MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdbb232c5600efca14367c9830ed7308e3b3f06c690d0536905a6bfd2a6c2980. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
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SHA256 hash: bdbb232c5600efca14367c9830ed7308e3b3f06c690d0536905a6bfd2a6c2980
SHA3-384 hash: 4a12c7206560aa202c92a7ce41ca0b85c688cb38d599ba034d6263a4d2b63128b020a1a96adb423eda2aae4c3bbe3411
SHA1 hash: 1d74666b8e32a81797eee439ee27362cf408d1d3
MD5 hash: 77f89266abefd94f3c91d3ab6c43ca23
humanhash: lion-hydrogen-nine-princess
File name:callyzx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'104'896 bytes
First seen:2021-12-07 14:51:50 UTC
Last seen:2021-12-07 16:39:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:GD9lAKrO6M5bAlTc7/QJxRWto7T35FfKOOGG:G3M5cl8YXRWtofKOOGG
Threatray 13'324 similar samples on MalwareBazaar
TLSH T1BB3522AC3A9367EED29583783725917453B6BE721053D28DE499358F0D33B407A73263
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
callyzx.exe
Verdict:
Malicious activity
Analysis date:
2021-12-07 15:08:47 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e7aff4e4-41a6-4c1b-9910-dd9556b2d3b0

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/212190/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.20356.2197.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61af7515fa72c81b5b102446/reports/70a2c2d5-595b-4292-9298-41e0c39e0484/overview
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/92e8d05a-23cf-4066-aa28-6e70270fe5a4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/903159
Signature
.NET source code contains potential unpacker
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
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 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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 535669 Sample: callyzx.exe Startdate: 07/12/2021 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 Yara detected AntiVM3 2->43 45 3 other signatures 2->45 6 callyzx.exe 3 2->6         started        10 szRba.exe 3 2->10         started        12 szRba.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\callyzx.exe.log, ASCII 6->23 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 51 Injects a PE file into a foreign processes 6->51 14 callyzx.exe 2 5 6->14         started        53 Multi AV Scanner detection for dropped file 10->53 55 Machine Learning detection for dropped file 10->55 19 szRba.exe 2 10->19         started        21 szRba.exe 2 12->21         started        signatures5 process6 dnsIp7 29 smtp.mail.com 74.208.5.15, 49828, 587 ONEANDONE-ASBrauerstrasse48DE United States 14->29 25 C:\Users\user\AppData\Roaming\...\szRba.exe, PE32 14->25 dropped 27 C:\Users\user\...\szRba.exe:Zone.Identifier, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file / registry access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 2 other signatures 14->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bdbb232c5600efca14367c9830ed7308e3b3f06c690d0536905a6bfd2a6c2980/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-07 14:50:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
08caa9af8bc3d72fc768962c2319b86c9712a2437e6ca0e7cca8fc1049536def
AgentTesla
6c774012ef6641580ad729f00e565e5ab5a13e7eeca97b510f2e2e9e101b9375
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71e6c949b0e259018b39ad513305c9197afe74c9d68119db8e6e545c74ceedcb
AgentTesla
790b008421852f555794a5e59c91f894993dcac641104ca06087bda8c1b5ea50
AgentTesla
8bf1fcc1eb1d892741e1651e50c125548dd45272d568987db84932d7937b197c
AgentTesla
b2a96d57f2421ebdc9fdf4813b413e1d2f84277b5dab59cccc52224094ff5ae4
AgentTesla
b8e4c54f15ac8fc84223e2460f6201401c960851b4006d61360caa57c34af3ed
AgentTesla
c7f550e8c475e40e96a111f7b00339c39eed720f57040670fd7d7f5d926ed86c
AgentTesla
d375f6f780b9623c85714c9fadae46359a8e308bdeaee7e2161a86c0a89c7d06
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f39980b6f513345fde2aad18cb790595c8cb64139cb0aa1686d6c4e7c8b24e2b
AgentTesla
+ 13'314 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211207-r8qtcsaeaq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
8ec45f205c3bb227428c573e566e220e2f640c420bd01f575a0b847589ebb1aa
MD5 hash:
e9b2bfdb9204aa01851d98f6af7874eb
SHA1 hash:
fdd8cab469386b6ad8a903ca5ac46eaa666d434e
Link:
https://www.unpac.me/results/9da6f9dc-0295-4c4b-a2d6-1b1c3908acd8/
SH256 hash:
212434b4342d065ddc449067f54a3f4fd5661d937d769768f29c136b8db898c3
MD5 hash:
505afda9b4f5bb6c9da37138e968e584
SHA1 hash:
464c5cd29bc039101fdbd067a8606a9aaae0e3bd
Link:
https://www.unpac.me/results/9da6f9dc-0295-4c4b-a2d6-1b1c3908acd8/
SH256 hash:
80855df0d7e7629d1f16cfecb7270f7db3ae6c1e32973803330862e531e69a53
MD5 hash:
2ee37952c40f8681eb58af6196d117da
SHA1 hash:
10f1c59089e1485b1440a47fbde89172dd000a29
Link:
https://www.unpac.me/results/9da6f9dc-0295-4c4b-a2d6-1b1c3908acd8/
SH256 hash:
bdbb232c5600efca14367c9830ed7308e3b3f06c690d0536905a6bfd2a6c2980
MD5 hash:
77f89266abefd94f3c91d3ab6c43ca23
SHA1 hash:
1d74666b8e32a81797eee439ee27362cf408d1d3
Link:
https://www.unpac.me/results/9da6f9dc-0295-4c4b-a2d6-1b1c3908acd8/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bdbb232c5600/report/overview.html
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/bdbb232c5600efca14367c9830ed7308e3b3f06c690d0536905a6bfd2a6c2980

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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/212190/

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