MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
SHA3-384 hash: 5b33f14f54bcb9b0abf41d65a76c172ce1bb9b972b187646c5089561431643c5451df7634ae9d3f73b6cdefc2993bc41
SHA1 hash: 061befc3ad783a590cb6e408062f8b2291c7b12f
MD5 hash: 5b61637836afea5019078c8841f39712
humanhash: two-kitten-massachusetts-stairway
File name:invoice for payment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:716'800 bytes
First seen:2023-11-06 14:15:34 UTC
Last seen:2023-11-06 16:13:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 12288:vwgJjWP9lZtDKIcXY4mnTwwlJk15TsVuhk37F1VoKc8XUbsS:PkDDKIcSEwEQVu237VoKc8X+
Threatray 1'005 similar samples on MalwareBazaar
TLSH T188E47B3D1AAE162BC5B9C3B58FC19127FD64A5673151AD68A8C707AAC346F033DC027E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
327
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
invoice for payment.exe
Verdict:
Malicious activity
Analysis date:
2023-11-06 17:10:02 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/aab16fb4-243e-44f1-a59d-d9a2a1edd3cf

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/458259/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6548f52b3dd412119bee6d2b/reports/60430b5e-49a3-4429-a493-c80c302d224b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
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/6b800147-36f9-48f1-b71c-79dad2d4f81e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1337678
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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: 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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1337678 Sample: invoice_for_payment.exe Startdate: 06/11/2023 Architecture: WINDOWS Score: 100 57 us2.smtp.mailhostbox.com 2->57 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 15 other signatures 2->67 8 invoice_for_payment.exe 7 2->8         started        12 PkhbHYvHHp.exe 5 2->12         started        14 Micosoft Excel 2023.exe 2->14         started        16 Micosoft Excel 2023.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\AppData\...\PkhbHYvHHp.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmpFE2F.tmp, XML 8->55 dropped 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Adds a directory exclusion to Windows Defender 8->81 18 invoice_for_payment.exe 1 5 8->18         started        23 powershell.exe 23 8->23         started        37 3 other processes 8->37 83 Antivirus detection for dropped file 12->83 85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 25 PkhbHYvHHp.exe 4 12->25         started        27 schtasks.exe 1 12->27         started        29 Micosoft Excel 2023.exe 14->29         started        31 schtasks.exe 14->31         started        33 Micosoft Excel 2023.exe 16->33         started        35 schtasks.exe 16->35         started        signatures6 process7 dnsIp8 59 us2.smtp.mailhostbox.com 208.91.198.143, 49707, 49709, 49712 PUBLIC-DOMAIN-REGISTRYUS United States 18->59 49 C:\Users\user\...\Micosoft Excel 2023.exe, PE32 18->49 dropped 51 Micosoft Excel 2023.exe:Zone.Identifier, ASCII 18->51 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Tries to steal Mail credentials (via file / registry access) 18->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->73 39 conhost.exe 23->39         started        41 conhost.exe 27->41         started        75 Tries to harvest and steal browser information (history, passwords, etc) 29->75 43 conhost.exe 31->43         started        45 conhost.exe 35->45         started        47 conhost.exe 37->47         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757/
Threat name:
ByteCode-MSIL.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-05 09:01:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r47ntsdhk7m23l2ittugy2weeisav5eplqijqb5tdm3ennt5s5lq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
19d5668c176fd17ee00ab03bc0e122a54baee90f6c00ddefc40faa6ee762b9b1
AgentTesla
4dc3b04f10fee9d92b2c9fef777679ceba76b7a02b4bba3097480f8d4dab0d4b
AgentTesla
50b88683802c5f014b997ad7f1599837263ca270afd5e5dafe84e3e96da289d3
AgentTesla
566a9b82252b4402d80e3cf288a9ff19648b2f856c385c1ec9ea13041ad5787d
AgentTesla
8e8634064bf0a00aa6e156e7e5fc15a4e8521c9654eac9395c7df919ff22df33
AgentTesla
+ 995 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/231106-rk5bvadc72/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
1b5fa284bcb35593eed8399a65520f8c29e749e4fc76c7463e3ed417377551c0
MD5 hash:
aedc23bb5e6e74070453eb7e8c05e665
SHA1 hash:
f3c6faff93029135596de698ce7526711433dac2
Link:
https://www.unpac.me/results/b5343453-d37b-4df0-809b-94d21df1e750/
SH256 hash:
1eb2f9edd6cf74e7c420e6c0957d1ead0fedfa320401483dd80e379b671a3608
MD5 hash:
0801a762803600263207045a8a8b3d2d
SHA1 hash:
ef62b904f48342d987e7567b40e4b41c710056ca
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/b5343453-d37b-4df0-809b-94d21df1e750/
Parent samples :
6b8476099cdf92b90b82392b9dc046dddde46bf694e1e802d6788de91ef0f32e
8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
e9c61a893b569c4af984f03b39ae1e0850dff66cc9ce743156a0612021ba2cf7
8ede64e834f493899b7f4aeef6dec25275f4eff15967c7eb11ef667479cff948
3abc55d444c9f395cbfb42fdeded0fd6947de482fbb4fb40da2b328aad7bd194
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/b5343453-d37b-4df0-809b-94d21df1e750/
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
Link:
https://www.unpac.me/results/b5343453-d37b-4df0-809b-94d21df1e750/
SH256 hash:
8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
MD5 hash:
5b61637836afea5019078c8841f39712
SHA1 hash:
061befc3ad783a590cb6e408062f8b2291c7b12f
Link:
https://www.unpac.me/results/b5343453-d37b-4df0-809b-94d21df1e750/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f3ed9c86757/report/overview.html
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/8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/458259/

Comments