MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a235bb7a56f87d6c28102133f9c387866e674b4a04e95e9d76e3c7c110ce678. 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 12 File information Comments

SHA256 hash: 1a235bb7a56f87d6c28102133f9c387866e674b4a04e95e9d76e3c7c110ce678
SHA3-384 hash: 44580044fab246ddf6a94f36b8f881dfe1d863686b9420aa880537c6c03f5933b7e531736e3d7396e31cec3bdfce59a6
SHA1 hash: af0058905a327cba214c4e9a05564741c46c6f3c
MD5 hash: 960952b5ba62e2c10cf279ef47f9045a
humanhash: foxtrot-pluto-spring-lion
File name:QUOTE_SIAC_LLC__6477_AC_Pdf.exe
Download: download sample
Signature Formbook
File size:1'195'008 bytes
First seen:2025-08-06 11:10:16 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:Utb20pkaCqT5TBWgNQ7aDURoSHtJL7aJyonadc6A:9Vg5tQ7aDk6gy5
Threatray 2'725 similar samples on MalwareBazaar
TLSH T15845CF1273DD8365C3B25273BA65B701AEBF782506A5F86B2FD4093DF820122525EB73
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 lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUOTE_SIAC_LLC__6477_AC_Pdf.exe
Verdict:
No threats detected
Analysis date:
2025-08-06 11:33:09 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.9%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated packed packed packer_detected
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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: 1751272 Sample: QUOTE_SIAC_LLC__6477_AC_Pdf.exe Startdate: 06/08/2025 Architecture: WINDOWS Score: 100 26 www.neonhost.xyz 2->26 28 www.5pinyin.xyz 2->28 30 18 other IPs or domains 2->30 46 Suricata IDS alerts for network traffic 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected FormBook 2->50 54 3 other signatures 2->54 10 QUOTE_SIAC_LLC__6477_AC_Pdf.exe 4 2->10         started        signatures3 52 Performs DNS queries to domains with low reputation 28->52 process4 signatures5 56 Binary is likely a compiled AutoIt script file 10->56 58 Writes to foreign memory regions 10->58 60 Maps a DLL or memory area into another process 10->60 62 Switches to a custom stack to bypass stack traces 10->62 13 svchost.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 uvteNWOFJ8.exe 13->16 injected process8 process9 18 typeperf.exe 13 16->18         started        signatures10 38 Tries to steal Mail credentials (via file / registry access) 18->38 40 Tries to harvest and steal browser information (history, passwords, etc) 18->40 42 Modifies the context of a thread in another process (thread injection) 18->42 44 3 other signatures 18->44 21 ETbkiaFJ.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 debackere.info 81.169.145.83, 49713, 49714, 49715 STRATOSTRATOAGDE Germany 21->32 34 www.multigames.bet 84.32.84.33, 49737, 49738, 49739 NTT-LT-ASLT Lithuania 21->34 36 9 other IPs or domains 21->36
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2025-08-05 05:28:50 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
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 FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
1a235bb7a56f87d6c28102133f9c387866e674b4a04e95e9d76e3c7c110ce678
MD5 hash:
960952b5ba62e2c10cf279ef47f9045a
SHA1 hash:
af0058905a327cba214c4e9a05564741c46c6f3c
SH256 hash:
8476768031dcd0e506274866cc1db87f27f9906d68699315bd535a7455ba97cd
MD5 hash:
53810f4848fa45dd4e6b8cf3eb36b067
SHA1 hash:
e54e452eb107b5d1952457f45b2ae48719745cb7
SH256 hash:
74b1814e69e851cb8c95fc88dcead3642fca0b978c5811d64104a65e8c903265
MD5 hash:
72065d68886209a809169c37a5723453
SHA1 hash:
a9ac2cac5a40051e6ff6feea20801eebd11d02c6
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:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Author:Willi Ballenthin
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:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Malspam

Formbook

Executable exe 1a235bb7a56f87d6c28102133f9c387866e674b4a04e95e9d76e3c7c110ce678

(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::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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