MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e45aa38e4f734a6b5e9d8e55d3b71b16e4ae389eb7c857bbdaa98fb47e1d9ef3. 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: e45aa38e4f734a6b5e9d8e55d3b71b16e4ae389eb7c857bbdaa98fb47e1d9ef3
SHA3-384 hash: dfa1feb193c65f78ebff3d11e76411bcf5c2ce54fe66a4c0f934ac6154a1bc229fe4d71659a56ffbbe552949f49057b4
SHA1 hash: 71b6e2d57e96f069bb27fc0e20dfa93c8a1eaa04
MD5 hash: 80dbc24d7db7989a9ab3cb46bdad3aa1
humanhash: missouri-kilo-magazine-fish
File name:80dbc24d7db7989a9ab3cb46bdad3aa1.exe
Download: download sample
Signature AsyncRAT
File size:695'808 bytes
First seen:2020-08-04 06:42:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 419fbe6e075aa65af76659d0d420ea2c (6 x AgentTesla, 6 x MassLogger, 1 x Pony)
ssdeep 12288:qz7VdBti8MLJ7B8xsYP2ExVZpL1EHvXUd+be2K5y9xVuFRrz8:qzZTtiz78xsYLZpm8Uqvdz8
Threatray 2'666 similar samples on MalwareBazaar
TLSH EDE48D23B2D04437C1732A3C9F1B9FB4983ABE11392899466BFB5C4C5F396523936297
Reporter abuse_ch
Tags:AsyncRAT exe nVpn RAT


Avatar
abuse_ch
AsyncRAT C2:
185.165.153.209:1990

Hosted on nVpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacyfirst.sh'

inetnum: 185.165.153.0 - 185.165.153.255
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-EU2
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2020-07-28T20:37:37Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Sending a UDP request
Connection attempt
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Maps a DLL or memory area into another process
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256576 Sample: lRprbZFsDc.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 71 Yara detected AntiVM_3 2->71 73 Yara detected AsyncRAT 2->73 75 Sigma detected: Drops script at startup location 2->75 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 2->77 14 lRprbZFsDc.exe 2->14         started        17 wscript.exe 1 2->17         started        process3 signatures4 101 Writes to foreign memory regions 14->101 103 Allocates memory in foreign processes 14->103 105 Queues an APC in another process (thread injection) 14->105 107 Contains functionality to detect sleep reduction / modifications 14->107 19 notepad.exe 5 14->19         started        23 dakfscec.exe 17->23         started        process5 file6 61 C:\Users\user\AppData\...\dakfscec.exe, PE32 19->61 dropped 63 C:\Users\...\dakfscec.exe:Zone.Identifier, ASCII 19->63 dropped 65 C:\Users\user\AppData\Roaming\...\web.vbs, ASCII 19->65 dropped 81 Creates files in alternative data streams (ADS) 19->81 83 Drops VBS files to the startup folder 19->83 25 dakfscec.exe 19->25         started        85 Maps a DLL or memory area into another process 23->85 28 dakfscec.exe 23->28         started        30 dakfscec.exe 3 23->30         started        signatures7 process8 signatures9 89 Detected unpacking (changes PE section rights) 25->89 91 Detected unpacking (creates a PE file in dynamic memory) 25->91 93 Detected unpacking (overwrites its own PE header) 25->93 95 2 other signatures 25->95 32 dakfscec.exe 2 25->32         started        35 dakfscec.exe 25->35         started        37 dakfscec.exe 28->37         started        process10 dnsIp11 67 185.165.153.209, 1990, 49719, 49736 DAVID_CRAIGGG Netherlands 32->67 69 192.168.2.7, 1990, 443, 49451 unknown unknown 32->69 87 Maps a DLL or memory area into another process 37->87 40 dakfscec.exe 37->40         started        42 dakfscec.exe 2 37->42         started        signatures12 process13 process14 44 dakfscec.exe 40->44         started        signatures15 99 Maps a DLL or memory area into another process 44->99 47 dakfscec.exe 44->47         started        49 dakfscec.exe 44->49         started        process16 process17 51 dakfscec.exe 47->51         started        signatures18 79 Maps a DLL or memory area into another process 51->79 54 dakfscec.exe 51->54         started        56 dakfscec.exe 51->56         started        process19 process20 58 dakfscec.exe 54->58         started        signatures21 97 Maps a DLL or memory area into another process 58->97
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-08-04 06:44:07 UTC
AV detection:
41 of 48 (85.42%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
upx rat family:asyncrat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
NTFS ADS
Suspicious use of SetThreadContext
Loads dropped DLL
Drops startup file
Executes dropped EXE
UPX packed file
Async RAT payload
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.

Web download

AsyncRAT

Executable exe e45aa38e4f734a6b5e9d8e55d3b71b16e4ae389eb7c857bbdaa98fb47e1d9ef3

(this sample)

  
Delivery method
Distributed via web download

Comments