MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 337d449fb4debc0bd9f6862e065d8876d53f0a7d10c72cf56c9c5905daf45e9f. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 337d449fb4debc0bd9f6862e065d8876d53f0a7d10c72cf56c9c5905daf45e9f
SHA3-384 hash: 7141fe39ab3570994a8151b21c3a53a05e66811f532e0a1e0fc704c94d4684adfeb36976890f30930d71b954e209017a
SHA1 hash: 4f37411d05c5c82d89f1b3369c020ad016f11549
MD5 hash: 552ee990f830766f6927efcbc5f9b0d0
humanhash: fix-carpet-moon-fifteen
File name:PRE-ALERT SKLZ212352 SHANGHAI.exe
Download: download sample
Signature AgentTesla
File size:730'112 bytes
First seen:2023-06-01 13:06:20 UTC
Last seen:2023-06-01 14:55:40 UTC
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:vKEP/SJaVyR71/oy3YTMoIi4zTIVhGzZ03aDGs8fGmM:x/453DCMc4z0V0QaDGs0
Threatray 2'074 similar samples on MalwareBazaar
TLSH T15BF4013D33661E2FC51E2AFE090041B1CBF502329462D3DA1E9739DDADE8F685985B93
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0b2b26868b2b2f0 (8 x AgentTesla, 2 x Formbook, 1 x SnakeKeylogger)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
258
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PRE-ALERT SKLZ212352 SHANGHAI.exe
Verdict:
Malicious activity
Analysis date:
2023-06-01 13:09:23 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
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Launching a process
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
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)
Initial sample is a PE file and has a suspicious name
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 879551 Sample: Payment Advice.exe Startdate: 01/06/2023 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Antivirus / Scanner detection for submitted sample 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 8 other signatures 2->62 7 Payment Advice.exe 7 2->7         started        11 oLkqapPJ.exe 5 2->11         started        13 My App.exe 2->13         started        15 My App.exe 2->15         started        process3 file4 42 C:\Users\user\AppData\Roaming\oLkqapPJ.exe, PE32 7->42 dropped 44 C:\Users\...\oLkqapPJ.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp674E.tmp, XML 7->46 dropped 48 C:\Users\user\...\Payment Advice.exe.log, ASCII 7->48 dropped 72 Adds a directory exclusion to Windows Defender 7->72 17 RegSvcs.exe 17 4 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        74 Antivirus detection for dropped file 11->74 76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 26 schtasks.exe 1 11->26         started        28 RegSvcs.exe 2 11->28         started        30 conhost.exe 13->30         started        32 conhost.exe 15->32         started        signatures5 process6 dnsIp7 50 api4.ipify.org 173.231.16.76, 443, 49699 WEBNXUS United States 17->50 52 smtp.gmail.com 142.251.31.108, 49700, 587 GOOGLEUS United States 17->52 54 api.ipify.org 17->54 40 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->40 dropped 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->66 68 May check the online IP address of the machine 17->68 70 3 other signatures 17->70 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-01 01:10:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
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
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
3214ce6d699782a1bfcca1a5f01137de8c7d5c377d7a4208775f2ed8c2478304
MD5 hash:
bcee068cbec8334f277bcfe996548f6b
SHA1 hash:
f3d28a05ff6a88269df288ccc4a174822947a750
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
6a2214bd8562b8fa9644115d97328cad8cbfdf66fd22aff67e9a5ff9651c41dd
MD5 hash:
a1f811728a91255a142d03f5cf61429b
SHA1 hash:
76e3cd858388d6d04969212ce9804a671a62536b
SH256 hash:
cb4564980a4c3e920e75a79c3bd7a1e34a1d1b364d44735d18267eb61353b363
MD5 hash:
ea697fd8a586dd02bded9d19deb16bcf
SHA1 hash:
40dd2ee0551eaa5a3019353f04f98663aa9230a3
SH256 hash:
337d449fb4debc0bd9f6862e065d8876d53f0a7d10c72cf56c9c5905daf45e9f
MD5 hash:
552ee990f830766f6927efcbc5f9b0d0
SHA1 hash:
4f37411d05c5c82d89f1b3369c020ad016f11549
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.

  
Delivery method
Other

Comments