MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
SHA3-384 hash: 6f3206d404b6855704aa733841cd947a354ea07f8b16c1c3711a3d954bedd807b8189364620c1858fe74b00a2842f31f
SHA1 hash: bf3b5372a33726d194c448ffa7d17e2b2b5f7290
MD5 hash: 77092dbe83f65794e4a7eba2d08ababc
humanhash: victor-illinois-football-iowa
File name:a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
Download: download sample
Signature Formbook
Create hunting rule
File size:1'220'608 bytes
First seen:2025-01-10 14:10:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bd3825b6e0410966f0c31f64b6c7644a (36 x AgentTesla, 15 x Formbook, 6 x RemcosRAT)
ssdeep 24576:ku6J33O0c+JY5UZ+XC0kGsoTCc1W9m9lbxa4yFwA8:eu0c++OCvkGsECc1W9m3ty
TLSH T17C45CF2273DDC360CB669173BF69B7016EBB7C614630B85B2F980D3DA950172262D7A3
TrID 49.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
22.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
9.0% (.EXE) Win64 Executable (generic) (10522/11/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
Verdict:
Malicious activity
Analysis date:
2025-01-09 14:42:25 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/ec753c96-f0b0-448e-a146-99b094e60a85

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67812aa21e9cdec7dbbb71c1
Tags:
autoit emotet
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm anti-vm autoit cmd compiled-script fingerprint keylogger lolbin microsoft_visual_cc mmc packed packed packer_detected powershell tracker
Link:
https://www.filescan.io/uploads/67812a88860a7956a033c3eb/reports/ad2cc506-839a-4dd1-9d45-d1605ba428d5/overview
Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f61bf40c-2d79-42bd-99cd-b1e7109cf53b
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1588968
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862/
Threat name:
Win32.Trojan.AutoItinject
Create hunting rule
Status:
Malicious
First seen:
2025-01-10 20:09:00 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ue423dzzqmv4n45hzo4vbne2hjgo6uuiqcm5p7dgfrjodvvttbra._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250110-rhecmsymcj/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e9e78f54-073d-4571-a66f-89683ca83b43
Unpacked files
SH256 hash:
c16a736911d0dc6c6d43680f5d771bdbee420f96eeb31f3302098d2d7fb1ea2d
MD5 hash:
6fe374eb8143a537c9be4297cc6a62b1
SHA1 hash:
b92e77e3cb8670b6e40843a6334efdb04d278b40
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/58d06fec-99bf-4b7e-aa4d-2e8a01021aed/
Parent samples :
00c2d72b6a63a14fbe34e3fb19fad396213bb9be21ff695df527a676b866c8b2
9d7f2010937a9fa39e59ac0b46dfe1efe6dd5bb0748e1b4bf172e849ff916fb1
df607dfa701d132a8679f0855bfdca430246d46285e36f46a965bb8a67f4d7b6
91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f
a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
d88cbfff7d6a8163e124249f07e2f8434d6e5474fcda9f916f89afe50b88f413
SH256 hash:
7bc501d93a5bcec412a171b83123c6a4b975c78f9ad6d8edbc78717876a0020b
MD5 hash:
9c9e65b1df682423a3166b07b3460871
SHA1 hash:
16e124998359172eac3216bd9f25dcde2de0d386
Link:
https://www.unpac.me/results/58d06fec-99bf-4b7e-aa4d-2e8a01021aed/
SH256 hash:
a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
MD5 hash:
77092dbe83f65794e4a7eba2d08ababc
SHA1 hash:
bf3b5372a33726d194c448ffa7d17e2b2b5f7290
Link:
https://www.unpac.me/results/58d06fec-99bf-4b7e-aa4d-2e8a01021aed/
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
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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.

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
KERNEL32.DLL::CreateFileW
IPHLPAPI.DLL::IcmpCreateFile
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

Comments