MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b6dc29f30e2eff3e66e00e564d00e271de592d587fce610f758ca11a8b09227. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b6dc29f30e2eff3e66e00e564d00e271de592d587fce610f758ca11a8b09227
SHA3-384 hash: 21b3165ddab96930f766842ed3e14d33d49f4cd75d8de5434db1669774b0a31a50501a865f99c555bd90163d54ea641e
SHA1 hash: b6bb70a6abb64de11b16b9313980f1ddd5114661
MD5 hash: 3e8b966bd11916dee3b4a92fd7bc6be9
humanhash: stream-virginia-delta-tango
File name:documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'120'768 bytes
First seen:2022-03-27 10:03:06 UTC
Last seen:2024-07-24 12:36:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'648 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:Ow5XUcihyFavkAYusargP6n2C05yuqU1VzzBSObGaRr:55XUcCLcARsgn2C0LqGzpbl
Threatray 15'971 similar samples on MalwareBazaar
TLSH T194352241765D86AFCEE64BF20011C0C016BDB17BB645E2CE2DE9E3AE6C523CDA742593
Reporter cocaman
Tags:AgentTesla exe Shipping

Intelligence

File Origin
# of uploads :
4
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/258152/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.30250.23600.17606.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/624036979253b276b7824d1f/reports/0a2bd65f-7145-491b-8941-64802475cf01/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/2916f469-b8a7-4874-86ff-17eb2db6a8b2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/965267
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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)
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: 597748 Sample: documents.exe Startdate: 27/03/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 14 other signatures 2->44 7 documents.exe 7 2->7         started        process3 file4 24 C:\Users\user\AppData\Roaming\CSTFEKC.exe, PE32 7->24 dropped 26 C:\Users\user\...\CSTFEKC.exe:Zone.Identifier, ASCII 7->26 dropped 28 C:\Users\user\AppData\Local\...\tmpB0BA.tmp, XML 7->28 dropped 30 C:\Users\user\AppData\...\documents.exe.log, ASCII 7->30 dropped 46 Uses schtasks.exe or at.exe to add and modify task schedules 7->46 48 Adds a directory exclusion to Windows Defender 7->48 11 RegSvcs.exe 2 7->11         started        16 powershell.exe 25 7->16         started        18 schtasks.exe 1 7->18         started        signatures5 process6 dnsIp7 34 atifnazar.com 212.8.242.106, 49748, 587 WORLDSTREAMNL Netherlands 11->34 36 mail.atifnazar.com 11->36 32 C:\Windows\System32\drivers\etc\hosts, ASCII 11->32 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->52 54 Tries to steal Mail credentials (via file / registry access) 11->54 56 4 other signatures 11->56 20 conhost.exe 16->20         started        22 conhost.exe 18->22         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b6dc29f30e2eff3e66e00e564d00e271de592d587fce610f758ca11a8b09227/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-26 22:45:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnw4fhzq4lx7hztoadswjuaoe4o6lewvq76omehxldfbdkfqsitq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
20da9061d97a613081f164a4ace352121755f24a0e0c717d2791e03579daff53
AgentTesla
284fde44f4c88b3f8794bc3f441b89d50920468974a95744ee693e8676bd4280
AgentTesla
76bfbb524e921f7639ecbb2c7d40e072d5b45aa4b8521a45d82d85f96743afeb
AgentTesla
7cd1bb647fff3c340e2eae0532318bde99947b6bc91e3fabe286bd3fb0a1658e
AgentTesla
8e084a9927786a2339ed41e3c1b416d763e72fa052e62760ead5c2d15e1db278
AgentTesla
+ 15'961 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/220327-l3xrtsgcd3/
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
Checks computer location settings
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
fdb3b2f02d104057dc0fd00598e516e127c9a68bf8eab5024e137c99d27a9e73
MD5 hash:
f6ad61c9a2b4ad000a87cf283f5fe500
SHA1 hash:
fb41a55485f3bd3e4e0b3b77195ce8a486ebb99d
Link:
https://www.unpac.me/results/941d94b0-67f6-46b1-bf64-cc0e8e940950/
SH256 hash:
dc5c057b0ee1eb079cf189762aac69f0d86338ea18795dc4fbf7ed9b5a45c2eb
MD5 hash:
4103ed94f4747b30e166cf3c25416f47
SHA1 hash:
d553a67056e94f60d621ca42dcecd6d93f9ef1ad
Link:
https://www.unpac.me/results/941d94b0-67f6-46b1-bf64-cc0e8e940950/
SH256 hash:
51620455d2b5fb186d15da040a436fffd52960a28661156d97f16138338585f1
MD5 hash:
0fc264f8c18eed60126b39e0afd5f957
SHA1 hash:
cf14584430f18a94b201d72ab1ab49c344a84d2f
Link:
https://www.unpac.me/results/941d94b0-67f6-46b1-bf64-cc0e8e940950/
SH256 hash:
a487ba61f5e082996e0c464725afe2a4a7c6bb9be4b4e051fa6ea735777adbf9
MD5 hash:
61884fe354b1153cdac27d57d5432041
SHA1 hash:
a244c36ed583beeae4c84aa4fdeaebf8e62d2bf6
Link:
https://www.unpac.me/results/941d94b0-67f6-46b1-bf64-cc0e8e940950/
SH256 hash:
2b6dc29f30e2eff3e66e00e564d00e271de592d587fce610f758ca11a8b09227
MD5 hash:
3e8b966bd11916dee3b4a92fd7bc6be9
SHA1 hash:
b6bb70a6abb64de11b16b9313980f1ddd5114661
Link:
https://www.unpac.me/results/941d94b0-67f6-46b1-bf64-cc0e8e940950/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2b6dc29f30e2/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/2b6dc29f30e2eff3e66e00e564d00e271de592d587fce610f758ca11a8b09227

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

zip 26b17bfffe3b43b2eb58c49be82872a7a2a08a6941d07b247ad9b0fffda58824

AgentTesla

Executable exe 2b6dc29f30e2eff3e66e00e564d00e271de592d587fce610f758ca11a8b09227

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 26b17bfffe3b43b2eb58c49be82872a7a2a08a6941d07b247ad9b0fffda58824
Cape
Cape
https://www.capesandbox.com/analysis/258152/

Comments