MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d417caa99ea8b4f00e4a6cc324a7901dbfddc0dbe19de513bcf4e84ceac90d21. 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: 13


Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash: d417caa99ea8b4f00e4a6cc324a7901dbfddc0dbe19de513bcf4e84ceac90d21
SHA3-384 hash: ba9a325d72d26e86d8ecf7080cffc30dce27d5ef26f9969f822f026bcb07538707c13cf2d3d95a5296ddba62b6878b24
SHA1 hash: afb3cf59d939b5be709ed23d8b424987e618dbe4
MD5 hash: f8a989ff9bf3894acb35c791d053cbec
humanhash: spring-uncle-whiskey-twenty
File name:PowerRat.exe
Download: download sample
Signature AsyncRAT
File size:474'112 bytes
First seen:2024-12-17 06:10:18 UTC
Last seen:2025-01-03 11:31:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'000 x AgentTesla, 19'906 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 12288:qB0qu1Lr160aR4DLurOZR4dq6hoQ3rffNwhYhdP1XEd:c0quVJ33ZZ6hh3rdthdP10d
TLSH T144A4DF287BD86D9BD3C9337E90560860A7B6B912B65FE3DF34211EF42F43391881529B
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10522/11/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter lontze7
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
7
# of downloads :
433
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PowerRat.exe
Verdict:
No threats detected
Analysis date:
2024-12-17 06:12:35 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a window
Connection attempt to an infection source
Unauthorized injection to a recently created process
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat asyncrat config-extracted lolbin njrat obfuscated packed packed packer_detected rat reg schtasks vbnet
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides threads from debuggers
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
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: System File Execution Location Anomaly
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
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1576449 Sample: PowerRat.exe Startdate: 17/12/2024 Architecture: WINDOWS Score: 100 35 turn-bracket.at.ply.gg 2->35 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 12 other signatures 2->47 8 PowerRat.exe 7 2->8         started        12 DasHost.exe 3 2->12         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\DasHost.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\PowerRat.exe.log, ASCII 8->33 dropped 55 Query firmware table information (likely to detect VMs) 8->55 57 Protects its processes via BreakOnTermination flag 8->57 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->59 67 2 other signatures 8->67 14 cmd.exe 1 8->14         started        16 cmd.exe 1 8->16         started        61 Antivirus detection for dropped file 12->61 63 Multi AV Scanner detection for dropped file 12->63 65 Machine Learning detection for dropped file 12->65 signatures6 process7 signatures8 19 DasHost.exe 2 14->19         started        23 conhost.exe 14->23         started        25 timeout.exe 1 14->25         started        39 Uses schtasks.exe or at.exe to add and modify task schedules 16->39 27 conhost.exe 16->27         started        29 schtasks.exe 1 16->29         started        process9 dnsIp10 37 turn-bracket.at.ply.gg 147.185.221.211, 1234, 27373, 49735 SALSGIVERUS United States 19->37 49 Query firmware table information (likely to detect VMs) 19->49 51 Protects its processes via BreakOnTermination flag 19->51 53 Hides threads from debuggers 19->53 signatures11
Threat name:
ByteCode-MSIL.Trojan.Genie8DN
Status:
Malicious
First seen:
2023-10-25 10:38:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.AsyncRAT-9861056-1
YARA:
malware_asyncrat asyncrat AsyncRat_Payload JPCERTCC_Asyncrat
Unpacked files
SH256 hash:
d417caa99ea8b4f00e4a6cc324a7901dbfddc0dbe19de513bcf4e84ceac90d21
MD5 hash:
f8a989ff9bf3894acb35c791d053cbec
SHA1 hash:
afb3cf59d939b5be709ed23d8b424987e618dbe4
Detections:
AsyncRAT
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRAT Payload
Rule name:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_asyncrat_w0
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 d417caa99ea8b4f00e4a6cc324a7901dbfddc0dbe19de513bcf4e84ceac90d21

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments