MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82
SHA3-384 hash: fdc869cc562db62d05a4b55b90885cfd8374ce2f75cecceff0c6f45cf6f49e5abc5b970b74c3b593ffd94d4e92a2d97d
SHA1 hash: f9a9dc82a60b041457b5280fa09ef891a379e079
MD5 hash: cbb2add696989c174fc38c3782796f9b
humanhash: emma-colorado-black-fanta
File name:Transaction_receipt.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:938'496 bytes
First seen:2023-06-15 08:06:43 UTC
Last seen:2023-06-15 08:39:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 24576:D1wOV/NOanyyUBUwcBXwlBkYzZ7cyWwnL:D2OV/NOanyyU6NwrDzZQjm
Threatray 2'775 similar samples on MalwareBazaar
TLSH T160156B38D26D0AB3EE1977FC1A060C7AA2E81C26AA21DF495FCF71C65A38B445DC3543
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)
File icon (PE):PE icon
dhash icon d8e4e6ea8ac8fc8c (7 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Transaction_receipt.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-15 08:07:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7ae1a78f-c4a1-4c20-9230-19aa3bdb462f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/399079/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.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
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/648ac6a790acee489f78e6ab/reports/3e88961a-b377-49a0-b5d4-bc1c204516ba/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ad2b2156-cfa9-4383-b5e1-493c71048659
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1255131
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to register a low level keyboard hook
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 888149 Sample: Transaction_receipt.pdf.exe Startdate: 15/06/2023 Architecture: WINDOWS Score: 100 76 Snort IDS alert for network traffic 2->76 78 Found malware configuration 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 11 other signatures 2->82 7 Transaction_receipt.pdf.exe 7 2->7         started        11 mykksg.exe 2->11         started        13 DCLfYblnIkkYX.exe 5 2->13         started        15 mykksg.exe 2->15         started        process3 file4 54 C:\Users\user\AppData\...\DCLfYblnIkkYX.exe, PE32 7->54 dropped 56 C:\...\DCLfYblnIkkYX.exe:Zone.Identifier, ASCII 7->56 dropped 58 C:\Users\user\AppData\Local\...\tmpFA8F.tmp, XML 7->58 dropped 60 C:\Users\...\Transaction_receipt.pdf.exe.log, ASCII 7->60 dropped 94 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->94 96 May check the online IP address of the machine 7->96 98 Contains functionality to register a low level keyboard hook 7->98 106 2 other signatures 7->106 17 Transaction_receipt.pdf.exe 17 10 7->17         started        22 powershell.exe 21 7->22         started        34 2 other processes 7->34 100 Multi AV Scanner detection for dropped file 11->100 102 Machine Learning detection for dropped file 11->102 104 Injects a PE file into a foreign processes 11->104 24 mykksg.exe 11->24         started        36 2 other processes 11->36 26 DCLfYblnIkkYX.exe 13->26         started        28 schtasks.exe 13->28         started        30 mykksg.exe 15->30         started        32 schtasks.exe 15->32         started        signatures5 process6 dnsIp7 62 api4.ipify.org 173.231.16.76, 443, 49700 WEBNXUS United States 17->62 72 2 other IPs or domains 17->72 50 C:\Users\user\AppData\Roaming\...\mykksg.exe, PE32 17->50 dropped 52 C:\Users\user\...\mykksg.exe:Zone.Identifier, ASCII 17->52 dropped 84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->84 86 Tries to steal Mail credentials (via file / registry access) 17->86 88 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->88 38 conhost.exe 22->38         started        74 2 other IPs or domains 24->74 64 64.185.227.155, 443, 49701, 49705 WEBNXUS United States 26->64 66 api.ipify.org 26->66 90 Installs a global keyboard hook 26->90 40 conhost.exe 28->40         started        68 104.237.62.211, 443, 49707 WEBNXUS United States 30->68 70 api.ipify.org 30->70 92 Tries to harvest and steal browser information (history, passwords, etc) 30->92 42 conhost.exe 32->42         started        44 conhost.exe 34->44         started        46 conhost.exe 34->46         started        48 conhost.exe 36->48         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-06-12 16:40:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j6t6zzxxyodg5mwc522wyc4x6gzddl5prhghpjz73zsux4swvoba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
265239e9f3afc31425ff40cae955be249c0f2251437ed837a1c4567069fabce8
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58e573b3f5001e4f262f0f56cc08391390a10e9fedd7e46b054c3a6197991b32
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5d9023550ab2c666d9361bb72940be22b4304febbb93f21e4a93ea93748f33c8
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7c65de85148b948a8376a92b592cde38f7b736a02ab2f5eec5c5b54fe787cbfc
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aa23406d036894ae210e0531e6014c1377bdb409619cde6143e69d0a8dc7b85b
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b10acd083d1cf3feeddb56662116b26f583d5505f8c7f6a746c091a54895237f
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c075b97afc0e7ce2b05229c5694d3043efb3a62a07aa4d0a25d49f97709ac629
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e5abfba23ff6a7b7a2b51024addef4335a6046f13af844a912778e057e9dee45
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eb4b358d784a43733f3b307b562f7d3282cc07d94be7526cd8600bf8a4bee530
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eeb2bc1861ce16da1ce6bf7a28f19b6096454dd3f1133d3cc4f89e6eadf67dfa
AgentTesla
+ 2'765 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/230615-jzze5sfb73/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Looks up external IP address via web service
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5612460560:AAHyXkizBwpknHBFsEt3GDIwhLylabAVwjM/
Unpacked files
SH256 hash:
d5269e8d4259482858b347c9adbe9c91450a9bd03edf1678846f653c4e286da8
MD5 hash:
73cefca02af56ac1f74a30f290ed5c3f
SHA1 hash:
d24434fb714fc5ab5b15d5e27512b9a24a3f4554
Link:
https://www.unpac.me/results/dd2c207e-f5e9-4cb2-aed7-a6394a7a2419/
SH256 hash:
e6720928ea03235a4a2ae2183d8e82483eab11c5d77ec554ca3d85cc69d244b2
MD5 hash:
accfb066306c95fea0ed42dc99df1634
SHA1 hash:
62388a3475c431ab70037b54b4e86caf61bbb55c
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/dd2c207e-f5e9-4cb2-aed7-a6394a7a2419/
Parent samples :
4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82
e6720928ea03235a4a2ae2183d8e82483eab11c5d77ec554ca3d85cc69d244b2
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
Link:
https://www.unpac.me/results/dd2c207e-f5e9-4cb2-aed7-a6394a7a2419/
SH256 hash:
f8dbc6077f6b01c6eec334061d687ff1b291a2aa5513cf1e0b5bde4a8dbc5588
MD5 hash:
15aab611795bcbf2758052944013be1a
SHA1 hash:
772a1002b111e117cf3b1e9f0cabda4894777399
Link:
https://www.unpac.me/results/dd2c207e-f5e9-4cb2-aed7-a6394a7a2419/
SH256 hash:
ae72785a8ab68644779b71d54646e2d9f829434c0bfdb3991536207c230aa851
MD5 hash:
9368e70cc126b9b3fa88e60fe60ce7a4
SHA1 hash:
762951aa1b8d21e9629ec584105e2483280804cd
Link:
https://www.unpac.me/results/dd2c207e-f5e9-4cb2-aed7-a6394a7a2419/
SH256 hash:
4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82
MD5 hash:
cbb2add696989c174fc38c3782796f9b
SHA1 hash:
f9a9dc82a60b041457b5280fa09ef891a379e079
Link:
https://www.unpac.me/results/dd2c207e-f5e9-4cb2-aed7-a6394a7a2419/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fa7ece6f7c3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.87
Link:
https://yomi.yoroi.company/submissions/4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82

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: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 4fa7ece6f7c3866eb2c2eeb56c0b97f1b231afaf89cc77a73fde654bf256ab82

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/399079/

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