MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7
SHA3-384 hash: 5d44e9b10a911c10c304d2c2400ad1b981be0d4ec95aca31f8a2990fb161bb2fb56b1a96b2d1b6960375cdd8b703230d
SHA1 hash: a98d2a62351be617e647cbdb76109d386e37a092
MD5 hash: 2d50424f3d410cc8fbbca02012c1d558
humanhash: eight-missouri-may-india
File name:8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7
Download: download sample
Signature Formbook
Create hunting rule
File size:1'193'472 bytes
First seen:2025-06-10 09:52:07 UTC
Last seen:2025-06-10 10:21:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:3tb20pkaCqT5TBWgNQ7aqYCRkQawpx6A:0Vg5tQ7aqJRkFw5
Threatray 2'415 similar samples on MalwareBazaar
TLSH T1EE45C02363DE8365C3B25273BA257701AEBF782506A5F46B2FD40D3DE960122521EB73
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
426
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7
Verdict:
No threats detected
Analysis date:
2025-06-10 15:10:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c5270b62-19d1-404b-9293-50fb910c2be4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/8614/
Detection(s):
Win.Trojan.Autoit-10033284-0
Create hunting rule

SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6848005d07b5e8c1cfe6113d
Tags:
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.Generic
Link:
https://www.hybrid-analysis.com/sample/8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc8e8d8e-c3fd-4cdf-8146-13d52ab6643d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1710730
Signature
Binary is likely a compiled AutoIt script file
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-05-27 03:14:38 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rjeetvm3u5vdhm6dkpmkz45drfiphemy2245febtmjonwrzld3dq._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
unc_loader_036
Create hunting rule
Similar samples:
2744da94da0a5d848f9fa9dc01f13b7040d2eb9305954fdfacf97f4aa9016495
Formbook
681d856fffd8a6f16f3b0f62f6aad5cd1adb042be504b3e9dcbc5ed469d7450f
Formbook
6ae5571ed26d2de037d1717137fd7f0c3b77a19530003c206280bdb49044a6f7
Formbook
7e5e44b58236522caa4bb1515ef69fe88a2a3499b0345ff247e58eead6202426
Formbook
8ddcd9773b5c9cec6e3d0e4d996038faa74cbe9a971665cf596d8786de25ac01
Formbook
a46fbf2a22d696f5e2311d8f3276c2096d7dd29e427fffa26694d724ae74b412
Formbook
b00754e5d9b8107be23439ed5944c563b1c3e8d5447674e0df14af91d2b99118
Formbook
d2e4942924fa6f218f70772eefd5ef57ae369799ba23cd70913f4d0b8fd6da94
Formbook
ea5ad478df7db224610821def4d39b12ba7ef2f7a95fe88c9bc30a135bca5739
Formbook
+ 2'405 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250610-lv6prswmt6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
Win.Trojan.Autoit-10033284-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2f2f0287-35dc-40e2-858b-9a85168d246f
Unpacked files
SH256 hash:
8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7
MD5 hash:
2d50424f3d410cc8fbbca02012c1d558
SHA1 hash:
a98d2a62351be617e647cbdb76109d386e37a092
Link:
https://www.unpac.me/results/ca2a0941-1fce-49f5-8f6b-1678c4b48f18/
SH256 hash:
31db9b65dadd74f1758258558de1cea73b42577968e3d8500d9a4f284aa4e568
MD5 hash:
7e8a6a5e3d564bebb07602f40e7acdb2
SHA1 hash:
b9da3a87fed399cfab3749bc6f68ee908f4cfcf4
Link:
https://www.unpac.me/results/ca2a0941-1fce-49f5-8f6b-1678c4b48f18/
SH256 hash:
b7305d6e24513db8338575be8865c8a2b9ac8fec32aaa1f8363fef8180239d7e
MD5 hash:
d8f1b99c5c88058cb849196733cb7b9f
SHA1 hash:
4b88246ffc57df61d3c62a77cde7a33a694935b1
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/ca2a0941-1fce-49f5-8f6b-1678c4b48f18/
Parent samples :
7e5e44b58236522caa4bb1515ef69fe88a2a3499b0345ff247e58eead6202426
f24a8111441d3ecfe8cfaaa5ebd4347b32f2d467f2291f0255873f197560bce3
b00754e5d9b8107be23439ed5944c563b1c3e8d5447674e0df14af91d2b99118
f0834d97c18ee6198652603f87791d489bc526625895f389bcdec42c2a6e5677
d820198a36fb530ea931b8869f7789d38d8dcc837d4f9546012584e57c895d65
ff998d9965969c3003b16e48e4c630ec5f5da51bf07d7b3e3c2d75076ac05d05
e8e97426c0294411ec28ce51e18beb397504d96f017ca57d3d536c643cb53fb6
c9ecc88e250381e5026074d63e064498ae40e9efa50ad872feeb5f4eca8e000d
8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7
ac29ed5f825e86e082e536becf091de31ed39527dfdbe1b5ea4f6789da34ccc1
a0fa8f75b021c1ef109d436d9dd8fc51ba3675b775771e047e361e18fe166a03
1a04f9a947873d169b9c6c636fab71ef06af1dbd7e6aed9a3bcda902f7f688fc
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/8a4849d59ba76a33b3c353d8acf3a38950f39198d6b9d29033625cdb472b1ec7

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:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dgaagas
Create hunting rule
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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)
Rule name:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

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/8614/

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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