MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c621cd7b5bb81d20c8b61373075f4754e47ff429e3dd455c9666fa5a6e4eddc. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1c621cd7b5bb81d20c8b61373075f4754e47ff429e3dd455c9666fa5a6e4eddc
SHA3-384 hash: 255010183d983d6080ab819a305184d48df608d6b399dfda8598e4a4517272f79d9aabc922c4ea5556ba6b8235fb7384
SHA1 hash: f55e81804f78dfb8968093ba2531a3d05ae54d21
MD5 hash: b7432922236abad04ef98f477c63f14d
humanhash: uranus-beryllium-music-black
File name:b7432922236abad04ef98f477c63f14d.dll
Download: download sample
Signature XWorm
Create hunting rule
File size:280'576 bytes
First seen:2023-08-25 12:09:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 641b8b17e4eb3d0279afaa5eba9b79e9 (1 x XWorm)
ssdeep 6144:v6eUBCQtPecNFJRXD4MDfaQu9vJTyZcBnQn:i9BCwZvJ944pwvcZM
Threatray 1 similar samples on MalwareBazaar
TLSH T17F54AE16F64120BDE46AC0B8424756217AB6BC880B21BDFF17A4763A7D76BF01E3C758
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:dll exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b7432922236abad04ef98f477c63f14d.dll
Verdict:
No threats detected
Analysis date:
2023-08-25 12:18:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/61cf8bab-8d68-46ee-9739-5aeaaeb64cd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/444751/
Detection(s):
SecuriteInfo.com.Win64.InjectorX-gen.6357.26684.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Setting a global event handler for the keyboard
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/108575/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
75%
Tags:
anti-debug donut masquerade zusy
Link:
https://www.filescan.io/uploads/64e89a1c5ec4a86232609daa/reports/2decd733-ef9e-4e2e-824c-8dbd905973d2/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/1c621cd7b5bb81d20c8b61373075f4754e47ff429e3dd455c9666fa5a6e4eddc
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f8660c5-ff20-4575-8f9d-42885535f47b
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1297370
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 URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1297370 Sample: b3pWMO5RsY.exe Startdate: 25/08/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 9 other signatures 2->40 8 loaddll64.exe 2 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 regsvr32.exe 1 8->12         started        14 rundll32.exe 1 8->14         started        16 4 other processes 8->16 process5 18 rundll32.exe 2 10->18         started        22 notepad.exe 12->22         started        24 notepad.exe 14->24         started        26 notepad.exe 16->26         started        28 notepad.exe 16->28         started        dnsIp6 32 churchxx.ddns.net 85.239.243.204, 49716, 7000 CASABLANCA-ASInternetCollocationProviderCZ Czech Republic 18->32 42 System process connects to network (likely due to code injection or exploit) 18->42 30 notepad.exe 18->30         started        signatures7 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1c621cd7b5bb81d20c8b61373075f4754e47ff429e3dd455c9666fa5a6e4eddc/
Threat name:
Win64.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2023-08-23 17:04:19 UTC
File Type:
PE+ (Dll)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=drrbzv5vxoa5edelme3ta5puovhep72cty65ivojmzx2ljxe5xoa._file
Verdict:
malicious
Similar samples:
fcf532d6bfb6e1c5707b341f7a7ef6f7ee09003f6d4314064ab69d89403acc09
XWorm
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/230825-pb17qadc8w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
1c621cd7b5bb81d20c8b61373075f4754e47ff429e3dd455c9666fa5a6e4eddc
MD5 hash:
b7432922236abad04ef98f477c63f14d
SHA1 hash:
f55e81804f78dfb8968093ba2531a3d05ae54d21
Link:
https://www.unpac.me/results/df2dc84f-6522-4706-a131-efcb39d86a12/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1c621cd7b5bb/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/1c621cd7b5bb81d20c8b61373075f4754e47ff429e3dd455c9666fa5a6e4eddc

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/444751/

Comments