MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 001f3aa0aaf47c8757634c6c39b75a8423761e2503e0de19d93065cc8e7187f9. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 001f3aa0aaf47c8757634c6c39b75a8423761e2503e0de19d93065cc8e7187f9
SHA3-384 hash: f7537f38fd6a0d68e87560fcc8928e061747cf8c1a129247e6bca61b1668ec5c58f383c23e9f705beccda38794fd2306
SHA1 hash: fcf17aaa9565a7fd51776875affb9a72840e53f5
MD5 hash: 1d977c6853d0e9ff808671186fd986d0
humanhash: cardinal-fillet-florida-september
File name:reverseb64.dll
Download: download sample
Signature XWorm
File size:41'984 bytes
First seen:2022-11-21 21:08:22 UTC
Last seen:2022-11-21 22:36:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 768:AWRjMA/+jHpBTSnxm0RpL9HwsQhLOQ02RwUB:vyP8hL9HM1OL2RwUB
Threatray 42 similar samples on MalwareBazaar
TLSH T18413E78937D44106D6FDBBF12DB3D64946B0F6632E1BD68E0CCA46DB2B53B904A406E3
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter k3dg3___
Tags:exe xworm

Intelligence


File Origin
# of uploads :
2
# of downloads :
220
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
reverseb64.dll
Verdict:
Malicious activity
Analysis date:
2022-11-21 21:10:18 UTC
Tags:
n/a

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

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm cmd.exe greyware packed schtasks.exe
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:
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Status:
Malicious
First seen:
2022-11-21 21:09:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Unpacked files
SH256 hash:
001f3aa0aaf47c8757634c6c39b75a8423761e2503e0de19d93065cc8e7187f9
MD5 hash:
1d977c6853d0e9ff808671186fd986d0
SHA1 hash:
fcf17aaa9565a7fd51776875affb9a72840e53f5
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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
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:win_xwormmm_s1_6f74
Author:Johannes Bader
Description:detects unpacked Xwormmm samples

File information


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

Malspam

XWorm

Executable exe 001f3aa0aaf47c8757634c6c39b75a8423761e2503e0de19d93065cc8e7187f9

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments