MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dac651cbe8f5e84a14b48e356ffeecdcd90fdcf6b90ddb21375775f892ec6433. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: dac651cbe8f5e84a14b48e356ffeecdcd90fdcf6b90ddb21375775f892ec6433
SHA3-384 hash: 5eec3d33d9a399c2adc3bb425016ff7b618e545ebc31d91ad05d4b332f8cadd8d950c806d3867f5f088023f428f0feb6
SHA1 hash: 6b32bafc91b7875e772702398096b1970b899666
MD5 hash: 1ff5934f96adc9adc360946031346922
humanhash: echo-robert-potato-shade
File name:FormulardecontactDhlExpressifacturdetransportaerian.exe
Download: download sample
Signature Formbook
File size:1'208'832 bytes
First seen:2025-07-08 16:59:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Rtb20pkaCqT5TBWgNQ7aY6Q99vqr/uvWf+I6A:iVg5tQ7aY6eDKz5
Threatray 2'423 similar samples on MalwareBazaar
TLSH T16845CF1373DEC360C3B25273BA66B7016E7F782506A5F86B2FD4093DE920162525EA73
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:DHL exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
27
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
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
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
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)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1731182 Sample: FormulardecontactDhlExpress... Startdate: 08/07/2025 Architecture: WINDOWS Score: 100 26 www.tradingbeyond.xyz 2->26 28 www.cloudprototype.xyz 2->28 30 2 other IPs or domains 2->30 44 Suricata IDS alerts for network traffic 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected FormBook 2->48 50 Binary is likely a compiled AutoIt script file 2->50 10 FormulardecontactDhlExpressifacturdetransportaerian.exe 4 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 28->52 process4 signatures5 54 Binary is likely a compiled AutoIt script file 10->54 56 Writes to foreign memory regions 10->56 58 Maps a DLL or memory area into another process 10->58 60 Switches to a custom stack to bypass stack traces 10->60 13 svchost.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 0aar9gyimg.exe 13->16 injected process8 process9 18 SndVol.exe 13 16->18         started        signatures10 36 Tries to steal Mail credentials (via file / registry access) 18->36 38 Tries to harvest and steal browser information (history, passwords, etc) 18->38 40 Modifies the context of a thread in another process (thread injection) 18->40 42 3 other signatures 18->42 21 GD8HI6QUDo7.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.stoicmeaning.net 103.224.212.109, 49693, 49694, 49695 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->32 34 www.cloudprototype.xyz 13.248.169.48, 49692, 49697, 49698 AMAZON-02US United States 21->34
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86
Threat name:
Win32.Backdoor.FormBook
Status:
Malicious
First seen:
2025-07-08 07:29:42 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
dac651cbe8f5e84a14b48e356ffeecdcd90fdcf6b90ddb21375775f892ec6433
MD5 hash:
1ff5934f96adc9adc360946031346922
SHA1 hash:
6b32bafc91b7875e772702398096b1970b899666
SH256 hash:
b6f704997683de80ab9be7ec9f67b9f7e973b4726d6bcc49137c1b55abb05161
MD5 hash:
dad56f48ef135afadc3a1e2383964a04
SHA1 hash:
d63726a4f9d0f637a30567baf33051331c7ed306
SH256 hash:
3a1c31b67378c43bd8cc6e29974d916c001d77dc8a9021e8f5d7c1dc2ed83b61
MD5 hash:
7942c1a74ee67569d1000b3e96ab7ee0
SHA1 hash:
27d2d91b8a40aa6ff321b89ee6358360de76d8e2
SH256 hash:
de4d2dfa250f5adbec10128697c2b9cb41d3a73c00c4d970f5e227d24656fe3c
MD5 hash:
449d7eda90e2d68f80e25f6c3bee395f
SHA1 hash:
8b6a7ae19ba754ba19ad6b816514ba5489c73dbc
Detections:
win_formbook_g0
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:AutoIT_Compiled
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:YahLover
Author:Kevin Falcoz
Description:YahLover

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 (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::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
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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