MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffac9536e8426fecf3a29bd5307e9be26b5cb4f4bdadf0ee428961feb65a9b91. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ffac9536e8426fecf3a29bd5307e9be26b5cb4f4bdadf0ee428961feb65a9b91
SHA3-384 hash: 141d41aaa1468f2f5a87871fb2f6b987900dfcf77f30b0a6aece9ba47eed0bf933a1a2258c789d44dcdd526312c2b67f
SHA1 hash: 7a2406b16f63d2937d01e5155a9479df7ef0e76d
MD5 hash: db1c0e2b39a56ec8c378fdb9f02f930e
humanhash: tango-cola-lima-potato
File name:ffac9536e8426fecf3a29bd5307e9be26b5cb4f4bdadf0ee428961feb65a9b91
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'153'024 bytes
First seen:2021-09-23 07:06:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:CtZ8Fc3ur4OyTzY1OJcNpD2KX+cmGJobngiytzWddQBuYI:CtIVUcvbG3dgnI0uP
Threatray 1 similar samples on MalwareBazaar
TLSH T1B7353383EA7A9148F2A0D1BB7757A2B407032CE4D2ECC42762955C58FCC5C97A27B936
Reporter JAMESWT_WT
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ffac9536e8426fecf3a29bd5307e9be26b5cb4f4bdadf0ee428961feb65a9b91
Verdict:
Malicious activity
Analysis date:
2021-09-23 07:32:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b462c0a9-d0ac-4679-9df5-b7d6b265cc19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/190626/
Detection(s):
PUA.Win.Packer.EnigmaProtector-19
Create hunting rule

PUA.Win.Packer.EnigmaProtector-1
Create hunting rule

PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d634f76-d486-40cf-b9d0-9d4c40e95ca6
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/856347
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
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
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to evade analysis by execution special instruction which cause usermode exception
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 dnsIp2 2 Behavior Graph ID: 488783 Sample: 53MQxztR47 Startdate: 23/09/2021 Architecture: WINDOWS Score: 100 35 harnav1.ddns.net 2->35 43 Antivirus detection for dropped file 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 11 other signatures 2->49 8 53MQxztR47.exe 7 2->8         started        12 Runtime Broker.exe 3 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\Runtime Broker.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\53MQxztR47.exe.log, ASCII 8->33 dropped 55 Detected unpacking (changes PE section rights) 8->55 57 Detected unpacking (overwrites its own PE header) 8->57 59 Protects its processes via BreakOnTermination flag 8->59 61 Tries to evade analysis by execution special instruction which cause usermode exception 8->61 14 cmd.exe 1 8->14         started        16 cmd.exe 1 8->16         started        63 Hides threads from debuggers 12->63 signatures6 process7 signatures8 19 Runtime Broker.exe 2 14->19         started        23 conhost.exe 14->23         started        25 timeout.exe 1 14->25         started        41 Uses schtasks.exe or at.exe to add and modify task schedules 16->41 27 conhost.exe 16->27         started        29 schtasks.exe 1 16->29         started        process9 dnsIp10 37 harnav1.ddns.net 151.237.185.211, 20090, 49736, 49737 AS57858EU Sweden 19->37 39 192.168.2.1 unknown unknown 19->39 51 Protects its processes via BreakOnTermination flag 19->51 53 Hides threads from debuggers 19->53 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ffac9536e8426fecf3a29bd5307e9be26b5cb4f4bdadf0ee428961feb65a9b91/
Threat name:
Win32.Packed.EnigmaProtector
Create hunting rule
Status:
Malicious
First seen:
2021-09-22 03:55:45 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
ca12d3f00e654a8c51e15c6eaed8330721e48f398f877fc0ed68a983d3191a37
AsyncRAT
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210923-hxnp7afff2/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Executes dropped EXE
AsyncRat
Unpacked files
SH256 hash:
ffac9536e8426fecf3a29bd5307e9be26b5cb4f4bdadf0ee428961feb65a9b91
MD5 hash:
db1c0e2b39a56ec8c378fdb9f02f930e
SHA1 hash:
7a2406b16f63d2937d01e5155a9479df7ef0e76d
Link:
https://www.unpac.me/results/a02d4dc5-717a-4b13-b45f-0a0e9eb11f58/
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/ffac9536e8426fecf3a29bd5307e9be26b5cb4f4bdadf0ee428961feb65a9b91

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/190626/

Comments