MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c2526def5ac97d4f1d09403ef1febe5ecb0492de64c2d539db8760f2da27ad0. 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 2 File information Comments

SHA256 hash: 2c2526def5ac97d4f1d09403ef1febe5ecb0492de64c2d539db8760f2da27ad0
SHA3-384 hash: f3d0a280ed71a5152a0cf0b9f948f6765841b208d19713681d27ba5f7a9978ec00130947652ad409124005e25b64b5c9
SHA1 hash: 64eebce44a3543016c799f2eda4366e5cb0a6b28
MD5 hash: 707bffc466680fecf7db976a9b54d00e
humanhash: venus-fix-vermont-lima
File name:defr.exe
Download: download sample
Signature XWorm
File size:246'272 bytes
First seen:2023-03-30 17:27:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:bgEv6+C/py+C+V7LOp4Lmui9ZW33KBetk:bgEtEppNHmds/t
Threatray 138 similar samples on MalwareBazaar
TLSH T10A34D8E54A48C5A6E16F4F7850720C1602EBEF66F826F38F6DD070869B7B3C3542265B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 020d26231d9f9e01 (1 x XWorm)
Reporter abuse_ch
Tags:exe Telegram xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
defr.exe
Verdict:
Malicious activity
Analysis date:
2023-03-30 17:33:46 UTC
Tags:
opendir

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

Behaviour
Sending a UDP request
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
83%
Tags:
greyware packed
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:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 838346 Sample: defr.exe Startdate: 30/03/2023 Architecture: WINDOWS Score: 100 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 7 other signatures 2->48 8 defr.exe 16 7 2->8         started        13 MicrosoftSoftware.exe 2 2->13         started        process3 dnsIp4 38 95.214.24.37, 49687, 49690, 80 CMCSUS Germany 8->38 32 C:\Users\user\...\MicrosoftSoftware.exe, PE32 8->32 dropped 34 C:\...\MicrosoftSoftware.exe:Zone.Identifier, ASCII 8->34 dropped 36 C:\Users\user\AppData\Local\...\defr.exe.log, ASCII 8->36 dropped 50 Encrypted powershell cmdline option found 8->50 52 Writes to foreign memory regions 8->52 54 Injects a PE file into a foreign processes 8->54 15 RegAsm.exe 1 8->15         started        18 cmd.exe 1 8->18         started        20 powershell.exe 16 8->20         started        40 192.168.2.1 unknown unknown 13->40 56 Multi AV Scanner detection for dropped file 13->56 58 Machine Learning detection for dropped file 13->58 file5 signatures6 process7 signatures8 60 Bypasses PowerShell execution policy 15->60 62 Adds a directory exclusion to Windows Defender 15->62 22 powershell.exe 1 15->22         started        64 Encrypted powershell cmdline option found 18->64 24 powershell.exe 17 18->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 process10 30 conhost.exe 22->30         started       
Threat name:
ByteCode-MSIL.Trojan.Xworm
Status:
Malicious
First seen:
2023-03-30 17:28:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Xworm
Malware Config
C2 Extraction:
147.185.221.180:36603
Unpacked files
SH256 hash:
2c2526def5ac97d4f1d09403ef1febe5ecb0492de64c2d539db8760f2da27ad0
MD5 hash:
707bffc466680fecf7db976a9b54d00e
SHA1 hash:
64eebce44a3543016c799f2eda4366e5cb0a6b28
Detections:
PureCrypter_Stage1
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments