MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3bc701b864cc3fffdb154ed410de8f893cc31b577e7df78347742a8ab15ce9ef. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3bc701b864cc3fffdb154ed410de8f893cc31b577e7df78347742a8ab15ce9ef
SHA3-384 hash: a3d081fe656b04789381cb600632e758c5fc89ee2e384b83275f193456fcb50af15fca9d2e6e3c2686257273603fc5ff
SHA1 hash: 2a85497a77928068a064674237610b6a9bb7aed9
MD5 hash: 338046b4bd5337aa3d6ccea6b45c7950
humanhash: crazy-nineteen-shade-leopard
File name:338046b4bd5337aa3d6ccea6b45c7950.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:100'864 bytes
First seen:2021-01-01 08:02:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 1536:fuoodT1LoZ2Caq3sbZbkEdMLud5ChiH0hLP+VVVVVVVVVVVVVVVVVVVVVVVVVSvS:fuoETxoZ2fYsbZbkzLu/bH0hLNL2
Threatray 538 similar samples on MalwareBazaar
TLSH 90A3284136B65232EFA5C63794A284B5893B7F22233EC43D2C91BE7725F27847842CB5
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
338046b4bd5337aa3d6ccea6b45c7950.exe
Verdict:
Suspicious activity
Analysis date:
2021-01-01 08:02:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dcc3f598-9a8f-46bf-865c-1399244d2278

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/110216/
Detection(s):
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
Connection attempt
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/572752
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 335439 Sample: TF5wEGc1Fp.exe Startdate: 01/01/2021 Architecture: WINDOWS Score: 100 36 cdn.onenote.net 2->36 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected AsyncRAT 2->48 50 5 other signatures 2->50 8 TF5wEGc1Fp.exe 7 2->8         started        12 Explorer.exe 3 2->12         started        signatures3 process4 file5 30 C:\Users\user\AppData\Roamingxplorer.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\...\tmpAC73.tmp.bat, DOS 8->32 dropped 34 C:\Users\user\AppData\...\TF5wEGc1Fp.exe.log, ASCII 8->34 dropped 54 Drops PE files with benign system names 8->54 14 cmd.exe 1 8->14         started        16 cmd.exe 1 8->16         started        56 Antivirus detection for dropped file 12->56 58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 signatures6 process7 process8 18 Explorer.exe 15 2 14->18         started        22 conhost.exe 14->22         started        24 timeout.exe 1 14->24         started        26 conhost.exe 16->26         started        28 schtasks.exe 1 16->28         started        dnsIp9 38 45.144.31.52, 7779 HQservCommunicationSolutionsIL United Kingdom 18->38 40 pastebin.com 104.23.99.190, 443, 49739 CLOUDFLARENETUS United States 18->40 42 192.168.2.1 unknown unknown 18->42 52 System process connects to network (likely due to code injection or exploit) 18->52 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3bc701b864cc3fffdb154ed410de8f893cc31b577e7df78347742a8ab15ce9ef/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-12-27 18:00:00 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hpdqdodezq777wyvj3kbbxupre6mgg2xpz67pa2hoqvivmk45hxq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0a9e7542b65b3a7c5e1a11a2b23c2366fd53bff3205bb9d1656d4e32d1f0068b
AsyncRAT
2265d18a36231a2141dc86a9dd49ef5538ab7f0509cad1459e5d11ccaeb15020
AsyncRAT
2c8c5c5e5990da4a2af218cfece6afda3f4830be6605b9767adbfbde2e5cd276
AsyncRAT
395fdb688d7d8085e2636fb26e7e4d5004ae3ec20db26edeee1e0a19d5872e07
AsyncRAT
65c205b93cf9c6d9e9acd5336e010a43309688bfc2e28cffbb5ba8973757fd49
AsyncRAT
68bf0a42854ac13fe13a75bb213f51934a3edc0fa7a0732ddb12a68699619474
AsyncRAT
867eb496d9f6122024560c00e0a2fde238fed90558dd0b4b838047c8eed8196c
AsyncRAT
8dd3b9fb0158903433d23f879d07820b8110a4b6417f3deda72342c2f698384e
AsyncRAT
c853a4beac9f6fcea2bb9ad13b17eafd6605cac76899edbecd88d4f981d9f432
AsyncRAT
fc926b2871dc293ad75ff0caf3863adc75b9342a34c1965c3991f512a2f666c8
AsyncRAT
+ 528 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210101-69tff3667n/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
3bc701b864cc3fffdb154ed410de8f893cc31b577e7df78347742a8ab15ce9ef
MD5 hash:
338046b4bd5337aa3d6ccea6b45c7950
SHA1 hash:
2a85497a77928068a064674237610b6a9bb7aed9
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/2920e5cf-0dd9-49d4-8414-21f6fc58a561/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3bc701b864cc3fffdb154ed410de8f893cc31b577e7df78347742a8ab15ce9ef

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.

Web download

AsyncRAT

Executable exe 3bc701b864cc3fffdb154ed410de8f893cc31b577e7df78347742a8ab15ce9ef

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/946159/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/946200/
Cape
Cape
https://www.capesandbox.com/analysis/110216/

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