MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecfaef9e7fc7c83be8beedfcbef268c3d5a91a904ed211fa553c9e9b6aaa9c42. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecfaef9e7fc7c83be8beedfcbef268c3d5a91a904ed211fa553c9e9b6aaa9c42
SHA3-384 hash: ad2206ed1c194f2dbfa25c58530ea1b34e397cb94a3a5621431da51bdb58fcdc02616cdcd5ec055eaebe548f6f82bdb5
SHA1 hash: 4290e8776f135b3f768f0ef219a41f40d58f96e6
MD5 hash: eb847438f988c2a2d52bcf0f0b439980
humanhash: connecticut-nuts-maine-king
File name:eb847438f988c2a2d52bcf0f0b439980
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:48'640 bytes
First seen:2021-08-27 06:13:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:D89DILA+Es+bii/ji5gnYbFSgesc9Z0vEgK/J3ZVc6KN:D8DUiVYb/LcL0nkJ3ZVclN
Threatray 1'201 similar samples on MalwareBazaar
TLSH T1CC235D403BD8C13AF2BD87B4ADF292058275D6276903C65D6CC825EA2B13BC596436FE
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
eb847438f988c2a2d52bcf0f0b439980
Verdict:
Malicious activity
Analysis date:
2021-08-27 06:16:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/102bbc0e-8df1-4f5c-bd59-bdfeac59af59

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/182801/
Detection(s):
Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Malware.Enigmaprotector-9874743-0
Create hunting rule

Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Connection attempt
DNS request
Sending a custom TCP request
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ebf81912-4c16-43f5-8d06-49b8aa846f50
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/840200
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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: 472630 Sample: AtShUI90s8 Startdate: 27/08/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 6 other signatures 2->43 7 Chrome.exe 2 2->7         started        11 AtShUI90s8.exe 7 2->11         started        process3 dnsIp4 33 chromeclusterspectr.ddns.net 179.43.187.164, 49704, 54842 PLI-ASCH Panama 7->33 35 127.0.0.1 unknown unknown 7->35 45 Antivirus detection for dropped file 7->45 47 Multi AV Scanner detection for dropped file 7->47 49 Machine Learning detection for dropped file 7->49 29 C:\Users\user\AppData\Roaming\Chrome.exe, PE32 11->29 dropped 31 C:\Users\user\AppData\...\AtShUI90s8.exe.log, ASCII 11->31 dropped 14 cmd.exe 1 11->14         started        17 cmd.exe 1 11->17         started        file5 signatures6 process7 signatures8 51 Uses schtasks.exe or at.exe to add and modify task schedules 14->51 19 conhost.exe 14->19         started        21 schtasks.exe 1 14->21         started        23 Chrome.exe 3 17->23         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ecfaef9e7fc7c83be8beedfcbef268c3d5a91a904ed211fa553c9e9b6aaa9c42/
Threat name:
ByteCode-MSIL.Hacktool.CapMouse
Create hunting rule
Status:
Malicious
First seen:
2021-08-27 06:14:10 UTC
AV detection:
33 of 46 (71.74%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
12f2e964639c39076f29196264c1dcbd3792eaaaa77aca14986a802a122b341b
AsyncRAT
25e21f55b7fbffe0d90e6845044e3e907964a5c278f29fcd1cf0fff9916a2ac3
AsyncRAT
486b4fcc5a6e4f4e949aa11aa3f2e9d8d2075ac8445617af8c41ab214f6dbfa0
AsyncRAT
4f7e6260b30d732b40936166544b75d8ff162f9c75c73d1f7cd37a7e0d3189d0
AsyncRAT
51e4dce11e58aa2be5d3c73056bf45652de5032dcb29636b28f2c1659df135db
AsyncRAT
61824b191d00e5bfa96a2bfb0da8c98e5fbfa5670da92abbc49d247e7e8e3650
AsyncRAT
a738901fe0f246517e9d1b60c7df29cc9ff4db2ff588e5e28f9bf7e6ff3267a0
AsyncRAT
+ 1'191 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210827-ky14qm99bn/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
ecfaef9e7fc7c83be8beedfcbef268c3d5a91a904ed211fa553c9e9b6aaa9c42
MD5 hash:
eb847438f988c2a2d52bcf0f0b439980
SHA1 hash:
4290e8776f135b3f768f0ef219a41f40d58f96e6
Link:
https://www.unpac.me/results/65acc027-35f0-4e40-b261-e79ac6402f13/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ecfaef9e7fc7c83be8beedfcbef268c3d5a91a904ed211fa553c9e9b6aaa9c42

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:INDICATOR_SUSPICIOUS_EXE_B64_Artifacts
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding bas64-encoded APIs, command lines, registry keys, etc.
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AsyncRAT

Executable exe ecfaef9e7fc7c83be8beedfcbef268c3d5a91a904ed211fa553c9e9b6aaa9c42

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/182801/
  
URLhaus
https://urlhaus.abuse.ch/url/1568583/

Comments


Avatar
zbet commented on 2021-08-27 06:13:39 UTC

url : hxxp://179.43.187.164/uploads/DC.exe