MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf. 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

Formbook

Vendor detections: 16

Intelligence 16 IOCs YARA 13 File information Comments

SHA256 hash:	5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf
SHA3-384 hash:	e00b3f4e94eb9c3f6872563807c20044c7a5c63bb8bbe3a89ecaf1634c715f88db9375191995f6a516d0cb772e75c6f5
SHA1 hash:	71e2478abe5f98adcedfe8e9666519ab8b649643
MD5 hash:	6bb9b6f20191d1bf08989353079903f4
humanhash:	three-east-virginia-delaware
File name:	BootstrapperV1.19.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	103'424 bytes
First seen:	2024-10-04 16:32:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d59a4a699610169663a929d37c90be43 (78 x DCRat, 23 x njrat, 18 x SalatStealer)
ssdeep	1536:9BoBYQ6VnoeKrlhtJFbFeubZVj66LU7NOL60Emkt:9BqYvxoeKrDt7bFewF/UxOL68kt
TLSH	T150A34A187BE54125D1FE9AB44CF37155AA39B2331902CD0FF89702DB06FF988BA15EA4
TrID	38.0% (.EXE) Win32 Executable Delphi generic (14182/79/4) 28.2% (.EXE) Win64 Executable (generic) (10523/12/4) 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	aachum
Tags:	exe xworm

iamaachum

https://github.com/getsolaraV3/SolaraV3/blob/main/BootstrapperV1.19.rar

Intelligence

File Origin

# of uploads :

# of downloads :

434

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

BootstrapperV1.19.exe

Verdict:

No threats detected

Analysis date:

2024-10-04 16:34:03 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/eaef5d67-a036-4a30-b670-5297eb56ecf6

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=670018c00fdf8887097d290e

Tags:

Powershell Dropper Remo Sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% directory

Сreating synchronization primitives

Creating a process from a recently created file

Running batch commands

Launching a process

Creating a file

Sending a UDP request

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Creating a process with a hidden window

Creating a file in the %AppData% directory

Creating a window

Unauthorized injection to a recently created process

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Setting a global event handler for the keyboard

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat backdoor borland_delphi fingerprint lolbin packed rat schtasks shell32

Link:

https://www.filescan.io/uploads/670018c72ffc4aa29593f50b/reports/8e5008a3-bad2-463b-bf53-3850d25fe719/overview

Verdict:

Malicious

Labled as:

Dropper.Generic.Malware.SFL

Link:

https://www.hybrid-analysis.com/sample/5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d588a3d5-b048-490a-9a84-b3c3cfd0840c

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1526093

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

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Check if machine is in data center or colocation facility

Connects to many ports of the same IP (likely port scanning)

Contains functionality to capture screen (.Net source)

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Loading BitLocker PowerShell Module

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sample uses string decryption to hide its real strings

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Script Interpreter Execution From Suspicious Folder

Sigma detected: Suspicious Script Execution From Temp Folder

Suricata IDS alerts for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Uses ping.exe to check the status of other devices and networks

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected Generic Downloader

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf

Detection:

xworm

Link:

https://mwdb.cert.pl/sample/5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf/

Threat name:

Win32.Trojan.Dorv

Status:

Malicious

First seen:

2024-10-04 16:33:09 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

36 of 38 (94.74%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lrjms5otfirlm3nccnafldjbluo27h6c4oow2dchcrzogtsaglhq._file

Verdict:

malicious

Label(s):

xworm

Similar samples:

error

Formbook

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm discovery rat trojan

Link:

https://tria.ge/reports/241004-t2hkhsvbkn/

Behaviour

Runs ping.exe

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Checks computer location settings

Detect Xworm Payload

Xworm

Verdict:

Malicious

Tags:

rat xworm asyncrat

YARA:

win_mal_XWorm ByteCode_MSIL_Backdoor_AsyncRAT MALWARE_Win_XWorm

Link:

https://app.threat.zone/submission/5dbdb90c-523b-4d78-bb53-1bfd154b814f

Unpacked files

SH256 hash:

02d47c50689a75a460aa355b22854fd91efabcf46b94df50cdf89159f3ceb136

MD5 hash:

b1481c4b2573176db180e90adf7ff0e2

SHA1 hash:

9d252cbc2b93b99e10a56586d36f48771f15b7f3

Detections:

win_xworm_w0

Link:

https://www.unpac.me/results/980f3d0e-b0a5-4e99-bb9a-c2df4132665e/

SH256 hash:

8f80603dedbb77490f083fd84ae8573bd744084344cdaa3d22fe4845c4623208

MD5 hash:

85ae43ab3b39f2ea868503f8f468c128

SHA1 hash:

c1741ff08e1ba095a3e9451a084dba19eaa10ea9

Link:

https://www.unpac.me/results/980f3d0e-b0a5-4e99-bb9a-c2df4132665e/

SH256 hash:

28743bfe3c1122b90361be0289a9ad621d13af043f8f6ef440996ac4bb512641

MD5 hash:

e42c6879fc69f3b1ba55b2cd42d9b98e

SHA1 hash:

f232271a1311465a9473c52429336bd261161e07

Link:

https://www.unpac.me/results/980f3d0e-b0a5-4e99-bb9a-c2df4132665e/

SH256 hash:

5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf

MD5 hash:

6bb9b6f20191d1bf08989353079903f4

SHA1 hash:

71e2478abe5f98adcedfe8e9666519ab8b649643

Detections:

win_xworm_w0

cn_utf8_windows_terminal

Link:

https://www.unpac.me/results/980f3d0e-b0a5-4e99-bb9a-c2df4132665e/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5c52c975d32a/report/overview.html

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/5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf

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:	ByteCode_MSIL_Backdoor_AsyncRAT Create hunting rule
Author:	ReversingLabs
Description:	Yara rule that detects AsyncRAT backdoor.

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	dsc Create hunting rule
Author:	Aaron DeVera
Description:	Discord domains

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	MALWARE_Win_AsyncRAT Create hunting rule
Author:	ditekSHen
Description:	Detects AsyncRAT

Rule name:	MALWARE_Win_XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	win_xworm_w0 Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects win.xworm.

Rule name:	xworm Create hunting rule
Author:	jeFF0Falltrades

File information

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

Web download

Formbook

exe 5c52c975d32a22b66da21340558d215d1daf9fc2e39d6d0c471472e34e4032cf

(this sample)

Link

https://tria.ge/241004-tzfyxavakr/

Delivery method

Distributed via web download

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN32_PROCESS_API	Can Create Process and Threads	kernel32.dll::CloseHandle
WIN_BASE_IO_API	Can Create Files	kernel32.dll::CreateFileA kernel32.dll::GetWindowsDirectoryA kernel32.dll::GetSystemDirectoryA kernel32.dll::GetTempPathA

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