MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6
SHA3-384 hash: 152e6b8c0c523e73b88c10e4a8335fdadc5dcead83387544ce410b399f217d7a71c4af4b97472652386394c0e64956a5
SHA1 hash: 7af1b281d40414e21fe39526bd1d23edf1f5aa7d
MD5 hash: 50188ef5b1f430ff80e5dbb22ff7206e
humanhash: uranus-montana-utah-mountain
File name:PO 265.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'392'640 bytes
First seen:2025-07-10 05:55:57 UTC
Last seen:2025-07-14 08:06:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:ptb20pkaCqT5TBWgNQ7ammRpvjswb9hxqExo46A:6Vg5tQ7adRpxb5qEb5
TLSH T19655CF1263DD8361C7711273BA26B7516EBB7C6946B1F45F2F98393CA831222520EE73
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 0d21339909492331 (2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
8
# of downloads :
28
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SWIFT MT103.exe
Verdict:
No threats detected
Analysis date:
2025-07-10 05:16:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/552da6a3-be65-42d2-ac3a-73a7134fa5ba

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/13740/
Detection(s):
SecuriteInfo.com.PSW.Agent.BORA.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686f5609900df8e7f8694033
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger microsoft_visual_cc obfuscated
Link:
https://www.filescan.io/uploads/686f560661f15fb42a37bc37/reports/409890f7-bea7-4a53-8f3b-b2685c099fcf/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/16b14264-8f69-4116-b6f0-9db67dd347b7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1732431
Signature
Binary is likely a compiled AutoIt script file
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: 1732431 Sample: PO 265.exe Startdate: 10/07/2025 Architecture: WINDOWS Score: 100 28 www.rocketkava.xyz 2->28 30 www.instantcomputer.xyz 2->30 32 8 other IPs or domains 2->32 48 Suricata IDS alerts for network traffic 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected FormBook 2->52 56 3 other signatures 2->56 10 PO 265.exe 4 2->10         started        signatures3 54 Performs DNS queries to domains with low reputation 30->54 process4 signatures5 58 Binary is likely a compiled AutoIt script file 10->58 60 Writes to foreign memory regions 10->60 62 Maps a DLL or memory area into another process 10->62 13 svchost.exe 10->13         started        process6 signatures7 64 Maps a DLL or memory area into another process 13->64 16 993q7VMs0wo.exe 13->16 injected process8 process9 18 cttune.exe 13 16->18         started        signatures10 40 Tries to steal Mail credentials (via file / registry access) 18->40 42 Tries to harvest and steal browser information (history, passwords, etc) 18->42 44 Modifies the context of a thread in another process (thread injection) 18->44 46 3 other signatures 18->46 21 YIaJbCkt.exe 18->21 injected 24 firefox.exe 18->24         started        26 chrome.exe 18->26         started        process11 dnsIp12 34 www.hangjiayinyue.top 103.120.80.111, 49719, 49720, 49721 WEST263GO-HKWest263InternationalLimitedHK Hong Kong 21->34 36 www.av11.top 104.21.14.103, 49707, 49708, 49709 CLOUDFLARENETUS United States 21->36 38 5 other IPs or domains 21->38
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6
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/50188ef5b1f430ff80e5dbb22ff7206e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-07-09 12:27:56 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5t27p5crjjfkh7qlkyw7avxmkzyvvsajdb23rvt3u3jqda5cltta._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
autoit
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/250710-gm7jwaz1by/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c56f6b29-336f-4e9a-bb13-d65d21beb68b
Unpacked files
SH256 hash:
ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6
MD5 hash:
50188ef5b1f430ff80e5dbb22ff7206e
SHA1 hash:
7af1b281d40414e21fe39526bd1d23edf1f5aa7d
Link:
https://www.unpac.me/results/02a4f987-f3eb-4977-a390-20895bb3366b/
SH256 hash:
920d30a15f422557625e64e9b04d83a97c5533042a2abfb8bd45ab0039d53a8a
MD5 hash:
3e18b5ccf1cc8d2f4c6099a850711639
SHA1 hash:
12b884bfd1d40080bfb1c2cb93284c5a98e3beda
Link:
https://www.unpac.me/results/02a4f987-f3eb-4977-a390-20895bb3366b/
SH256 hash:
fcb80b84b704f06cdcbbc25ce1a474966c432ecbec473621bd7ee84751789ebd
MD5 hash:
b369c5717a2414f155cf2c131c13e764
SHA1 hash:
b4769c0becaeb47f35292be5e48537d56b1f0db1
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/02a4f987-f3eb-4977-a390-20895bb3366b/
Parent samples :
1d0e674e1283384d0e33c82e3ea5f6f7a54a21186cfc183b36ba49706899f162
02fbb2ea3169bf6303d7da527301d5ade4e6a7a62c71c426365cfc9a1ac93f53
ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6
3bda3fad1522f9a7f7cf6a32e7eebcf755164b4ad9bfd0e79540b38afa51c897
1c97f7ba283b353efc4966d067f61cd692ff8a6bf0b43d43d3d26c01de7f77e9
cef43653a553964079e94283976769cdddd86ee0b09c430a789b9c156728c7af
826cfac7c05c400263a78d592b2f96aa97a45e06433908ef9a7922c5a2b909e6
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/ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6

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:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
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 ecf5f7f4514a4aa3fe0b562df056ec56715ac8091875b8d67ba6d30183a25ce6

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13740/

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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