MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51f9d9fa6114532f711821870c7deced07cac71ed13181fa2d66b76284178334. 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: 18


Intelligence 18 IOCs 1 YARA 6 File information Comments

SHA256 hash: 51f9d9fa6114532f711821870c7deced07cac71ed13181fa2d66b76284178334
SHA3-384 hash: 0dfe5edd8a9a14e8d80e241c55f0ad64171715f0866f893559681f9d9d97ed369e6703577ca56fe2017fd12103138d4a
SHA1 hash: 35e93cafcfc55b299b75514192368bc13307fd36
MD5 hash: ab8200ae07d909c94527d08a1c082bcf
humanhash: mango-salami-mobile-robert
File name:Bookings05607.exe
Download: download sample
Signature AsyncRAT
File size:169'080 bytes
First seen:2025-06-13 05:20:16 UTC
Last seen:2025-06-13 10:50:08 UTC
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:kvco7ls20IjPU0ecQlMec+BpyUm5NG4o4ioEEVuf/e:Onls20IzUJdeecUm0EIu
TLSH T144F36C37BA9B86E2D3505B3AC4F7841017B4E782F253D71E398E239A18437BA895C747
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 336dc9aced0c33cb (6 x AgentTesla, 1 x ResolverRAT, 1 x DarkCloud)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
130.250.191.35:6565

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
130.250.191.35:6565 https://threatfox.abuse.ch/ioc/1544360/

Intelligence


File Origin
# of uploads :
4
# of downloads :
499
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Bookings05607.exe
Verdict:
Malicious activity
Analysis date:
2025-06-13 05:24:52 UTC
Tags:
auto-startup stealer evasion crypto-regex stealerium rat asyncrat remote smtp

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Creating a process from a recently created file
Searching for synchronization primitives
Creating a file in the %AppData% directory
Restart of the analyzed sample
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for analyzed file
Creating a window
Running batch commands
Launching a process
Launching the process to change network settings
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 expired-cert invalid-signature net_reactor obfuscated packed packed packer_detected signed
Malware family:
Stealerium Stealer
Verdict:
Malicious
Result
Threat name:
AsyncRAT, Phantom stealer
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Attempt to bypass Chrome Application-Bound Encryption
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Capture Wi-Fi password
Sigma detected: Drops script at startup location
Sigma detected: Potential Data Stealing Via Chromium Headless Debugging
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Phantom stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1713819 Sample: Bookings05607.exe Startdate: 13/06/2025 Architecture: WINDOWS Score: 100 86 as58.duckdns.org 2->86 88 xisison.shop 2->88 90 3 other IPs or domains 2->90 112 Suricata IDS alerts for network traffic 2->112 114 Found malware configuration 2->114 116 Malicious sample detected (through community Yara rule) 2->116 120 13 other signatures 2->120 9 Bookings05607.exe 15 7 2->9         started        14 wscript.exe 2->14         started        16 msedge.exe 2->16         started        18 msiexec.exe 2->18         started        signatures3 118 Uses dynamic DNS services 86->118 process4 dnsIp5 106 144.172.116.121, 49685, 80 QUICKPACKETUS United States 9->106 78 C:\Users\...\KeysOrderedAcrossPartitions.exe, PE32 9->78 dropped 80 C:\Users\user\AppData\Local\Temp\Tgvpi.exe, PE32 9->80 dropped 82 C:\Users\...\KeysOrderedAcrossPartitions.vbs, ASCII 9->82 dropped 84 KeysOrderedAcrossP...exe:Zone.Identifier, ASCII 9->84 dropped 138 Attempt to bypass Chrome Application-Bound Encryption 9->138 140 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->140 142 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 9->142 146 4 other signatures 9->146 20 Bookings05607.exe 145 9->20         started        25 Tgvpi.exe 14 2 9->25         started        144 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->144 27 KeysOrderedAcrossPartitions.exe 14->27         started        108 192.168.2.8, 443, 49673, 49685 unknown unknown 16->108 110 239.255.255.250 unknown Reserved 16->110 29 msedge.exe 16->29         started        31 msedge.exe 16->31         started        33 msedge.exe 16->33         started        35 msedge.exe 16->35         started        file6 signatures7 process8 dnsIp9 92 xisison.shop 162.254.34.31 VIVIDHOSTINGUS United States 20->92 94 icanhazip.com 104.16.184.241, 49688, 80 CLOUDFLARENETUS United States 20->94 96 127.0.0.1 unknown unknown 20->96 70 C:\Users\user\AppData\...\QCFWYSKMHA.pdf, ASCII 20->70 dropped 72 C:\Users\user\AppData\...\BJZFPPWAPT.png, ASCII 20->72 dropped 74 C:\Users\user\AppData\...\BNAGMGSPLO.pdf, ASCII 20->74 dropped 76 C:\Users\user\...\user@WIN-MY9349_en-CH.zip, Zip 20->76 dropped 126 Tries to steal Mail credentials (via file / registry access) 20->126 128 Found many strings related to Crypto-Wallets (likely being stolen) 20->128 130 Tries to harvest and steal browser information (history, passwords, etc) 20->130 136 2 other signatures 20->136 37 cmd.exe 20->37         started        40 cmd.exe 20->40         started        42 cmd.exe 20->42         started        44 msedge.exe 20->44         started        98 as58.duckdns.org 130.250.191.35, 49686, 49732, 80 VXCHNGE-NC01US United States 25->98 132 Multi AV Scanner detection for dropped file 25->132 134 Injects a PE file into a foreign processes 25->134 46 MpCmdRun.exe 25->46         started        48 Tgvpi.exe 25->48         started        50 KeysOrderedAcrossPartitions.exe 27->50         started        100 104.40.82.182, 443, 49722 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->100 102 s-part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49696, 49736 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 29->102 104 32 other IPs or domains 29->104 file10 signatures11 process12 signatures13 122 Uses netsh to modify the Windows network and firewall settings 37->122 124 Tries to harvest and steal WLAN passwords 37->124 52 conhost.exe 37->52         started        54 chcp.com 37->54         started        56 netsh.exe 37->56         started        58 findstr.exe 37->58         started        66 4 other processes 40->66 60 conhost.exe 42->60         started        68 2 other processes 42->68 62 msedge.exe 44->62         started        64 conhost.exe 46->64         started        process14
Threat name:
Win32.Backdoor.Asyncrat
Status:
Malicious
First seen:
2025-06-13 01:14:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
sorano purecrypter asyncrat
Similar samples:
Result
Malware family:
stealerium
Score:
  10/10
Tags:
family:asyncrat family:stealerium botnet:default collection credential_access discovery persistence privilege_escalation rat spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of web browsers
Uses browser remote debugging
AsyncRat
Asyncrat family
Stealerium
Stealerium family
Malware Config
C2 Extraction:
as58.duckdns.org:6565
Unpacked files
SH256 hash:
51f9d9fa6114532f711821870c7deced07cac71ed13181fa2d66b76284178334
MD5 hash:
ab8200ae07d909c94527d08a1c082bcf
SHA1 hash:
35e93cafcfc55b299b75514192368bc13307fd36
Detections:
PureCrypter_Stage1
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:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

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 (GUARD_CF)high

Comments