MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bae9525da615b1f37bf7e26c803d9e7d62a0ebab23a13baf5a7679a797f92611. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bae9525da615b1f37bf7e26c803d9e7d62a0ebab23a13baf5a7679a797f92611
SHA3-384 hash: 51a3e741486cd55b783d2e08a95480bc89e72056f0382e1c0076f5828dd9eccac5e904831c4542e1ae06effcf8f5c5e3
SHA1 hash: ffed813079d7aca64c2fd6eb7b9f3272bd934867
MD5 hash: 58120463fc02f76365004b4c759b835e
humanhash: pasta-helium-mountain-papa
File name:PO 452-14082020,Pdf.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:457'216 bytes
First seen:2020-08-14 10:25:31 UTC
Last seen:2020-08-14 11:01:42 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 6144:3S1SEFW0bkYJyWA80Kr+0eWPpqJikWU9Bswz+3meeKNf:3S1s0bkz0GJb9BsNmeeK
TLSH 10A4096176D04C59CC1903395878AE8272273F697EE0C71FA597735A6F7328B2B22C1E
Reporter abuse_ch
Tags:AsyncRAT RAT scr


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: cloudhost-357400.us-midwest-1.nxcli.net
Sending IP: 104.207.254.169
From: Angela <otraco@otraco.it>
Subject: PO 452-14082020-URGENTE
Attachment: PO 452-14082020.IMG (contains "PO 452-14082020,Pdf.scr")

Intelligence

File Origin
# of uploads :
2
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45806/
Detection(s):
SecuriteInfo.com.Generic.mg.58120463fc02f763.7876.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/429428
Signature
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Injects a PE file into a foreign processes
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267194 Sample: PO 452-14082020,Pdf.scr Startdate: 16/08/2020 Architecture: WINDOWS Score: 68 40 Yara detected AsyncRAT 2->40 42 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->42 7 PO 452-14082020,Pdf.exe 7 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 dnsIp4 38 192.168.2.1 unknown unknown 7->38 30 C:\Users\user\Musicthernert.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->32 dropped 34 C:\Users\...thernert.exe:Zone.Identifier, ASCII 7->34 dropped 15 Ethernert.exe 2 7->15         started        18 cmd.exe 1 7->18         started        20 Ethernert.exe 3 11->20         started        file5 process6 signatures7 46 Writes to foreign memory regions 15->46 48 Allocates memory in foreign processes 15->48 50 Injects a PE file into a foreign processes 15->50 22 InstallUtil.exe 2 15->22         started        25 reg.exe 1 1 18->25         started        28 conhost.exe 18->28         started        process8 dnsIp9 36 206.123.129.103, 5456 VOXILITYGB United States 22->36 44 Creates an autostart registry key pointing to binary in C:\Windows 25->44 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bae9525da615b1f37bf7e26c803d9e7d62a0ebab23a13baf5a7679a797f92611/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 10:27:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xluvexngcwy7g67x4jwiapm6pvrkb25leoqtxl22oz42pf7zeyiq._file
Verdict:
suspicious
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
rat persistence family:asyncrat
Link:
https://tria.ge/reports/200814-5gty8qjqza/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bae9525da615b1f37bf7e26c803d9e7d62a0ebab23a13baf5a7679a797f92611

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

img cc3ba0ea2c22b6cff5b79878a0e8ff43f4f678d8cb8de97944474dce01e033db

AsyncRAT

Executable exe bae9525da615b1f37bf7e26c803d9e7d62a0ebab23a13baf5a7679a797f92611

(this sample)

  
Dropped by
MD5 d8e2801cd342409129b6fb9aa134ad8f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45806/
  
Dropped by
SHA256 cc3ba0ea2c22b6cff5b79878a0e8ff43f4f678d8cb8de97944474dce01e033db

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