MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca9b7d7e6c9100b5f7987a56ade722b373343af8be2e498723219a8d6d993257. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments 1

SHA256 hash: ca9b7d7e6c9100b5f7987a56ade722b373343af8be2e498723219a8d6d993257
SHA3-384 hash: aaa698d02bec8c1de53dae566cbcb0f55b2b562ee673a374a9d1311eb8062a48527ef8506282fd20291c71bbab648266
SHA1 hash: c102e4fa585fd6a4005274cfa4150f4ffb59bfc3
MD5 hash: 93f01bd10921f4455e9577442cbadcec
humanhash: bravo-neptune-tennessee-mars
File name:93f01bd10921f4455e9577442cbadcec
Download: download sample
Signature Formbook
File size:647'680 bytes
First seen:2024-01-12 22:52:28 UTC
Last seen:2024-01-13 00:26:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:cfRtBargDbzJAOtQKa04bOuomQwdsHDQ28xs7Fv5n34Fbg9otZVoqYUfy1zpCYzi:cfRergzJAsa04quFiUFsnnQbg9otZ
Threatray 20 similar samples on MalwareBazaar
TLSH T18AD48C9C3650B5DFC86BC976C9A81C64EA607477831BE303A05712AD9E4E69BCF211F3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
362
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ca9b7d7e6c9100b5f7987a56ade722b373343af8be2e498723219a8d6d993257.exe
Verdict:
Malicious activity
Analysis date:
2024-01-12 22:53:56 UTC
Tags:
evasion xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert 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
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1374054 Sample: n1xXsLg7CL.exe Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 77 secure-connection.portmap.io 2->77 79 ip-api.com 2->79 85 Snort IDS alert for network traffic 2->85 87 Found malware configuration 2->87 89 Malicious sample detected (through community Yara rule) 2->89 91 12 other signatures 2->91 9 n1xXsLg7CL.exe 4 2->9         started        12 svc.exe 2->12         started        14 svc.exe 2->14         started        16 4 other processes 2->16 signatures3 process4 signatures5 95 Detected unpacking (changes PE section rights) 9->95 97 Detected unpacking (overwrites its own PE header) 9->97 99 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->99 105 5 other signatures 9->105 18 n1xXsLg7CL.exe 16 6 9->18         started        23 powershell.exe 23 9->23         started        101 Multi AV Scanner detection for dropped file 12->101 103 Adds a directory exclusion to Windows Defender 12->103 25 powershell.exe 12->25         started        27 svc.exe 12->27         started        29 svc.exe 14->29         started        31 powershell.exe 14->31         started        33 powershell.exe 16->33         started        35 powershell.exe 16->35         started        37 5 other processes 16->37 process6 dnsIp7 81 secure-connection.portmap.io 193.161.193.99, 49740, 49754, 62391 BITREE-ASRU Russian Federation 18->81 83 ip-api.com 208.95.112.1, 49732, 49753, 80 TUT-ASUS United States 18->83 75 C:\Users\user\AppData\Roaming\svc.exe, PE32 18->75 dropped 93 Adds a directory exclusion to Windows Defender 18->93 39 powershell.exe 23 18->39         started        41 powershell.exe 18->41         started        53 4 other processes 18->53 43 conhost.exe 23->43         started        45 conhost.exe 25->45         started        55 5 other processes 29->55 47 conhost.exe 31->47         started        49 conhost.exe 33->49         started        51 conhost.exe 35->51         started        file8 signatures9 process10 process11 57 conhost.exe 39->57         started        59 conhost.exe 41->59         started        61 conhost.exe 53->61         started        63 conhost.exe 53->63         started        65 conhost.exe 53->65         started        67 conhost.exe 55->67         started        69 conhost.exe 55->69         started        71 conhost.exe 55->71         started        73 2 other processes 55->73
Result
Malware family:
Score:
  10/10
Tags:
family:xworm rat trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
secure-connection.portmap.io:62391
Unpacked files
SH256 hash:
b3709609b830cde786e7ae10754b47bf4af66c67b20e7b6f12edd45c3c265dcd
MD5 hash:
acb58b61e23b207efe2e6432f36860e0
SHA1 hash:
fca4663d9b68d1d3a9d892918656f8e3e6c8dfd6
SH256 hash:
05c701e796567a98afd664481f2667abff69a58a6d8ad3af7616a27cc4f36ed4
MD5 hash:
4b462faff3377bfbfc79fa40c9e87b60
SHA1 hash:
f719f9c1dd83df22a212ac700cd56e20e7fd892c
SH256 hash:
7bc3b0fc93975222c5be1844ddedd7e1d932470905f158d1f0e2011a83ee1294
MD5 hash:
cfa6720bd1f18b004fdea654400eff2a
SHA1 hash:
872f973e4532eef84a0bc20e25ec57c06858b84c
Detections:
MALWARE_Win_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT
SH256 hash:
7637830cf6f098ecccf191260962e230257cdc077b5471b0afdbd46fda66f5fa
MD5 hash:
537e0db2dde6587ad2f5de8a8b9f127a
SHA1 hash:
7698b14797e57b226d8f3329653a049693227adc
SH256 hash:
ca9b7d7e6c9100b5f7987a56ade722b373343af8be2e498723219a8d6d993257
MD5 hash:
93f01bd10921f4455e9577442cbadcec
SHA1 hash:
c102e4fa585fd6a4005274cfa4150f4ffb59bfc3
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_delivery_check_g0

File information


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

Web download

Formbook

Executable exe ca9b7d7e6c9100b5f7987a56ade722b373343af8be2e498723219a8d6d993257

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-12 22:52:30 UTC

url : hxxps://infinitymetalcoating.com/wp-includes/securityhealths.exe