MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3
SHA3-384 hash: 14283790338a78b17dc0638ef6cf5caaf7b00d2d5b099f1ca6baeb44328c892ed307f58c3929f027f51ef1b9d1c68050
SHA1 hash: 71fa0b5ef7ce278567db1cde7b7475a6daab6a7e
MD5 hash: 04cf0d7561f732626a3c827476329208
humanhash: alanine-london-mississippi-mobile
File name:pgBX012R.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:46'592 bytes
First seen:2020-11-04 22:17:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 768:ZuK49TH4EjZWUR+ejmo2qrp9aDJePI6zjbwgX3iguW4QiKodBDZj4y:ZuK49THf52Wwn63b3XSyXyzdEy
Threatray 415 similar samples on MalwareBazaar
TLSH 8A232A003BE9C127F2BE5F7899F26145867AB1633603D54E1CC451DB5B23BC68A42AFE
Reporter pmelson
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/83015/
Detection(s):
Win.Packed.Samas-8025724-0
Create hunting rule

Win.Packed.Razy-9625918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/520720
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309457 Sample: pgBX012R.exe Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 5 other signatures 2->40 7 officee.exe 1 2 2->7         started        11 pgBX012R.exe 7 2->11         started        process3 dnsIp4 32 pounds1990.duckdns.org 155.94.198.169, 1990, 49722, 49726 ASN-QUADRANET-GLOBALUS United States 7->32 42 Antivirus detection for dropped file 7->42 44 Machine Learning detection for dropped file 7->44 46 Tries to harvest and steal browser information (history, passwords, etc) 7->46 28 C:\Users\user\AppData\Roaming\officee.exe, PE32 11->28 dropped 30 C:\Users\user\AppData\...\pgBX012R.exe.log, ASCII 11->30 dropped 14 cmd.exe 1 11->14         started        16 cmd.exe 1 11->16         started        file5 signatures6 process7 process8 18 officee.exe 3 14->18         started        20 conhost.exe 14->20         started        22 timeout.exe 1 14->22         started        24 conhost.exe 16->24         started        26 schtasks.exe 1 16->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-11-05 00:04:15 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wcdkr3kft4dk34i43loluywgrhaxrf2qmnsz4224cu4ejupsllbq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
430bbefe89bad382de0a7831e7afc238f397a930a235d208585fb2bfb0b950bc
AsyncRAT
7caf87ac1666f10cbbff4cc01d51ec4df556908b2d8d55d5c4f0f3724dceded1
AsyncRAT
862b45e2c98a175f625797db1d3342e0d9dc35b79e3386deb42c06b1918867d9
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
bcb474ac919440674135c673d8c6a0fc8015a63a15b2849c3346f74a716b5249
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
d82330b1d9bfbebbff4d21e9ddd0f86e90ed27031ba29557587d182246301ee5
AsyncRAT
d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
AsyncRAT
f0006754d451556014c91039915ea9505f348f80538e536d30b75c5ef252d73d
AsyncRAT
f9cff9e6050b1536e55014e7eafdc8827fb237e9235ff60265c5d1afaa5d5e6e
AsyncRAT
+ 405 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/201104-aje3y1pben/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
pounds1990.duckdns.org:1990
Unpacked files
SH256 hash:
b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3
MD5 hash:
04cf0d7561f732626a3c827476329208
SHA1 hash:
71fa0b5ef7ce278567db1cde7b7475a6daab6a7e
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/a3d5c36d-6eee-4122-b68b-fbc2d501ab8c/
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:asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information

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

Web download

AsyncRAT

Executable exe b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3

(this sample)

  
Link
https://www.virustotal.com/gui/file/b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/83015/

Comments