MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f801a919b56a279b01919f97ef89dd0543f6bd56ea922af9942e5cd80d0798bd. 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


AsyncRAT


Vendor detections: 7


Intelligence 7 IOCs YARA 1 File information Comments
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SHA256 hash: f801a919b56a279b01919f97ef89dd0543f6bd56ea922af9942e5cd80d0798bd
SHA3-384 hash: c54ae4ae6dd630bc6a0512dbbdce8e404539e055b384c1c156aee29afa27341956bb60511e75b2345920874dbd10a41f
SHA1 hash: ec77c64df13c28f34a8d3a6405ca4d9767bbc5ea
MD5 hash: 565bc391081fc35d0cd305a39ae2d0a0
humanhash: colorado-chicken-william-bakerloo
File name:PO#12-2072020,xls.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:446'976 bytes
First seen:2020-07-20 07:21:03 UTC
Last seen:2020-07-20 08:10:35 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 6144:zlq6KltUaGkL2GsezicLAeNr9RB1iixSbV+d+Vz:zMfUaGWFj7+WY+oB
Threatray 552 similar samples on MalwareBazaar
TLSH 51947F1C7F5F9C38F4ADB93DA5D090608163BF2528D39535248EE20ADB32E8559F2D2B
Reporter abuse_ch
Tags:AsyncRAT RAT scr


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: cloudhost-77554.us-midwest-1.nxcli.net
Sending IP: 209.126.25.95
From: TIAN <info@asiainwest.com>
Subject: PO#12-2072020
Attachment: PO12-2072020.xz (contains "PO#12-2072020,xls.scr")

AsyncRAT C2:
206.123.129.103:5456

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.Njrat.12920.6614.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file in the %temp% subdirectories
Reading critical registry keys
Creating a file
Deleting a recently created file
Reading Telegram data
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a TCP request to an infection source
Stealing user critical data
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/390904
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247567 Sample: PO#12-2072020,xls.scr Startdate: 20/07/2020 Architecture: WINDOWS Score: 92 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AntiVM_3 2->41 43 Yara detected AsyncRAT 2->43 45 3 other signatures 2->45 7 PO#12-2072020,xls.exe 5 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 29 C:\Users\user\Music\Memu.exe, PE32 7->29 dropped 31 C:\Users\user\...\Memu.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\...\PO#12-2072020,xls.exe.log, ASCII 7->33 dropped 35 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->35 dropped 14 cmd.exe 1 7->14         started        16 Memu.exe 7->16         started        18 Memu.exe 1 10->18         started        process5 signatures6 21 reg.exe 1 1 14->21         started        24 conhost.exe 14->24         started        26 InstallUtil.exe 4 16->26         started        47 Multi AV Scanner detection for dropped file 18->47 49 Machine Learning detection for dropped file 18->49 process7 dnsIp8 51 Creates an autostart registry key pointing to binary in C:\Windows 21->51 37 206.123.129.103, 49711, 5456 VOXILITYGB United States 26->37 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f801a919b56a279b01919f97ef89dd0543f6bd56ea922af9942e5cd80d0798bd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-19 23:57:21 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7aa2sgnvnitzwamrt6l67co5avb7npkw5kjcv6mufzonqdihtc6q._file
Verdict:
suspicious
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AsyncRAT
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a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
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aa9c8f532405507cb8a00d6c0d4ecd6888df2524037cde8d3d6fb33ff52bfb91
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abf47c435677a41483b6390b005cc01939197f9ee5666c1c3f7d8b822ad36439
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c2e6a6a4dcceeb65c2b769b92223c4b5c6de325709146391a4863dd56f4eb3d1
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f0e0f6dc0ab4b552d2e5fd7053c5c57c7e6c6f21a11fe34da5fd9a01f0b24753
AsyncRAT
+ 542 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
rat persistence family:asyncrat
Link:
https://tria.ge/reports/200720-krhqh53nps/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f801a919b56a279b01919f97ef89dd0543f6bd56ea922af9942e5cd80d0798bd

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:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AsyncRAT

xz 6b375e4cf9058fcd05d2891af63dc7b8efd3d7883cc1b4e219f3a186a05cdb14

AsyncRAT

Executable exe f801a919b56a279b01919f97ef89dd0543f6bd56ea922af9942e5cd80d0798bd

(this sample)

  
Dropped by
MD5 c5c325a8afd2daff45e5bd0ee96b7c08
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28535/
  
Dropped by
SHA256 6b375e4cf9058fcd05d2891af63dc7b8efd3d7883cc1b4e219f3a186a05cdb14

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