MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10092bca5b72fe5613e2c2d83adbba3f8d84563b172789ba8220811edbac8759. 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: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 10092bca5b72fe5613e2c2d83adbba3f8d84563b172789ba8220811edbac8759
SHA3-384 hash: b9bb3a356860ff5375fb5a0b71ff62c2351eadf76d8a35b46a67521400ca7b63497295273295ed1ac35118a4748642e7
SHA1 hash: 0c3decdb6885178ba963f577a0cb39566b0493be
MD5 hash: 8f9efa1e733425b4bc400cf43e51e847
humanhash: lima-mobile-island-mountain
File name:setup.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'141'248 bytes
First seen:2024-08-02 15:16:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (132 x DCRat, 113 x njrat, 80 x RedLineStealer)
ssdeep 24576:f3XauJWpUzlg8Ga7TVDlpDpeQzpt9CIvZCK2CT:/Ks+URgITZbNZTb
TLSH T16535336AC0D51E8BE359D9F3E7B3DB74E48236E4E0790803AE38264DC716D3945B62C9
TrID 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
19.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.1% (.EXE) Win32 Executable (generic) (4504/4/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Chainskilabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
368
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2024-08-02 15:18:51 UTC
Tags:
xworm enigma antivm evasion pastebin
Link:
https://app.any.run/tasks/9849667d-8bc2-47d1-96c8-4e688c10e5a6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66acf872037b02d0daed2497
Tags:
Discovery Network Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Creating a window
Сreating synchronization primitives
Searching for analyzing tools
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma lolbin obfuscated packed packed shell32
Link:
https://www.filescan.io/uploads/66acf8768f66298c01f51f35/reports/3316fc20-418e-45da-96ec-390a50f7aa7e/overview
Verdict:
Malicious
Labled as:
Packed.Enigma
Link:
https://www.hybrid-analysis.com/sample/10092bca5b72fe5613e2c2d83adbba3f8d84563b172789ba8220811edbac8759
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.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/180f180f-0476-4cb1-b3cd-4a8054a96a16
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1486905
Signature
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
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides threads from debuggers
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 dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1486905 Sample: setup.exe Startdate: 02/08/2024 Architecture: WINDOWS Score: 100 43 pastebin.com 2->43 45 ip-api.com 2->45 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for dropped file 2->53 55 Antivirus / Scanner detection for submitted sample 2->55 59 14 other signatures 2->59 8 setup.exe 16 6 2->8         started        13 Gorilla Hack.exe 2->13         started        15 Gorilla Hack.exe 2->15         started        17 3 other processes 2->17 signatures3 57 Connects to a pastebin service (likely for C&C) 43->57 process4 dnsIp5 47 ip-api.com 208.95.112.1, 49730, 49740, 80 TUT-ASUS United States 8->47 49 pastebin.com 172.67.19.24, 443, 49737 CLOUDFLARENETUS United States 8->49 39 C:\Users\user\AppData\...behaviorgraphorilla Hack.exe, PE32 8->39 dropped 63 Detected unpacking (changes PE section rights) 8->63 65 Protects its processes via BreakOnTermination flag 8->65 67 Bypasses PowerShell execution policy 8->67 73 3 other signatures 8->73 19 powershell.exe 21 8->19         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 3 other processes 8->26 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->69 71 Hides threads from debuggers 13->71 file6 signatures7 process8 file9 61 Loading BitLocker PowerShell Module 19->61 29 conhost.exe 19->29         started        31 conhost.exe 22->31         started        33 conhost.exe 24->33         started        41 C:\ProgramData\Microsoft\...\Report.wer, Unicode 26->41 dropped 35 conhost.exe 26->35         started        37 conhost.exe 26->37         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/10092bca5b72fe5613e2c2d83adbba3f8d84563b172789ba8220811edbac8759
Detection:
shortloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/10092bca5b72fe5613e2c2d83adbba3f8d84563b172789ba8220811edbac8759/
Threat name:
Win32.Backdoor.Xworm
Create hunting rule
Status:
Malicious
First seen:
2024-08-01 20:43:18 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=caesxss3ol7fme7cylmdvw52h6gyivr3c4tytoucecar5w5mq5mq._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/240802-sn1y9syhmn/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b4416c84-ed93-4cc9-8148-6dd42af87a9e
Unpacked files
SH256 hash:
10092bca5b72fe5613e2c2d83adbba3f8d84563b172789ba8220811edbac8759
MD5 hash:
8f9efa1e733425b4bc400cf43e51e847
SHA1 hash:
0c3decdb6885178ba963f577a0cb39566b0493be
Detections:
SUSP_XORed_URL_In_EXE
Create hunting rule
Link:
https://www.unpac.me/results/98fdd6b5-ce74-43ec-961d-872921d2161e/
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/10092bca5b72fe5613e2c2d83adbba3f8d84563b172789ba8220811edbac8759

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:SUSP_XORed_URL_In_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

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