MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8551dd2e67669e8f7f292296ed868f6c280475a04b203254385e8d251c0ed7d4. 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 2 File information Comments

SHA256 hash: 8551dd2e67669e8f7f292296ed868f6c280475a04b203254385e8d251c0ed7d4
SHA3-384 hash: 4032e93b1ac9a87909776efb1ef305e71bad563b472f0c57281b30c268d4b59693ced0188171b1610b4d51f81b84f96c
SHA1 hash: ad2e6647fa43ccc2eb4cb15a89f06636af5ad242
MD5 hash: 969b8bdacc7b58060f79355b022243e2
humanhash: earth-jig-white-three
File name:PRE ALERT DOCUMENTS.bat
Download: download sample
Signature AgentTesla
File size:1'036'221 bytes
First seen:2023-10-18 17:37:39 UTC
Last seen:2023-10-24 13:40:56 UTC
File type:Batch (bat) bat
MIME type:text/x-msdos-batch
ssdeep 24576:JsuZ8CiCPyvUa8PY6mB7pltlNeZ2owVMb+:OFx7pi2Ma
Threatray 396 similar samples on MalwareBazaar
TLSH T1782523119DB05C6C61F8DA3D713B0E6E2B891E968802D0CF3FC1BED315B5BA6550EE68
Reporter James_inthe_box
Tags:AgentTesla bat

Intelligence


File Origin
# of uploads :
3
# of downloads :
103
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO CEE#2024536.bat
Verdict:
Malicious activity
Analysis date:
2023-10-18 10:29:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd lolbin
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
n/a
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found large BAT file
Found malware configuration
Malicious encrypted Powershell command line found
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Very long command line found
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1328276 Sample: PRE_ALERT_DOCUMENTS.bat Startdate: 18/10/2023 Architecture: WINDOWS Score: 100 56 mail.amtechcards.com 2->56 58 amtechcards.com 2->58 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus detection for URL or domain 2->74 76 8 other signatures 2->76 8 cmd.exe 1 2->8         started        11 cmd.exe 1 2->11         started        signatures3 process4 signatures5 78 Malicious encrypted Powershell command line found 8->78 80 Very long command line found 8->80 13 cmd.exe 1 8->13         started        16 xcopy.exe 2 8->16         started        19 conhost.exe 8->19         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 11->23         started        25 conhost.exe 11->25         started        27 xcopy.exe 1 11->27         started        29 cmd.exe 11->29         started        process6 file7 82 Malicious encrypted Powershell command line found 13->82 84 Very long command line found 13->84 31 Tzqmovwgacv.png 19 13->31         started        36 xcopy.exe 3 13->36         started        38 conhost.exe 13->38         started        46 3 other processes 13->46 50 C:\Users\user\AppData\...\Tzqmovwgacv.png, PE32 16->50 dropped 40 Tzqmovwgacv.png 19 23->40         started        42 conhost.exe 23->42         started        44 xcopy.exe 1 23->44         started        48 3 other processes 23->48 signatures8 process9 dnsIp10 60 amtechcards.com 64.188.2.244, 49708, 49709, 587 ASN-QUADRANET-GLOBALUS United States 31->60 52 C:\Users\user\AppData\...\Tzqmovwgacv.bat, DOS 31->52 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 31->62 64 Tries to steal Mail credentials (via file / registry access) 31->64 66 Powershell is started from unusual location (likely to bypass HIPS) 31->66 54 C:\Users\user\AppData\...\Tzqmovwgacv.png.bat, DOS 36->54 dropped 68 Tries to harvest and steal browser information (history, passwords, etc) 40->68 file11 signatures12
Threat name:
Script-BAT.Trojan.PSRunner
Status:
Malicious
First seen:
2023-10-18 15:17:41 UTC
File Type:
Text (Batch)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:BlackGuard_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.

Malspam

AgentTesla

Batch (bat) bat 8551dd2e67669e8f7f292296ed868f6c280475a04b203254385e8d251c0ed7d4

(this sample)

Comments