MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 238c224cf8d0b76532ae16f8a8d2682436a176909f382b8747e418f42ccaedeb. 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 File information Comments

SHA256 hash: 238c224cf8d0b76532ae16f8a8d2682436a176909f382b8747e418f42ccaedeb
SHA3-384 hash: 505917e7421a6a7dad6be6bb925e4060000babbf2da9e2c52b2fef376566da6a3f9cafaa28611aff791a43f3324c212a
SHA1 hash: 6e5a056761a54e173601c57e26d867789707722e
MD5 hash: b4891e094082425b62776b6c7413f0e5
humanhash: eight-fillet-lion-pip
File name:Invoice.exe
Download: download sample
Signature AsyncRAT
File size:547'865 bytes
First seen:2020-07-20 08:29:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 12288:Ued+RQ21hGU0E5NhHbpvc1oaS1RkvppSC8MVR:Z+RbXB0Kv7iopSpSC8Mr
Threatray 560 similar samples on MalwareBazaar
TLSH 3CC4E102FAD184B2E6721D321D7967116B7CB6341E24CB2FB7C44C6DDE71092AA25FA3
Reporter abuse_ch
Tags:AsyncRAT exe nVpn RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: server0.wynntrade.pw
Sending IP: 159.203.186.80
From: hetaojinhu@hxb.com.cn<sales@wynntrade.pw>
Subject: Accountant, Huaxia Bank
Attachment: Invoice.zip.7z (contains "Invoice.exe")

AsyncRAT C2:
194.5.98.81:3434

Hosted on nVpn:

% Information related to '194.5.98.0 - 194.5.98.255'

% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@privacyfirst.sh'

inetnum: 194.5.98.0 - 194.5.98.255
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.
netname: PRIVACYFIRST-NOR
country: NO
descr: Sandefjord
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-04-26T16:42:54Z
last-modified: 2020-07-14T18:04:10Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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:
Unknown
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247873 Sample: Invoice.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 64 35 Multi AV Scanner detection for submitted file 2->35 37 Initial sample is a PE file and has a suspicious name 2->37 8 Invoice.exe 11 2->8         started        process3 file4 27 C:\Users\user\AppData\...\svchosts.sfx.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Local\Temp\...\avd.exe, PE32 8->29 dropped 11 cmd.exe 1 8->11         started        13 avd.exe 8 8->13         started        process5 signatures6 16 svchosts.sfx.exe 11->16         started        19 conhost.exe 11->19         started        39 Multi AV Scanner detection for dropped file 13->39 21 cmd.exe 1 13->21         started        23 conhost.exe 13->23         started        process7 signatures8 31 Multi AV Scanner detection for dropped file 16->31 33 Machine Learning detection for dropped file 16->33 25 reg.exe 1 21->25         started        process9
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2020-07-20 08:31:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Loads dropped DLL
Executes dropped EXE
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AsyncRAT

Executable exe 238c224cf8d0b76532ae16f8a8d2682436a176909f382b8747e418f42ccaedeb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments