MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1536e3904749332d98b4b22a4021dd1a81db477b001c9829dad04daf0dea25a. 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 27 File information Comments

SHA256 hash: d1536e3904749332d98b4b22a4021dd1a81db477b001c9829dad04daf0dea25a
SHA3-384 hash: 3e54da212d1f0eac7c2ed66962764a0e17eac9047c6a7b8a3af4ffad350c27a2e73eade5a728708e263dfb99ab859846
SHA1 hash: 2e15ce497fe6a65a5d3e20a572167cf418457a13
MD5 hash: 7390bfc8fcd7b76f58096e13d75cf7c4
humanhash: alpha-fruit-mirror-east
File name:msedge_elf.dll
Download: download sample
Signature Formbook
File size:2'885'632 bytes
First seen:2025-08-11 01:56:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9587a189d94ef6e90f97fa73ab031264 (1 x Rhadamanthys, 1 x Formbook)
ssdeep 49152:xJjCgPmvhw2gKAq8/F/yK5+RCWDshNTWcNB/Jgmd/CVqOOlIA1BEFwokf:PawBVdacOOWsEFc
Threatray 191 similar samples on MalwareBazaar
TLSH T183D5BE11E3A800B5D83BD738CA598333D6B0B9568734E14F0A99D6162F73AA19F3F716
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
61
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
msedge_elf.dll
Verdict:
No threats detected
Analysis date:
2025-08-11 01:59:54 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context crypto fingerprint masquerade microsoft_visual_cc packed
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
64 / 100
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1754206 Sample: msedge_elf.dll.exe Startdate: 11/08/2025 Architecture: WINDOWS Score: 64 32 Multi AV Scanner detection for submitted file 2->32 34 Joe Sandbox ML detected suspicious sample 2->34 8 loaddll64.exe 1 2->8         started        process3 process4 10 cmd.exe 1 8->10         started        12 rundll32.exe 8->12         started        15 rundll32.exe 8->15         started        17 32 other processes 8->17 signatures5 19 rundll32.exe 10->19         started        42 Writes to foreign memory regions 12->42 44 Allocates memory in foreign processes 12->44 46 Injects a PE file into a foreign processes 12->46 22 aspnet_wp.exe 12->22         started        24 aspnet_wp.exe 15->24         started        process6 signatures7 36 Writes to foreign memory regions 19->36 38 Allocates memory in foreign processes 19->38 40 Injects a PE file into a foreign processes 19->40 26 aspnet_wp.exe 19->26         started        28 aspnet_wp.exe 19->28         started        30 aspnet_wp.exe 19->30         started        process8
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Threat name:
Win64.Trojan.Midie
Status:
Malicious
First seen:
2025-08-11 01:57:30 UTC
File Type:
PE+ (Dll)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Unpacked files
SH256 hash:
d1536e3904749332d98b4b22a4021dd1a81db477b001c9829dad04daf0dea25a
MD5 hash:
7390bfc8fcd7b76f58096e13d75cf7c4
SHA1 hash:
2e15ce497fe6a65a5d3e20a572167cf418457a13
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:dgaagas
Author:Harshit
Description:Uses certutil.exe to download a file named test.txt
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe d1536e3904749332d98b4b22a4021dd1a81db477b001c9829dad04daf0dea25a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::OpenProcessToken
KERNEL32.dll::OpenProcess
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThreadpoolIo
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::GetSystemDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptCreateHash
bcrypt.dll::BCryptDestroyHash
bcrypt.dll::BCryptFinishHash
bcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptGetProperty
bcrypt.dll::BCryptHashData
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

Comments