MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4148e04db6adf5e00ac075bdca6c861761e857f2e3662254883f297a07eb212. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: c4148e04db6adf5e00ac075bdca6c861761e857f2e3662254883f297a07eb212
SHA3-384 hash: f84cc31d6b0c20c9cbf16cb841cf37ce19b8dd73ee24b9dbc636f3cc919428e235ef55f286b12fd0360e87dbc0f17d48
SHA1 hash: 39dec0a1f14b5b2c225f06c558c5f75a2ad3cd9f
MD5 hash: 7ac5272b8bc2eec707c1e9ed0445d8e1
humanhash: jig-cat-sodium-spaghetti
File name:New PO#33134.exe
Download: download sample
Signature AgentTesla
File size:950'784 bytes
First seen:2021-06-30 11:51:29 UTC
Last seen:2021-06-30 13:09:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:GQcJAekKM0lHqwHlqnHLBJim+bnVkYWg3U9/SJE2OcbzK3HGLpd3mEtIu3zqHmTW:+q4pllHlqnHLHim+bnVk7gpr9zK3H
Threatray 6'222 similar samples on MalwareBazaar
TLSH 08157CAC325035DEC467C6BACAA8AD74EA653C67531B8107509709DFAA0DB97CF201F3
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New PO#33134.exe
Verdict:
Malicious activity
Analysis date:
2021-06-30 11:54:25 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
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
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 442336 Sample: New PO#33134.exe Startdate: 30/06/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 10 other signatures 2->53 7 New PO#33134.exe 6 2->7         started        11 kprUEGC.exe 5 2->11         started        13 kprUEGC.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\...\sCVNTligXAg.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp6EDA.tmp, XML 7->33 dropped 35 C:\Users\user\...35ew PO#33134.exe.log, ASCII 7->35 dropped 55 Injects a PE file into a foreign processes 7->55 15 New PO#33134.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        21 New PO#33134.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 23 schtasks.exe 1 11->23         started        25 kprUEGC.exe 11->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 41 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 15->41 dropped 43 Modifies the hosts file 15->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->45 27 conhost.exe 19->27         started        29 conhost.exe 23->29         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-30 04:06:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
b04bb6ce72fdd67eefd914537a17ba6fa9e14ecd20463dc9fd0a4d1159831c7f
MD5 hash:
c6a5f01961c617d48984692d3a9d06b2
SHA1 hash:
8c32c28017440cec263f6dda36bbf440a13608f6
SH256 hash:
805156b1a95784c09c849ccf96e4ac502595ff2ab1bf83acfaa9e7dab977a830
MD5 hash:
e8917d705757d2ca717cedf3c3cc8477
SHA1 hash:
6a3f5ad6aeca55783380d8813028897b56fd8a79
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
c4148e04db6adf5e00ac075bdca6c861761e857f2e3662254883f297a07eb212
MD5 hash:
7ac5272b8bc2eec707c1e9ed0445d8e1
SHA1 hash:
39dec0a1f14b5b2c225f06c558c5f75a2ad3cd9f
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe c4148e04db6adf5e00ac075bdca6c861761e857f2e3662254883f297a07eb212

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments