MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9b3a33bec9cbf501ececbd64393c1a5608dbef293e69e86f175eb524f86cfdc6. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9b3a33bec9cbf501ececbd64393c1a5608dbef293e69e86f175eb524f86cfdc6
SHA3-384 hash: d0efd3c0ac5a314e87b17eba8d650304a4d3711b7be19771a7f3cdf5def5e89d8c3d6847a913aafb22b0ef1ca8ae6bc2
SHA1 hash: cca305c57013f6134b3c5b9332d83936048d595b
MD5 hash: d97861571f54e308825d32567f81116c
humanhash: ten-mockingbird-sierra-lemon
File name:d97861571f54e308825d32567f81116c.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:206'688 bytes
First seen:2022-09-06 08:51:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:Yci7+j9E2tdj/AGGTxbUvfpaaAWPOTricI8FyrRB/Jpga/eHUTQQQQQQkdBft/2l:XEW9pdj/HGomWP0ir8YrPoJ8LL7
Threatray 3'550 similar samples on MalwareBazaar
TLSH T17214E142D6E10413D95A9E7770E242C32BB0A20F38D18EE3949CB1650E8F79776D6EDB
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 550959654d651945 (37 x Formbook, 28 x AgentTesla, 14 x RemcosRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
d97861571f54e308825d32567f81116c.exe
Verdict:
Malicious activity
Analysis date:
2022-09-06 08:54:45 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/10379275-df0b-4055-b2be-ca798a1d530a

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/308105/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61775600.2266.7294.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/63170a4031a6d28c0ce555c3/reports/39db1f66-5e2a-4e41-a4f8-d42c35f8eb5f/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0be5307c-fc78-4621-b568-3145bc736b0d
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065511
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
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 698044 Sample: bGAf2jFSRZ.exe Startdate: 06/09/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for dropped file 2->40 42 10 other signatures 2->42 7 bGAf2jFSRZ.exe 1 2->7         started        11 Sysdsdhhdfsstem.exe 1 2->11         started        process3 file4 28 C:\Users\user\AppData\...\bGAf2jFSRZ.exe.log, ASCII 7->28 dropped 44 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->44 13 powershell.exe 16 7->13         started        17 aspnet_compiler.exe 2 7->17         started        20 powershell.exe 5 11->20         started        22 aspnet_compiler.exe 3 11->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\...\Sysdsdhhdfsstem.exe, PE32 13->30 dropped 32 C:\...\Sysdsdhhdfsstem.exe:Zone.Identifier, ASCII 13->32 dropped 46 Drops PE files to the startup folder 13->46 48 Powershell drops PE file 13->48 24 conhost.exe 13->24         started        34 195.178.120.137, 49756, 5097 HEXAGLOBE-ASFR unknown 17->34 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9b3a33bec9cbf501ececbd64393c1a5608dbef293e69e86f175eb524f86cfdc6/
Threat name:
ByteCode-MSIL.Backdoor.Crysen
Create hunting rule
Status:
Malicious
First seen:
2022-09-05 14:25:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 25 (92.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tm5dhpwjzp2qd3hmxvsdspa2kyenx3zjhzu6q3yxl22sj6dm7xda._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1636595f5dd5eee39bb56d389f9839bb802029c77a8bebf2ab9893b51e8fb4f5
AsyncRAT
1eb738be8b7b77e57127ff63182b375aafd1b2e1c64d7518b35465fb81192ac8
AsyncRAT
6f105d359fe32edd24c3e5a441f3f8d3f4be7fad856ce7b0e606e9e18b742024
AsyncRAT
b55a7f2db36e14818a5f05352f8b35ddf412fc64919993d25dd9e5ff4b406f07
AsyncRAT
e8b15948351e4c8b67c73da3c3693b04d50348791370e607a25b884683d2ea46
AsyncRAT
f98939d066a7065b750c6813a1ba0557acf80bbf36b54a48b2bd51df82f66a87
AsyncRAT
+ 3'540 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/220906-ksqp4aabb3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
195.178.120.137:5097
Unpacked files
SH256 hash:
dc8db4c3267bbd694a4a91408731873c3f85257950e4b441f6cef9032ce2d6c9
MD5 hash:
2461022ba9c650d4ddf77e3d214a25c7
SHA1 hash:
b172813cf1b07f7984dbbf14fdea5c728fb45d97
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/013916b9-d7d1-4eea-85df-c9f819e86dce/
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/013916b9-d7d1-4eea-85df-c9f819e86dce/
SH256 hash:
9b3a33bec9cbf501ececbd64393c1a5608dbef293e69e86f175eb524f86cfdc6
MD5 hash:
d97861571f54e308825d32567f81116c
SHA1 hash:
cca305c57013f6134b3c5b9332d83936048d595b
Link:
https://www.unpac.me/results/013916b9-d7d1-4eea-85df-c9f819e86dce/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9b3a33bec9cb/report/overview.html
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/9b3a33bec9cbf501ececbd64393c1a5608dbef293e69e86f175eb524f86cfdc6

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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
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 9b3a33bec9cbf501ececbd64393c1a5608dbef293e69e86f175eb524f86cfdc6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2264671/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/308105/

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