MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 231a59ef13ab58b2ca74ac6a680d5bca3a01dac79a9b27827a75a04c1e18a981. 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 7 File information Comments

SHA256 hash: 231a59ef13ab58b2ca74ac6a680d5bca3a01dac79a9b27827a75a04c1e18a981
SHA3-384 hash: 03529876b5b6ce524f547f6ee28f9461358fa61c20c9acd25a96ad1148838c6d86d022582d2fffc54449018b07768806
SHA1 hash: 3e1794852d54382c387fe5769b13c0d47c49456d
MD5 hash: c5f8899b4e394d0dc0db3b21493b9abd
humanhash: texas-mirror-mango-sodium
File name:New Order.exe
Download: download sample
Signature AgentTesla
File size:535'040 bytes
First seen:2021-11-10 09:56:43 UTC
Last seen:2021-11-10 15:13:14 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:nn7/tD00qN6wI85ZM6auZ+/8sJ0BwBml:nnbC0Kj+kwBA
Threatray 12'737 similar samples on MalwareBazaar
TLSH T1D0B4F1253A89DA59C1797BF888FE805513F87C563850C21EFEF8738A6972713CC9099E
File icon (PE):PE icon
dhash icon 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
116
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.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
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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 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: 519087 Sample: New Order.exe Startdate: 10/11/2021 Architecture: WINDOWS Score: 100 60 x1.i.lencr.org 2->60 62 mail.mus.com.pk 2->62 72 Found malware configuration 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->76 78 13 other signatures 2->78 8 New Order.exe 7 2->8         started        12 NXLun.exe 5 2->12         started        14 NXLun.exe 2->14         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\eXspEDUu.exe, PE32 8->54 dropped 56 C:\Users\user\AppData\Local\...\tmp7332.tmp, XML 8->56 dropped 58 C:\Users\user\AppData\...58ew Order.exe.log, ASCII 8->58 dropped 80 Adds a directory exclusion to Windows Defender 8->80 82 Injects a PE file into a foreign processes 8->82 16 New Order.exe 2 5 8->16         started        20 powershell.exe 25 8->20         started        22 schtasks.exe 1 8->22         started        84 Multi AV Scanner detection for dropped file 12->84 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->86 88 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->88 24 powershell.exe 12->24         started        26 schtasks.exe 12->26         started        28 NXLun.exe 12->28         started        30 powershell.exe 14->30         started        32 schtasks.exe 14->32         started        34 NXLun.exe 14->34         started        signatures6 process7 file8 48 C:\Users\user\AppData\Roaming\...48XLun.exe, PE32 16->48 dropped 50 C:\Windows\System32\drivers\etc\hosts, ASCII 16->50 dropped 52 C:\Users\user\...52XLun.exe:Zone.Identifier, ASCII 16->52 dropped 64 Tries to steal Mail credentials (via file / registry access) 16->64 66 Tries to harvest and steal ftp login credentials 16->66 68 Tries to harvest and steal browser information (history, passwords, etc) 16->68 70 2 other signatures 16->70 36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        42 conhost.exe 26->42         started        44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-11-10 09:43:16 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
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
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:
29c1f5c47a4de341754532fb08c047768bc84137959fa58c10b3550703bbd42b
MD5 hash:
09f049763a84b5e723d0112145146890
SHA1 hash:
b59810b480962bdc68dc320aa4d8a6088f842f86
SH256 hash:
1f58be119634bb85e4aeb70cf5715c6b55fc0274443612b50f3feee8c3e0b161
MD5 hash:
6dd51dd7da98ffdf63e5bf71d65093c4
SHA1 hash:
b449c0c46ba00f6664ce9552bb65e614688ac62d
SH256 hash:
91655863c7906a8d20c7c782144f553c027843a72f2fdab2b1ccc80808083af0
MD5 hash:
b5044dd0e9c91b1a9185d491da7d07f2
SHA1 hash:
a9ff8129771d85f77b6a145f750c70e53f51125e
SH256 hash:
231a59ef13ab58b2ca74ac6a680d5bca3a01dac79a9b27827a75a04c1e18a981
MD5 hash:
c5f8899b4e394d0dc0db3b21493b9abd
SHA1 hash:
3e1794852d54382c387fe5769b13c0d47c49456d
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
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 231a59ef13ab58b2ca74ac6a680d5bca3a01dac79a9b27827a75a04c1e18a981

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments