MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb34ccb02de1a3e7fd00c16fd98d509226567c084fa36aad7267fb961b9775a9. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb34ccb02de1a3e7fd00c16fd98d509226567c084fa36aad7267fb961b9775a9
SHA3-384 hash: 358683390e4ead10f8940ea7ed401e3fe11096072722ee91480d9529431993731a4b6f51cde8aff24774e1785b154f81
SHA1 hash: 81460b1aadb7829cad68c1ffa2eddf84760806ca
MD5 hash: 0a9c4d50c77f231c068e26a7edac144b
humanhash: asparagus-sierra-dakota-cola
File name:Payment Slip.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:626'688 bytes
First seen:2020-07-28 13:11:36 UTC
Last seen:2020-07-28 14:07:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:payCiSyiSYgggVmOEI9tdbby07hz3zkRTTfdYKUaHDnPxH:qOEI9by07NjkVT1PB
Threatray 10'611 similar samples on MalwareBazaar
TLSH DCD4F11022A84B1FC36786B57463D1F01223AC96EB61DA7B4DDFEC8735D26F8A583643
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33653/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52666.16528.22177.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/400331
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Binary contains a suspicious time stamp
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
Injects a PE file into a foreign processes
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252521 Sample: Payment Slip.exe Startdate: 28/07/2020 Architecture: WINDOWS Score: 100 38 g.msn.com 2->38 40 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->40 42 Found malware configuration 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 7 other signatures 2->48 7 Payment Slip.exe 3 2->7         started        10 YYtJku.exe 2 2->10         started        13 YYtJku.exe 3 2->13         started        15 wuapihost.exe 2->15         started        signatures3 process4 file5 30 C:\Users\user\...\Payment Slip.exe.log, ASCII 7->30 dropped 17 Payment Slip.exe 2 5 7->17         started        62 Injects a PE file into a foreign processes 10->62 22 YYtJku.exe 2 10->22         started        64 Antivirus detection for dropped file 13->64 66 Multi AV Scanner detection for dropped file 13->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->70 24 YYtJku.exe 2 13->24         started        signatures6 process7 dnsIp8 32 threewaystoharems.com 192.254.236.251, 49741, 49754, 587 UNIFIEDLAYER-AS-1US United States 17->32 34 mail.threewaystoharems.com 17->34 26 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 17->26 dropped 28 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 17->28 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->50 52 Moves itself to temp directory 17->52 54 Tries to steal Mail credentials (via file access) 17->54 36 mail.threewaystoharems.com 22->36 56 Tries to harvest and steal ftp login credentials 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 22->60 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb34ccb02de1a3e7fd00c16fd98d509226567c084fa36aad7267fb961b9775a9/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-28 10:42:34 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zm2mzmbn4gr6p7iayfx5tdkqsitfm7aij6rwvllsm75zmg4xowuq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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f155dd64a514c9ea5ffc36222d1c66c8daf6416945dbc8e8dd7a5b2cefae02d3
AgentTesla
+ 10'601 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200728-xd9nfehsbx/
Behaviour
Suspicious behavior: RenamesItself
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
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
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cb34ccb02de1a3e7fd00c16fd98d509226567c084fa36aad7267fb961b9775a9

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

z b1bc0333eac12e680f5a1b4deb09e03385d9bbc78c54253c3920d61cf5079a14

AgentTesla

Executable exe cb34ccb02de1a3e7fd00c16fd98d509226567c084fa36aad7267fb961b9775a9

(this sample)

  
Dropped by
MD5 5dd683341b95fc0272bf6be58f268c01
  
Dropped by
SHA256 b1bc0333eac12e680f5a1b4deb09e03385d9bbc78c54253c3920d61cf5079a14
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33653/

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