MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1991028c0d30df00531c287319317bef00aff902a2d20e677df0473072f02b7. 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



N-able


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: a1991028c0d30df00531c287319317bef00aff902a2d20e677df0473072f02b7
SHA3-384 hash: da7bb73159203de3da4f86124b6c1739ec408c11960f1164d21ad6b8af124638633ae0bfcd8fb54b2758844d62ccf53f
SHA1 hash: cd5ef2c4dd99f86dafc499cd0c017d77eea13910
MD5 hash: 87ff1f2064b32ba5f32de84a785ba553
humanhash: video-lion-glucose-fanta
File name:rws.EXE
Download: download sample
Signature N-able
File size:14'781'984 bytes
First seen:2025-11-19 18:31:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0c40996f6e1e5f2a82b51e9950881bf1 (53 x N-able)
ssdeep 393216:qsF/OiT86xvk7HiMPo7c7rd+ljUxrwn5UcmQMD1W:lrRxvoC/7a0jUxX7h1W
TLSH T1AFE633527C88DBBFD4212770C6429B77529B7A74481018AB6F0C1CB66FB38CDE529B87
TrID 38.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
13.0% (.EXE) Win64 Executable (generic) (10522/11/4)
8.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Anonymous
Tags:exe N-able signed

Code Signing Certificate

Organisation:N-ABLE TECHNOLOGIES LTD
Issuer:DigiCert Trusted G4 Code Signing RSA4096 SHA384 2021 CA1
Algorithm:sha256WithRSAEncryption
Valid from:2024-03-06T00:00:00Z
Valid to:2027-04-01T23:59:59Z
Serial number: 06bb423e099ead00d3d55bf1d372c773
Intelligence: 52 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 84077c5a6a690b814ba4b11b0a373211088fdb9f6cefc8b449d013766b624af4
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
93
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rws.EXE
Verdict:
Malicious activity
Analysis date:
2025-11-19 18:55:12 UTC
Tags:
rat anti-evasion auto-reg arch-scr arch-exec

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 smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a file
Creating a process with a hidden window
Sending a custom TCP request
DNS request
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a service
Creating a file in the Windows subdirectories
Enabling autorun for a service
Launching a tool to kill processes
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context fingerprint installer installer microsoft_visual_cc overlay signed
Verdict:
Adware
File Type:
exe x32
First seen:
2025-11-18T21:20:00Z UTC
Last seen:
2025-11-19T06:43:00Z UTC
Hits:
~10
Detections:
not-a-virus:RemoteAdmin.Win32.RMM.b
Gathering data
Verdict:
Malicious
Threat:
NetworkReferences.Malware.Generic
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery execution installer persistence privilege_escalation spyware trojan upx
Behaviour
Kills process with taskkill
Modifies data under HKEY_USERS
Modifies registry class
Modifies system certificate store
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Checks whether UAC is enabled
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks installed software on the system
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Launches sc.exe
Loads dropped DLL
Checks computer location settings
Drops file in System32 directory
Event Triggered Execution: Component Object Model Hijacking
UPX packed file
Adds Run key to start application
Checks for any installed AV software in registry
Downloads MZ/PE file
Enumerates connected drives
Modifies file permissions
Sets service image path in registry
Unpacked files
SH256 hash:
a1991028c0d30df00531c287319317bef00aff902a2d20e677df0473072f02b7
MD5 hash:
87ff1f2064b32ba5f32de84a785ba553
SHA1 hash:
cd5ef2c4dd99f86dafc499cd0c017d77eea13910
SH256 hash:
ed872d00a8d5c535af119f77796881dbb99d9ec8a6b7ca902ab443a10a7dff72
MD5 hash:
8265cd0706b38eb4839889114400a81f
SHA1 hash:
8b4d6756d9f0241b937f53580a72e06bfc5dd1b9
SH256 hash:
44b8e6a310564338968158a1ed88c8535dece20acb06c5e22d87953c261dfed0
MD5 hash:
9c8886759e736d3f27674e0fff63d40a
SHA1 hash:
ceff6a7b106c3262d9e8496d2ab319821b100541
SH256 hash:
08caf67a3dc4036552d26b87773b63620b2fc12455c8477f130fae58ea77d0e4
MD5 hash:
3a64ad48a8d03e7ecc9f58355b8e393f
SHA1 hash:
2fc81038e88d8ba0d62c68e7d547c5cef036e597
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ScanStringsInsocks5systemz
Author:Byambaa@pubcert.mn
Description:Scans presence of the found strings using the in-house brute force method

File information


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

Comments