MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 879f167f0686e52e10a87cfd1d7c7cac92e8cf10d3481f27d82dc4b4b0b0d1ae. 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 YARA 7 File information Comments
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SHA256 hash: 879f167f0686e52e10a87cfd1d7c7cac92e8cf10d3481f27d82dc4b4b0b0d1ae
SHA3-384 hash: aac694265e6e23bbbbd75c1895a459169578a41aa5b828c5b5cffa1aba2624cb52e85dfc6a29fd970b5cfd32a63ea3bd
SHA1 hash: 1e32f30f4dd0c14e15a9ed388eb0f24912532fc2
MD5 hash: 800a520f3ab34fec6492436f2feb717a
humanhash: edward-mexico-apart-wyoming
File name:800a520f3ab34fec6492436f2feb717a.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:239'104 bytes
First seen:2022-11-22 14:49:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Uu8HSFc7bQPHiTVVmVVV8VVNVVVcVVVxVVVPVVlVVVRVVVtVVWV60jVLVVOVVUVT:U+cAMt
TLSH T1C0346681CF48548BEC359F31E1B0E7A54B7BEAD1B8DA9FA8106D3D2D7C54A4098037B9
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0f89a9a9adcf830 (5 x AsyncRAT, 2 x DCRat, 2 x CoinMiner)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
385
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
800a520f3ab34fec6492436f2feb717a.exe
Verdict:
Malicious activity
Analysis date:
2022-11-22 14:57:32 UTC
Tags:
asyncrat trojan rat
Link:
https://app.any.run/tasks/219f8cb7-de87-4a1e-875a-66d1993e5df3

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/337274/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Launching a process
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm asyncrat greyware njrat packed rat
Link:
https://www.filescan.io/uploads/637ce19ffe7e1beee2419b9d/reports/25d515e3-495f-4bf6-9e71-962809c87ddc/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/09df0148-e73d-482e-9ad7-c05d075366a3
Result
Threat name:
AsyncRAT, PhoenixRAT, Typhon Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1119000
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
PE file contains section with special chars
Snort IDS alert for network traffic
Suspicious powershell command line found
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
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PhoenixRAT
Yara detected Telegram Recon
Yara detected Typhon Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 751720 Sample: AT1VkguKRA.exe Startdate: 22/11/2022 Architecture: WINDOWS Score: 100 70 ip-api.com 2->70 72 httpbin.org 2->72 74 3 other IPs or domains 2->74 90 Snort IDS alert for network traffic 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 Antivirus detection for dropped file 2->94 98 18 other signatures 2->98 10 AT1VkguKRA.exe 7 2->10         started        13 SecurityHealthSystray.exe 3 2->13         started        signatures3 96 May check the online IP address of the machine 70->96 process4 file5 66 C:\Users\user\...\SecurityHealthSystray.exe, PE32 10->66 dropped 68 C:\Users\user\AppData\...\AT1VkguKRA.exe.log, ASCII 10->68 dropped 16 cmd.exe 1 10->16         started        18 cmd.exe 1 10->18         started        100 Antivirus detection for dropped file 13->100 102 Machine Learning detection for dropped file 13->102 signatures6 process7 signatures8 21 SecurityHealthSystray.exe 16 7 16->21         started        25 conhost.exe 16->25         started        27 timeout.exe 1 16->27         started        84 Suspicious powershell command line found 18->84 86 Bypasses PowerShell execution policy 18->86 88 Uses schtasks.exe or at.exe to add and modify task schedules 18->88 29 conhost.exe 18->29         started        31 schtasks.exe 1 18->31         started        process9 dnsIp10 76 8.tcp.ngrok.io 3.142.167.54, 16952, 49697 AMAZON-02US United States 21->76 78 104.20.67.143, 443, 49696 CLOUDFLARENETUS United States 21->78 80 pastebin.com 172.67.34.170, 49695, 80 CLOUDFLARENETUS United States 21->80 58 C:\Users\user\AppData\Local\Temp\reogiz.exe, PE32+ 21->58 dropped 60 C:\Users\user\AppData\Local\Temp\jjexfp.exe, PE32 21->60 dropped 62 C:\Users\user\AppData\Local\Temp\eypoti.exe, PE32+ 21->62 dropped 64 C:\Users\user\AppData\Local\Temp\azafnl.exe, PE32 21->64 dropped 33 cmd.exe 1 21->33         started        36 cmd.exe 1 21->36         started        38 cmd.exe 1 21->38         started        40 cmd.exe 1 21->40         started        file11 process12 signatures13 82 Suspicious powershell command line found 33->82 42 powershell.exe 3 33->42         started        44 conhost.exe 33->44         started        46 powershell.exe 1 36->46         started        48 conhost.exe 36->48         started        50 powershell.exe 1 38->50         started        52 conhost.exe 38->52         started        54 powershell.exe 1 40->54         started        56 conhost.exe 40->56         started        process14
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/879f167f0686e52e10a87cfd1d7c7cac92e8cf10d3481f27d82dc4b4b0b0d1ae/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-11-22 14:50:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6prm7ygq3ss4efipt6r27d4vsjortyq2neb6j6yfxcljmfq2gxa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat evasion rat themida trojan
Link:
https://tria.ge/reports/221122-r7kwqafh48/
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
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Themida packer
Executes dropped EXE
Async RAT payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
AsyncRat
Unpacked files
SH256 hash:
879f167f0686e52e10a87cfd1d7c7cac92e8cf10d3481f27d82dc4b4b0b0d1ae
MD5 hash:
800a520f3ab34fec6492436f2feb717a
SHA1 hash:
1e32f30f4dd0c14e15a9ed388eb0f24912532fc2
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/8d6fb1d0-dc8d-4e5b-bb1d-484eb7352240/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/879f167f0686/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/879f167f0686e52e10a87cfd1d7c7cac92e8cf10d3481f27d82dc4b4b0b0d1ae

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 879f167f0686e52e10a87cfd1d7c7cac92e8cf10d3481f27d82dc4b4b0b0d1ae

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2429793/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/337274/

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