MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07
SHA3-384 hash: f03d87e9080ffdc0e9a2d84c2e8fd425e6c0445c48cfdff05f2bf78d78fb2bfd9895f4684b528bdd15d73d0814504832
SHA1 hash: 2de18f4626f4b57df75874073d5948e78891e354
MD5 hash: f364862ab418ad1ad09c767f6c6a7e2c
humanhash: may-minnesota-music-uncle
File name:xggP3BzhZDQC.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:59'904 bytes
First seen:2024-04-13 19:19:21 UTC
Last seen:2024-04-17 22:04:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:NqEXK2nOkAicN+VEVGYQ+bq19hqVMqOvIf1:I2RVEoL+bq1OOgN
TLSH T131438D8C77E14122F1FF9BF459B26222C635A2678803D35F38EB44DA1723A8CC9617E5
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter pmelson
Tags:AsyncRAT exe xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
315
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07.exe
Verdict:
Malicious activity
Analysis date:
2024-04-13 19:31:45 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/4e4610f8-741e-411f-8fd3-598f06469bb0

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

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a window
Connection attempt to an infection source
Setting a global event handler for the keyboard
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm hook keylogger
Link:
https://www.filescan.io/uploads/661adae40b46b30369359a42/reports/a513b438-4728-4858-97cb-ddc9d76fa52a/overview
Verdict:
Malicious
Labled as:
Dacic.2251.Generic
Link:
https://www.hybrid-analysis.com/sample/73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07
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.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/badec4d5-a466-4c8c-8f6a-5292cd950b7e
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1425523
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Uses dynamic DNS services
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07/
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-04-13 19:20:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oo7coyppsjbtei7bo5iepocd2i352wmu4gt4upojstrxg6rkp4dq._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/240413-x132lsgf27/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Drops startup file
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
powerup.dynuddns.net:5656
Unpacked files
SH256 hash:
73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07
MD5 hash:
f364862ab418ad1ad09c767f6c6a7e2c
SHA1 hash:
2de18f4626f4b57df75874073d5948e78891e354
Detections:
XWorm
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/dc22270f-1abb-4545-bc37-a830e77077a7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/73be2761ef92/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/73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm

File information

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

Web download

AsyncRAT

Executable exe 73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07

(this sample)

  
Link
https://www.virustotal.com/gui/file/73be2761ef92433223e1775047b843d237dd5994e1a7ca3dc994e3737a2a7f07/detection
  
Delivery method
Distributed via web download

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 (HIGH_ENTROPY_VA)high

Comments