MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78ef03fec16bd2b15219dd7bf4fe79cd9420f81dd833270907b90aca5d6183a6. 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 14 File information Comments

SHA256 hash: 78ef03fec16bd2b15219dd7bf4fe79cd9420f81dd833270907b90aca5d6183a6
SHA3-384 hash: 9f8f43ab57a2f935b5cffbeb3ec3a9bbc979019970aa31c7c6a06b616779f4cdcea11d5a8923a91e884a836fed5fec50
SHA1 hash: 4f165407d79b51661f5c294c66e5e5455e03edd5
MD5 hash: 7ea49f590761018e4db7af355d5651a5
humanhash: oklahoma-georgia-mountain-island
File name:Inv. Bilgisi.exe
Download: download sample
Signature AsyncRAT
File size:843'813 bytes
First seen:2023-05-15 07:01:58 UTC
Last seen:2023-05-16 08:16:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:wNA3R5drXnDOymMzYUvuFFBv2RHCM/1E2QHIleqs1Bdu:p5DYOoFSCMNE2Cqeqydu
Threatray 2'799 similar samples on MalwareBazaar
TLSH T1AB051202FBD248B2E57329355936BB14A97CBD701E34EA1F73D43D6D8A31181A226F63
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 5960139645174747 (2 x AsyncRAT, 1 x QuasarRAT)
Reporter TeamDreier
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
246
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Inv. Bilgisi.exe
Verdict:
Malicious activity
Analysis date:
2023-05-15 07:04:38 UTC
Tags:
trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Launching a process
Running batch commands
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware nanocore overlay packed setupapi.dll shdocvw.dll shell32.dll
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:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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 signatures2 2 Behavior Graph ID: 866429 Sample: Inv._Bilgisi.exe Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 79 Snort IDS alert for network traffic 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 7 other signatures 2->85 14 Inv._Bilgisi.exe 3 10 2->14         started        17 dmwi.exe 2->17         started        process3 file4 67 C:\Users\user\AppData\...\uinfder.sfx.exe, PE32 14->67 dropped 20 cmd.exe 1 14->20         started        23 AcroRd32.exe 39 14->23         started        71 Antivirus detection for dropped file 17->71 73 Multi AV Scanner detection for dropped file 17->73 75 Machine Learning detection for dropped file 17->75 77 Injects a PE file into a foreign processes 17->77 25 dmwi.exe 17->25         started        signatures5 process6 signatures7 87 Uses schtasks.exe or at.exe to add and modify task schedules 20->87 27 uinfder.sfx.exe 8 20->27         started        30 conhost.exe 20->30         started        32 RdrCEF.exe 53 23->32         started        process8 dnsIp9 65 C:\Users\user\AppData\Local\...\uinfder.exe, PE32 27->65 dropped 35 uinfder.exe 9 27->35         started        69 192.168.2.1 unknown unknown 32->69 file10 process11 file12 61 C:\Users\user\AppData\Local\...\fghfy.sfx.exe, PE32 35->61 dropped 89 Multi AV Scanner detection for dropped file 35->89 39 cmd.exe 1 35->39         started        signatures13 process14 process15 41 fghfy.sfx.exe 8 39->41         started        45 conhost.exe 39->45         started        file16 63 C:\Users\user\AppData\Local\Temp\fghfy.exe, PE32 41->63 dropped 91 Multi AV Scanner detection for dropped file 41->91 47 fghfy.exe 41->47         started        signatures17 process18 signatures19 93 Antivirus detection for dropped file 47->93 95 Multi AV Scanner detection for dropped file 47->95 97 Machine Learning detection for dropped file 47->97 99 Injects a PE file into a foreign processes 47->99 50 fghfy.exe 47->50         started        process20 file21 59 C:\Users\user\AppData\Roaming\dmwi.exe, PE32 50->59 dropped 53 cmd.exe 50->53         started        55 cmd.exe 50->55         started        process22 process23 57 conhost.exe 55->57         started       
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-05-14 12:44:02 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:vtokn rat
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
grotomnipobell.zapto.org:1515
grotomnipobell.zapto.org:2323
roollingstonecam.sytes.net:1515
roollingstonecam.sytes.net:2323
roollingstonecam.zapto.org:1515
roollingstonecam.zapto.org:2323
Unpacked files
SH256 hash:
ea5657a6f0f92d8f5f34551da31ab556224b2302c4457f73388644486c71d505
MD5 hash:
9010e5ff3c378d34181b0b99b6476520
SHA1 hash:
38075ece8263137e2306a125d68f89f1883efca1
SH256 hash:
78ef03fec16bd2b15219dd7bf4fe79cd9420f81dd833270907b90aca5d6183a6
MD5 hash:
7ea49f590761018e4db7af355d5651a5
SHA1 hash:
4f165407d79b51661f5c294c66e5e5455e03edd5
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: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:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
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.

Malspam

AsyncRAT

Executable exe 78ef03fec16bd2b15219dd7bf4fe79cd9420f81dd833270907b90aca5d6183a6

(this sample)

  
Delivery method
Distributed via e-mail attachment

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