MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18
SHA3-384 hash: e12d0e147733b2d695e89f7e9efabd04e01a7e2769d46e218e6eb23bc3e7967c7bf95fd6e627d67807bc49edb3344aa8
SHA1 hash: 38d6d83ce02dc2dcfa318e413aa94c77fff61810
MD5 hash: 223072360201fb722bf71754187d6146
humanhash: alanine-summer-vermont-autumn
File name:Halk Bank_Dokument za Plakanje_pdf.bat
Download: download sample
Signature AgentTesla
Create hunting rule
File size:18'678 bytes
First seen:2024-03-23 07:41:58 UTC
Last seen:2024-03-23 14:06:29 UTC
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 384:n89dMD9EmTEUCradbyZD5Wx5S705aHJYv9FpDvahhPZGpBp2gsJnuZ8L2/YYeiS:89mFDyZtWz4FJU9XDveVkpBp2gsJnuzI
TLSH T1098206EB81E00DD45AF4B9457C5B22496B0FC8D44331C8FFB7D49B1A983E92FD628288
Reporter abuse_ch
Tags:AgentTesla bat Halkbank

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Banco Montepio_ Aviso de Pago_pdf.7z
Verdict:
No threats detected
Analysis date:
2024-03-22 14:54:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f9557a38-1e59-4036-8ead-53a1b5c5bea2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching cmd.exe command interpreter
Launching a process
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% directory
Changing a file
Creating a file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Reading critical registry keys
Creating a window
Moving a file to the Program Files subdirectory
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd lolbin masquerade powershell xcopy
Link:
https://www.filescan.io/uploads/65fe87d1b81a555db48bb5aa/reports/54ac9aba-4330-4f14-8997-d037ddbb7b55/overview
Verdict:
Suspicious
Labled as:
Trojan.BAT.Setter
Link:
https://www.hybrid-analysis.com/sample/b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
spre.bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1414111
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Malicious encrypted Powershell command line found
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Powershell is started from unusual location (likely to bypass HIPS)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Reads the Security eventlog
Reads the System eventlog
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: RegAsm connects to smtp port
Snort IDS alert for network traffic
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1414111 Sample: Banco Montepio_ Aviso de Pa... Startdate: 22/03/2024 Architecture: WINDOWS Score: 100 66 mail.bfm.com.mk 2->66 68 remisat.com.uy 2->68 70 ip-api.com 2->70 80 Snort IDS alert for network traffic 2->80 82 Multi AV Scanner detection for domain / URL 2->82 84 Found malware configuration 2->84 86 12 other signatures 2->86 9 cmd.exe 1 2->9         started        12 cmd.exe 2->12         started        14 cmd.exe 1 2->14         started        signatures3 process4 signatures5 100 Malicious encrypted Powershell command line found 9->100 102 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->102 104 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->104 16 cmd.exe 1 9->16         started        19 xcopy.exe 2 9->19         started        22 conhost.exe 9->22         started        24 cmd.exe 1 9->24         started        26 cmd.exe 12->26         started        32 3 other processes 12->32 28 cmd.exe 1 14->28         started        30 conhost.exe 14->30         started        34 2 other processes 14->34 process6 file7 78 Malicious encrypted Powershell command line found 16->78 36 Ywideoovuuu.Vdb 16 18 16->36         started        40 conhost.exe 16->40         started        42 cmd.exe 1 16->42         started        50 3 other processes 16->50 64 C:\Users\user\AppData\...\Ywideoovuuu.Vdb, PE32 19->64 dropped 44 Ywideoovuuu.Vdb 26->44         started        52 5 other processes 26->52 46 Ywideoovuuu.Vdb 15 28->46         started        48 conhost.exe 28->48         started        54 4 other processes 28->54 signatures8 process9 dnsIp10 72 remisat.com.uy 192.254.232.209, 443, 49729, 49739 UNIFIEDLAYER-AS-1US United States 36->72 88 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 36->88 90 Writes to foreign memory regions 36->90 92 Powershell is started from unusual location (likely to bypass HIPS) 36->92 56 RegAsm.exe 14 2 36->56         started        94 Injects a PE file into a foreign processes 44->94 96 Reads the Security eventlog 44->96 98 Reads the System eventlog 44->98 60 RegAsm.exe 44->60         started        62 RegAsm.exe 46->62         started        signatures11 process12 dnsIp13 74 mail.bfm.com.mk 192.185.158.53, 49731, 49732, 49741 UNIFIEDLAYER-AS-1US United States 56->74 76 ip-api.com 208.95.112.1, 49730, 49740, 49744 TUT-ASUS United States 56->76 106 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 56->106 108 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 56->108 110 Tries to steal Mail credentials (via file / registry access) 56->110 112 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 56->112 114 Tries to harvest and steal browser information (history, passwords, etc) 60->114 signatures14
Score:
2%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-03-22 12:28:09 UTC
File Type:
Text (Batch)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wf53hlh5xxdvbparprxjomaz24pw6gblmtwu42ahi2wgmbavrqma._file
Verdict:
unknown
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240323-jjnnpshc9t/
Behaviour
Suspicious behavior: CmdExeWriteProcessMemorySpam
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
Looks up external IP address via web service
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
Suspicious use of NtCreateUserProcessOtherParentProcess
ZGRat
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/b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18

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:BlackGuard_Rule
Create hunting rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection

File information

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

Comments