MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f. 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: 19


Intelligence 19 IOCs YARA 7 File information Comments
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SHA256 hash: 92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f
SHA3-384 hash: 14f5753d0fcce0e72a19e57321313a54c7a51b09ce741558afd1feb5190dc86df01ddb5cd58c1d08a2ba44d3deb7e0d8
SHA1 hash: 297a663f3b64fb9863164d10ac698bef03dd3a0f
MD5 hash: 7823e902900881094372948957825fe1
humanhash: monkey-march-thirteen-hotel
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:3'507'712 bytes
First seen:2024-12-05 18:26:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:kAehczkVjrQEwCsO0FtOyjQJRch9FCXuHxcXYuQEnWSMhPYz9GSU7uu0cGVh9t0q:kAuDPy2Rpe0WVNYzMAL9htLAcbklta
TLSH T135F552C2C1E04AA1DBA01D7A5B6AD3591AD60767CA56E351C73F12F31F22F3C21B81E6
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe FormBook


Avatar
Bitsight
url: http://31.41.244.11/files/1818813749/wL3EGdM.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
421
Origin country :
US US
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
d94506b192d68e1a3e0330db62fd84d4c1b98597869a4f831a06e7f73708714c
Verdict:
Malicious activity
Analysis date:
2024-12-05 18:28:06 UTC
Tags:
amadey botnet stealer loader lumma themida stealc antivm evasion telegram remote xworm netreactor ims-api generic
Link:
https://app.any.run/tasks/6d319b0a-8245-4cab-a314-44f97f5e137a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.24416.5927.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6751f078bc8c6beb3076202f
Tags:
autorun gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for analyzed file
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Running batch commands
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cryptor_detected net_reactor packed
Link:
https://www.filescan.io/uploads/6751f07bfff16d636b44d6f9/reports/42ff1d80-10e0-48ef-ae9a-2ccf51f2dff1/overview
Verdict:
Malicious
Labled as:
MSIL.Bladabindi.Generic
Link:
https://www.hybrid-analysis.com/sample/92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f
Malware family:
XWorm
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/79f274a4-50ca-486d-8539-5c52e9f79205
Result
Threat name:
PureLog Stealer, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1569488
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
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
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
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1569488 Sample: file.exe Startdate: 05/12/2024 Architecture: WINDOWS Score: 100 78 api.telegram.org 2->78 80 ip-api.com 2->80 88 Suricata IDS alerts for network traffic 2->88 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 96 14 other signatures 2->96 10 file.exe 1 5 2->10         started        14 file.exe 2->14         started        16 WindowsUpdaterConf.exe 2->16         started        18 5 other processes 2->18 signatures3 94 Uses the Telegram API (likely for C&C communication) 78->94 process4 file5 72 C:\Users\user\AppData\Roaming\file.exe, PE32 10->72 dropped 74 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 10->74 dropped 76 C:\Users\user\AppData\Local\...\file.exe.log, CSV 10->76 dropped 108 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->108 110 Creates autostart registry keys with suspicious names 10->110 112 Creates multiple autostart registry keys 10->112 118 6 other signatures 10->118 20 file.exe 16 6 10->20         started        25 cmd.exe 1 10->25         started        114 Multi AV Scanner detection for dropped file 14->114 116 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->116 27 WerFault.exe 14->27         started        29 WerFault.exe 16->29         started        31 WerFault.exe 18->31         started        33 WerFault.exe 18->33         started        35 WerFault.exe 18->35         started        37 WerFault.exe 18->37         started        signatures6 process7 dnsIp8 82 185.196.8.239, 49742, 7000 SIMPLECARRER2IT Switzerland 20->82 84 ip-api.com 208.95.112.1, 49730, 80 TUT-ASUS United States 20->84 86 api.telegram.org 149.154.167.220, 443, 49740 TELEGRAMRU United Kingdom 20->86 66 C:\Users\user\WindowsUpdaterConf.exe, PE32 20->66 dropped 98 Protects its processes via BreakOnTermination flag 20->98 100 Creates multiple autostart registry keys 20->100 102 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 20->102 104 Adds a directory exclusion to Windows Defender 20->104 39 powershell.exe 23 20->39         started        42 powershell.exe 23 20->42         started        44 powershell.exe 20->44         started        50 3 other processes 20->50 46 conhost.exe 25->46         started        48 timeout.exe 1 25->48         started        68 C:\ProgramData\Microsoft\...\Report.wer, Unicode 27->68 dropped 70 C:\ProgramData\Microsoft\...\Report.wer, Unicode 31->70 dropped file9 signatures10 process11 signatures12 106 Loading BitLocker PowerShell Module 39->106 52 conhost.exe 39->52         started        54 conhost.exe 42->54         started        56 conhost.exe 44->56         started        58 WindowsUpdaterConf.exe 50->58         started        60 conhost.exe 50->60         started        62 conhost.exe 50->62         started        process13 process14 64 WerFault.exe 58->64         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f
Detection:
shortloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f/
Threat name:
ByteCode-MSIL.Trojan.RemLoader
Create hunting rule
Status:
Malicious
First seen:
2024-12-05 18:27:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sljw4x5t7w7rbliqy6eayqabhqxcdofetyqheajx2k2ikfubem7q._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/241205-w3qzdswmgz/
Behaviour
Delays execution with timeout.exe
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 SetThreadContext
Adds Run key to start application
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
Xworm family
Malware Config
C2 Extraction:
185.196.8.239:7000
Verdict:
Malicious
Tags:
External_IP_Lookup
YARA:
n/a
Link:
https://app.threat.zone/submission/c7e94af2-f7c8-4248-a9f7-09822508dbce
Unpacked files
SH256 hash:
f86b976e0971201c5441809c2500e631538561c2d49599b028b61a0b858f81ef
MD5 hash:
7d647d899dcb4f934292773ea80233dc
SHA1 hash:
9c6d636f557abf5c746327b26a0e05e7df77600c
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/95dbe375-1ac9-4300-a180-4f46d9411f84/
SH256 hash:
2d0eaa7b561ceea544705d8cc375de53e3d1d0c2957e4e2885d247a125351ea9
MD5 hash:
efcf1f9f9d7947b624580f91dd09f8d7
SHA1 hash:
7e6c8f3c4a3870378f5ca0dd1be79d54d4d9a8d8
Detections:
XWorm
Create hunting rule
win_xworm_w0
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_xworm_simple_strings
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
win_xworm_bytestring
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/95dbe375-1ac9-4300-a180-4f46d9411f84/
SH256 hash:
92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f
MD5 hash:
7823e902900881094372948957825fe1
SHA1 hash:
297a663f3b64fb9863164d10ac698bef03dd3a0f
Link:
https://www.unpac.me/results/95dbe375-1ac9-4300-a180-4f46d9411f84/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/92d36e5fb3fd/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/92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f

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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:pe_imphash
Create hunting rule
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 92d36e5fb3fdbf10ad10c7880c40013c2e21b8a49e20720137d2b4851681233f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3332025/

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

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