MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7623519a30d274a1587ff9822c506535dcb72fd773a4a960cc5fe9c4b7a9a0f4. 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

SHA256 hash: 7623519a30d274a1587ff9822c506535dcb72fd773a4a960cc5fe9c4b7a9a0f4
SHA3-384 hash: 31bf586ee331aaf1fd9a35d5b834181fb320cc4716783022434707cc019c332c4a0ae51e15125f44301a9bc59d1259c5
SHA1 hash: 1ba20fd3940998c87f84337e064f568f91c1a56d
MD5 hash: 565c7b4e8a996fe387749cbe385c8987
humanhash: oven-kentucky-mississippi-white
File name:PROOF OF PAYMENT.exe
Download: download sample
Signature AsyncRAT
File size:681'472 bytes
First seen:2020-08-04 12:58:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:vS7HcPgYxmOE+2Do4pPeRH89ffaAh14C1G48RDVj:dIYxPeVZl5aQ13G4GV
Threatray 298 similar samples on MalwareBazaar
TLSH 56E48DC2F5409D51D82A4E3B8C3359914B33AC6BEF02C607349CB6596BF72966A35F83
Reporter abuse_ch
Tags:AsyncRAT exe nVpn RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: smtp2.orange.ci
Sending IP: 196.201.64.69
From: Ingrid Fred <lamtogeo@aviso.ci>
Reply-To: Ingrid Fred <shawnggd@gmail.com>
Subject: Proof Of Payment
Attachment: PROOF OF PAYMENT 1.UUE (contains "PROOF OF PAYMENT.exe")

AsyncRAT C2:
ansrt.duckdns.org:2190 (79.134.225.73)

Pointing to nVpn:

% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-04 13:00:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
rat family:asyncrat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
AsyncRat
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:win_asyncrat_j1
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.

b1f39918f8d075952f7c9a498e57ed2b

AsyncRAT

Executable exe 7623519a30d274a1587ff9822c506535dcb72fd773a4a960cc5fe9c4b7a9a0f4

(this sample)

  
Dropped by
MD5 b1f39918f8d075952f7c9a498e57ed2b
  
Delivery method
Distributed via e-mail attachment

Comments