MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8a9e94c8bbe43c7684e509ae89eb4d74b28a7fb3d5504c559f555c1e453bdd7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8a9e94c8bbe43c7684e509ae89eb4d74b28a7fb3d5504c559f555c1e453bdd7
SHA3-384 hash: b30746ec68382f328049cdf3a917db1506103fb7c65a325a79aa69860c28ff09798147473593e9d52300fc0dca1656fe
SHA1 hash: 921b5d6d49ec94ff19af7a4557ed551780948a75
MD5 hash: 95ee7601ed2d258dcdae7eb55ed5dc6f
humanhash: angel-wolfram-music-uncle
File name:Bank Info.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:659'968 bytes
First seen:2021-02-15 15:37:16 UTC
Last seen:2021-02-15 18:12:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:DhwOhGT/f7DSvWN1JuigLYVlaf+dhKeVnVBAzzK43ryyMXf:FkzHSvi7AYaf+dk+gzPJI
Threatray 2'650 similar samples on MalwareBazaar
TLSH 87E40120B7A1EB8BD57D51750036089463F9AC267832CA5F7CD0B1E84CB9BAF1F19792
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Info.exe
Verdict:
Malicious activity
Analysis date:
2021-02-15 15:40:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/609dfb7c-dce4-467a-b86d-fcc5690560fd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/117173/
Detection(s):
SecuriteInfo.com.Variant.Bulz.356008.30250.28637.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/608155
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 353107 Sample: Bank Info.exe Startdate: 15/02/2021 Architecture: WINDOWS Score: 96 29 mail.gayaceramic.com 2->29 31 gayaceramic.com 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AgentTesla 2->37 39 6 other signatures 2->39 8 Bank Info.exe 15 6 2->8         started        signatures3 process4 file5 23 C:\Users\user\AppData\Roaming\...\yo.exe, PE32 8->23 dropped 25 C:\Users\user\...\yo.exe:Zone.Identifier, ASCII 8->25 dropped 27 C:\Users\user\AppData\...\Bank Info.exe.log, ASCII 8->27 dropped 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->41 12 yo.exe 14 3 8->12         started        15 cmd.exe 1 8->15         started        signatures6 process7 signatures8 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 12->43 45 Injects a PE file into a foreign processes 12->45 17 yo.exe 2 12->17         started        19 conhost.exe 15->19         started        21 reg.exe 1 1 15->21         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8a9e94c8bbe43c7684e509ae89eb4d74b28a7fb3d5504c559f555c1e453bdd7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-15 12:19:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
43
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcu6stelxzb4o2cokcnorhvu25fsrj73hvkqjrkz6vk4dzctxxlq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0156cc74dc52bcb6c9e1ea57e4e68825fb45a506e17701895e056a677d413184
AgentTesla
19ac9ca7fc7e710f25432fdbdef8b5dd5d1ebe1ad6fa5607e89c09815d40e062
AgentTesla
33c6ab107de081461d6f7b67d5d120efc3dd15ba75351d9a564884d6368078fe
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60a77ee5b32933d4ecd4c6302f62d1ff9ae732b24350c67ac0b6b84f253a867c
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61ee96373bea7a259e498df91ca0ac4be13c0b130d85ea5efab91846c5cc9b79
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828e23d2a1e4de67827b62b8c1fad396ebb7a1005b3137e686552e631957a70f
AgentTesla
8b9abfcdfed4c5a95b6425c5ca75d7b0a17e43e42d6f78cca6f7d8e8c2d7a967
AgentTesla
b73af6301fd4b0efff09e43dac97b8abf2e3d8d8eec3bee435002e320eaedf5f
AgentTesla
db08bc70f92e080c87f0aea5fa596f27a559dd1639c6dde81e302a4166f3b3fb
AgentTesla
f2107af67057a683b0f47e63cc4f348747945cba5255da566d8bf65a1a26b47d
AgentTesla
+ 2'640 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210215-rebf9nzxla/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
b8a9e94c8bbe43c7684e509ae89eb4d74b28a7fb3d5504c559f555c1e453bdd7
MD5 hash:
95ee7601ed2d258dcdae7eb55ed5dc6f
SHA1 hash:
921b5d6d49ec94ff19af7a4557ed551780948a75
Link:
https://www.unpac.me/results/8c826520-9688-4614-aacd-c0f7f806f020/
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/b8a9e94c8bbe43c7684e509ae89eb4d74b28a7fb3d5504c559f555c1e453bdd7

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/117173/

Comments