MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88b9af5f7b87fadf81fb9526558f9e65d5d4988b095248d3029d5c09d969b97c. 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



ProRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 88b9af5f7b87fadf81fb9526558f9e65d5d4988b095248d3029d5c09d969b97c
SHA3-384 hash: 564f1b24be51b5343ee953ebc5a415b535f0026eac81cdff6a487998ac26b6400a81ce702febb2e91ea74028c16d0dd3
SHA1 hash: 39c5928c53495e5e0c620eedd615646b3503c7dd
MD5 hash: d97bb0063e7cbff61d6cd25f9a2f6bd4
humanhash: blue-uranus-spring-salami
File name:250427-v4dvsav1ew.bin
Download: download sample
Signature ProRAT
File size:750'901 bytes
First seen:2025-04-27 17:38:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 87bed5a7cba00c7e1f4015f1bdae2183 (3'034 x Jadtre, 23 x IcedID, 17 x Blackmoon)
ssdeep 12288:NqmpplpGoGL3etQoMiXM8gxf/Sj4yJAFeb/lD25C7RWJTZQfofewhkR9AgES6nIg:9563ey8gZqj4yJAODSvZK9Lz6d
TLSH T183F423EF03AE8B6AC344DDFD83C7076077248CF2549622926B31DB7A5EA22FD46444D6
TrID 52.9% (.EXE) Win32 Executable (generic) (4504/4/1)
23.5% (.EXE) Generic Win/DOS Executable (2002/3)
23.5% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon c9949489945cc989 (1 x ProRAT)
Reporter UNP4CK
Tags:ProRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
79
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
250427-v4dvsav1ew.bin
Verdict:
No threats detected
Analysis date:
2025-04-27 17:41:29 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:
dropper virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the Windows subdirectories
Сreating synchronization primitives
Launching a process
Creating a window
Searching for the window
Launching a service
Searching for synchronization primitives
Creating a process from a recently created file
Creating a file
Launching cmd.exe command interpreter
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a file in the Windows directory
Setting a global event handler
DNS request
Connection attempt
Sending a custom TCP request
Running batch commands
Setting a global event handler for the keyboard
Launching the process to interact with network services
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fsg masquerade overlay overlay packed packed packed packer_detected prorat virtual
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionalty to change the wallpaper
Creates an undocumented autostart registry key
Disables security and backup related services
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: System File Execution Location Anomaly
Yara detected ProRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1675567 Sample: 250427-v4dvsav1ew.bin.exe Startdate: 27/04/2025 Architecture: WINDOWS Score: 100 64 star-azurefd-prod.trafficmanager.net 2->64 66 shed.dual-low.s-part-0043.t-0009.t-msedge.net 2->66 68 6 other IPs or domains 2->68 80 Antivirus detection for dropped file 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 5 other signatures 2->86 11 250427-v4dvsav1ew.bin.exe 5 2->11         started        15 Video.UI.exe 39 46 2->15         started        signatures3 process4 dnsIp5 62 C:\Windows\SysWOW64\lncom.exe, PE32 11->62 dropped 104 Drops executables to the windows directory (C:\Windows) and starts them 11->104 18 lncom.exe 16 3 11->18         started        22 cmd.exe 1 11->22         started        70 e87.dspb.akamaiedge.net 23.202.56.7, 443, 49688 AKAMAI-ASN1EU United States 15->70 106 Installs a global keyboard hook 15->106 file6 signatures7 process8 file9 54 C:\Windows\System\sservice.exe, PE32 18->54 dropped 56 C:\Windows\SysWOW64\fservice.exe, PE32 18->56 dropped 58 C:\Windows\SysWOW64\lncom.exe.bat, ASCII 18->58 dropped 88 Antivirus detection for dropped file 18->88 90 Multi AV Scanner detection for dropped file 18->90 92 Creates an undocumented autostart registry key 18->92 94 Drops executables to the windows directory (C:\Windows) and starts them 18->94 24 fservice.exe 2 18->24         started        28 cmd.exe 1 18->28         started        30 conhost.exe 22->30         started        signatures10 process11 file12 60 C:\Windows\services.exe, PE32 24->60 dropped 96 Antivirus detection for dropped file 24->96 98 Multi AV Scanner detection for dropped file 24->98 100 Contains functionalty to change the wallpaper 24->100 102 2 other signatures 24->102 32 services.exe 3 6 24->32         started        36 conhost.exe 28->36         started        signatures13 process14 file15 50 C:\Windows\SysWOW64\winkey.dll, PE32 32->50 dropped 52 C:\Windows\SysWOW64\reginv.dll, PE32 32->52 dropped 72 Antivirus detection for dropped file 32->72 74 Multi AV Scanner detection for dropped file 32->74 76 Disables security and backup related services 32->76 78 Installs a global keyboard hook 32->78 38 net.exe 1 32->38         started        40 net.exe 1 32->40         started        signatures16 process17 process18 42 conhost.exe 38->42         started        44 net1.exe 1 38->44         started        46 conhost.exe 40->46         started        48 net1.exe 1 40->48         started       
Threat name:
Win32.Backdoor.ProRAT
Status:
Malicious
First seen:
2011-07-04 21:25:00 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
35 of 36 (97.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
aspackv2 discovery persistence upx
Behaviour
Modifies registry class
Runs net.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
UPX packed file
Modifies WinLogon
ASPack v2.12-2.42
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds policy Run key to start application
Boot or Logon Autostart Execution: Active Setup
Modifies WinLogon for persistence
Verdict:
Malicious
Tags:
Win.Trojan.Prorat-11
YARA:
n/a
Unpacked files
SH256 hash:
88b9af5f7b87fadf81fb9526558f9e65d5d4988b095248d3029d5c09d969b97c
MD5 hash:
d97bb0063e7cbff61d6cd25f9a2f6bd4
SHA1 hash:
39c5928c53495e5e0c620eedd615646b3503c7dd
SH256 hash:
45d266269634ba2de70f179a26d7224111e677e66b38dff2802851b71ce4458f
MD5 hash:
b4c72da9fd1a0dcb0698b7da97daa0cd
SHA1 hash:
b25a79e8ea4c723c58caab83aed6ea48de7ed759
Detections:
INDICATOR_EXE_Packed_ASPack
SH256 hash:
f4b6ead9f971bf935be1131f0231c9154c8e25d524fe62de6d264bf29661f7fe
MD5 hash:
27ad7d5dac65457b905d5fc4940235d5
SHA1 hash:
39f6e6c929ae4a7b8849ced5a0d61c46ba118171
SH256 hash:
c5b1d800c86d550c0b68c57c0d9911c1dd21df9e5e37e9e7bc032b5e66fdebe6
MD5 hash:
562e0d01d6571fa2251a1e9f54c6cc69
SHA1 hash:
83677ad3bc630aa6327253c7b3deffbd4a8ce905
SH256 hash:
b8ea3fda9928381a5278e2614e22434dc1e06715b8b7371522e458b67c5eaeac
MD5 hash:
633ebdf2c6257410ba50e1167171d5ff
SHA1 hash:
abb28ed15fee7d2a24e1f43ed5e0aedf14e04cfb
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:FSGv133
Author:malware-lu
Rule name:FSGv133Engdulekxt
Author:malware-lu
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:UPXProtectorv10x2
Author:malware-lu

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA

Comments