MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5a5496a087487b0d0d6a7e899a6b2e6a337ae2afd09c2417b49457d31f44096. 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: b5a5496a087487b0d0d6a7e899a6b2e6a337ae2afd09c2417b49457d31f44096
SHA3-384 hash: 1600675eb5cc9e759d609e65a55ed3affd5a3abe5e04d360362c32b5d4420e6588ee063b89e7ee5442f912990820f9b8
SHA1 hash: 8951d292da3ac825009d6e541745e9bf107e0974
MD5 hash: 314477e6c4da6b6a858dd5b5debbd234
humanhash: leopard-carpet-island-bluebird
File name:Shipping documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:462'336 bytes
First seen:2020-05-13 16:24:10 UTC
Last seen:2020-05-13 17:07:06 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:AKra/lZJ7h01AJJ7trnphaVaCt65rvM6hBiZhXb:5atZ1h0qJxjhiaD5rvk
Threatray 10'552 similar samples on MalwareBazaar
TLSH 60A4CFAC762076DFC81BC97AD9A42C64AB6034B7530BD243D05315EEAA1DA97CF244F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: noblegrain.com
Sending IP: 103.99.2.4
From: sprabhudesai@noblegrain.com
Subject: Re:SHIPPING DOCUMENT/PROFORMA INVOICE AND PACKING LIST
Attachment: Shipping documents.zip (contains "Shipping documents.exe")

AgentTesla SMTP exfil server:
cpcl27.hostingcare.net:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.1335.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-13 15:28:38 UTC
File Type:
PE (.Net Exe)
AV detection:
26 of 31 (83.87%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwsus2qiosd3bugwu7ujtjvs42rtplrk7ue4eql3jfcx2mpuicla._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1b4edda8f293ac8fba3e2bc1bf84406f61213e1f91f369f344cfcf755867ec6e
AgentTesla
2c96b6799b4a15f6cd01ae6aabae3181b13d128b7b085854c77ee71253139040
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5e37428076ebddc97b1c89132e8134a21c9076b1fcb8846a07692ba19317f24d
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6824c4afb5e56e0c2b3e0b89a4acde70bcc2bd792334a6600225e623162ae621
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728d9b3b25281e165e7f4643af976ac4cf74c756de2c4f21415aa9f70daeb7c5
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94fcc8c7fd53c5463c0d33d1f74b5c7c8c0ae95ef097477958acb9df1ae5a15e
AgentTesla
9ff16ce8c4c4391af430eedc58a23ea4d004c597a7ee79790896bdff9abe7700
AgentTesla
a3760f3c734ba4405374e8bc717b5472198fd3382aaaf1a89e33c8ca7b5b3d3f
AgentTesla
b9f1a9cdb6f068f9222b8cd906ed162d74be5662bb9dbad5540d8cc51d1a4e6a
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fc76738502b9ea3a504a2ec2b5e5b3a5931f3fb45a83256402468fb01f310e8a
AgentTesla
+ 10'542 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-a4wk5nl62e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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

zip 9999a39811e50709e6123989e5a6330e5ed63d17527e6992585c3c7a73224ec7

AgentTesla

Executable exe b5a5496a087487b0d0d6a7e899a6b2e6a337ae2afd09c2417b49457d31f44096

(this sample)

  
Dropped by
MD5 a84adac9c52f8ac8ee0b4fb11f91ee86
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 9999a39811e50709e6123989e5a6330e5ed63d17527e6992585c3c7a73224ec7

Comments