MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3951d68bdde41668bef42ae3c629be30170ef54e0837886624ac8fb79fb6d225. 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: 16


Intelligence 16 IOCs 1 YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3951d68bdde41668bef42ae3c629be30170ef54e0837886624ac8fb79fb6d225
SHA3-384 hash: 57a1af8f225f8b23eaea096478a97b07fa7cee3f95e229286b8edd2546f8c27f17aa155e3842fd12758b7564ee279530
SHA1 hash: ed07df5350b6af31b5f9b9d9787facbb8772e81c
MD5 hash: 7efa26b160b97da04c46ad7daebf40ed
humanhash: king-twelve-kitten-jupiter
File name:7efa26b160b97da04c46ad7daebf40ed.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:46'592 bytes
First seen:2022-06-07 06:05:40 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:xuiGNTdFHLBWUZiGrmo2qrjO5QyJ4PiNjPISzjbwgX3i9rh9nDraBDZ6u:xuiGNTdBR2IO52iKS3b3XS9t9nHEd6u
TLSH T15B231C0037E9812AF2BE4F7898F261454A7AF5633603E54E2CC451DB5613FC69A42BFE
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
160.177.92.182:64

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
160.177.92.182:64 https://threatfox.abuse.ch/ioc/661520/

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
7efa26b160b97da04c46ad7daebf40ed.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 06:15:59 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/37748e40-c114-4cd1-9ebd-057303c04b92

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/277200/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
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
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat coinminer dcrat fareit njrat obfuscated packed rat razy replace.exe samas schtasks.exe
Link:
https://www.filescan.io/uploads/629eeacc5dc88d3571678b92/reports/3b999bcb-9ebf-4e5b-97f5-bdb6e9fcb440/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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93915430-7417-4cbc-94f8-dd95c0a5142e
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007827
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Schedule system process
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 640323 Sample: Ga16Zfy32t.exe Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 35 ghr4b4.ddns.net 2->35 43 Multi AV Scanner detection for domain / URL 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 10 other signatures 2->49 8 Ga16Zfy32t.exe 7 2->8         started        12 svchost.exe 3 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...behaviorgrapha16Zfy32t.exe.log, ASCII 8->33 dropped 53 Drops PE files with benign system names 8->53 14 cmd.exe 1 8->14         started        16 cmd.exe 1 8->16         started        55 Antivirus detection for dropped file 12->55 57 System process connects to network (likely due to code injection or exploit) 12->57 59 Multi AV Scanner detection for dropped file 12->59 61 Machine Learning detection for dropped file 12->61 signatures6 process7 signatures8 19 svchost.exe 15 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 ghr4b4.ddns.net 160.177.92.182, 64 MT-MPLSMA Morocco 19->37 39 pastebin.com 104.20.68.143, 443, 49764, 49781 CLOUDFLARENETUS United States 19->39 51 System process connects to network (likely due to code injection or exploit) 19->51 signatures11
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3951d68bdde41668bef42ae3c629be30170ef54e0837886624ac8fb79fb6d225/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-06-05 14:35:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hfi5nc654qlgrpxuflr4mkn6galq55koba3yqzrevsh3ph5w2isq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:sitehunt<3<3 rat
Link:
https://tria.ge/reports/220607-gtq6gabeb7/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
3951d68bdde41668bef42ae3c629be30170ef54e0837886624ac8fb79fb6d225
MD5 hash:
7efa26b160b97da04c46ad7daebf40ed
SHA1 hash:
ed07df5350b6af31b5f9b9d9787facbb8772e81c
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/52a02de3-670f-4011-8837-4f0026e05d70/
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/3951d68bdde41668bef42ae3c629be30170ef54e0837886624ac8fb79fb6d225

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/277200/

Comments