MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42fa2465262a38c68c5ffececfc6068a34916e2ac878c742429f63ec2efe0f27. 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 1 File information Comments

SHA256 hash: 42fa2465262a38c68c5ffececfc6068a34916e2ac878c742429f63ec2efe0f27
SHA3-384 hash: 9262c11c240345867a27c73a78f93ffdd7aabc2cf90e1d3aa6584bc55956046dcb59c3a89ce346a144725a2d6b9c996b
SHA1 hash: dc148cc1bbe82dddfdf9b5d74b96fa1a75e117b5
MD5 hash: d5c4228fa3eb4bd9652f13e849de914b
humanhash: asparagus-iowa-steak-oxygen
File name:file.exe
Download: download sample
Signature AgentTesla
File size:691'216 bytes
First seen:2023-06-28 14:21:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:msJyxDXXdqxwp5yh0C8/vRc5iTuLgTHEjrPaxqiZkPKnUOBvCIw0r7BDHvn:mGyhXdCwp5yhp8/ve52pr0pi7UQRTBf
Threatray 4 similar samples on MalwareBazaar
TLSH T1D4E48C94CE070B6AC93DBEBF4C9595EB4A2955B77305C2F921E00EB0B0C99244FCA6D7
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
274
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-06-28 14:28:58 UTC
Tags:
agenttesla

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

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a service
Launching a service
Loading a system driver
Creating a file in the Windows subdirectories
Creating a file in the Windows directory
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun for a service
Blocking the User Account Control
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmstp lolbin overlay packed
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:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
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 UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 895753 Sample: file.exe Startdate: 28/06/2023 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 5 other signatures 2->50 7 file.exe 1 5 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 3 2->13         started        15 3 other processes 2->15 process3 file4 36 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 7->36 dropped 38 C:\Users\user\AppData\Local\...\file.exe.log, CSV 7->38 dropped 54 Drops PE files with benign system names 7->54 17 cmd.exe 1 7->17         started        19 cmd.exe 1 7->19         started        56 Multi AV Scanner detection for dropped file 11->56 58 Machine Learning detection for dropped file 11->58 40 C:\Windows\Temp\dnefab54.inf, Windows 13->40 dropped 22 cmstp.exe 8 7 13->22         started        signatures5 process6 signatures7 24 svchost.exe 1 17->24         started        28 conhost.exe 17->28         started        30 timeout.exe 1 17->30         started        52 Uses schtasks.exe or at.exe to add and modify task schedules 19->52 32 conhost.exe 19->32         started        34 schtasks.exe 1 19->34         started        process8 file9 42 C:\Zemana.sys, PE32+ 24->42 dropped 60 Sample is not signed and drops a device driver 24->60 signatures10
Threat name:
ByteCode-MSIL.Trojan.Dotrunpex
Status:
Malicious
First seen:
2023-06-28 14:22:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
42fa2465262a38c68c5ffececfc6068a34916e2ac878c742429f63ec2efe0f27
MD5 hash:
d5c4228fa3eb4bd9652f13e849de914b
SHA1 hash:
dc148cc1bbe82dddfdf9b5d74b96fa1a75e117b5
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:BAZT_B5_NOCEXInvalidStream

File information


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

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