MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 49bc579c76fbe3797d8ef0defec51d64087fabc11dab7f537042164c45c33846. 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 2 File information Comments

SHA256 hash: 49bc579c76fbe3797d8ef0defec51d64087fabc11dab7f537042164c45c33846
SHA3-384 hash: b69255ffea1e5027f255e94db455aac04ba6393e17e84fd74943837dc15c32ece8c7e2a2298624873cafb9c406e7dea2
SHA1 hash: f0b641ab870129882954d837ac61c6480e8bc8ef
MD5 hash: 99eb4bf2e02cfcd0a50760ab0d6089d4
humanhash: cold-november-may-mockingbird
File name:swift copy.exe
Download: download sample
Signature AgentTesla
File size:782'336 bytes
First seen:2023-06-16 13:43:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:m5o+pa26Y0Li2MT5ItXknk+AbRx4W67f/zLGBSAVnPEXqXdVu5:Ko+pSYa7Bynk+AHo/KhP4qXdVu5
Threatray 2'850 similar samples on MalwareBazaar
TLSH T192F4020876DD9833C6FA0BF5D44111B193F3A06AB246E3C66D4F78E9A6D2F8C0D95683
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 threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
311
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
swift copy.exe
Verdict:
Malicious activity
Analysis date:
2023-06-16 13:44:44 UTC
Tags:
n/a

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
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
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 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 889097 Sample: swift_copy.exe Startdate: 16/06/2023 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Found malware configuration 2->74 76 Antivirus / Scanner detection for submitted sample 2->76 78 8 other signatures 2->78 7 swift_copy.exe 7 2->7         started        11 cVIVlTau.exe 5 2->11         started        13 zfftgT.exe 2->13         started        15 zfftgT.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\cVIVlTau.exe, PE32 7->52 dropped 54 C:\Users\...\cVIVlTau.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\Temp\tmpA06.tmp, XML 7->56 dropped 58 C:\Users\user\AppData\...\swift_copy.exe.log, ASCII 7->58 dropped 88 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->88 90 May check the online IP address of the machine 7->90 92 Uses schtasks.exe or at.exe to add and modify task schedules 7->92 94 Adds a directory exclusion to Windows Defender 7->94 17 swift_copy.exe 10 7->17         started        22 powershell.exe 21 7->22         started        24 powershell.exe 20 7->24         started        34 2 other processes 7->34 96 Antivirus detection for dropped file 11->96 98 Multi AV Scanner detection for dropped file 11->98 100 Machine Learning detection for dropped file 11->100 26 cVIVlTau.exe 11->26         started        28 schtasks.exe 11->28         started        36 2 other processes 11->36 102 Injects a PE file into a foreign processes 13->102 30 zfftgT.exe 13->30         started        32 schtasks.exe 13->32         started        signatures5 process6 dnsIp7 60 api4.ipify.org 173.231.16.76, 443, 49692, 49698 WEBNXUS United States 17->60 62 api.telegram.org 149.154.167.220, 443, 49696, 49697 TELEGRAMRU United Kingdom 17->62 70 2 other IPs or domains 17->70 48 C:\Users\user\AppData\Roaming\...\zfftgT.exe, PE32 17->48 dropped 50 C:\Users\user\...\zfftgT.exe:Zone.Identifier, ASCII 17->50 dropped 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->80 82 Tries to steal Mail credentials (via file / registry access) 17->82 84 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->84 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        64 api.ipify.org 26->64 42 conhost.exe 28->42         started        66 64.185.227.155, 443, 49699 WEBNXUS United States 30->66 68 api.ipify.org 30->68 86 Tries to harvest and steal browser information (history, passwords, etc) 30->86 44 conhost.exe 32->44         started        46 conhost.exe 34->46         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-14 08:31:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Adds Run key to start application
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/bot6118510930:AAGLmjz14DOBPW-OuVj-xMJhmBoGJAqv5to/
Unpacked files
SH256 hash:
1431cb20c65d40c037e1882b432e57e5d8b195acec9b67e643dc59bdff80dda7
MD5 hash:
c2d7e26c7f8e98010e90c72fc9e2e057
SHA1 hash:
ecbe2e8dbb73710524daf25b7a348f77dc5e478e
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
d6d27ed1939b8527bfaab77b5cda589e3cdc842639958f7b4b63aed35ac7a7ab
MD5 hash:
72b601a1609673f221ca537200e6f074
SHA1 hash:
9bd391169223d5d967cbda11e237b68204cb8511
SH256 hash:
1644861b3ac3bc8586dc444bdf60ecb653f6b38704be9b58d5deeff599232015
MD5 hash:
3561653112ed495e136d2b1b5329691d
SHA1 hash:
65c90d625b9455057b43c78c5cb05f79c9a7a961
SH256 hash:
49bc579c76fbe3797d8ef0defec51d64087fabc11dab7f537042164c45c33846
MD5 hash:
99eb4bf2e02cfcd0a50760ab0d6089d4
SHA1 hash:
f0b641ab870129882954d837ac61c6480e8bc8ef
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: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 49bc579c76fbe3797d8ef0defec51d64087fabc11dab7f537042164c45c33846

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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