MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fa407bb5df8b443b6a7af6731e5b525f7f70742e269ffc91c56c6675b53b44b. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fa407bb5df8b443b6a7af6731e5b525f7f70742e269ffc91c56c6675b53b44b
SHA3-384 hash: aaf3270e64a7cb9cdccf7188f102f6d6e70e3169002ff334b28bdca7d7ae3b9677ed1813f8b07a4a605722cd3ca34933
SHA1 hash: 185187883b90249b3e4f7668221906c224aaf014
MD5 hash: f7bd0dab4199996a9a27e4e80689d34a
humanhash: golf-nitrogen-wisconsin-burger
File name:Order_097663899.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:417'792 bytes
First seen:2020-06-26 07:01:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:KeQ0Rvx0HGe+/yLcJNNFC9/Sd72EhfBUVkYxCevoBjlVR5rUx/xQw9TILK/2y67:KeHvx05TkrFC+2sBUVkvrzUxSwwy67
Threatray 10'596 similar samples on MalwareBazaar
TLSH AD94E00522AD8717CC7903FCF064625943BBB51A64D2D2580EDA21DFBD6B78743A3AE3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gmail.com
Sending IP: 95.211.208.52
From: "Amy Zhang"<podnic.aleksandra@gmail.com >
Subject: PO - RFQ # 097663899 NEW ORDER
Attachment: Order_097663899.iso (contains "Order_097663899.exe")

AgentTesla SMTP exfil server:
smtp.ociii.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/14653/
Detection(s):
SecuriteInfo.com.Generic.mg.f75bcb16ae21df7e.11718.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Unauthorized injection to a system process
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fa407bb5df8b443b6a7af6731e5b525f7f70742e269ffc91c56c6675b53b44b/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-06-26 00:40:14 UTC
AV detection:
23 of 31 (74.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d6sapo257c2ehnvhv5ttdznvex37ob2c4ju77si4k3dgow2twrfq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8dd103e61c00d73a45a6f3ada98377db7279e0421a1319bac86b78a081c39d4d
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b4d253fd7bee0ac5be341956d6dcce635957111e207bfee5af0fa9067b066bcb
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AgentTesla
+ 10'586 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200626-v6rndb69q2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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

iso a2365d74650bf986907aac43850c0d5cce7b2f6c49575a2b9017cef6e2623704

AgentTesla

Executable exe 1fa407bb5df8b443b6a7af6731e5b525f7f70742e269ffc91c56c6675b53b44b

(this sample)

  
Dropped by
MD5 32c07ba39eefb0498cc9e415b6a4f1f1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14653/
  
Dropped by
SHA256 a2365d74650bf986907aac43850c0d5cce7b2f6c49575a2b9017cef6e2623704

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