MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 2b56e825cc2e772bc4fc4ba70da59ecdb9ff305982bcef1af9f577ff6cd07875. 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
NanoCore
Vendor detections: 12
| SHA256 hash: | 2b56e825cc2e772bc4fc4ba70da59ecdb9ff305982bcef1af9f577ff6cd07875 |
|---|---|
| SHA3-384 hash: | 3c5f3f9852c2a186167ea4bdb3bc958a7b28c174fb6f81596e1c22af3a40167a796f15996dd17c6068ca80140d66c11f |
| SHA1 hash: | 14ea103b91082e2f89c2c6c5ff8a5475e22ab331 |
| MD5 hash: | 7a6d17a799821dfcccf27ece2f4dfffc |
| humanhash: | autumn-dakota-two-double |
| File name: | confirmation.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'248'768 bytes |
| First seen: | 2023-05-11 08:15:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:wBdtHRL5sgP5+LZ5Wc25Wjndr1bUA+hGZ6jEsQR83f:yHl5+L85WjZS4 |
| Threatray | 671 similar samples on MalwareBazaar |
| TLSH | T19E45D0731AC3FEF997A54E94E84116048DC07CBB5B2CB0A4FC8CB1AA76E45649A5DCF0 |
| TrID | 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
351
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
confirmation.exe
Verdict:
Malicious activity
Analysis date:
2023-05-11 08:15:40 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Verdict:
Suspicious
Threat level:
5/10
Confidence:
80%
Tags:
packed
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
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.
Verdict:
Unknown
Result
Threat name:
XWorm
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Packed.Generic
Status:
Suspicious
First seen:
2023-05-11 08:16:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
1/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
nanocorerat
Similar samples:
+ 661 additional samples on MalwareBazaar
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Xworm
Malware Config
C2 Extraction:
xwormpeople.duckdns.org:7000
Unpacked files
SH256 hash:
489a3c57c0a4ff0a7f22173239278395a69f8a84e07f7136def963c901b96b8e
MD5 hash:
2e2a6f84ff7897a7ff56aedd7ec7a532
SHA1 hash:
083ea7e1093f2ca8838568a6b3236a575239f5d2
Detections:
XWorm
SH256 hash:
3d524b1dcf2ac2e15337a4f701a13c42ec5a0a9584fb78baee0801867d3471f8
MD5 hash:
5e53851839d6bd7cd0d4bdbc90add06e
SHA1 hash:
fe90207ee5c90b7d3a9ed4bb1b377aeee45eab2a
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
SH256 hash:
2b56e825cc2e772bc4fc4ba70da59ecdb9ff305982bcef1af9f577ff6cd07875
MD5 hash:
7a6d17a799821dfcccf27ece2f4dfffc
SHA1 hash:
14ea103b91082e2f89c2c6c5ff8a5475e22ab331
Verdict:
Malicious
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | MALWARE_Win_AsyncRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects AsyncRAT |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_DOTNET_PE_List_AV |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detecs .NET Binary that lists installed AVs |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.