MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d9e008828a19f6329b2ca4abcfdefa9b124e1eb5eb3270be8b6f1f77476b3d1. 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 14 File information Comments

SHA256 hash: 2d9e008828a19f6329b2ca4abcfdefa9b124e1eb5eb3270be8b6f1f77476b3d1
SHA3-384 hash: 5dc5408f7679b782db7547e1b0666cfda86b02292f79891824e97a980a2343f737b1580fde8d8ad1cf1838672170d526
SHA1 hash: a7d6e4d912d4d5b4dbfd0703a8af467d18f7b4ed
MD5 hash: fe3ab433cdc30a005e1616af15a6b0e9
humanhash: foxtrot-burger-hot-east
File name:2d9e008828a19f6329b2ca4abcfdefa9b124e1eb5eb3270be8b6f1f77476b3d1
Download: download sample
Signature Formbook
File size:1'627'744 bytes
First seen:2024-10-08 13:11:38 UTC
Last seen:2024-10-08 13:32:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 22a65106d3d84ea74d966fa0424a5a0c (8 x Formbook, 2 x AsyncRAT, 1 x AgentTesla)
ssdeep 49152:wAodtaG9kS2U84B+FLan9k5TRM9zloVj8Hn:Q/B1r
TLSH T1B575CF19E3A811FCE52BC674CA55A233E6B170560B21A5CB0B99C7452F73EE16B7F302
TrID 47.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
35.2% (.EXE) InstallShield setup (43053/19/16)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter adrian__luca
Tags:exe FormBook signed

Code Signing Certificate

Organisation:Microsoft Code Signing PCA 2011
Issuer:Microsoft Code Signing PCA 2011
Algorithm:sha256WithRSAEncryption
Valid from:2024-09-16T15:54:51Z
Valid to:2025-09-16T15:54:51Z
Serial number: e5392d06f0736dd0b86989db40d65bd4
Thumbprint Algorithm:SHA256
Thumbprint: 982835b2b5d1957a77cd3bbd0d105cfc6c8bb30e3e0f4acecc1ec7bb299f9d2c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
362
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
2d9e008828a19f6329b2ca4abcfdefa9b124e1eb5eb3270be8b6f1f77476b3d1
Verdict:
Malicious activity
Analysis date:
2024-10-08 13:11:17 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Powershell Injection Exploit Extens
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint hacktool lolbin microsoft_visual_cc overlay packed regedit shell32 signed
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1529015 Sample: dzkb5Gfd33.exe Startdate: 08/10/2024 Architecture: WINDOWS Score: 100 39 www.rocbotserver2.online 2->39 41 www.rey.app 2->41 43 11 other IPs or domains 2->43 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 6 other signatures 2->51 11 dzkb5Gfd33.exe 3 2->11         started        signatures3 process4 file5 37 C:\Users\user\dzkb5Gfd33.exe, PE32+ 11->37 dropped 53 Drops PE files to the user root directory 11->53 55 Writes to foreign memory regions 11->55 57 Allocates memory in foreign processes 11->57 59 3 other signatures 11->59 15 ilasm.exe 11->15         started        18 powershell.exe 23 11->18         started        20 conhost.exe 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 77 3 other signatures 15->77 22 explorer.exe 58 1 15->22 injected 75 Loading BitLocker PowerShell Module 18->75 24 WmiPrvSE.exe 18->24         started        26 conhost.exe 18->26         started        process9 process10 28 colorcpl.exe 22->28         started        31 autochk.exe 22->31         started        signatures11 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 65 Tries to detect virtualization through RDTSC time measurements 28->65 67 Switches to a custom stack to bypass stack traces 28->67 33 cmd.exe 1 28->33         started        process12 process13 35 conhost.exe 33->35         started       
Threat name:
Win64.Trojan.XWorm
Status:
Malicious
First seen:
2024-09-16 17:02:40 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gy15 discovery execution persistence rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
Runs regedit.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Adds policy Run key to start application
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Verdict:
Malicious
Tags:
formbook
YARA:
n/a
Unpacked files
SH256 hash:
2d9e008828a19f6329b2ca4abcfdefa9b124e1eb5eb3270be8b6f1f77476b3d1
MD5 hash:
fe3ab433cdc30a005e1616af15a6b0e9
SHA1 hash:
a7d6e4d912d4d5b4dbfd0703a8af467d18f7b4ed
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__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThreadpoolIo
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenerateSymmetricKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

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