MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d61623b9915cd46b51b99358c8d7fcbff16d1fed253dfba5372ffc7300f2577f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: d61623b9915cd46b51b99358c8d7fcbff16d1fed253dfba5372ffc7300f2577f
SHA3-384 hash: eaf0a0930b4ac987a603f5bbc508d0ef1a6cc4dadef33fe6fc4db297f6b0964ce4f8d7a29601429feaaa72df603c986b
SHA1 hash: d997d6c1837bcccdaac34618f5d118a629aa4c93
MD5 hash: 6f0e8998a1409c4d3b2cc5f1e5919b13
humanhash: cola-magazine-cola-fourteen
File name:facturas.exe
Download: download sample
Signature AgentTesla
File size:423'936 bytes
First seen:2022-01-11 12:07:55 UTC
Last seen:2022-01-11 12:18:53 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 6144:tLyrDHiVa6TUE6ULxT42sZcJqYQcgmExW+jMjuDV6oz1eDIAjIjVaSEImD7hrzi4:wPkas/42PE1MKDVR1G04Sc7hqBcL
TLSH T13B942216F7FA6321C05B93F6D8BA125093B0C315BA11EB4C1EC162E84D77B40E792DAE
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
facturas.exe
Verdict:
Malicious activity
Analysis date:
2022-01-11 12:12:33 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
DNS request
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 from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
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)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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: 550781 Sample: facturas.exe Startdate: 11/01/2022 Architecture: WINDOWS Score: 100 29 mail.mincro.es 2->29 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 7 other signatures 2->37 8 facturas.exe 7 2->8         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\VLChRBFYkfojU.exe, PE32 8->23 dropped 25 C:\Users\user\AppData\Local\...\tmpFD47.tmp, XML 8->25 dropped 27 C:\Users\user\AppData\...\facturas.exe.log, ASCII 8->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 8->43 45 Adds a directory exclusion to Windows Defender 8->45 12 facturas.exe 2 8->12         started        15 powershell.exe 25 8->15         started        17 schtasks.exe 1 8->17         started        signatures6 process7 signatures8 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->47 49 Tries to steal Mail credentials (via file / registry access) 12->49 51 Tries to harvest and steal ftp login credentials 12->51 53 Tries to harvest and steal browser information (history, passwords, etc) 12->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-11 11:58:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6d6255e43f8c15ac35d75832b1b8ac911010720326488ca424eee3e0566817c6
MD5 hash:
6fbeffefb041ca0248c2873f8f170127
SHA1 hash:
dc99780c9888bd4855c7fb8c75e95921ecd6a96a
SH256 hash:
dc929bb66612e72a121c07ecc16ea4fb878f4c2e415e6c7d07d0ef45a98216ba
MD5 hash:
63c28be1103a9dede01f4fb4ce875bc3
SHA1 hash:
c7c04ef0d8ebdd5bd49029b078f73bbbdf54f800
SH256 hash:
ecd1f901f7f32ce54f872feade4a1199a0b92fb63176878d60e896bbf0405306
MD5 hash:
b170bfe8bb54a58c1a01e1a713a25a6f
SHA1 hash:
03593bbff64cccb91f01371c50da26eba718716c
SH256 hash:
d61623b9915cd46b51b99358c8d7fcbff16d1fed253dfba5372ffc7300f2577f
MD5 hash:
6f0e8998a1409c4d3b2cc5f1e5919b13
SHA1 hash:
d997d6c1837bcccdaac34618f5d118a629aa4c93
Malware family:
Agent Tesla v3
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.

Comments