MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57901cf97d0ab4c57f8b4927c75bd8761182b5ddb80d09bb917aab71ae68d7c6. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 57901cf97d0ab4c57f8b4927c75bd8761182b5ddb80d09bb917aab71ae68d7c6
SHA3-384 hash: 94595d59c2dd50bc3b5b81342b40c213573f25aaab9f015d8292c92586b7266e766d08eb8c45cd47d38ebd66408e4a90
SHA1 hash: 7ccf56c9c48ffc911ac80ddf5240a42c99f83e33
MD5 hash: f2335865a426507b47ecf5e37dcae9a3
humanhash: ceiling-oscar-yankee-undress
File name:f2335865a426507b47ecf5e37dcae9a3.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:881'152 bytes
First seen:2022-12-23 17:44:15 UTC
Last seen:2022-12-23 19:30:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:EsFdELpCybniAU6cH80ru/71mnMOrYH1ocO:FFdELpCybniAU6Gu/71mndM1jO
TLSH T15415060FAABC9A10E5A1E1B50A474ED700A1F70617A5EBC8625FFD3270E86753724EC7
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 abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
f2335865a426507b47ecf5e37dcae9a3.exe
Verdict:
Malicious activity
Analysis date:
2022-12-23 17:46:44 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/f95c47f0-1d37-4783-aba8-85f09e1df4df

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.64474887.13008.9975.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63a5e922cd05a9f1899dac91/reports/207d62e2-8b29-4ad0-a2eb-98625e2c2e0d/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c9e81da3-04be-4255-842f-7556d069b426
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1140152
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 772885 Sample: x6VCkrP5ZA.exe Startdate: 23/12/2022 Architecture: WINDOWS Score: 100 35 Malicious sample detected (through community Yara rule) 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 Yara detected AgentTesla 2->39 41 6 other signatures 2->41 6 RMBJLaF.exe 3 2->6         started        9 x6VCkrP5ZA.exe 3 2->9         started        12 RMBJLaF.exe 2 2->12         started        process3 file4 43 Multi AV Scanner detection for dropped file 6->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->45 47 May check the online IP address of the machine 6->47 49 Machine Learning detection for dropped file 6->49 14 RMBJLaF.exe 14 3 6->14         started        25 C:\Users\user\AppData\...\x6VCkrP5ZA.exe.log, ASCII 9->25 dropped 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->51 18 x6VCkrP5ZA.exe 17 6 9->18         started        signatures5 process6 dnsIp7 27 api.ipify.org 14->27 53 Tries to harvest and steal ftp login credentials 14->53 55 Tries to harvest and steal browser information (history, passwords, etc) 14->55 29 api4.ipify.org 64.185.227.156, 443, 49695, 49697 WEBNXUS United States 18->29 31 server323.web-hosting.com 67.223.118.45, 25, 49696, 49698 VIMRO-AS15189US United States 18->31 33 api.ipify.org 18->33 21 C:\Users\user\AppData\Roaming\...\RMBJLaF.exe, PE32 18->21 dropped 23 C:\Users\user\...\RMBJLaF.exe:Zone.Identifier, ASCII 18->23 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->57 59 Tries to steal Mail credentials (via file / registry access) 18->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->61 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57901cf97d0ab4c57f8b4927c75bd8761182b5ddb80d09bb917aab71ae68d7c6/
Threat name:
ByteCode-MSIL.Infostealer.DarkStealer
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Status:
Malicious
First seen:
2022-12-23 06:17:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 39 (48.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k6ibz6l5bk2mk74ljet4ow6yoyiyfno5xagqto4rpkvxdlti27da._file
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/221223-wbqvbaca8w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
Link:
https://www.unpac.me/results/cb1c7f11-661d-4e22-8c3e-4674494c46ab/
SH256 hash:
9032031189d1b15605115cb6056d3473b12672511f83be663e35ab68afd5d515
MD5 hash:
459b8f75335caf809f338a2ba33844ce
SHA1 hash:
e90cd14fbfc7abcee067f088078cb4ca33fa14cd
Link:
https://www.unpac.me/results/cb1c7f11-661d-4e22-8c3e-4674494c46ab/
SH256 hash:
1c3149276cb398f22064a47b1b03e8a854997e60b4d88b48a9ad227e45e0e916
MD5 hash:
381696c8ce4d4ace7317daf273fdd09a
SHA1 hash:
68c66708b71d67872776ce111ebcbdb4cac74009
Link:
https://www.unpac.me/results/cb1c7f11-661d-4e22-8c3e-4674494c46ab/
SH256 hash:
253293fcf71436d201d6c4d9a63279a7be181ae25ac800d338a85bd7b7ecd622
MD5 hash:
20c05cdaab42f3e6b2888624215c3691
SHA1 hash:
56d2b3d93427545279742ded416101bfe0b20878
Link:
https://www.unpac.me/results/cb1c7f11-661d-4e22-8c3e-4674494c46ab/
SH256 hash:
15871eeef0c35b06c2f456d674f7d3eb256f4bd61b2f474de26962555c6a8021
MD5 hash:
1a9e9ccee7d673565b701b3dce9353f7
SHA1 hash:
20ff5d023221787bd478d6614e3d8dbb8444d3a0
Link:
https://www.unpac.me/results/cb1c7f11-661d-4e22-8c3e-4674494c46ab/
SH256 hash:
57901cf97d0ab4c57f8b4927c75bd8761182b5ddb80d09bb917aab71ae68d7c6
MD5 hash:
f2335865a426507b47ecf5e37dcae9a3
SHA1 hash:
7ccf56c9c48ffc911ac80ddf5240a42c99f83e33
Link:
https://www.unpac.me/results/cb1c7f11-661d-4e22-8c3e-4674494c46ab/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57901cf97d0a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/57901cf97d0ab4c57f8b4927c75bd8761182b5ddb80d09bb917aab71ae68d7c6

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AgentTesla

Executable exe 57901cf97d0ab4c57f8b4927c75bd8761182b5ddb80d09bb917aab71ae68d7c6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2474207/
  
Delivery method
Distributed via web download

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