MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98aa25661d1240483f21cb7f2cdade8ba0ee681fef926ff56ef6ced2c4477527. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98aa25661d1240483f21cb7f2cdade8ba0ee681fef926ff56ef6ced2c4477527
SHA3-384 hash: af1114acb122d898a5cc1123f1352634a978c89983c4a33ac736f8a1e0035f8f8a5e07b43feb09b5c8b477217ac2d9d8
SHA1 hash: cff1265315ec41c11b1d62dde2fe249ecf0d227a
MD5 hash: 802b118ff57572e15f3693056c9b4321
humanhash: lamp-arkansas-thirteen-golf
File name:UbTzPympGiUdkff.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:519'168 bytes
First seen:2020-07-16 00:16:20 UTC
Last seen:Never
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:xc2iN62k4zUQlN0NAmkYMQsYb9V0gIH8j:61/N0GmkYMQkcj
Threatray 10'686 similar samples on MalwareBazaar
TLSH 62B4F1DC2C685426CA9C1EF94DA6D63053706E82F4F1F2C66BC0FE6B347A395E482513
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26284/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/98aa25661d1240483f21cb7f2cdade8ba0ee681fef926ff56ef6ced2c4477527/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-15 19:18:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tcvckzq5cjaeqpzbzn7szww6roqo42a756jg75lo63hnfrchoutq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1eacb0db214edbdd7e818aad638ffd03d6db6cf709858b00bf5a99d9e5bbac6e
AgentTesla
30fe842b10902c8ef83f5de74a6ad0987b391a318f4254ab5a276ab89175b28d
AgentTesla
4a49522c7a5d8f1f0afc329881adc6df6b341e821c6552b63f32673db788d2a4
AgentTesla
57c5d9b907c60dfa4ab6c08d01639b4ab353b60b6af84b251a6763084c3b30ff
AgentTesla
7f3f318f71fc63976a8714f64e85ba5db4854e651182b6ddf14a32cf4180d264
AgentTesla
9dd3c076a2e85f8c34caef224c32dc3c9ff2e3d5c00b060a557095b98d751127
AgentTesla
a7534a67287f201714e7983107df187fc9b9fee458ff257d69dd312e17f8fd6d
AgentTesla
af2a4e30788d4366defa75009f896abacc0a0e50c163def0711ed18dc5b1cbbc
AgentTesla
b54f1e06ebd6f64d1eb8bf51ae256b530b19768b82d75d70b5782e9398a30705
AgentTesla
dac01bbee08ffda9dc50c1f7244ceb96eda1807ec707b72d041443fbe55d9bab
AgentTesla
+ 10'676 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200716-wqgffp5x8n/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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.

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

rar 4d33581674e1cea0cd2a265543579349ee187def2c6df7bff74722689503bd90

AgentTesla

Executable exe 98aa25661d1240483f21cb7f2cdade8ba0ee681fef926ff56ef6ced2c4477527

(this sample)

  
Dropped by
MD5 c92cb1c0bd435ab469a5a95a86580c7e
  
Dropped by
SHA256 4d33581674e1cea0cd2a265543579349ee187def2c6df7bff74722689503bd90
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26284/

Comments