MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1858aba49bc3b6bc7df3c70d3e70f3c14c747d5b267d2be366220c3c300219ca. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1858aba49bc3b6bc7df3c70d3e70f3c14c747d5b267d2be366220c3c300219ca
SHA3-384 hash: d2f850c902b960c8e9af07950ff2bcb38e1a5edbaa2d886c1cecd2cfff78bc8c1d67dcfe27f14cdf531dd38a5ee794ba
SHA1 hash: f9e8888673dd7465dcf633c6b711d99f4bd9f678
MD5 hash: 761e34c09293f429b26fa9b08a942746
humanhash: butter-east-mississippi-muppet
File name:Xeron_Scan16022020.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:524'800 bytes
First seen:2021-02-16 18:48:31 UTC
Last seen:2021-02-16 21:08:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:/yHANgm25FmSEd5xO3onVmpOTq5rBByho7:/bgiS5NE
Threatray 605 similar samples on MalwareBazaar
TLSH B7B428621344D74CE07ED7F4E014C8B04BE2FE06F765D70BBF98799B26B5A804262A9D
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: ded2965.inmotionhosting.com
Sending IP: 104.152.108.206
From: Gurvinder Sahni <gs@sahnilaw.com>
Subject: New Title Request - Dysna to Singh & Kaur / 1009 Lynn Drive, Valley Stream
Attachment: Xeron_Scan16022020.img (contains "Xeron_Scan16022020.exe")

AsyncRAT C2:
severdops.ddns.net:6204

Intelligence

File Origin
# of uploads :
2
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117399/
Detection(s):
SecuriteInfo.com.ArtemisTrojan.7709.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/609339
Signature
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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 AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1858aba49bc3b6bc7df3c70d3e70f3c14c747d5b267d2be366220c3c300219ca/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-02-16 18:49:07 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dbmkxje3yo3ly7pty4gt44htyfghi7k3ez6sxy3geigdymacdhfa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
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395fdb688d7d8085e2636fb26e7e4d5004ae3ec20db26edeee1e0a19d5872e07
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867eb496d9f6122024560c00e0a2fde238fed90558dd0b4b838047c8eed8196c
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8dd3b9fb0158903433d23f879d07820b8110a4b6417f3deda72342c2f698384e
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b465151f3d0ce34aad5f35ff2647138b763f133e75d01336e9191185f58b0931
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c853a4beac9f6fcea2bb9ad13b17eafd6605cac76899edbecd88d4f981d9f432
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e452ae28b674ac4715a811e24d502948e94489ccb1ed14ca49d3ed8ab395f85c
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fc926b2871dc293ad75ff0caf3863adc75b9342a34c1965c3991f512a2f666c8
AsyncRAT
+ 595 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210216-3rk7ndz4xj/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
severdops.ddns.net:6204
Unpacked files
SH256 hash:
b2499a2af35b550fbe7f541a14ff1225e1202324f351eecf85de6c8e9fc7c27c
MD5 hash:
5e732e4265622675313195dead01047e
SHA1 hash:
359c710a93c2f58cdc2a45de8dd48a6884a70645
Link:
https://www.unpac.me/results/4173dfcc-3cd3-48c7-9f38-8521cbd5be5a/
SH256 hash:
1858aba49bc3b6bc7df3c70d3e70f3c14c747d5b267d2be366220c3c300219ca
MD5 hash:
761e34c09293f429b26fa9b08a942746
SHA1 hash:
f9e8888673dd7465dcf633c6b711d99f4bd9f678
Link:
https://www.unpac.me/results/4173dfcc-3cd3-48c7-9f38-8521cbd5be5a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/1858aba49bc3b6bc7df3c70d3e70f3c14c747d5b267d2be366220c3c300219ca

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:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
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.

Malspam

AsyncRAT

img 718e1b1c1e3aaa59a0bed1053d3c33a2fdb2d33cce2027f35a120d23d3a206a8

AsyncRAT

Executable exe 1858aba49bc3b6bc7df3c70d3e70f3c14c747d5b267d2be366220c3c300219ca

(this sample)

  
Dropped by
MD5 2a81313642b9c1be94ae11c0db3756e5
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/117399/
  
Dropped by
SHA256 718e1b1c1e3aaa59a0bed1053d3c33a2fdb2d33cce2027f35a120d23d3a206a8

Comments