MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a9cbddab53ca2b1376d3d66da8f1cc434afa650762f7fa31fd327daf82498a7. 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 8 File information Comments

SHA256 hash: 2a9cbddab53ca2b1376d3d66da8f1cc434afa650762f7fa31fd327daf82498a7
SHA3-384 hash: 9ba646b6ad2e90bf598140a8925b6f9e034e5beec2587b117bc44477882dfb5fb89f3e1c7e2a44611282132b9b72e310
SHA1 hash: b2df85b27042abfacee2997569846ba099a2c6f6
MD5 hash: 9f1afd4e750e62d6d0acb5039acebd76
humanhash: football-mirror-uranus-spring
File name:9f1afd4e750e62d6d0acb5039acebd76.exe
Download: download sample
Signature AsyncRAT
File size:10'878'464 bytes
First seen:2025-02-27 15:39:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 98304:zlwELANDB9h0ohsZGv9HclsOEkE72Wn0eokV6Ql:zlwELAND/uoh/v9HcyOt+n0ZuRl
TLSH T191B6F507B6868AB1D2D51736C9EB070453B4E9C3A323D71B35AE236A1E13BBB4943717
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
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
451
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
9f1afd4e750e62d6d0acb5039acebd76.exe
Verdict:
Malicious activity
Analysis date:
2025-02-27 15:41:38 UTC
Tags:
rat asyncrat remote stealer purehvnc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
Connection attempt
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated obfuscated
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.
Result
Threat name:
PureCrypter, AsyncRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected PureCrypter Trojan
Drops VBS files to the startup folder
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Drops script at startup location
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 Bitcoin Wallet information
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1625709 Sample: QU0UzNhZyp.exe Startdate: 27/02/2025 Architecture: WINDOWS Score: 100 29 Suricata IDS alerts for network traffic 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected AsyncRAT 2->33 35 6 other signatures 2->35 7 QU0UzNhZyp.exe 5 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 21 C:\Users\user\AppData\...\ModuleHandle.exe, PE32 7->21 dropped 23 C:\Users\...\ModuleHandle.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\...\ModuleHandle.vbs, ASCII 7->25 dropped 37 Found many strings related to Crypto-Wallets (likely being stolen) 7->37 39 Drops VBS files to the startup folder 7->39 41 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->41 13 InstallUtil.exe 2 7->13         started        43 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->43 17 ModuleHandle.exe 2 11->17         started        signatures5 process6 dnsIp7 27 191.101.130.199, 49748, 56001 MAJESTIC-HOSTING-01US Chile 13->27 45 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 13->45 47 Found many strings related to Crypto-Wallets (likely being stolen) 13->47 49 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 13->49 57 4 other signatures 13->57 51 Multi AV Scanner detection for dropped file 17->51 53 Writes to foreign memory regions 17->53 55 Injects a PE file into a foreign processes 17->55 19 InstallUtil.exe 3 17->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-02-23 13:02:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Suspicious use of NtCreateUserProcessOtherParentProcess
Unpacked files
SH256 hash:
2a9cbddab53ca2b1376d3d66da8f1cc434afa650762f7fa31fd327daf82498a7
MD5 hash:
9f1afd4e750e62d6d0acb5039acebd76
SHA1 hash:
b2df85b27042abfacee2997569846ba099a2c6f6
SH256 hash:
6c19b4da353dd31db9ef4dd3db548115cc23bde7e95e148a75ed8dc9c3b59d7f
MD5 hash:
0a926fee3d22b08ab910caa8d6a8a15b
SHA1 hash:
680b18614a981006f8228da0a9711f288819384a
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
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)

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