MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75d78c21037f0772b93c881552d2d5b10c3c299d185a9ba243cb6416a4fa2384. 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 2 File information Comments

SHA256 hash: 75d78c21037f0772b93c881552d2d5b10c3c299d185a9ba243cb6416a4fa2384
SHA3-384 hash: b4228813f7c00465ae24abaed1566dab477ed30489d6f1d9308bebfa9543d69558ca82b46b9c35304dd0d18f1267f179
SHA1 hash: a2d828b539f8739d0a062c1b6d1d9357023bd60e
MD5 hash: 2121b1f8077240de9ef3129b47368251
humanhash: apart-yankee-zulu-alaska
File name:worldbank purchase order_May.exe
Download: download sample
Signature AgentTesla
File size:763'392 bytes
First seen:2024-05-03 09:22:09 UTC
Last seen:2024-05-03 10:25:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:0vhdotJla58qJOz/blonc1X02JTzXJJQIlSzj6DxOnUPoa6+A9QDNnLHW:shdaMRUzDjCcT3QIcYOUPIPZ
Threatray 24 similar samples on MalwareBazaar
TLSH T104F4230FE6EABF77E6FA837505D3900A73F015AD8213D3621DDA29D12A927C05640F8B
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 2649c96969c9c836 (12 x AgentTesla, 4 x Formbook, 1 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
371
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
75d78c21037f0772b93c881552d2d5b10c3c299d185a9ba243cb6416a4fa2384.exe
Verdict:
Malicious activity
Analysis date:
2024-05-03 09:27:39 UTC
Tags:
n/a

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
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1435890 Sample: worldbank purchase order_May.exe Startdate: 03/05/2024 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 11 other signatures 2->62 7 worldbank purchase order_May.exe 7 2->7         started        11 fTLnWZSU.exe 5 2->11         started        13 chrome.exe 1 2->13         started        16 chrome.exe 2->16         started        process3 dnsIp4 46 C:\Users\user\AppData\Roaming\fTLnWZSU.exe, PE32+ 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmp9068.tmp, XML 7->48 dropped 66 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->66 68 Modifies the context of a thread in another process (thread injection) 7->68 70 Adds a directory exclusion to Windows Defender 7->70 18 powershell.exe 23 7->18         started        21 schtasks.exe 1 7->21         started        23 worldbank purchase order_May.exe 7->23         started        72 Multi AV Scanner detection for dropped file 11->72 74 Machine Learning detection for dropped file 11->74 25 schtasks.exe 1 11->25         started        27 fTLnWZSU.exe 11->27         started        50 192.168.2.4, 138, 443, 49723 unknown unknown 13->50 52 239.255.255.250 unknown Reserved 13->52 29 chrome.exe 13->29         started        32 chrome.exe 16->32         started        file5 signatures6 process7 dnsIp8 64 Loading BitLocker PowerShell Module 18->64 34 WmiPrvSE.exe 18->34         started        36 conhost.exe 18->36         started        38 conhost.exe 21->38         started        40 WerFault.exe 2 23->40         started        42 conhost.exe 25->42         started        44 WerFault.exe 4 27->44         started        54 www.google.com 142.251.40.132, 443, 49737, 49738 GOOGLEUS United States 29->54 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2024-05-03 09:23:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
75d78c21037f0772b93c881552d2d5b10c3c299d185a9ba243cb6416a4fa2384
MD5 hash:
2121b1f8077240de9ef3129b47368251
SHA1 hash:
a2d828b539f8739d0a062c1b6d1d9357023bd60e
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:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments