MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7c1f9e094890a135131fea3083df258c2d7c6375aab3061fdf0b1e5b9c3ba66. 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 5 File information Comments

SHA256 hash: c7c1f9e094890a135131fea3083df258c2d7c6375aab3061fdf0b1e5b9c3ba66
SHA3-384 hash: f07d31e635ebe0d25459c679adfbaab85d7e999b55a01abf8e0304786f960c0dacee78d981008c073a24272ae17cf22e
SHA1 hash: f5df4852b3e5bd8edf944fb2f906dfb55f907f7e
MD5 hash: 1b9bce7d3cbc47c7ba7650beadb1522c
humanhash: bulldog-ohio-fillet-zulu
File name:Purchase Order-3794688347487387.scr
Download: download sample
Signature XWorm
File size:906'476 bytes
First seen:2024-01-11 02:10:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:yTbBv5rU/xBacdcBGa6mXcqIAXiAQFSDS:UBm80LAXiAVu
Threatray 2'455 similar samples on MalwareBazaar
TLSH T1F1150213BBC158B2C07219322974AB11ED7DBD202B648FDF67C04A1AEAE25C1D735F66
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f6e682b2b2542c2c (2 x XWorm, 1 x AveMariaRAT, 1 x Formbook)
Reporter abuse_ch
Tags:exe scr xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
333
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm autoit control greyware installer keylogger lolbin lolbin masquerade overlay packed replace setupapi sfx shdocvw shell32 wscript
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found API chain indicative of sandbox detection
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1372784 Sample: Purchase_Order-379468834748... Startdate: 11/01/2024 Architecture: WINDOWS Score: 100 66 Multi AV Scanner detection for domain / URL 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 9 other signatures 2->72 9 Purchase_Order-3794688347487387.scr.exe 3 41 2->9         started        13 ceeasu.xl.exe 1 1 2->13         started        15 ceeasu.xl.exe 2->15         started        17 ceeasu.xl.exe 2->17         started        process3 file4 60 C:\Users\user\AppData\Local\...\ceeasu.xl, PE32 9->60 dropped 84 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->84 19 wscript.exe 1 9->19         started        62 C:\Users\user\AppData\...\ceeasu.xl.exe.exe, PE32 13->62 dropped 86 Multi AV Scanner detection for dropped file 13->86 88 Found API chain indicative of sandbox detection 13->88 90 Writes to foreign memory regions 13->90 22 RegSvcs.exe 1 13->22         started        92 Allocates memory in foreign processes 15->92 94 Injects a PE file into a foreign processes 15->94 24 RegSvcs.exe 15->24         started        26 RegSvcs.exe 17->26         started        signatures5 process6 signatures7 74 Windows Scripting host queries suspicious COM object (likely to drop second stage) 19->74 28 cmd.exe 1 19->28         started        30 cmd.exe 1 19->30         started        33 cmd.exe 1 19->33         started        process8 signatures9 35 ceeasu.xl 1 39 28->35         started        39 conhost.exe 28->39         started        96 Uses ipconfig to lookup or modify the Windows network settings 30->96 41 conhost.exe 30->41         started        43 ipconfig.exe 1 30->43         started        45 conhost.exe 33->45         started        47 ipconfig.exe 1 33->47         started        process10 file11 52 C:\Users\user\AppData\Local\...\ceeasu.xl.exe, PE32 35->52 dropped 54 C:\Users\user\AppData\Local\...\ceeasu.xl, PE32 35->54 dropped 56 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 35->56 dropped 58 C:\Users\user\AppData\Local\...\ceeasu.xl.exe, PE32 35->58 dropped 76 Multi AV Scanner detection for dropped file 35->76 78 Found API chain indicative of sandbox detection 35->78 80 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 35->80 82 3 other signatures 35->82 49 RegSvcs.exe 2 35->49         started        signatures12 process13 dnsIp14 64 91.92.247.130, 2423 THEZONEBG Bulgaria 49->64
Threat name:
Win32.Trojan.Lisk
Status:
Malicious
First seen:
2023-12-27 23:49:24 UTC
File Type:
PE (Exe)
Extracted files:
71
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Gathers network information
Modifies registry class
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
Executes dropped EXE
Loads dropped DLL
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
91.92.247.130:2423
Unpacked files
SH256 hash:
c7c1f9e094890a135131fea3083df258c2d7c6375aab3061fdf0b1e5b9c3ba66
MD5 hash:
1b9bce7d3cbc47c7ba7650beadb1522c
SHA1 hash:
f5df4852b3e5bd8edf944fb2f906dfb55f907f7e
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information


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

Malspam

XWorm

Executable exe c7c1f9e094890a135131fea3083df258c2d7c6375aab3061fdf0b1e5b9c3ba66

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments