MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 598ebcfd70979792ac2c51a66868540c1b55883a325ea593e8195fe56b5da563. 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 7 File information Comments

SHA256 hash: 598ebcfd70979792ac2c51a66868540c1b55883a325ea593e8195fe56b5da563
SHA3-384 hash: fa03bcf1bbb7a473715613188e6a796fe714ab5afcae77cd46dbba62c83ccdba8e8afa704670a62c040ec7fcd5d3c3d9
SHA1 hash: 257f0af5913988e5374141cca42d7c054fbea2bb
MD5 hash: bce591d34f951021d649f655106c1724
humanhash: lactose-dakota-oranges-robin
File name:Repeat Order Confirmation.exe
Download: download sample
Signature AgentTesla
File size:547'840 bytes
First seen:2023-07-25 10:48:50 UTC
Last seen:2023-07-25 11:41:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:gqTrQaSejL8ZzhcfTm48ngk0Sgm05kQoiHld9BUOuPdxZu5T9h6nL:gqTrQaSejL8Zi/cgmAk4HlnuOuA5T9Y
Threatray 5'266 similar samples on MalwareBazaar
TLSH T153C4CF38103C87AFEB87DB76E434129222F013A66AF297DCCC7A605F7E75138A1546B5
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 adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
273
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Repeat Order Confirmation.exe
Verdict:
Malicious activity
Analysis date:
2023-07-25 10:49:26 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Restart of the analyzed sample
Gathering data
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
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
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279058 Sample: Repeat_Order_Confirmation.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 Yara detected AgentTesla 2->59 61 4 other signatures 2->61 6 Repeat_Order_Confirmation.exe 3 2->6         started        10 ECbAt.exe 3 2->10         started        12 ECbAt.exe 2 2->12         started        process3 file4 25 C:\...\Repeat_Order_Confirmation.exe.log, ASCII 6->25 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->63 65 May check the online IP address of the machine 6->65 67 Injects a PE file into a foreign processes 6->67 14 Repeat_Order_Confirmation.exe 17 5 6->14         started        69 Multi AV Scanner detection for dropped file 10->69 71 Machine Learning detection for dropped file 10->71 19 ECbAt.exe 14 2 10->19         started        21 ECbAt.exe 2 12->21         started        23 ECbAt.exe 12->23         started        signatures5 process6 dnsIp7 31 mail.synergetica.com 66.84.31.13, 49680, 49682, 49685 AS17054US United States 14->31 33 api4.ipify.org 173.231.16.76, 443, 49679 WEBNXUS United States 14->33 35 api.ipify.org 14->35 27 C:\Users\user\AppData\Roaming\...CbAt.exe, PE32 14->27 dropped 29 C:\Users\user\...CbAt.exe:Zone.Identifier, ASCII 14->29 dropped 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->45 47 Tries to steal Mail credentials (via file / registry access) 14->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->49 37 104.237.62.211, 443, 49681 WEBNXUS United States 19->37 39 api.ipify.org 19->39 41 64.185.227.156, 443, 49683 WEBNXUS United States 21->41 43 api.ipify.org 21->43 51 Tries to harvest and steal browser information (history, passwords, etc) 21->51 53 Installs a global keyboard hook 21->53 file8 signatures9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-07-17 08:24:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 23 (82.61%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
a8ba8c98c5758c3a88678e63a9192758900a07431dd8bed7733e07105a1295e3
MD5 hash:
63b6ae24cd94a8d293a6d8dec30e5ac8
SHA1 hash:
fcfdc2ab092422f3235e2fa670db95d0959aada2
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
SH256 hash:
08543dd3e63578866810acca4ac7b8f771eda6dd581054c7649062efae8ce24b
MD5 hash:
7583dcca5a817fda0d04792399c5c789
SHA1 hash:
8b0c0a74998ec77941cb0fd1103ccb16e42f0d8c
Detections:
AgentTeslaXorStringsNet
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
598ebcfd70979792ac2c51a66868540c1b55883a325ea593e8195fe56b5da563
MD5 hash:
bce591d34f951021d649f655106c1724
SHA1 hash:
257f0af5913988e5374141cca42d7c054fbea2bb
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV4
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 598ebcfd70979792ac2c51a66868540c1b55883a325ea593e8195fe56b5da563

(this sample)

  
Delivery method
Distributed via e-mail attachment

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