MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4fa6ae6c4c821c3945c75ca69df7cb2db11935e7d5f27190bef848b32a90556. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash: e4fa6ae6c4c821c3945c75ca69df7cb2db11935e7d5f27190bef848b32a90556
SHA3-384 hash: bbe8b80d6bdb9fa98b4c0451247ede6d54a9ac61792bf74848e7ea22a50b41664fc05c430d7ff4fbbdb19c43c7f78996
SHA1 hash: d47f055fd73633cd07e7a06424f03f1df9561d90
MD5 hash: c73dae03d9177418df04556477e7741b
humanhash: london-avocado-bulldog-cat
File name:TRANSFER REQUEST FORM.exe
Download: download sample
Signature AgentTesla
File size:738'304 bytes
First seen:2021-10-11 17:28:23 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:SEhv2Ui0/h9ls+gOSHBpGXbn7cku+5dLZwQLOuGI:jOUieh9y+gO5D5dFuJ
Threatray 11'504 similar samples on MalwareBazaar
TLSH T174F4C03439FA9155F272AF366ED6B2499F5EBFB26503801D2052734B0632A81CDF253B
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TRANSFER REQUEST FORM.exe
Verdict:
Suspicious activity
Analysis date:
2021-10-11 17:37:45 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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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 strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Modifies the hosts 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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 500179 Sample: TRANSFER REQUEST FORM.exe Startdate: 11/10/2021 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected AgentTesla 2->36 38 5 other signatures 2->38 6 TRANSFER REQUEST FORM.exe 3 2->6         started        9 NXLun.exe 2 2->9         started        11 NXLun.exe 1 2->11         started        process3 file4 24 C:\Users\...\TRANSFER REQUEST FORM.exe.log, ASCII 6->24 dropped 13 RegSvcs.exe 2 4 6->13         started        18 RegSvcs.exe 6->18         started        20 conhost.exe 9->20         started        22 conhost.exe 11->22         started        process5 dnsIp6 30 mail.timsonlogisticske.com 104.193.142.174, 49795, 587 INMOTI-1US United States 13->30 26 C:\Users\user\AppData\Roaming\...26XLun.exe, PE32 13->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 13->28 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->40 42 Tries to steal Mail credentials (via file access) 13->42 44 Tries to harvest and steal ftp login credentials 13->44 50 3 other signatures 13->50 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->46 48 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->48 file7 signatures8
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-10-11 15:45:14 UTC
AV detection:
14 of 27 (51.85%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
outlook_win_path
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
SH256 hash:
13eded60de163b53de203c5a3aff3823938e18e3d2cba139aebb7d449eb28597
MD5 hash:
24dc203b285452d3843666f93bcd6526
SHA1 hash:
c6ef1910c88d2d76e8676e2323f6ce6692e4f6af
SH256 hash:
3b8edca4d7fd983eafaed4c5080f6569e43b6aa6fab2fb76e0b99afd0cf64d1d
MD5 hash:
526cd9e30ca746692195f106b7f7fec8
SHA1 hash:
26a115cbf231e5c230f02879560aad4176e6c062
SH256 hash:
e4fa6ae6c4c821c3945c75ca69df7cb2db11935e7d5f27190bef848b32a90556
MD5 hash:
c73dae03d9177418df04556477e7741b
SHA1 hash:
d47f055fd73633cd07e7a06424f03f1df9561d90
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 e4fa6ae6c4c821c3945c75ca69df7cb2db11935e7d5f27190bef848b32a90556

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments