MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb9796c94e4694540a9285f5bfd25d1c795b162bb49eb91282c271b8a1c0057a. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb9796c94e4694540a9285f5bfd25d1c795b162bb49eb91282c271b8a1c0057a
SHA3-384 hash: 14071b92929ef28b534844ff197b33e25e19494ee90e7d21bfa2da948b0cd04bfd7f1b1520ea5c91023b905767db2530
SHA1 hash: 6c4c949e3a5754cdb4bf4a416fefd6aec1240480
MD5 hash: d8db7a305f1d94a1d12675417c4e7b11
humanhash: xray-shade-north-nebraska
File name:IMG-73547685126-00007 pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'333'248 bytes
First seen:2021-08-02 05:28:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:CjQc376DOVfx8Dgyfx8Dg6cV2qd3VpNb+S6kdT+hE219aV0NwDZT2L:m376Q58Dgy58DgpV2qz3hbQXVCZa
Threatray 7'698 similar samples on MalwareBazaar
TLSH T11D55E09E7940DEBBD61C13B56518D88042A9A814C227FBEF7E6162B233E1B794F14CF1
dhash icon b271e8e4d4ccf070 (22 x AgentTesla, 14 x Formbook, 11 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
811
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG-73547685126-00007 pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-02 05:33:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f7dffa05-4043-43a8-9921-f9fa5ed6e681

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/175653/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.DLO.genEldorado.22408.22956.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0e65a28a-a472-4783-aebb-c9b8d23afe57
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/825312
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 457726 Sample: IMG-73547685126-00007 pdf.exe Startdate: 02/08/2021 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected AgentTesla 2->32 34 4 other signatures 2->34 6 IMG-73547685126-00007 pdf.exe 3 2->6         started        10 YYtJku.exe 3 2->10         started        12 YYtJku.exe 2 2->12         started        process3 file4 22 C:\...\IMG-73547685126-00007 pdf.exe.log, ASCII 6->22 dropped 36 Injects a PE file into a foreign processes 6->36 14 IMG-73547685126-00007 pdf.exe 2 5 6->14         started        38 Multi AV Scanner detection for dropped file 10->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->40 42 Machine Learning detection for dropped file 10->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->44 18 YYtJku.exe 2 10->18         started        20 YYtJku.exe 10->20         started        signatures5 process6 file7 24 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->24 dropped 26 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->26 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->46 48 Moves itself to temp directory 14->48 50 Tries to steal Mail credentials (via file access) 14->50 52 3 other signatures 14->52 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fb9796c94e4694540a9285f5bfd25d1c795b162bb49eb91282c271b8a1c0057a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-02 02:18:51 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7olznskoi2kficusqx237us5dr4vwfrlwsplseucyjy3rioaav5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c47a1bec63c3321e3530b15f0c38968413d44cf668218da1d17b80b0e822af9
AgentTesla
342af886075cca7fdeb8b212c3cfa6721adb1282dd670f0221a7f08cf1946dda
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51af0a175f8c7ef9d3e6b06b54ed1c8b4175f21ebac90816c6c36fd0e62ef654
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542200906b6fd1d7cbf92964d984d66eb7566451cb68851ab9ddd8761fe68def
AgentTesla
7fb4a26d9f2c3a08c69d7f5838b7f88d8c6f31ab2aa69b130b150449baaea7ad
AgentTesla
96aa64a34e614014eec56b7c113d7e67ab03ebca68cf3e866025b7109f917ef9
AgentTesla
b9bdecad95f12652d5836428a1b1fe94467156f0d7c2743101b1350961da720c
AgentTesla
d4a486d6eb6ff402162a440e49cb53777c2a3a0e98abb04016e189cd445676a2
AgentTesla
+ 7'688 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/210802-l4dja9yqmj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
36589bf54e684891cf881c06e834a89a223fda8e5cecf1b02d4ce81dca0ab8df
MD5 hash:
a16582d77c3a048ffddf41132c873304
SHA1 hash:
cf701a25d0e1c91f65c2a7e751c279275207b1f4
Link:
https://www.unpac.me/results/b10217cb-0954-4b77-a542-e22c369cfc44/
SH256 hash:
e7e43a1a41d17faca31a0a0e089dea7375b1c94af586fe7b7f402b6f73eb934e
MD5 hash:
262eaac18d684cb9861a82767bfcd5c9
SHA1 hash:
76a0d664ba21bc7fab21f89bd03609a07e90e105
Link:
https://www.unpac.me/results/b10217cb-0954-4b77-a542-e22c369cfc44/
SH256 hash:
cfef97ff706312dff4edd998aeee22f1283221631ebb0cc954bebbb701c1465c
MD5 hash:
a0f625a3d3348903f3c902f588c0e4f5
SHA1 hash:
20d1f0b74abe6f500e8c21119f55281926210ac0
Link:
https://www.unpac.me/results/b10217cb-0954-4b77-a542-e22c369cfc44/
SH256 hash:
fb9796c94e4694540a9285f5bfd25d1c795b162bb49eb91282c271b8a1c0057a
MD5 hash:
d8db7a305f1d94a1d12675417c4e7b11
SHA1 hash:
6c4c949e3a5754cdb4bf4a416fefd6aec1240480
Link:
https://www.unpac.me/results/b10217cb-0954-4b77-a542-e22c369cfc44/
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/fb9796c94e4694540a9285f5bfd25d1c795b162bb49eb91282c271b8a1c0057a

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:quakbot_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:silentbuilder_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe fb9796c94e4694540a9285f5bfd25d1c795b162bb49eb91282c271b8a1c0057a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/175653/

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