MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354
SHA3-384 hash: cbe8c53fc058301fe8b7fedffbafae5e2e6943fe71815f38378c6efcfee358c0ab64f7b810dfa44d3ebfba4b8f3329b6
SHA1 hash: 06c0c9d771c851297f534cfb55f4b4e79857aeb1
MD5 hash: 57c315775b2057dbb4caf4a9a1b398b5
humanhash: mirror-montana-happy-snake
File name:Quotation_SIAC_6367_LNG_Project_Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'200'128 bytes
First seen:2025-08-13 15:42:58 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:Ctb20pkaCqT5TBWgNQ7a8kLNm/6p2pSpMa3mC6A:PVg5tQ7a8bCpUSZ5
Threatray 2'733 similar samples on MalwareBazaar
TLSH T15445DF1263DE8361C3B25273BA65B741BEBF782506B1F46B2FD4093DE920122525EB73
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 lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation_SIAC_6367_LNG_Project_Pdf.exe
Verdict:
No threats detected
Analysis date:
2025-08-13 15:45:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/85c3aec8-f360-4f16-9f73-58d896c013a8

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/21177/
Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689cb29931e468d93724800d
Tags:
n/a
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger masquerade microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/689cb2ad9ef4d2ff7cfacb89/reports/0ebb2cdb-4601-4fce-aa28-aee3d9e36fa4/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b3e3795f-e200-4bae-bf67-e846ab2283f6
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1756189
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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: 1756189 Sample: Quotation_SIAC_6367_LNG_Pro... Startdate: 13/08/2025 Architecture: WINDOWS Score: 100 31 www.neonhost.xyz 2->31 33 www.popmog.com 2->33 35 16 other IPs or domains 2->35 43 Suricata IDS alerts for network traffic 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected FormBook 2->47 51 3 other signatures 2->51 11 Quotation_SIAC_6367_LNG_Project_Pdf.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 31->49 process4 signatures5 61 Binary is likely a compiled AutoIt script file 11->61 63 Writes to foreign memory regions 11->63 65 Maps a DLL or memory area into another process 11->65 67 Switches to a custom stack to bypass stack traces 11->67 14 svchost.exe 11->14         started        process6 signatures7 69 Maps a DLL or memory area into another process 14->69 17 raFj4pp6ggKD.exe 14->17 injected process8 process9 19 typeperf.exe 13 17->19         started        signatures10 53 Tries to steal Mail credentials (via file / registry access) 19->53 55 Tries to harvest and steal browser information (history, passwords, etc) 19->55 57 Modifies the context of a thread in another process (thread injection) 19->57 59 3 other signatures 19->59 22 iYGjam6TmUvha.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 debackere.info 81.169.145.83, 49700, 49701, 49702 STRATOSTRATOAGDE Germany 22->37 39 www.9015effjyq.bond 38.165.26.247, 49716, 49717, 49718 COGENT-174US United States 22->39 41 7 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/57c315775b2057dbb4caf4a9a1b398b5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354/
Verdict:
Malicious
Threat:
Trojan.Win32.Strab
Link:
https://tip.neiki.dev/file/659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-08-13 06:58:09 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mwopwnm5f2mjb42irvw5mwcscupzupll3sgcp7kf5ctywnejunka._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
formbook
Create hunting rule
Similar samples:
07351022141ffd0655322cbcb9bc66d32353fe5c7040d81324a2bceb23514126
Formbook
170c2b10322d1b2bbd5403091730544828633e2bdf59af1134b1ae1898a8d90c
Formbook
17269b07f8f2f16e1d2139282f27e99834c34ed76548851a229bbe59832cb552
Formbook
5fcfd8333c4687790ed53e4783d8b2ac2d082059f7f1b14e92dd24e41e831740
Formbook
6a11ab33aa16d2d8ba08cb3c6edb5e0613c1d459287261ecd907f9359068cbc8
Formbook
89298940d17702803fc97b47258c639f223ddebd6368a0d946647cb79acacc2e
Formbook
affbb0db85505a477fad583411e0361f0502ef4d9c46059da31ca85eb0e0b5d6
Formbook
b99465dde28898f671538e21692d17def78b40a44b6765093ce3940668614cc7
Formbook
d3ad7e22a740b5654dc36d3d803984ad83c9b2627edee55630c5a9816d42c085
Formbook
dedf48566d8ce2a8f63e5e8aac7892ce8f2ff7cb95ad0a1a3222245b9645d2ca
Formbook
error
Formbook
+ 2'723 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan
Link:
https://tria.ge/reports/250813-s52xwszns9/
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
Formbook payload
Formbook
Formbook family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/31dfdd6c-dbf9-453b-8b5b-c5dfff8d5f10
Unpacked files
SH256 hash:
659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354
MD5 hash:
57c315775b2057dbb4caf4a9a1b398b5
SHA1 hash:
06c0c9d771c851297f534cfb55f4b4e79857aeb1
Link:
https://www.unpac.me/results/5aac2b0f-4d9f-478f-b71a-8f4a23dab194/
SH256 hash:
8476768031dcd0e506274866cc1db87f27f9906d68699315bd535a7455ba97cd
MD5 hash:
53810f4848fa45dd4e6b8cf3eb36b067
SHA1 hash:
e54e452eb107b5d1952457f45b2ae48719745cb7
Link:
https://www.unpac.me/results/5aac2b0f-4d9f-478f-b71a-8f4a23dab194/
SH256 hash:
74b1814e69e851cb8c95fc88dcead3642fca0b978c5811d64104a65e8c903265
MD5 hash:
72065d68886209a809169c37a5723453
SHA1 hash:
a9ac2cac5a40051e6ff6feea20801eebd11d02c6
Link:
https://www.unpac.me/results/5aac2b0f-4d9f-478f-b71a-8f4a23dab194/
SH256 hash:
5e71f12c5af6817400d285576d538bc3385489bb3c3f99f9403d58fe3bfddaba
MD5 hash:
c18f2bdf728a09322ca256a386ee7b9c
SHA1 hash:
ca94b7f03faf577b5b1ef3ce5a8d417968ba6dc5
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/5aac2b0f-4d9f-478f-b71a-8f4a23dab194/
Parent samples :
4e48282322ec999ea5f16bfc5148a5e76ec9243e8dfb6181c964085daa55e407
1a235bb7a56f87d6c28102133f9c387866e674b4a04e95e9d76e3c7c110ce678
eeb01ff56857f7da7caad84a586abbb269ae13c5285e5a6c069e31b927765f44
659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354
b58ccbfcc84cb5950c6e8dc9d459d2be9f4477f8d8e8f8bfb5efd757734cb4e7
7fb51ecddea989bbc4c71fb744b95e9045e64c7a534d661d972c048a40050bb7
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/659cfb359d2e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/659cfb359d2e9890f3488d6dd65852151f9a3d6bdc8c27fd45e8a78b3489a354

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:Formbook
Create hunting rule
Author:kevoreilly
Description:Formbook Payload
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
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: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/21177/

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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