MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b2e37c9809a2ffa234e8eb9fa137fb2188c773a0cf2271514d617efb947d566. 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: 13


Intelligence 13 IOCs YARA 19 File information Comments

SHA256 hash: 4b2e37c9809a2ffa234e8eb9fa137fb2188c773a0cf2271514d617efb947d566
SHA3-384 hash: 11eb7a68345d61f199123870101703a581d81e8ad3527100703dbf4a4568772028cb54efd98c68613cf2cbcc2e0e2100
SHA1 hash: 00b74ac191c337de1b17b0b6c8aee6ad1746bb82
MD5 hash: f41ef729f02f8afcdf2cea268db43e84
humanhash: glucose-low-beryllium-lemon
File name:Product Listsd̴r̴o̴w̴..exe
Download: download sample
Signature Formbook
File size:2'845'184 bytes
First seen:2024-05-22 18:44:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 831064be1fe6420831761e783d40c435 (5 x AgentTesla, 1 x Formbook)
ssdeep 24576:+qCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJhekLg31+mYGnKBFbJETXHOaTKYfj:+P6hSrcCPT0JkLg31+mYGnKDuTXh3z1
Threatray 56 similar samples on MalwareBazaar
TLSH T16ED5AF05D7E402A4D47BD630CA69D732D371BC591B30D68F0A99FA562F739A28B3B312
TrID 72.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
13.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.EXE) OS/2 Executable (generic) (2029/13)
2.5% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon d4d4dcd6d2d8c4d4 (1 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
323
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
4b2e37c9809a2ffa234e8eb9fa137fb2188c773a0cf2271514d617efb947d566.exe
Verdict:
Malicious activity
Analysis date:
2024-05-22 20:05:52 UTC
Tags:
formbook stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Network Static Swotter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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 submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses nslookup.exe to query domains
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1446018 Sample: Product Listsd#U0334r#U0334... Startdate: 22/05/2024 Architecture: WINDOWS Score: 100 32 www.checkshirt.xyz 2->32 34 www.zy5569.cc 2->34 36 16 other IPs or domains 2->36 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 52 6 other signatures 2->52 10 Product Listsd#U0334r#U0334o#U0334w#U0334..exe 1 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 signatures5 66 Writes to foreign memory regions 10->66 68 Allocates memory in foreign processes 10->68 70 Injects a PE file into a foreign processes 10->70 13 ngen.exe 10->13         started        16 conhost.exe 10->16         started        18 svchost.exe 10->18         started        process6 signatures7 74 Maps a DLL or memory area into another process 13->74 20 pCheiXPfZtPFKOnoWsiHKK.exe 13->20 injected process8 signatures9 54 Uses nslookup.exe to query domains 20->54 56 Found direct / indirect Syscall (likely to bypass EDR) 20->56 23 nslookup.exe 13 20->23         started        process10 signatures11 58 Tries to steal Mail credentials (via file / registry access) 23->58 60 Tries to harvest and steal browser information (history, passwords, etc) 23->60 62 Modifies the context of a thread in another process (thread injection) 23->62 64 2 other signatures 23->64 26 pCheiXPfZtPFKOnoWsiHKK.exe 23->26 injected 30 firefox.exe 23->30         started        process12 dnsIp13 38 www.checkshirt.xyz 203.161.49.193, 49722, 49723, 49724 VNPT-AS-VNVNPTCorpVN Malaysia 26->38 40 lenslaser.com 162.241.216.140, 49750, 49751, 49752 UNIFIEDLAYER-AS-1US United States 26->40 42 9 other IPs or domains 26->42 72 Found direct / indirect Syscall (likely to bypass EDR) 26->72 signatures14
Threat name:
Win64.Trojan.Swotter
Status:
Malicious
First seen:
2024-05-21 03:56:56 UTC
File Type:
PE+ (Exe)
Extracted files:
36
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Runs regedit.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Adds policy Run key to start application
Unpacked files
SH256 hash:
4b2e37c9809a2ffa234e8eb9fa137fb2188c773a0cf2271514d617efb947d566
MD5 hash:
f41ef729f02f8afcdf2cea268db43e84
SHA1 hash:
00b74ac191c337de1b17b0b6c8aee6ad1746bb82
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__GlobalFlags
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::RevertToSelf
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::ImpersonateLoggedOnUser
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::VirtualAllocEx
KERNEL32.dll::VirtualAllocExNuma
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::DeleteVolumeMountPointW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleWindow
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::ReplaceFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptOpenAlgorithmProvider
bcrypt.dll::BCryptCloseAlgorithmProvider
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
ADVAPI32.dll::RegSetValueExA

Comments