MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5983e7fb1701d1c79ca24d59270598cbd4c799322d4621c5862449916161af5. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5983e7fb1701d1c79ca24d59270598cbd4c799322d4621c5862449916161af5
SHA3-384 hash: c6f820cd0ddf8b41bc2de01c626a4d46650e6234d406960af7b57b034568747e81631b79fbba59e8c9018ba4475e50b8
SHA1 hash: a8b2c1ec9aa917dbc178465169ed2f4a09248e0c
MD5 hash: a17cabe825146446a80fc4ab7b92963d
humanhash: paris-lake-moon-arizona
File name:Purchaseorder.xlsx.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:315'392 bytes
First seen:2020-05-18 07:55:48 UTC
Last seen:2020-05-18 09:20:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 19240d37a4a0dd13078552633408dcdd (3 x AgentTesla, 1 x 404Keylogger, 1 x AveMariaRAT)
ssdeep 6144:2tdnEgt+Ue5Q7RYjU5M5RuFypyCFbPLzaM8IthrWCm:CdnES+J5njU5M5XHN3aM8IAL
Threatray 6'171 similar samples on MalwareBazaar
TLSH E464E015BC1530DBF909C9B28AB1B5D60AFC5C2337436A0B9F84780816B269F95F7A73
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: web.naijhaspeaks.com
Sending IP: 46.166.176.236
From: Jayshree FLOTECH <customerservice@web.naijhaspeaks.com>
Subject: RE: Delayed Order
Attachment: P.O8989.z (contains "Purchaseorder.xlsx.exe")

AgentTesla SMTP exfil server:
mail.kteadubai.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Variant.Jaik.40121.7666.4645.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-18 01:52:09 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwmd475roaory6oketkze4czrs6uy6mtelkgehcymjcjsfqwdl2q._file
Verdict:
unknown
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81337231c53d0927b5aaff1792d71b5f5270e268e1909267ad3bd79951e72642
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8bbb8fe69100550248f4663e911a16bca03432bef9112dd0924d7a9c3dae8464
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9e17a9c1b1d0db2c9cd8fdf42c475712f8faaa68cb08bbff910a2927b910d88f
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c9546364a9e1a309000f47a799a3bf14826a7e8818ae965f5170590081195e97
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e25b667d727278544032a0553b0ce93d6634f27be4c5abb8b7f103337bc683e2
AgentTesla
+ 6'161 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-y3pv5ngg7n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
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

AveMariaRAT

z 6d4515ab24efe2786b010dba452a7ea5075b52b7e6dec98ceea3f674ecc0f5aa

AgentTesla

Executable exe b5983e7fb1701d1c79ca24d59270598cbd4c799322d4621c5862449916161af5

(this sample)

  
Dropped by
MD5 642d2d3e83dd01b550c58ba35bc8effa
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6d4515ab24efe2786b010dba452a7ea5075b52b7e6dec98ceea3f674ecc0f5aa
  
URLhaus
https://urlhaus.abuse.ch/url/364322/

Comments