MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea16366c68a4d6ce7012c846060936f36fa708e0dc093e948a4b588eb19092a2. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ea16366c68a4d6ce7012c846060936f36fa708e0dc093e948a4b588eb19092a2
SHA3-384 hash: e71cc71f21def38a2ea64651ddb7c9a97775475a9178eb7f6e8f3a280e2d0eb41c370a4938a73dcb6652ccd62df7ad97
SHA1 hash: 791eafbd3b61565e3ac309bec0b71cb877470773
MD5 hash: df015d8efcb976c215f4d42fc0fc7cb2
humanhash: king-chicken-hotel-apart
File name:Halkbank.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'349'632 bytes
First seen:2025-07-02 04:20:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger)
ssdeep 24576:b5EmXFtKaL4/oFe5T9yyXYfP1ijXdajYNbbcwugJjQq1FDdp:bPVt/LZeJbInQRajYNZtJjQq
TLSH T18C55AE03738D826EFF9B91322A76E231467C6E270123A51F33D85D7DB9701A1563E6E2
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 e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter abuse_ch
Tags:exe FormBook geo TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
18
Origin country :
SE SE
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/11896/
Detection(s):
SecuriteInfo.com.Trojan.AutoIt.1678.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6864b3d6900df8e7f8654cbd
Tags:
underscore 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:
Malicious
Labled as:
Trojan.BAT.Agent.gen
Link:
https://www.hybrid-analysis.com/sample/ea16366c68a4d6ce7012c846060936f36fa708e0dc093e948a4b588eb19092a2
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b7d7dfec-c28f-4cfd-ae71-1b3b56c8478c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1726861
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
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)
Sigma detected: Suspicious Double Extension File Execution
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1726861 Sample: Halkbank.pdf.exe Startdate: 02/07/2025 Architecture: WINDOWS Score: 100 26 www.globalhelix.xyz 2->26 28 www.78451387.xyz 2->28 30 16 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 5 other signatures 2->54 10 Halkbank.pdf.exe 2 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 Found API chain indicative of sandbox detection 10->58 60 Writes to foreign memory regions 10->60 62 2 other signatures 10->62 13 svchost.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 qMdCRs193Qru.exe 13->16 injected process8 process9 18 label.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 2Mh1VOfWKs.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.wafflecrow.live 203.161.63.20, 49739, 49740, 49741 VNPT-AS-VNVNPTCorpVN Malaysia 21->32 34 www.globalmena.tech 66.81.203.198, 49711, 49712, 49713 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 21->34 36 8 other IPs or domains 21->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ea16366c68a4d6ce7012c846060936f36fa708e0dc093e948a4b588eb19092a2
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/df015d8efcb976c215f4d42fc0fc7cb2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ea16366c68a4d6ce7012c846060936f36fa708e0dc093e948a4b588eb19092a2/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-07-02 03:55:49 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5ildm3diutlm44aszbdamcjw6nx2ocha3qet5fekjnmi5mmqskra._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250702-eyvy4shj7v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0091dc2e-2861-4d28-bf7f-0f7a4c29b3d9
Unpacked files
SH256 hash:
ea16366c68a4d6ce7012c846060936f36fa708e0dc093e948a4b588eb19092a2
MD5 hash:
df015d8efcb976c215f4d42fc0fc7cb2
SHA1 hash:
791eafbd3b61565e3ac309bec0b71cb877470773
Link:
https://www.unpac.me/results/85d5f325-c047-455a-ac59-ed27b8549c76/
SH256 hash:
af26d12693e7436975923c7147edad1cab1cd32fd6678df5dcf62ac15680e749
MD5 hash:
767ff5198b86ac3f57e9deaeefb3e621
SHA1 hash:
bd1ed94e99a4439d29e4c0579758f958f9082b94
Link:
https://www.unpac.me/results/85d5f325-c047-455a-ac59-ed27b8549c76/
SH256 hash:
5837b71823fc0b8edcb71c16d2d9a613fa854ce674511f2e2a332a09eba96209
MD5 hash:
a102c84984bedcc6757797894492d751
SHA1 hash:
80c847ed9bd130bcabb8e1e194b1611e50cb2ff3
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/85d5f325-c047-455a-ac59-ed27b8549c76/
Parent samples :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 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/ea16366c68a4d6ce7012c846060936f36fa708e0dc093e948a4b588eb19092a2

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: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:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_detect_tls_callbacks
Create hunting rule
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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/11896/

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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