MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61f88ba11e929600601216e8ad48c8fdcc49f3354d926ea01548472f53cd182a. 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 6 File information Comments

SHA256 hash: 61f88ba11e929600601216e8ad48c8fdcc49f3354d926ea01548472f53cd182a
SHA3-384 hash: ffd86f96cadd58ee46b388b0d1ef4afac6d9d2e8dba2165d1ed8eaaefee395f4cfe413a18901c7f63c515d7d0568960a
SHA1 hash: 1af331f03cd3b72c47f114c0a9dd6bfced9fe604
MD5 hash: d83ce8c06464f808f0883cca9af6aa53
humanhash: oven-helium-gee-network
File name:d83ce8c06464f808f0883cca9af6aa53.exe
Download: download sample
Signature AgentTesla
File size:512'000 bytes
First seen:2022-01-13 15:30:56 UTC
Last seen:2022-01-13 18:21:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:KGPKV8HACCNYvT7Ms+qxA4PMLtEUADKAhh:KG1AwT4s+ZeMLtzNW
Threatray 13'944 similar samples on MalwareBazaar
TLSH T170B401617AB9471FF9BB47B81D30D14087B2BC299851EB5C2CC171CD6AB67828B21F63
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d83ce8c06464f808f0883cca9af6aa53.exe
Verdict:
Malicious activity
Analysis date:
2022-01-13 17:54:22 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
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 552713 Sample: 2m8MSMXDrk.exe Startdate: 13/01/2022 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 6 other signatures 2->47 6 2m8MSMXDrk.exe 3 2->6         started        10 xWBWc.exe 3 2->10         started        12 xWBWc.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\2m8MSMXDrk.exe.log, ASCII 6->25 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 53 Injects a PE file into a foreign processes 6->53 14 2m8MSMXDrk.exe 2 9 6->14         started        19 2m8MSMXDrk.exe 6->19         started        55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 21 xWBWc.exe 2 10->21         started        23 xWBWc.exe 2 12->23         started        signatures5 process6 dnsIp7 31 us2.smtp.mailhostbox.com 208.91.199.223, 49814, 49815, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\xWBWc.exe, PE32 14->27 dropped 29 C:\Users\user\...\xWBWc.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 2 other signatures 14->39 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-13 15:31:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
6d6255e43f8c15ac35d75832b1b8ac911010720326488ca424eee3e0566817c6
MD5 hash:
6fbeffefb041ca0248c2873f8f170127
SHA1 hash:
dc99780c9888bd4855c7fb8c75e95921ecd6a96a
SH256 hash:
a4c52e178f84a0624ecda1ef339a52433a55ea241e2dfc2cdc349d7cf4b14c3a
MD5 hash:
1805543b5c3997d423e2c56fc640136f
SHA1 hash:
b049b90e87d344d326aef6b36d5c2fb418a36d5f
SH256 hash:
c563f43cd0a4e36a445bc10e798e961aaebef2f8485ff3c87c298839b379d4d7
MD5 hash:
d489984d04f1f2b7d1df5cd62545e847
SHA1 hash:
5fc79635343077c2474360da13bf34e0b5e728a1
SH256 hash:
61f88ba11e929600601216e8ad48c8fdcc49f3354d926ea01548472f53cd182a
MD5 hash:
d83ce8c06464f808f0883cca9af6aa53
SHA1 hash:
1af331f03cd3b72c47f114c0a9dd6bfced9fe604
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: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.

Web download

AgentTesla

Executable exe 61f88ba11e929600601216e8ad48c8fdcc49f3354d926ea01548472f53cd182a

(this sample)

  
Delivery method
Distributed via web download

Comments