MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb966e2d0563e22d4b9cea46bae8f89a1a7a8f585c6ef1a0520a6dbfff419b04. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
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SHA256 hash: cb966e2d0563e22d4b9cea46bae8f89a1a7a8f585c6ef1a0520a6dbfff419b04
SHA3-384 hash: 0217e6e9750f9b450eb4fb019a3db4c0127882d674187799db4017e3b89be7a34223d503e1618c74875e72e9f18ae47d
SHA1 hash: bbef2ab1274410fb8f3a630c7f26117629a7606b
MD5 hash: 5e48991f0c493ac5e17b6fae4c321c75
humanhash: quiet-football-steak-papa
File name:outstanding payments.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:783'872 bytes
First seen:2020-07-28 20:19:50 UTC
Last seen:2020-07-28 20:39:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:K6gK5XGyHFp946G0032VUgIVD0P0/JCKWk2vMKY8zEIKhwP7r9r/+ppppppppppR:CK5XvpTWV0exuMZ8zh1q
Threatray 10'670 similar samples on MalwareBazaar
TLSH 4FF4F3809544575ADA1A9B707537C8B45223EDA8EA30D93E1CCFFD673AF62FA2093053
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/34019/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52692.24100.9126.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/400965
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Disables UAC (registry)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252739 Sample: outstanding payments.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 46 g.msn.com 2->46 48 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->48 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Antivirus detection for dropped file 2->54 56 11 other signatures 2->56 8 outstanding payments.exe 7 2->8         started        11 CJzRAE.exe 2 2->11         started        13 CJzRAE.exe 1 2->13         started        15 wuapihost.exe 2->15         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp5FB5.tmp, XML 8->36 dropped 38 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\...\outstanding payments.exe.log, ASCII 8->40 dropped 17 RegSvcs.exe 2 4 8->17         started        22 schtasks.exe 1 8->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        process6 dnsIp7 42 mail.el-sever.com 160.153.133.191, 49727, 587 GODADDY-AMSDE United States 17->42 44 192.168.2.1 unknown unknown 17->44 30 C:\Users\user\AppData\Roaming\...\CJzRAE.exe, PE32 17->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 17->32 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->60 62 Tries to steal Mail credentials (via file access) 17->62 64 6 other signatures 17->64 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb966e2d0563e22d4b9cea46bae8f89a1a7a8f585c6ef1a0520a6dbfff419b04/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 15:43:24 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zolg4lifmprc2s445jdlv2hytinhvd2ylrxpdicsbjw3772btmca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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c6d659d01d6aaf95f9e7280164eb2f8c1df03d11c73e198b5b929e0434b4955a
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ca00e2766617e6a0d743880ad74f65b035e04192914a938a6610f6fd813c6c0c
AgentTesla
+ 10'660 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200728-57tvte2jtx/
Behaviour
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
UAC bypass
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cb966e2d0563e22d4b9cea46bae8f89a1a7a8f585c6ef1a0520a6dbfff419b04

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

7z e7090498da3d73f9e1a6a2208d6e22487a85bd177b401a356d1ea11bb523fb52

AgentTesla

Executable exe cb966e2d0563e22d4b9cea46bae8f89a1a7a8f585c6ef1a0520a6dbfff419b04

(this sample)

  
Dropped by
MD5 4f899d23f41cadebed17162de37c384a
  
Dropped by
SHA256 e7090498da3d73f9e1a6a2208d6e22487a85bd177b401a356d1ea11bb523fb52
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34019/

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