MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f28a365c4ec5dac4cb9d752b512f4616b932076838d5370297d28234c1bd69e. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f28a365c4ec5dac4cb9d752b512f4616b932076838d5370297d28234c1bd69e
SHA3-384 hash: 5b87760c0d13b3d70fdac4ef06e72b4e2144d8c5d425b47c4c5c28c3dc775295f59db6478d9472bb46d7e57e9f6331bd
SHA1 hash: 013eda5c1e54510e881b5774e2f1910bca471797
MD5 hash: f00d77c9caf0b3f47f9e6ac8d052bf7a
humanhash: leopard-fanta-march-equal
File name:SIGNED AND STAMPED INVOICE.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:406'528 bytes
First seen:2020-06-12 08:48:19 UTC
Last seen:2020-06-13 19:50:59 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:l1uUg0mrmg3SagZDAkOeJk169dE8zgm3LVb:6N0CbIDAk5U69
Threatray 10'593 similar samples on MalwareBazaar
TLSH ED84F18D3690B2EFC86BC976DD641D24DA21746B970BD303E08756AF8A0E9A7CF144F1
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
3
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/10010/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.8252.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-06-12 08:50:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j4ukgzoe5ro2ytfz25jlkexumfvzgidwqogvg4bjpuucgta322pa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c3d30c2124ea46970d7f9c03b2fc23b1deb32328fe396ecae9d21655d27a8d1
AgentTesla
1fa1363c857cc46f603a4eff38b86058b80ecca1f554c65e943f94725b5c2570
AgentTesla
2672dbd0f2cdcb55f92fcc27ae5cdbf0e708ce44844d432413c27b108b9b8231
AgentTesla
50937a47b36ea1eab82997b699b4472184aaf53941695b0bdc6d2fb3f78ca0bf
AgentTesla
659d74d6d42fd86eb5ea79e7b74beb59c537da023e1290629cef1251704198cb
AgentTesla
6d82bc348c5901ccbe8ffd429918c939a096415829fe6c7015c1abbd15a0bb75
AgentTesla
70a7c18aa0fb1b6a542988faad566ef09a748042d6451bb7cd50871ff95e09ca
AgentTesla
9edf6d5c0fb37d58053e7b45411d16cc1c63d806d139139e06bc8a2dab4626d8
AgentTesla
d7143a0fe03e7294be0319e92f0a78bcbe8a0e97a4a2437e5227304e0fe37d29
AgentTesla
dfa098b2094107457d9bbe4511620001c72842c5c0240a3ab58989d5ebb49c97
AgentTesla
+ 10'583 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-dggxh141ys/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
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 Payload
rezer0
ServiceHost packer
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 ac930cb0c22a9a20144cc740b3f02cf4f59b47349102708e7954a327e5d42302

AgentTesla

Executable exe 4f28a365c4ec5dac4cb9d752b512f4616b932076838d5370297d28234c1bd69e

(this sample)

  
Dropped by
MD5 7cc1018d35442394f55e9187e4527a3a
  
Dropped by
SHA256 ac930cb0c22a9a20144cc740b3f02cf4f59b47349102708e7954a327e5d42302
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/10010/

Comments