MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1b51101740c9c69a80633b946d8666c30078a9ae856ff54c82042de110db8d5. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1b51101740c9c69a80633b946d8666c30078a9ae856ff54c82042de110db8d5
SHA3-384 hash: 58da06b5ceb5b0f4fc365f1c64119de57d666283f5f7c6970c96c63c2fcfb5aac31e6829483e51420365d11d32ceea81
SHA1 hash: e8f4ef938c698125839fe2fd1614b988f3de2ce8
MD5 hash: 6b40e9188344c78891312e52c5b9ae48
humanhash: network-pizza-delta-angel
File name:debit note pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:740'352 bytes
First seen:2023-09-05 13:42:48 UTC
Last seen:2023-09-10 06:15:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:+3aNif7ZVy9/XvV76W896zupZPMs7VA0rg2eXcC0/HSL/jDHUUIgQ4V:zNif7ZVS/X97A9DrPzu2Dpz/uUUIgQ4V
Threatray 1'217 similar samples on MalwareBazaar
TLSH T1B1F4015A7BE8872EDD2C737DF0314225CBB8DC093026E35A8B88A91A3ED7751D5059E3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6c6868686aaac8e4 (9 x AgentTesla, 2 x SnakeKeylogger, 2 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
275
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
debit note pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-09-05 13:45:01 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/fc3ffb95-f097-4004-a7e1-845d93a3d744

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/446358/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
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
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64f73067c95366b9efff9055/reports/46d5ca1a-10cb-490e-a0d4-cbe4a878f2bd/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b1b51101740c9c69a80633b946d8666c30078a9ae856ff54c82042de110db8d5
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/29e249e8-3e9f-4009-9b5d-a961f708be92
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1303585
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1303585 Sample: debit_note_pdf.exe Startdate: 05/09/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Found malware configuration 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 8 other signatures 2->62 7 debit_note_pdf.exe 7 2->7         started        11 AePUCkhbS.exe 5 2->11         started        13 RdYoK.exe 2->13         started        15 RdYoK.exe 2->15         started        process3 file4 48 C:\Users\user\AppData\Roaming\AePUCkhbS.exe, PE32 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmp4715.tmp, XML 7->50 dropped 74 Uses schtasks.exe or at.exe to add and modify task schedules 7->74 76 Writes to foreign memory regions 7->76 78 Allocates memory in foreign processes 7->78 80 Adds a directory exclusion to Windows Defender 7->80 17 RegSvcs.exe 2 4 7->17         started        22 powershell.exe 21 7->22         started        24 powershell.exe 21 7->24         started        26 schtasks.exe 1 7->26         started        82 Multi AV Scanner detection for dropped file 11->82 84 Machine Learning detection for dropped file 11->84 86 Injects a PE file into a foreign processes 11->86 28 RegSvcs.exe 11->28         started        30 schtasks.exe 11->30         started        32 RegSvcs.exe 11->32         started        34 conhost.exe 13->34         started        36 conhost.exe 15->36         started        signatures5 process6 dnsIp7 52 mail.vpindustries.co.in 103.53.42.223, 49722, 49723, 587 PUBLIC-DOMAIN-REGISTRYUS India 17->52 46 C:\Users\user\AppData\Roaming\...\RdYoK.exe, PE32 17->46 dropped 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->66 68 Tries to steal Mail credentials (via file / registry access) 17->68 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        54 192.168.2.1 unknown unknown 28->54 70 Tries to harvest and steal browser information (history, passwords, etc) 28->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->72 44 conhost.exe 30->44         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1b51101740c9c69a80633b946d8666c30078a9ae856ff54c82042de110db8d5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-04 06:10:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wg2rcalubsogtkaggo4unwdgnqyapcu25blp6vgiebbn4einxdkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
35ffe1b77f2462e8ea815fdbb87213d0233228cd34778f9b4576bd7c64e8b9a8
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3ccdf1603e94bd0f3666122adf6eb7b1773d67e742cdbb2292423c8c7dccdf5d
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3ddec3ab46e7ca876406d4cb1d8ec393d6220a1f21366118e4d50d2939a8713a
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78f25ecc4d28fec2c11b821ec4a8b4a6f5cfb7ab7dde361c0a9d632b40c65a4a
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94226a0ad856af28b1f244eb04e363f95d9f0a7777e242606c61e8928529a6fd
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95b4104ced9d11a7f6b53221793f7560f9161c163c5236a44ef0da3ad24093f6
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cc2556dc4dd2e1f164c1919338bd557f16b157a1ec0cce9d27f16698f64c6ec0
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e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea
AgentTesla
+ 1'207 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230905-qz83xaff9v/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
342a1c58735a0b7bb5c43d41465821e9747f5c11b708cf9712511af475d18d07
MD5 hash:
8271d8ed028778b0b560add4bb06487e
SHA1 hash:
a8cbe68147eda020cbd5b5e03cc0ca545ddaf638
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/ff185ef6-bc6d-441b-ac13-d35b346d4f77/
Parent samples :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 hash:
753a6e651e685cad01599a556a1a9e16ee4c371a99737d4febb4168e6ccabeaf
MD5 hash:
bc51dce6a072086e743055a1fda7cc3f
SHA1 hash:
a68f8b4a812236907a2076507636e23f99e7bb88
Link:
https://www.unpac.me/results/ff185ef6-bc6d-441b-ac13-d35b346d4f77/
SH256 hash:
0e105b75b8d49cf6129af774e9d7e37ac315e6e90d2911d3cc583854482a9e95
MD5 hash:
ac144e03b94b8bbcfa4d8f0d8f8d0dd7
SHA1 hash:
1e955889309d8a230a4ae4779cf6f839ef5f520a
Link:
https://www.unpac.me/results/ff185ef6-bc6d-441b-ac13-d35b346d4f77/
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/ff185ef6-bc6d-441b-ac13-d35b346d4f77/
SH256 hash:
b1b51101740c9c69a80633b946d8666c30078a9ae856ff54c82042de110db8d5
MD5 hash:
6b40e9188344c78891312e52c5b9ae48
SHA1 hash:
e8f4ef938c698125839fe2fd1614b988f3de2ce8
Link:
https://www.unpac.me/results/ff185ef6-bc6d-441b-ac13-d35b346d4f77/
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/b1b51101740c9c69a80633b946d8666c30078a9ae856ff54c82042de110db8d5

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:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/446358/

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