MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429
SHA3-384 hash: c5bec42815520bf6c43dc20b4152b24097957c781091890c8d4ebd8bbb1a9016e6e23474642231f42f957576741c5a9f
SHA1 hash: 9578f977a5663b5e92abbdc365e35d6ac59b2e62
MD5 hash: cae7472f3232997fa5f133faa9e4e8e7
humanhash: mango-lake-twenty-california
File name:65778889078899-77786546DGFY553Qpdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'216'000 bytes
First seen:2024-12-03 13:09:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:gu6J33O0c+JY5UZ+XC0kGso6FaQsTxGqlvFgA915xsTWY:Ku0c++OCvkGs9FaQCGqLvY
TLSH T11D45CF22B3DDC360CB669173BF69B7016EBF3C614630B85B1F980D7DA950162162DBA3
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10522/11/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
65778889078899-77786546DGFY553Qpdf.exe
Verdict:
Suspicious activity
Analysis date:
2024-12-03 14:07:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cd596bb8-6f55-4b5f-aeed-94fe6d5d6238

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674f040012e85e185e754dab
Tags:
autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug autoit compiled-script evasive explorer fingerprint fingerprint hacktool keylogger lolbin microsoft_visual_cc mmc monero packed packed packer_detected
Link:
https://www.filescan.io/uploads/674f03301b2b810869e0ec6d/reports/6986bceb-4fc2-4eb7-ba94-192b34a3c9a5/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/de99653c-8d3a-4eb7-8c2d-744bd7bf2ba2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1567418
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1567418 Sample: 65778889078899-77786546DGFY... Startdate: 03/12/2024 Architecture: WINDOWS Score: 100 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected FormBook 2->29 31 Sigma detected: Drops script at startup location 2->31 33 4 other signatures 2->33 7 65778889078899-77786546DGFY553Qpdf.exe 4 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 23 C:\Users\user\AppData\Local\...behaviorgraphammexane.exe, PE32 7->23 dropped 35 Binary is likely a compiled AutoIt script file 7->35 37 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->37 13 Gammexane.exe 2 7->13         started        39 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->39 17 Gammexane.exe 1 11->17         started        signatures5 process6 file7 25 C:\Users\user\AppData\...behaviorgraphammexane.vbs, data 13->25 dropped 41 Multi AV Scanner detection for dropped file 13->41 43 Binary is likely a compiled AutoIt script file 13->43 45 Machine Learning detection for dropped file 13->45 53 2 other signatures 13->53 19 svchost.exe 13->19         started        47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 17->47 49 Writes to foreign memory regions 17->49 51 Maps a DLL or memory area into another process 17->51 21 svchost.exe 17->21         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-12-03 08:21:17 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uh6zjywvxoswhlcdm2eub6zn4pdh4w637dqvnfgrfbtnx5gtkquq._file
Verdict:
malicious
Label(s):
unknown_loader_036
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/241203-qeenkawrax/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/9b6d4f6d-d93e-4557-b7ce-f2f159d8635e
Unpacked files
SH256 hash:
2ea715645a2dd8ba7df859f746302708d1b1418f2e8ee1ea30fea64c29465148
MD5 hash:
7b82dd4ccd305b3d86930bf1db9e1c08
SHA1 hash:
bd57a49e2c3c24d1f25b00651462d490d5498914
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/6d3c9081-2abe-4150-a2ee-34e2b6428544/
Parent samples :
ff964e11539853b46a4d4c0f9bbd111f4fdce259ef470e88ae59802d82533b36
a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429
SH256 hash:
7e1138ce94db11664b6012212a65aa9dd1bd375dfbe7f3f474cb590a8cee7ee4
MD5 hash:
b6fa58cab8554736eda7619e7bccbc21
SHA1 hash:
a3fa6c9de282736110f81935d6425a36d0e48dfb
Link:
https://www.unpac.me/results/6d3c9081-2abe-4150-a2ee-34e2b6428544/
SH256 hash:
a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429
MD5 hash:
cae7472f3232997fa5f133faa9e4e8e7
SHA1 hash:
9578f977a5663b5e92abbdc365e35d6ac59b2e62
Link:
https://www.unpac.me/results/6d3c9081-2abe-4150-a2ee-34e2b6428544/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a1fd94e2d5bb/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a1fd94e2d5bba563ac43668940fb2de3c67e5bdbf8e15694d12866dbf4d35429

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:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:SUSP_Imphash_Mar23_3
Create hunting rule
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research
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
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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