MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48640541d98ded5a850e2c281cd551eea3598502ab725bfa2ac4ce5f7846b3ed. 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 14 File information Comments

SHA256 hash: 48640541d98ded5a850e2c281cd551eea3598502ab725bfa2ac4ce5f7846b3ed
SHA3-384 hash: e022f284e5cae0e7ee7ec15ac1b85043d81d193aadccad70fb80c679c398f9229db0747d9e83c5ccb40b8a5874386fc5
SHA1 hash: 5287bc48966e4327b43cabf31bff7babf5a0056f
MD5 hash: edec3be8c24bfcf948654e2b58674a40
humanhash: minnesota-wolfram-angel-carbon
File name:Fiyat Teklifi _KIPASKAGIT HPT23031910_0523 2023935164- .exe
Download: download sample
Signature AgentTesla
File size:669'184 bytes
First seen:2023-12-13 12:38:05 UTC
Last seen:2023-12-13 14:19:30 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 12288:PEfbIKGy+YYUBYf5YrWKjg2ZZUsl08ve3TNub5ABRjwWj4uWxSDkTF5GsmZze/J3:awYnCfVWg2Qsl08G3hubYmcPISDns8K3
Threatray 3'697 similar samples on MalwareBazaar
TLSH T177E423641745DA23C0EA2A789971891347715E034607D38B18BDF0AE9BB37881FF2EDB
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 210c17330f231786 (6 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe geo TUR


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.atasoygumrukleme.com:587

Intelligence


File Origin
# of uploads :
3
# of downloads :
303
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Fiyat Teklifi _KIPASKAGIT HPT23031910_0523 2023935164- .exe
Verdict:
Malicious activity
Analysis date:
2023-12-13 12:53:27 UTC
Tags:
agenttesla stealer

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
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
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1361389 Sample: Fiyat_Teklifi__KIPASKAGIT_H... Startdate: 13/12/2023 Architecture: WINDOWS Score: 100 32 mail.atasoygumrukleme.com 2->32 34 atasoygumrukleme.com 2->34 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 6 other signatures 2->52 8 Fiyat_Teklifi__KIPASKAGIT_HPT23031910_0523_2023935164-_.exe 4 2->8         started        11 ctsdvwT.exe 3 2->11         started        13 ctsdvwT.exe 2 2->13         started        signatures3 process4 signatures5 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->54 56 Adds a directory exclusion to Windows Defender 8->56 15 Fiyat_Teklifi__KIPASKAGIT_HPT23031910_0523_2023935164-_.exe 1 5 8->15         started        20 powershell.exe 22 8->20         started        58 Machine Learning detection for dropped file 11->58 22 ctsdvwT.exe 2 11->22         started        24 ctsdvwT.exe 13->24         started        process6 dnsIp7 36 atasoygumrukleme.com 94.199.206.56, 49735, 49736, 587 AEROTEK-ASTR Turkey 15->36 28 C:\Users\user\AppData\Roaming\...\ctsdvwT.exe, PE32 15->28 dropped 30 C:\Users\user\...\ctsdvwT.exe:Zone.Identifier, ASCII 15->30 dropped 38 Tries to steal Mail credentials (via file / registry access) 15->38 40 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->40 42 Installs a global keyboard hook 15->42 26 conhost.exe 20->26         started        44 Tries to harvest and steal browser information (history, passwords, etc) 24->44 file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-13 12:39:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
14 of 22 (63.64%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
10d4512a18d5b45d12fac8c8251cf118c3995d100143b028a4a2c2a1f1509ed6
MD5 hash:
83aed7bd91c014c7ae3b23958b4dee7f
SHA1 hash:
fdd58dd8655c0ea2f600dcc8b67771eeae43e365
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
3a4c88327aef20c467f0a706a7b75df3347323919ef2022a6b3905a811a0ba47
MD5 hash:
3cdb334aec781665130114bd7a74a8e8
SHA1 hash:
521a651fde1d54551c742daf8fbcd59070b54694
Detections:
AgentTesla win_agent_tesla_g2 INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Agenttesla_type2 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
SH256 hash:
48640541d98ded5a850e2c281cd551eea3598502ab725bfa2ac4ce5f7846b3ed
MD5 hash:
edec3be8c24bfcf948654e2b58674a40
SHA1 hash:
5287bc48966e4327b43cabf31bff7babf5a0056f
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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

File information


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

Malspam

AgentTesla

Executable exe 48640541d98ded5a850e2c281cd551eea3598502ab725bfa2ac4ce5f7846b3ed

(this sample)

  
Delivery method
Distributed via e-mail attachment

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