MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5492a2e8a3516bb11e940265f77042f9a2fefdb282f54665b46aff69b6fa22f4. 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 10 File information Comments

SHA256 hash: 5492a2e8a3516bb11e940265f77042f9a2fefdb282f54665b46aff69b6fa22f4
SHA3-384 hash: 35223c2c544b5a93c3db83ecd4e2e135bb5d8d1b65bac31b0e087bc0cd895e2e7455991d488beda45de546c410a2bc1d
SHA1 hash: 320e482f35657671dc14f40a9b64fadcd46e944a
MD5 hash: 769c25a9119112b6f5dbe978e44dfa3c
humanhash: one-speaker-five-spring
File name:SecuriteInfo.com.MSIL.Kryptik.XSWP.tr.32494.719
Download: download sample
Signature AgentTesla
File size:559'104 bytes
First seen:2023-11-21 00:32:14 UTC
Last seen:2023-11-21 14:04:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:xH/ICtJaOd9nulUEY2UhktPAXLRJaOYXGjgSg9:yKEOd9nOUETwVJZjD4
TLSH T13FC4231DE3E8D72BCCDD0B716816672117B993E19817AB272EC661ED1D332F80048A7E
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 3000f07171b04430 (8 x AgentTesla, 1 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.MSIL.Kryptik.XSWP.tr.32494.719
Verdict:
Malicious activity
Analysis date:
2023-11-21 00:35:06 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
Sending a custom TCP request
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
DNS request
Reading critical registry keys
Sending an HTTP GET request
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
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
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1345527 Sample: SecuriteInfo.com.MSIL.Krypt... Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 36 mail.elec-qatar.com 2->36 38 api4.ipify.org 2->38 40 api.ipify.org 2->40 46 Found malware configuration 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 8 SecuriteInfo.com.MSIL.Kryptik.XSWP.tr.32494.719.exe 7 2->8         started        12 gftzRYKDOZrLxk.exe 5 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\gftzRYKDOZrLxk.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\...\tmpE76D.tmp, XML 8->34 dropped 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 14 SecuriteInfo.com.MSIL.Kryptik.XSWP.tr.32494.719.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 22 gftzRYKDOZrLxk.exe 14 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 mail.elec-qatar.com 50.87.139.143, 49712, 49716, 587 UNIFIEDLAYER-AS-1US United States 14->42 44 api4.ipify.org 173.231.16.77, 443, 49710, 49714 WEBNXUS United States 14->44 66 Installs a global keyboard hook 14->66 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 30 conhost.exe 24->30         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-20 23:03:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
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
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
Unpacked files
SH256 hash:
3fc435481d7ef0079bdad4dd86185e61a5092a5df4a3e17a75266cf283effaa1
MD5 hash:
ead80ad88662af6f37f0c49fe6e3fb44
SHA1 hash:
dbeb4019c7337347d1c6d0913c9249021cafd849
SH256 hash:
c04082595e4d6ab913e5ab9f1ddebb3140fccd6e6e2ff24aa84571367afa718f
MD5 hash:
605604e956d77ee0a99cdf899749dde9
SHA1 hash:
82bcce695c132ab4ac7f139a4039b265b8d8dfc4
SH256 hash:
e6d5de26b60438f6286331b0fd3ff64b9368048d144255db589736da99de7523
MD5 hash:
e2e90cdf7317a586a23a8ef6d262e9db
SHA1 hash:
7fe0251561ea267b4929fd17325d7c33bf6e3293
Detections:
AgentTeslaXorStringsNet MSIL_SUSP_OBFUSC_XorStringsNet INDICATOR_EXE_Packed_GEN01
SH256 hash:
5765a18ca2a0c1112e2f6ecbe2a8f99187ad7010e0ab3a4cca9b8f14f14f3daa
MD5 hash:
b81808abf89483e75b4bcd278ed7d66e
SHA1 hash:
01f17c6acc31c9811f2f674d2a908fab8ae6d3fd
SH256 hash:
5492a2e8a3516bb11e940265f77042f9a2fefdb282f54665b46aff69b6fa22f4
MD5 hash:
769c25a9119112b6f5dbe978e44dfa3c
SHA1 hash:
320e482f35657671dc14f40a9b64fadcd46e944a
Malware family:
AgentTesla.v4
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:kevoreilly
Description:AgentTesla Payload
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_a2d69e48
Author:Elastic Security

File information


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

Malspam

AgentTesla

Executable exe 5492a2e8a3516bb11e940265f77042f9a2fefdb282f54665b46aff69b6fa22f4

(this sample)

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