MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936. 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: 17


Intelligence 17 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936
SHA3-384 hash: aaf4454dab77c80c9d5d8f90a5e380258d3fa8503e28ed98b1277cebfb62e83acdb3dd1bb76ce3ff554b98a030b02998
SHA1 hash: 2bb2a6d68e50d3e7e263a1549ce82696f8d1e9e0
MD5 hash: b5fdff62df0afd88fc8173df7201e416
humanhash: august-twenty-crazy-uranus
File name:17280747651c65888a5d5ac545724e489642bc491cc1ffd341e9d7640d9cf7ca383b5c9019315.dat-decoded
Download: download sample
Signature XWorm
Create hunting rule
File size:74'240 bytes
First seen:2024-10-04 20:46:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:d8V8eCI/+l22AylDL27+bHNBVxpfaa+ni44+OsU2X4iWU:dxI/MZ3C+bHzsji44+OnuAU
Threatray 1'453 similar samples on MalwareBazaar
TLSH T13F736C287BF94025F0FFAFB15EE17652CA3AF7232902D65F1488424B1513E89CE516FA
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:base64-decoded exe xworm


Avatar
abuse_ch
Malware dropped as base64 encoded payload

Intelligence

File Origin
# of uploads :
1
# of downloads :
517
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
17280747651c65888a5d5ac545724e489642bc491cc1ffd341e9d7640d9cf7ca383b5c9019315.dat-decoded
Verdict:
Malicious activity
Analysis date:
2024-10-04 20:49:05 UTC
Tags:
xworm remote
Link:
https://app.any.run/tasks/98f71c57-b6d1-476f-9867-305594f79ebf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=670054460fdf8887097d3823
Tags:
Keylog Remo Word
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
asyncrat backdoor hook rat vbnet
Link:
https://www.filescan.io/uploads/6700544594e54db5cce23705/reports/540b9500-cfdb-48d8-b5c8-967728098827/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936
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/a12df02a-625e-428e-b301-919098a1ec67
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1526193
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936/
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Create hunting rule
Status:
Malicious
First seen:
2024-10-03 09:38:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rk6km55ym3b7po4vkjbdbveqvhzt5ggrnf5j6jn5a6mphyaw7e3a._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
06eb284366b1e9ef0cb5dde4f81e8ad974370d6ca1cf6e9969a9721ee5a6df2d
XWorm
39962cdef1efccb262b01e3bc41e4380ed1f925885f1a22178e505f5c440887a
XWorm
4af6214cb055e4927edac5d42439c77c2c732c9a51b18bed148da55bd1d2387c
XWorm
528d569e3c55bab9d8d7908bb70e51efa1532eaae2ce097a7884b5bf5e239726
XWorm
604684d8a860ca44c0bb7a05797883b2dec1706667dd94b5e2448fbbf2cea622
XWorm
8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936
XWorm
error
XWorm
f7a08ebdae40fcb8cdc61a569fdf42b9e65d2dd8f88a4cca9cae0e632a3d8f53
XWorm
+ 1'443 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/241004-zkt5wavglr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
toskaadmx.duckdns.org:7000
Verdict:
Malicious
Tags:
rat xworm asyncrat asyncrat
YARA:
win_mal_XWorm MALWARE_Win_XWorm win_xworm_bytestring
Link:
https://app.threat.zone/submission/119593d5-6ee0-41b4-94a8-e13d259521be
Unpacked files
SH256 hash:
8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936
MD5 hash:
b5fdff62df0afd88fc8173df7201e416
SHA1 hash:
2bb2a6d68e50d3e7e263a1549ce82696f8d1e9e0
Detections:
XWorm
Create hunting rule
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/dacf88a9-febe-4ac7-9e37-ee43d8d50c3b/
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/8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936

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:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades

File information

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

1c65888a5d5ac545724e489642bc491cc1ffd341e9d7640d9cf7ca383b5c9019

XWorm

Executable exe 8abca677b866c3f7bb95524230d490a9f33e98d1697a9f25bd0798f3e016f936

(this sample)

  
Dropped by
SHA256 1c65888a5d5ac545724e489642bc491cc1ffd341e9d7640d9cf7ca383b5c9019
  
Dropped by
MD5 5d0d83d7345d9c564f3e3cc57faf4ce7
  
URLhaus
https://urlhaus.abuse.ch/url/3213103/
  
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