MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb
SHA3-384 hash: c604351402ccb384405d4b891c0a407efb40a96d4f61ea485d59b783a808ed668955cf0aff0649eeb92f02ed1d03afc7
SHA1 hash: 47269bbc68c1290071d5379db62bf6f30b377a32
MD5 hash: d600de61c27a7097074c4e1975d0da60
humanhash: mars-white-harry-oven
File name:PETRONAS Profile & Requests folders.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'200'640 bytes
First seen:2025-03-31 05:09:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:su6J33O0c+JY5UZ+XC0kGso6FaR1s95KEEuctG/JUQ6umId5HmWY:2u0c++OCvkGs9FaR12vctGuM5VY
TLSH T1EA45CF2273DDC360CB669173BF6AB7016EBF7C614630B85B2F880D7DA950162162D7A3
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
526
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PETRONAS Profile & Requests folders.exe
Verdict:
No threats detected
Analysis date:
2025-03-31 05:10:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/ca5fc853-3b2f-4e57-b746-85d8fdbe03a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ea2575855e5ec5240aa560
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script cscript evasive fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected wscript
Link:
https://www.filescan.io/uploads/67ea23ae09c39f5498b6e033/reports/33abc58f-9ed9-4609-af03-0c67ceaf2ae1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da00bb2f-0cf0-4875-af86-38c4f02dcbbb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1652506
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-03-31 03:09:03 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wm4genvderykziorzynwsfgm4bk5fevkejbfluep5un3hbfl665q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_036
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250331-ftr74atvft/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/d458f26b-0c81-4efe-af51-a531e39d58b5
Unpacked files
SH256 hash:
b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb
MD5 hash:
d600de61c27a7097074c4e1975d0da60
SHA1 hash:
47269bbc68c1290071d5379db62bf6f30b377a32
Link:
https://www.unpac.me/results/959a594e-2b08-4e9b-80ab-765add5a7daa/
SH256 hash:
27cb13f36344d7530a378df36c70e3c6425e7a39b597016dee6e616cc74482e0
MD5 hash:
01a181552d564603165bb08d9132f599
SHA1 hash:
4820119632154c24b50ac92597e3c64ebf09b875
Link:
https://www.unpac.me/results/959a594e-2b08-4e9b-80ab-765add5a7daa/
SH256 hash:
e4531c4d1903a6c856fe057cb5563f086842d25135d7bc96435eb3d9f728d9da
MD5 hash:
adb91b115a56244dffc783ba0bdf1bb6
SHA1 hash:
f797e264d10bf0a3e3d080d197606adfdbaaffee
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/959a594e-2b08-4e9b-80ab-765add5a7daa/
Parent samples :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 family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3386236a324/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

Formbook

Executable exe b3386236a32470aca1d1ce1b6914cce055d292aa224255d08fed1bb384abf7bb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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