01 15:53:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7b8d4e10-52ae-4aa1-87ef-8b3aaa6431b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Malware.AI.4244240854.13435.8466.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a process from a recently created file
Result
Verdict:
MALICIOUS
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/622437
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Moves itself to temp directory
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 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 dnsIp2 2 Behavior Graph ID: 360206 Sample: Nueva cotizaci#U00f3n.exe Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 51 seroval.com 2->51 53 mail.seroval.com 2->53 63 Found malware configuration 2->63 65 Sigma detected: Scheduled temp file as task from temp location 2->65 67 Yara detected AgentTesla 2->67 69 8 other signatures 2->69 8 Nueva cotizaci#U00f3n.exe 7 2->8         started        12 YYtJku.exe 5 2->12         started        14 YYtJku.exe 4 2->14         started        signatures3 process4 file5 43 C:\Users\user\AppData\Local\...\tmpDCFC.tmp, XML 8->43 dropped 45 C:\Users\user\AppData\RoamingQrmlYwBh.exe, PE32 8->45 dropped 71 Injects a PE file into a foreign processes 8->71 16 Nueva cotizaci#U00f3n.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->75 23 schtasks.exe 1 12->23         started        25 YYtJku.exe 12->25         started        27 YYtJku.exe 12->27         started        29 schtasks.exe 14->29         started        31 YYtJku.exe 14->31         started        signatures6 process7 dnsIp8 47 seroval.com 66.70.204.222, 49741, 49742, 587 OVHFR Canada 16->47 49 mail.seroval.com 16->49 39 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 16->39 dropped 41 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 16->41 dropped 55 Moves itself to temp directory 16->55 57 Tries to steal Mail credentials (via file access) 16->57 59 Tries to harvest and steal ftp login credentials 16->59 61 2 other signatures 16->61 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 29->37         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e9a91893b3b95befa9ecaa2151c2ed9a1b720c171083537d8aab85f0114f04b3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-01 15:44:11 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5gurre5txfn67kpmviqvdqxntinxedaxccbvg7mkvoc7aekpaszq._file
Verdict:
unknown
Similar samples:
8194e62a1164c14371166f2eb5b7e2e3e695537b738826111710375ca565cf09
AgentTesla
a02d9a1d5053065855293ee57d8a4ec5a8d6805d3290f0f80f3e60ceccef2b0f
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210301-rk8b3l9kp6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
68b716109ff4e18e21bd0acacb3796f7930771d19f6a766d7d3aa0bbde4ce7e0
MD5 hash:
a3d1d373062f59282307d4b9966d702b
SHA1 hash:
60c9c330e6ff63d3e0b3b0b700ac37bde5997ced
Link:
https://www.unpac.me/results/3591888e-3ea6-4362-988a-67eebe04fb19/
SH256 hash:
e9a91893b3b95befa9ecaa2151c2ed9a1b720c171083537d8aab85f0114f04b3
MD5 hash:
89bc69e241f13a8cf508123509cd23da
SHA1 hash:
82a40ef7cbb135010c0212d5a32642e75e2b8dfd
Link:
https://www.unpac.me/results/3591888e-3ea6-4362-988a-67eebe04fb19/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/e9a91893b3b95befa9ecaa2151c2ed9a1b720c171083537d8aab85f0114f04b3

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:enterpriseunix
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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.

8b83e1367bce12c2b5714f24ae9402a0

AgentTesla

Executable exe e9a91893b3b95befa9ecaa2151c2ed9a1b720c171083537d8aab85f0114f04b3

(this sample)

  
Dropped by
MD5 8b83e1367bce12c2b5714f24ae9402a0
  
Delivery method
Distributed via e-mail attachment

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