MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9
SHA3-384 hash: 16ba60775c5aca88f10d5648724e4c3bd0f6adab757ab47e1be74c561b485454d7985f153b9065312a7afdd439bbcb64
SHA1 hash: 1537c37a8a8eefdc4e4a7f7ac6887a58f576f1c0
MD5 hash: 75f7456bd662d238a44e675f9228c210
humanhash: delaware-autumn-quiet-uncle
File name:msedge_elf.dll
Download: download sample
Signature Formbook
Create hunting rule
File size:4'688'896 bytes
First seen:2025-08-04 19:45:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 93ff54f03be4a889ff2eed764e32c632 (1 x Formbook, 1 x SnakeKeylogger)
ssdeep 49152:m7+Q1E78IAtXVur/HbAWV/auhFO+yR41VDpQLplWOn:6XVubnIuU
Threatray 1 similar samples on MalwareBazaar
TLSH T198263538BBF73DF6480D82E8585E6E196CE0395191D983BF40D8859E7ADBF810ACE135
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 :
50
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
msedge_elf.dll
Verdict:
No threats detected
Analysis date:
2025-08-04 19:46:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/894bd249-81a3-4a7f-ab3e-98a3f9d7cfff

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/18891/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68910ded0b4775fb213645fc
Tags:
emotet shell sage
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context crypto fingerprint lolbin microsoft_visual_cc obfuscated packed packed packer_detected remote
Link:
https://www.filescan.io/uploads/68910de4dc44c87d077bebe6/reports/b47ea56b-9c88-4153-bde5-f7ffdfb2be5b/overview
Verdict:
Malicious
Labled as:
Win64/Agent.ECK trojan
Link:
https://www.hybrid-analysis.com/sample/fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/107fbae5-9dec-4128-80b6-cce11dad4b7d
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1750090
Signature
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1750090 Sample: msedge_elf.dll.exe Startdate: 04/08/2025 Architecture: WINDOWS Score: 60 38 Multi AV Scanner detection for submitted file 2->38 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 26 other processes 8->17 signatures5 19 rundll32.exe 10->19         started        46 Writes to foreign memory regions 12->46 48 Allocates memory in foreign processes 12->48 50 Injects a PE file into a foreign processes 12->50 22 aspnet_wp.exe 12->22         started        24 aspnet_wp.exe 15->24         started        26 aspnet_wp.exe 17->26         started        28 aspnet_wp.exe 17->28         started        30 aspnet_wp.exe 17->30         started        32 4 other processes 17->32 process6 signatures7 40 Writes to foreign memory regions 19->40 42 Allocates memory in foreign processes 19->42 44 Injects a PE file into a foreign processes 19->44 34 aspnet_wp.exe 19->34         started        36 csc.exe 19->36         started        process8
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 64 Exe x64
Link:
https://app.malva.re/file/75f7456bd662d238a44e675f9228c210
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9/
Verdict:
Malicious
Threat:
VHO:Trojan.Win32.Inject
Link:
https://tip.neiki.dev/file/fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-08-04 15:54:27 UTC
File Type:
PE+ (Dll)
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xu4hfysfbfac2reidf2civk4kvxazm3y7iq7c6mhzb3j7jjtwuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
error
Formbook
fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/250804-ygqslshp7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Formbook family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c5e3cd5f-0962-47c7-aa44-c5b07c4a7176
Unpacked files
SH256 hash:
fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9
MD5 hash:
75f7456bd662d238a44e675f9228c210
SHA1 hash:
1537c37a8a8eefdc4e4a7f7ac6887a58f576f1c0
Link:
https://www.unpac.me/results/2e6fd380-d386-4985-a6dd-f2f8e696a78b/
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/fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Create hunting rule
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
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_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
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 fde9c39712284a016a2440cba122aae2ab70659bc7d10f8bcc3e43b4fd299da9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/18891/

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::VirtualAllocEx
KERNEL32.dll::VirtualAllocExNuma
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_APICan Encrypt Filesbcrypt.dll::BCryptCreateHash
bcrypt.dll::BCryptDecrypt
bcrypt.dll::BCryptDestroyHash
bcrypt.dll::BCryptDestroyKey
bcrypt.dll::BCryptEncrypt
bcrypt.dll::BCryptFinishHash
WIN_CRYPT_APIUses Windows Crypt APIbcrypt.dll::BCryptGenRandom
bcrypt.dll::BCryptHashData
bcrypt.dll::BCryptImportKey
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW

Comments