MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eeaaefcf534a0e0bd6b47ba19589f1f2cedfa2fb9bd858e13a823066e948d3d7. 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: 14


Intelligence 14 IOCs YARA 11 File information Comments

SHA256 hash: eeaaefcf534a0e0bd6b47ba19589f1f2cedfa2fb9bd858e13a823066e948d3d7
SHA3-384 hash: 9302f761bb13f9f5194137ce3dee1a7ea8e034140ed1c287114303325919538981965efd2bdfd64991bf69343dc70e7e
SHA1 hash: ee1003cf4d2d491cf3f6f70461e1942e854602f6
MD5 hash: 690fadabc6eeeb357bbc48da45b0c560
humanhash: leopard-oregon-potato-football
File name:kjoxca.exe
Download: download sample
Signature Formbook
File size:1'218'048 bytes
First seen:2025-05-15 18:51:29 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:Ntb20pkaCqT5TBWgNQ7aoCfv1wA9cbI0WZ6A:+Vg5tQ7aoCD5
TLSH T1F745D01373DD8365C3B25273BA65B701AEBF782506A5F86B2FD4093CE920122525EB73
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 burger
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
425
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
kjoxca.exe
Verdict:
No threats detected
Analysis date:
2025-05-15 18:55:42 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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 control evasive fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected regsvr32 tracker
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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
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: 1691128 Sample: kjoxca.exe Startdate: 15/05/2025 Architecture: WINDOWS Score: 100 33 www.voguevanguard.xyz 2->33 35 www.quick-image.xyz 2->35 37 16 other IPs or domains 2->37 47 Suricata IDS alerts for network traffic 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected FormBook 2->51 53 Binary is likely a compiled AutoIt script file 2->53 11 kjoxca.exe 2 2->11         started        signatures3 55 Performs DNS queries to domains with low reputation 35->55 process4 signatures5 67 Binary is likely a compiled AutoIt script file 11->67 69 Writes to foreign memory regions 11->69 71 Maps a DLL or memory area into another process 11->71 73 Switches to a custom stack to bypass stack traces 11->73 14 svchost.exe 11->14         started        process6 signatures7 75 Maps a DLL or memory area into another process 14->75 17 MqFIUCtPDudDbqu9IH.exe 14->17 injected process8 signatures9 45 Found direct / indirect Syscall (likely to bypass EDR) 17->45 20 wextract.exe 13 17->20         started        process10 signatures11 57 Tries to steal Mail credentials (via file / registry access) 20->57 59 Tries to harvest and steal browser information (history, passwords, etc) 20->59 61 Modifies the context of a thread in another process (thread injection) 20->61 63 3 other signatures 20->63 23 MqFIUCtPDudDbqu9IH.exe 20->23 injected 27 chrome.exe 20->27         started        29 firefox.exe 20->29         started        process12 dnsIp13 39 idearchx.net 195.110.124.133, 49736, 49737, 49738 REGISTER-ASIT Italy 23->39 41 www.gedankenlaut.xyz 89.31.143.90, 49728, 49729, 49730 QSC-AG-IPXDE Germany 23->41 43 10 other IPs or domains 23->43 65 Found direct / indirect Syscall (likely to bypass EDR) 23->65 31 WerFault.exe 4 27->31         started        signatures14 process15
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-05-15 14:21:06 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_036 formbook autoit
Similar samples:
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
eeaaefcf534a0e0bd6b47ba19589f1f2cedfa2fb9bd858e13a823066e948d3d7
MD5 hash:
690fadabc6eeeb357bbc48da45b0c560
SHA1 hash:
ee1003cf4d2d491cf3f6f70461e1942e854602f6
SH256 hash:
3293d75e77cc25798fe83110ac3443af28847c367e26c22fc25cce2bd072bcbb
MD5 hash:
efdc4d610fb0b37794ed70829ebe519f
SHA1 hash:
2d7e9f794bc53ce955a0c87ffaa4f4114cad11f1
SH256 hash:
e5cef865535b1e4d74567bb02578ba3c7a077244c1fccd4d063a1543236dce7c
MD5 hash:
5dbf2a7b2e5b0518c551e879d0abe8ef
SHA1 hash:
291e49a3d50ea4a02b3e9e7d487d5940fdfef56c
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: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.

Web download

Formbook

Executable exe eeaaefcf534a0e0bd6b47ba19589f1f2cedfa2fb9bd858e13a823066e948d3d7

(this sample)

  
Delivery method
Distributed via web download

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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