MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69. 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


XWorm


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69
SHA3-384 hash: 1d7e7c2bd252afe623339bf4deefb8873a6684fd384e29b50c2be29d7c4a77c165aaad9bdb5919eb8d1b0b7588666488
SHA1 hash: e53c1e240a2d9ea31bbb761863e28182458fd2ac
MD5 hash: 6a97a574c30c72289d39230d65787d95
humanhash: dakota-burger-jupiter-papa
File name:CatRat.exe.bin
Download: download sample
Signature XWorm
Create hunting rule
File size:117'248 bytes
First seen:2025-05-03 14:04:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 64f4bd09084b4f44bc3d687307934cda (1 x XWorm)
ssdeep 3072:8C9cpEJw/yjgf6yFOB3nzc/XrwcDY/yjgf6yFOBE:Dydqm6ysBXkEGYqm6ysBE
TLSH T14DB3B022F3B141D5E6B29174EC61AB1BEBB1344A4320B7CF73544A521F73AA1BE1D788
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter zhuzhu0009
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
526
Origin country :
SG SG
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
CatRat.exe
Verdict:
Malicious activity
Analysis date:
2025-05-02 17:05:42 UTC
Tags:
pastebin auto-startup auto-reg remote xworm loader
Link:
https://app.any.run/tasks/d01a52cf-4468-4253-85a2-299cadcec2d5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Rozena-10029918-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6814fb4fd5cdbfe0eb685131
Tags:
ransomware shellcode emotet virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm masquerade microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/681622680b64e174c415da96/reports/26015538-5ef2-4659-a29e-75330fd20427/overview
Verdict:
Malicious
Labled as:
ShellCode.Donut.Marte.4.Generic
Link:
https://www.hybrid-analysis.com/sample/bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/1dc73bc3-c924-4e33-8fcd-431e1935669b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1680584
Signature
Allocates memory in foreign processes
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69/
Threat name:
Win64.Trojan.ShellCodeExec
Create hunting rule
Status:
Malicious
First seen:
2025-05-02 17:05:21 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmbsbfovrsp6id3ob6xocsqznz3lusrof7acidp2zs5uv6usnvuq._file
Verdict:
malicious
Label(s):
donut_injector
Create hunting rule
Similar samples:
error
XWorm
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:xworm execution loader persistence rat trojan
Link:
https://tria.ge/reports/250503-rdfd5swn13/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Detects DonutLoader
DonutLoader
Donutloader family
Xworm
Xworm family
Malware Config
C2 Extraction:
https://pastebin.com/raw/0XQWkvT7:0
Verdict:
Malicious
Tags:
loader Win.Packed.Rozena-10029918-0
YARA:
Windows_Trojan_Donutloader_f40e3759
Link:
https://app.threat.zone/submission/433c8457-17d4-4103-87f0-f2ce4990a3f5
Unpacked files
SH256 hash:
bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69
MD5 hash:
6a97a574c30c72289d39230d65787d95
SHA1 hash:
e53c1e240a2d9ea31bbb761863e28182458fd2ac
Link:
https://www.unpac.me/results/fb671036-3905-4e87-b030-c8da0041f616/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bb032095d58c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bb032095d58c9fe40f6e0faee14a196e76ba4a2e2fc0240dfaccbb4afa926d69

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Trojan_Donutloader_f40e3759
Create hunting rule
Author:Elastic Security

File information

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

anyrun
any.run
https://app.any.run/tasks/d01a52cf-4468-4253-85a2-299cadcec2d5

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
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateRemoteThread
KERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsapi-ms-win-crt-runtime-l1-1-0.dll::_get_narrow_winmain_command_line
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleWindow

Comments