MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85. 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: 875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85
SHA3-384 hash: 0b6814b5fa8cf2a6b0863207eb32823e4098985bc038f16c3fa1c95fdec8bdd19afaa4d23c8b2d1b744424d63bc4d9de
SHA1 hash: b4f61151dfcd4b7f62665324a661a517d1a0ec75
MD5 hash: 1f4cafd1b59f0a7b7bafb28e31c620aa
humanhash: jersey-spaghetti-indigo-shade
File name:payment receipt.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:525'824 bytes
First seen:2020-05-14 07:49:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:8XPGCqtXlhnJiLwlKCcjAZdA7Ck3Wy447OVvKT:m0XlhJgiKECGk7z7kvm
Threatray 10'999 similar samples on MalwareBazaar
TLSH E9B4DF1437BD4769E1BA9BF896A1A050CBB0761E30ADD3AE4DC154CF09D1F80CA96E37
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: nasstoys.com
Sending IP: 103.99.1.173
From: Ellen Holt <ellen@nasstoys.com>
Subject: RE: RE: Say hello to you on Special time
Attachment: payment receipt.zip (contains "payment receipt.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Artemis1F4CAFD1B59F.8060.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 08:32:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q5jzdifoduxrb6oajy42v3mmkwfm6d5226zcbumerhjfvlex76cq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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45bea748d6714e636270097d0dca1ec13a2442359b3b9bc09204cd73dfb4dae0
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89bd696df7073c78ebc27a60c79728b782ca27d1d82abc8b0d5aafea1d1d61d3
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d3e61ff0f9f172da1ba0f3e59ccdb7ea480a3e9ea6e141d134df6f421ff44cc8
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d9a20b5a29f7c7a81854af1fb1dfe50dc63ec6026d07d271b1d3be30b061ca0f
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f21d472a74c33a35138111341a52a7dd85dc6131c788fa79dfc17537626dc12b
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f397b3ef0807ca0679420810983797c017fb980df61b23ffd002299a2b502bd1
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f3b33a885af940210f10df7e1c96dc388161961dcb52b6d84c3b7458d20ce116
AgentTesla
+ 10'989 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-l6e4v5fzex/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
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
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
rezer0
ServiceHost packer
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 13ae46b9d4eeb73b8ac223e879e84d849c5a60564669ed8c8a8809f41b2e46da

AgentTesla

Executable exe 875391a0ae1d2f10f9c04e39aaed8c558acf0fbad7b220d18489d25aac97ff85

(this sample)

  
Dropped by
MD5 85b5d7ec13d7d293bfc034ae8312c094
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 13ae46b9d4eeb73b8ac223e879e84d849c5a60564669ed8c8a8809f41b2e46da

Comments