MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f. 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: 15


Intelligence 15 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f
SHA3-384 hash: 9312bf02d0aff71afddd09fb35b2d46eb4565b8c8a3c3b6442673541ac0c645ae7a966d2b615405f7c0de890ffbcf5b9
SHA1 hash: e02901e1301eabc0dfcebe6d70dc91dc58bc9d8d
MD5 hash: b91a949595ff95d2a10f0649d49c363e
humanhash: west-utah-minnesota-beryllium
File name:DRAWING DWG SINCO AUTOMATION ERTH HOTEL PROJECT I ERTH-DV-GEN-TS-02168 Structural Calculation for VIP Entrance infill slab Zone5FXX76.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'219'584 bytes
First seen:2025-06-23 09:12:11 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:ltb20pkaCqT5TBWgNQ7a4Qf+1AbLa5VRCcW6A:WVg5tQ7a4Qf+1KLaQn5
Threatray 2'379 similar samples on MalwareBazaar
TLSH T1D645D01373DD8365C3B25273BA26B701AE7F782506A1F96B2FD4093DF920162521EA73
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 :
1
# of downloads :
420
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
42b2e2cf-6e20-4039-9791-1bcb0a11da70
Verdict:
No threats detected
Analysis date:
2025-06-23 09:36:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/42b2e2cf-6e20-4039-9791-1bcb0a11da70

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/10648/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68591aac32ed47a3a8d698c4
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:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a31f3308-8254-4289-ad9c-f3b6e2179099
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1720761
Signature
Binary is likely a compiled AutoIt script file
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1720761 Sample: ne5FXX76.exe Startdate: 23/06/2025 Architecture: WINDOWS Score: 100 26 www.zdrsz.xyz 2->26 28 www.wertyu6543z.xyz 2->28 30 19 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 52 Binary is likely a compiled AutoIt script file 2->52 10 ne5FXX76.exe 4 2->10         started        signatures3 54 Performs DNS queries to domains with low reputation 28->54 process4 signatures5 56 Binary is likely a compiled AutoIt script file 10->56 58 Writes to foreign memory regions 10->58 60 Maps a DLL or memory area into another process 10->60 62 Switches to a custom stack to bypass stack traces 10->62 13 svchost.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 0yiSDtH1WsQ.exe 13->16 injected process8 process9 18 convert.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 PjoCdrikG.exe 18->21 injected 24 firefox.exe 18->24         started        process11 dnsIp12 32 www.zdrsz.xyz 38.11.90.230, 49761, 49762, 49763 COGENT-174US United States 21->32 34 wertyu6543z.xyz 47.236.231.197, 49725, 49726, 49727 CHARTER-20115US United States 21->34 36 10 other IPs or domains 21->36
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/b91a949595ff95d2a10f0649d49c363e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2025-06-17 03:38:51 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3u5mqqhlqqv5sp533t5rc3kxmgx4djdpox6pevotodjgajbgjfhq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
unc_loader_036
Create hunting rule
autoit
Create hunting rule
Similar samples:
0c38914220795dbd1b8adbdb2ba2b7d2236099f7720f0d4426a77b15e0a2934b
Formbook
46a2ace53d90eca99c8a1cd45c77d4eb64d92b9673d10acd9254610628ed6ce1
Formbook
5cb1a700397056611ea23b91ef199beea74f55f8d2de7f83b0bae6a4c42c16b0
Formbook
61d6bc63a0a6db062dd3f42a6ae0dec0a8990d445200660ce6346047128c2cc3
Formbook
818748704f30fafa6b32864efe6904d7c3a972c461bdbff0f18cb20f960304b5
Formbook
8340eb528d4150ab1b95b165a204017213f09775ac4e567a0d029266edd4038c
Formbook
89453961b990b5fe0cae4bc8fb354e107f4aa429acb83c359bd7484e3234e7b4
Formbook
a7decf0fa17753b7be19335c7eb0db257f41046bdf4098a64f6db324b032a9d8
Formbook
dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f
Formbook
ef3300f580fcf9a54c17c7131990b5af4f7b74475ca8c489e79a7455e9417929
Formbook
error
Formbook
+ 2'369 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250623-k62phsdp3v/
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
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/83bd829e-b140-4451-b1b9-6cc22ebee3e5
Unpacked files
SH256 hash:
7b5302de6137c7687963c8bc588502387a7f4f8d63227b171e18931b078d07b3
MD5 hash:
1ca9db6dbb2969ed3d404da6e2b25ee8
SHA1 hash:
1830eada40c47eab4d85767fc729a7df954504c9
Link:
https://www.unpac.me/results/368d9081-2506-40d0-b290-81bdc8983f0c/
SH256 hash:
e1d041d948f666f9423a46776faa8cf67b6f91a907e34f255a00883b6f20bbe7
MD5 hash:
cfc31fe6728aa75dc4af1b75b24fe359
SHA1 hash:
fdf10ca5236ac6c8b94d1e13d40f79b01f617d29
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/368d9081-2506-40d0-b290-81bdc8983f0c/
Parent samples :
dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f
c469e3b39fb0f585e8aec2d841d6d8e6b59525928009e29287928e1bc6d0f972
6c564a9a71c77761cfa64c9d0bbbc3b20ae2460d872ddbb913d9ef5a9ab77abe
SH256 hash:
dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f
MD5 hash:
b91a949595ff95d2a10f0649d49c363e
SHA1 hash:
e02901e1301eabc0dfcebe6d70dc91dc58bc9d8d
Link:
https://www.unpac.me/results/368d9081-2506-40d0-b290-81bdc8983f0c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dd3ac840eb84/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/dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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.

Malspam

Formbook

Executable exe dd3ac840eb842bd93fbbdcfb116d5761afc1a46f75fcf255d370d2602426494f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/10648/

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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