MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcab485da5102dc710b17e209214d2f5c85819a1f6b6b29c777864a44590ba09. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcab485da5102dc710b17e209214d2f5c85819a1f6b6b29c777864a44590ba09
SHA3-384 hash: f8644d1afc45711992f988d6a0858f8804c4f045061a6c860b8e918d655a9fc0fb67adbc6bb2a1b3ac6448cd215dc87f
SHA1 hash: 33bfbc395c062899a1a0b694ab77aaa6b738003f
MD5 hash: f1aac73d86211c8cb8cb7767d906b414
humanhash: butter-hot-fish-oven
File name:f1aac73d86211c8cb8cb7767d906b414.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:561'152 bytes
First seen:2021-11-29 19:05:27 UTC
Last seen:2021-11-29 20:39:22 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:CpYcrq3cPkbgiAMVvdcQsj4VK9VPqG+gD+Gv3a2nY5DZ/H:CpYcrbXiO4Q9VSADHSgY5DZ/H
Threatray 13'088 similar samples on MalwareBazaar
TLSH T1A8C423603324C3A5C3BA653140B703146AF477452641D7DDBBE4F09EACEBF829A196EB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.curvetechllc.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f1aac73d86211c8cb8cb7767d906b414.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-29 19:09:34 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/4da06f20-0820-4e16-b59e-d4b89aab8955

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Inject4.21003.26504.10579.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
DNS request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a5249deffcae2254f4bd48/reports/8d10a003-99a9-4292-9f31-124760b5c274/overview
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0d4cc47c-f709-49d7-ad10-87f8dcb46dc8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/898172
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Moves itself to temp directory
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 530646 Sample: P36y1tJwTj.exe Startdate: 29/11/2021 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 4 other signatures 2->49 6 P36y1tJwTj.exe 3 2->6         started        10 newapp.exe 3 2->10         started        12 newapp.exe 2 2->12         started        process3 file4 25 C:\Users\user\AppData\...\P36y1tJwTj.exe.log, ASCII 6->25 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 14 P36y1tJwTj.exe 2 9 6->14         started        55 Multi AV Scanner detection for dropped file 10->55 19 newapp.exe 2 10->19         started        21 newapp.exe 2 12->21         started        23 newapp.exe 12->23         started        signatures5 process6 dnsIp7 31 mail.curvetechllc.com 14->31 33 mail.curvetechllc.com.netsolmail.net 205.178.146.249, 49840, 49841, 587 DEFENSE-NETUS United States 14->33 27 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 14->27 dropped 29 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 14->29 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Moves itself to temp directory 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 4 other signatures 14->41 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcab485da5102dc710b17e209214d2f5c85819a1f6b6b29c777864a44590ba09/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-11-29 15:45:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7svuqxnfcaw4oefrpyqjefgs6xefqgnb623lfhdxpbskirmqxieq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
588cf49880e13ebf52438e8377d7c959fed298143f7a9fcc000cd654cb01e778
AgentTesla
5e922ebd226625e778e389b73f24b5e0a876139697b2dcb2e93b060303b81471
AgentTesla
61d4dd89bcb94b321942a0ebc30ad2319411eff15bc24ab4769fd00a20a92188
AgentTesla
63d1c3a00aba67d388c9d302aad97ed9095745b4bf5504c1ba6e9e60aa9d2d5b
AgentTesla
ab0ffcb1f044952bf2d71c463e4a2858905c974b6302cab8e8b29d81fc268def
AgentTesla
dad6cf0986db0d1a9b5b952e67604f253a1a5458cb63e7d638a8359180952589
AgentTesla
ebdb5f9167c925da14a5783a022be63ac4daeeb7515692c7cd50c37a7851e7e4
AgentTesla
f349ed3a3e5bab8bc5694ba8885e6717c049064394682b240afe62ede7f67a9e
AgentTesla
+ 13'078 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211129-xr3dqacehm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
cb9fd4fddbbeeab68ce2bcdf950cf423ea5b480dac5f813c6930227d67d9ddd4
MD5 hash:
cca678952394976f3954f9eb355723ff
SHA1 hash:
fa6064994eca0b057f77e44462a5e121e01e147a
Link:
https://www.unpac.me/results/068759c0-396f-470d-b617-9c111564fa9d/
SH256 hash:
b19104b568ca3ddccc2a8d3d10ecddb1ea240171e798dc3a486292cfa14b6365
MD5 hash:
7b0900da932f4ed9630d65b04422736d
SHA1 hash:
6fa340436e3a8e73ae2b3e911f861483183c68ef
Link:
https://www.unpac.me/results/068759c0-396f-470d-b617-9c111564fa9d/
SH256 hash:
d08614a3a918db4bca181119c8960631f4f04221d557145accd1c5fa7b52d134
MD5 hash:
ba4d046c487bab94a8fabcca3553f19b
SHA1 hash:
5d5ff62ee7ae6a36869f29b2862bad657cb84ae3
Link:
https://www.unpac.me/results/068759c0-396f-470d-b617-9c111564fa9d/
SH256 hash:
fcab485da5102dc710b17e209214d2f5c85819a1f6b6b29c777864a44590ba09
MD5 hash:
f1aac73d86211c8cb8cb7767d906b414
SHA1 hash:
33bfbc395c062899a1a0b694ab77aaa6b738003f
Link:
https://www.unpac.me/results/068759c0-396f-470d-b617-9c111564fa9d/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fcab485da510/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fcab485da5102dc710b17e209214d2f5c85819a1f6b6b29c777864a44590ba09

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
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 fcab485da5102dc710b17e209214d2f5c85819a1f6b6b29c777864a44590ba09

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1805925/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1792559/

Comments