MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
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SHA256 hash: a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136
SHA3-384 hash: d9f0c942fc248a9a329b0699b3eb9096ccdd3c9ec1715e5e3f8a46041eb7f1f7782b7d1bb694a348015a27b6880d6df4
SHA1 hash: f5dcda432d515083a8536e07777c5748ca1f945d
MD5 hash: 08271ffa8f7e596d7fa17aa47226ef9d
humanhash: connecticut-bacon-india-foxtrot
File name:IMG_160750_311608.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'993'728 bytes
First seen:2024-06-19 13:07:29 UTC
Last seen:2024-06-19 15:16:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:p9TE0vEWbFPN50sUgzpiDRx+XKq3ilh5TGqneE/9qkZRFnb0HjE9EPil:pNE08WbY5pzb0HjEOu
Threatray 136 similar samples on MalwareBazaar
TLSH T13995B303BA8785F2D3895B77D5A744042779EE922613E60E397A332A08337F6CF60597
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 31658c8c85b52fa5 (2 x AgentTesla, 1 x SnakeKeylogger, 1 x DarkCloud)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
341
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136.exe
Verdict:
Malicious activity
Analysis date:
2024-06-19 13:09:36 UTC
Tags:
payload smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/28799e62-7667-4db8-90d1-efec35c34384

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.16301.16794.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6672d9f189a0563951ff478cwin7simulatehigh_evasion
Tags:
Stealth Dldr
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Restart of the analyzed sample
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm explorer lolbin net_reactor packed
Link:
https://www.filescan.io/uploads/6672d83649a1c8306267919c/reports/8df38d17-8cf4-42db-ada1-2fa30756a157/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136
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.
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/931ba392-bc2c-4a94-af77-250960b3f582
Result
Threat name:
AgentTesla, Clipboard Hijacker, PureLog
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1459533
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Creates multiple autostart registry keys
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: New RUN Key Pointing to Suspicious Folder
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Clipboard Hijacker
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: 1459533 Sample: IMG_160750_311608.exe Startdate: 19/06/2024 Architecture: WINDOWS Score: 100 73 zqamcx.com 2->73 79 Snort IDS alert for network traffic 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 14 other signatures 2->85 9 IMG_160750_311608.exe 15 6 2->9         started        14 lojziw.exe 2->14         started        16 IMG10.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 77 78.111.67.189, 49711, 49719, 49723 SURFPLANET-ASDE Germany 9->77 67 C:\Users\user\AppData\Roaming\lojziw.exe, PE32 9->67 dropped 69 C:\Users\user\AppData\Local\Temp\IMG10.exe, PE32 9->69 dropped 71 C:\Users\user\...\lojziw.exe:Zone.Identifier, ASCII 9->71 dropped 107 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->107 109 Creates multiple autostart registry keys 9->109 111 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->111 20 IMG10.exe 14 4 9->20         started        23 IMG_160750_311608.exe 2 9->23         started        26 cmd.exe 1 9->26         started        28 cmd.exe 9->28         started        113 Multi AV Scanner detection for dropped file 14->113 115 Machine Learning detection for dropped file 14->115 117 Injects a PE file into a foreign processes 14->117 30 lojziw.exe 14->30         started        32 cmd.exe 14->32         started        34 cmd.exe 14->34         started        36 3 other processes 16->36 38 2 other processes 18->38 file6 signatures7 process8 dnsIp9 87 Multi AV Scanner detection for dropped file 20->87 89 Machine Learning detection for dropped file 20->89 91 Injects a PE file into a foreign processes 20->91 40 IMG10.exe 20->40         started        43 cmd.exe 20->43         started        45 cmd.exe 20->45         started        75 zqamcx.com 78.110.166.82, 49720, 49721, 587 UKSERVERS-ASUKDedicatedServersHostingandCo-Location United Kingdom 23->75 93 Installs a global keyboard hook 23->93 95 Uses ipconfig to lookup or modify the Windows network settings 26->95 47 2 other processes 26->47 49 2 other processes 28->49 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->97 99 Tries to steal Mail credentials (via file / registry access) 30->99 101 Tries to harvest and steal ftp login credentials 30->101 103 Tries to harvest and steal browser information (history, passwords, etc) 30->103 51 2 other processes 32->51 53 2 other processes 34->53 55 4 other processes 36->55 57 4 other processes 38->57 signatures10 process11 signatures12 105 Creates multiple autostart registry keys 40->105 59 conhost.exe 43->59         started        61 ipconfig.exe 43->61         started        63 conhost.exe 45->63         started        65 ipconfig.exe 45->65         started        process13
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136/
Threat name:
Win32.Trojan.Acll
Create hunting rule
Status:
Malicious
First seen:
2024-06-19 00:38:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u4cyapjwvbj75isswacfdm4serpojvtptsbqo6gqehg67lzfee3a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
064e6440deca5aa58958beea42cb378043a967f3f6fb0a78cb0fad42da64ae68
AgentTesla
12a342b6a487518d9a0bd13adf3503b14b524d712351a48da4a3eea32ea24e40
AgentTesla
37c232d654467909a6f6ddcd25d59d81e0c8bb3b5873c8ee46f87d093bc10e8a
AgentTesla
8868ea6af3214fc758c93c1cb909231a76e22e718a4917aae5f2a60cf12af094
AgentTesla
dc183f57a0679eb92ef393479dea0df619ddce3ff94051c84f8f1dba7de31d22
AgentTesla
+ 126 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240619-qc7xbs1cje/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/41852bad-2b8d-48a0-a62f-54396acfa339
Unpacked files
SH256 hash:
a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136
MD5 hash:
08271ffa8f7e596d7fa17aa47226ef9d
SHA1 hash:
f5dcda432d515083a8536e07777c5748ca1f945d
Link:
https://www.unpac.me/results/f274cf36-4211-4652-83ee-1c7943ac6197/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a705803d36a8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe a705803d36a853fea252b00451b392245ee4d66f9c830778d021cdefaf252136

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high

Comments