MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b25050da3db1fef64eb447fdbcd2a4c2248fc32a7be362cea35094449250381f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b25050da3db1fef64eb447fdbcd2a4c2248fc32a7be362cea35094449250381f
SHA3-384 hash: a2e72761a287c5181203517dc5b9485d70120fcd574ac72ca7c94fd8cad7d0596f0f97ab90b4c6edc771516200a66512
SHA1 hash: 973086c5da21d7a88b8540e8c6c5f846c85fb754
MD5 hash: ae7bcfcb1988e2f5d6049a69fa62660f
humanhash: vermont-fix-lamp-single
File name:CCF_008089.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:878'592 bytes
First seen:2022-04-12 15:31:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:nkKX6doigqrcjPGmZmMURKu1OugVlNDoalJDRyNmvu3:nkKXkoR6oemAMUR4lBDJDs
Threatray 16'081 similar samples on MalwareBazaar
TLSH T16F15E009B6A48675D87D0BB8B438449007B67E3A5851D7BE7909B1FA2FB33D08503F2B
File icon (PE):PE icon
dhash icon f9c9c9c8dcc1ce0c (13 x AgentTesla, 3 x Formbook, 2 x Loki)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
371
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CCF_008089.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 00:20:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/17c7066d-fafa-41ba-9c1c-67a3e2be4619

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/263159/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.25880.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand.exe obfuscated packed strictor
Link:
https://www.filescan.io/uploads/62559b39482f2f41caa0a5cd/reports/62919465-d034-458c-991d-93f7f3e32cef/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/e06de199-f1af-45dc-87bf-b24f5611b53e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/975517
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Suspicious Add Scheduled 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 608005 Sample: CCF_008089.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for dropped file 2->44 46 8 other signatures 2->46 7 CCF_008089.exe 7 2->7         started        process3 file4 28 C:\Users\user\AppData\...\ZAdswUWQxrJstu.exe, PE32 7->28 dropped 30 C:\...\ZAdswUWQxrJstu.exe:Zone.Identifier, ASCII 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmpEB72.tmp, XML 7->32 dropped 34 C:\Users\user\AppData\...\CCF_008089.exe.log, ASCII 7->34 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->48 50 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 2 other signatures 7->54 11 CCF_008089.exe 2 7->11         started        16 powershell.exe 24 7->16         started        18 powershell.exe 25 7->18         started        20 2 other processes 7->20 signatures5 process6 dnsIp7 38 mail.majulah.com.sg 110.4.45.230, 49787, 587 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 11->38 36 C:\Windows\System32\drivers\etc\hosts, ASCII 11->36 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->56 58 Tries to steal Mail credentials (via file / registry access) 11->58 60 Tries to harvest and steal ftp login credentials 11->60 62 2 other signatures 11->62 22 conhost.exe 16->22         started        24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b25050da3db1fef64eb447fdbcd2a4c2248fc32a7be362cea35094449250381f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-12 08:42:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjifbwr5wh7pmtvui763zuveyisi7qzkpprwftvdkckejesqhapq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
4b0f3abe3b0c7a9356687b4c29c68f9bab4247ca92cf5c37b42eec2881d3d2ec
AgentTesla
57c38984bd22e15b6b0ae6f05e03159e4f53b18692b2300c098c9094e631146f
AgentTesla
66222812722bec06eaecb3735456800f715ebb8148a4c994c391de97c83e0868
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693b96514d1d57ee01269e74390bef130a9980cd91f8487cac6f3a89c4f18b25
AgentTesla
a53fdb9b6f2f57ed4049cea852039a12ca611054aff8eb82f33d818ab27fd251
AgentTesla
c39a8dafb70b4adfb21ca557c23f3b81fc965c204bb70d515f8903f3205b72b7
AgentTesla
cdadc76f61382593d88182fc8d09eb68d39c5ecddc5c13e8c45341615bc91b21
AgentTesla
defbeba113680db4e014a2b34be77a64529d1e0d5fb837e732eec92b842d364d
AgentTesla
+ 16'071 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/220412-sx2bdsdaer/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
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
Unpacked files
SH256 hash:
51be7ca868f20a37e4179bc6d0e605bc0f2029669b83e858664031acfb2e9e0c
MD5 hash:
f243fcc81eea2add3f96552c6d78bb9c
SHA1 hash:
cd183ca08790989ea524b7902b99ca922699931f
Link:
https://www.unpac.me/results/a706f966-23db-4304-806a-11daeffd4862/
SH256 hash:
b9ac500f7e86ba5c7cc208b0ce88e0a0124cf361cb042b3c9b5747d233abaf36
MD5 hash:
21b51d83c2905d482c4792cfbfe6ea33
SHA1 hash:
b127cadfb78fd3f31be1d952d5a6fc8c33bcb56d
Link:
https://www.unpac.me/results/a706f966-23db-4304-806a-11daeffd4862/
SH256 hash:
b4364bba1d1c0f9cd4f07899b646ab90c1fcee31a985cea8377960da1692903a
MD5 hash:
42d633e43e81a4b3b1e7c3e61a2bbcb4
SHA1 hash:
9e459eedfcd7d56b3917372066a55279e35a60fc
Link:
https://www.unpac.me/results/a706f966-23db-4304-806a-11daeffd4862/
SH256 hash:
aabe3726831ca2ef54538cb74ae5bf0ccfb4b353353fd276c2f65ac16ef5e4e2
MD5 hash:
8f8ea4ecded97043a1188c5814195d58
SHA1 hash:
17193ade6b4379fa412294f308e23b8a681cc66e
Link:
https://www.unpac.me/results/a706f966-23db-4304-806a-11daeffd4862/
SH256 hash:
b25050da3db1fef64eb447fdbcd2a4c2248fc32a7be362cea35094449250381f
MD5 hash:
ae7bcfcb1988e2f5d6049a69fa62660f
SHA1 hash:
973086c5da21d7a88b8540e8c6c5f846c85fb754
Link:
https://www.unpac.me/results/a706f966-23db-4304-806a-11daeffd4862/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b25050da3db1/report/overview.html
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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe b25050da3db1fef64eb447fdbcd2a4c2248fc32a7be362cea35094449250381f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263159/

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