MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2. 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: 13


Intelligence 13 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2
SHA3-384 hash: 4c5478024c854d3c80b70c7fad71f80b6c311b2fb0a5b926be45b9e329d1fe044ba68afa9af55b3dd083f715ab8770b5
SHA1 hash: 4355493bf39d0aed8faa64289903bcbea21012bf
MD5 hash: 1cbca4b629db1d4f018c34ef73a5e30b
humanhash: bravo-failed-edward-echo
File name:bL3l.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:58'368 bytes
First seen:2023-10-06 17:47:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:3le3m0XCiB6d0P8g0dYfzuZb4efaaOlnwh05:1e3m+CiBR2quZb4cOlnw65
Threatray 66 similar samples on MalwareBazaar
TLSH T1FD437C1C77E88125E0FF5EB41DA2B652E3B5F6931A03D74F34DD029A1B1798C8A053EA
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:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
326
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

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

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Setting a global event handler for the keyboard
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2
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/b60c9065-ebbe-4f71-98cb-db8825a692fe
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1321177
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Found potential dummy code loops (likely to delay analysis)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2/
Threat name:
ByteCode-MSIL.Trojan.XWorm
Create hunting rule
Status:
Malicious
First seen:
2023-04-11 14:22:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s6oyx2y43mb3jdqtx24agqjwv2zitg7ug7hbja6p6z4xnidqnwza._file
Verdict:
malicious
Similar samples:
0b04d44318591e8dde1ac1cdd2ae725f97932aac7a471eacecf604bb1b76c898
XWorm
3d3e6df58bc4c81e9ba397b70246ec535b8e50cc01170b6be392566ccabaa7a4
XWorm
52d48762de1d1b88a9d5b1edb26ef678a1d5899e5521f1b49de0fdc159db899c
XWorm
72e72897d0386da8763e998e2b32cc996e500fe3db22556880cfb7b53f66199d
XWorm
90e01d9e7329b5ece0778944afd455fa2cc55b27e4d78d7bc3f6a884a3b01c3d
XWorm
9c047638b906f4c825ac82e04cdcfeadcd724a00984b74158fae664da5da8bc4
XWorm
cf479eb23e6252acce467b8cfc14182ac725659ef8fa5c28b9271a067756955c
XWorm
d9c88ab29f40ca6865aa0b0a99e8fe0ad9e00d57c88e084e94d70bf2ecf53b62
XWorm
ea87bdca84791d7b13f4fae8744f3ef3ec81261be2b57f4dde80d9a2bcebdb2d
XWorm
ecfe634b75153c27d0e4bcaf3bf931aca1b64189254c8e08ffb04dc603915a55
XWorm
+ 56 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/231006-wde6laeg3y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
103.114.106.183:47074
Unpacked files
SH256 hash:
979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2
MD5 hash:
1cbca4b629db1d4f018c34ef73a5e30b
SHA1 hash:
4355493bf39d0aed8faa64289903bcbea21012bf
Detections:
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/e6ec9961-9c96-44c2-80e4-fbf06f9a7258/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/979d8beb1cdb/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/979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2

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
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_delivery_check_g0
Create hunting rule
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

XWorm

Executable exe 979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2

(this sample)

  
Link
https://www.virustotal.com/gui/file/979d8beb1cdb03b48e13beb8034136aeb2899bf437ce1483cff67976a0706db2/detection
  
Delivery method
Distributed via web download

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