MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 256cbca7b748ca80e02362179109552dd7b49178dceb8ffc3b00afb8e6b06ad2. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 256cbca7b748ca80e02362179109552dd7b49178dceb8ffc3b00afb8e6b06ad2
SHA3-384 hash: ffa9bc858d5964324d5efa70fdbe25ef6e8ed53d2c5e44f6ce00aee0f97d7e8ae35411aa18e3ee44f261b3d4d82eee77
SHA1 hash: 61fc8411fb63c9acdcfb36c853d5f7b66d1c063f
MD5 hash: 7c206d9bff05c0f5ee829ad163cc558d
humanhash: uniform-green-solar-seven
File name:SKM_380785142007.bat
Download: download sample
File size:2'573'800 bytes
First seen:2024-08-30 07:06:05 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 24576:B6JceZ/ZQ171mZeoLOU87CIkFgairqYYyi2v2UDGQfTJZTpln0WQdIu74YN5VWyW:UZyOTOdCFFg/qVUDDXF6shmZTQrr1X
TLSH T17DC53304BE589E5A8618C235B61FAC3C4F719F835C14E0F75A2960CB1AAFFC1852BD79
Magika batch
Reporter JAMESWT_WT
Tags:154-216-20-37 bat SKM380785142007 Spam-ITA

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SKM_380785142007.bat
Verdict:
Malicious activity
Analysis date:
2024-08-30 07:10:00 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/66f76646-4cc8-4f06-8ad8-ffb9aad26b71

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Generic.BatLdObf.A.27A8A6FB.7107.5842.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d16f5ff1a57bfb70915d4f
Tags:
Encryption Execution Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching cmd.exe command interpreter
Launching a process
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm masquerade
Link:
https://www.filescan.io/uploads/66d16f9a1c7fd2cfb706858b/reports/472ab837-ad6d-425b-aed8-98915768edfe/overview
Verdict:
Suspicious
Labled as:
Trojan/BAT.Agent
Link:
https://www.hybrid-analysis.com/sample/256cbca7b748ca80e02362179109552dd7b49178dceb8ffc3b00afb8e6b06ad2
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501672
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Found large BAT file
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Powershell is started from unusual location (likely to bypass HIPS)
Reads the Security eventlog
Reads the System eventlog
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1501672 Sample: SKM_380785142007.bat Startdate: 30/08/2024 Architecture: WINDOWS Score: 100 26 Malicious sample detected (through community Yara rule) 2->26 28 Yara detected AntiVM3 2->28 30 .NET source code contains potential unpacker 2->30 32 6 other signatures 2->32 8 cmd.exe 1 2->8         started        process3 process4 10 SKM_380785142007.bat.Nrn 1 17 8->10         started        13 xcopy.exe 2 8->13         started        16 conhost.exe 8->16         started        18 2 other processes 8->18 file5 34 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->34 36 Writes to foreign memory regions 10->36 38 Powershell is started from unusual location (likely to bypass HIPS) 10->38 40 3 other signatures 10->40 20 InstallUtil.exe 2 10->20         started        24 C:\Users\user\...\SKM_380785142007.bat.Nrn, PE32 13->24 dropped signatures6 process7 process8 22 WerFault.exe 4 20->22         started       
Score:
76%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/256cbca7b748ca80e02362179109552dd7b49178dceb8ffc3b00afb8e6b06ad2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/256cbca7b748ca80e02362179109552dd7b49178dceb8ffc3b00afb8e6b06ad2/
Threat name:
Script.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-08-30 05:58:53 UTC
File Type:
Text (Batch)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=evwlzj5xjdfibybdmilzcckvfxl3jely3tvy77b3acx3rzvqnlja._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery evasion persistence
Link:
https://tria.ge/reports/240830-jktaksvarp/
Behaviour
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Sets file to hidden
Suspicious use of NtCreateUserProcessOtherParentProcess
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.92
Link:
https://yomi.yoroi.company/submissions/256cbca7b748ca80e02362179109552dd7b49178dceb8ffc3b00afb8e6b06ad2

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:BlackGuard_Rule
Create hunting rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Comments