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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bad55cf46dd6d96dd0b61b522d53d13616ee189e4cd036100920504f30115b8. 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


Vjw0rm


Vendor detections: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bad55cf46dd6d96dd0b61b522d53d13616ee189e4cd036100920504f30115b8
SHA3-384 hash: 8eb75fd68cb1dc4d80225a707c3bc493f8f38da572c54e936e2c41fb5bc734a096f246e60ab9a23df7b542706ac42e9e
SHA1 hash: 047b24620509004064079928de962e149082683f
MD5 hash: 83ce4a9e0f5cf19142cb629cc66c17c1
humanhash: four-tennessee-connecticut-social
File name:83CE4A9E0F5CF19142CB629CC66C17C1.exe
Download: download sample
Signature Vjw0rm
Create hunting rule
File size:737'280 bytes
First seen:2025-03-14 19:05:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a47a07f9e013e4d3faa72b51f29d500d (1 x Vjw0rm)
ssdeep 3072:2HTXh1+sOsOHrHT/gd+RbJEj0z7g5h0gL41XxEvfXBsJy7BcJL29xGqVhAIb21dJ:2HT33KP4gbJzT6+Jylc0eKjC
TLSH T1BCF4E027E9CACC32D1EE0578CCC6716FED15ED111A3C5E4BE6943B28FAE9D8025E4285
TrID 38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
28.2% (.EXE) Win64 Executable (generic) (10522/11/4)
12.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter abuse_ch
Tags:exe vjw0rm


Avatar
abuse_ch
Vjw0rm C2:
208.91.197.132:80

Intelligence

File Origin
# of uploads :
1
# of downloads :
501
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
wshrat
Create hunting rule
ID:
1
File name:
83CE4A9E0F5CF19142CB629CC66C17C1.exe
Verdict:
Malicious activity
Analysis date:
2025-03-14 19:10:28 UTC
Tags:
delphi autorun-reg autorun-startup wshrat remote
Link:
https://app.any.run/tasks/6ef71470-1e62-48be-8a43-f0cc09715e34

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d48ae53962f1a6f4716085
Tags:
backdoor autorun dinihou virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %temp% directory
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP POST request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
borland_delphi fingerprint lolbin wscript
Link:
https://www.filescan.io/uploads/67d47e2501edd28374b01f96/reports/c4aca227-3cb8-4f8d-b09a-9f28c684ad7e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/1bad55cf46dd6d96dd0b61b522d53d13616ee189e4cd036100920504f30115b8
Malware family:
Banload
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da35d162-2480-45cb-b145-0c7f5bcac16c
Result
Threat name:
n/a
Detection:
malicious
Classification:
adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1638825
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Download SVG
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1bad55cf46dd6d96dd0b61b522d53d13616ee189e4cd036100920504f30115b8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bad55cf46dd6d96dd0b61b522d53d13616ee189e4cd036100920504f30115b8/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-03-12 11:35:47 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dowvlt2g3vwznxilmg2sfvj5cnqw5ymj4tgqgyiasicqj4ybcw4a._file
Verdict:
suspicious
Label(s):
latentbot
Create hunting rule
Similar samples:
error
Vjw0rm
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/250314-xr4lsaxsgt/
Behaviour
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Adds Run key to start application
Drops startup file
Verdict:
Malicious
Tags:
h_worm houdini
YARA:
n/a
Link:
https://app.threat.zone/submission/ea0b4059-4e93-4362-888d-8d529137aa7e
Unpacked files
SH256 hash:
1bad55cf46dd6d96dd0b61b522d53d13616ee189e4cd036100920504f30115b8
MD5 hash:
83ce4a9e0f5cf19142cb629cc66c17c1
SHA1 hash:
047b24620509004064079928de962e149082683f
Link:
https://www.unpac.me/results/e53cb3a7-5011-4cac-8746-706b398e101d/
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/1bad55cf46dd6d96dd0b61b522d53d13616ee189e4cd036100920504f30115b8

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:Borland
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
URL_MONIKERS_APICan Download & Execute componentsURLMON.DLL::MkParseDisplayNameEx
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegCreateKeyExA
advapi32.dll::RegDeleteKeyA
advapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
advapi32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageA
user32.dll::CreateWindowExA

Comments