MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4
SHA3-384 hash: 0e10fc73a1a87a970d790d51733289febe60eb44b88a055392d1d2d25f05d4cfe094d952425a5595ef7bf11f038a0323
SHA1 hash: 71c7c67d9a6516dfe293e6dcdb273e6cf85c65d1
MD5 hash: 75389762bc264d6d0d01b44a074ed9d8
humanhash: connecticut-bulldog-arizona-black
File name:75389762bc264d6d0d01b44a074ed9d8.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'345'197 bytes
First seen:2024-09-26 07:44:34 UTC
Last seen:2024-09-26 08:31:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCQCPJHDVjHxmWDskf5xaq84/xWAvElfBiaaSZ:7JZoQrbTFZY1iaC1pAkf5aMxWXlfxZ
TLSH T1F455F122B5C68036C2B327B19E7EF769963D79360326D2D727C82E321E605416B39773
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
427
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
75389762bc264d6d0d01b44a074ed9d8.exe
Verdict:
No threats detected
Analysis date:
2024-09-26 08:06:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4318f4a2-ebc6-4c87-a4b3-ff07a6f339c9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.13884.12086.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f5110756c487103d52b357
Tags:
Encryption Swotter Shellcode Exploit Emotet Autoit
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin microsoft_visual_cc overlay packed shell32
Link:
https://www.filescan.io/uploads/66f5110cf741081b7c98bcb9/reports/3e92e54c-92f2-49d5-aa62-0bb56dc5f1a8/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d765b21-93bf-4dfb-af90-deab8e02aea9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1519277
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4/
Threat name:
Win32.Trojan.Autoitinject
Create hunting rule
Status:
Malicious
First seen:
2024-09-26 06:59:05 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=doh6thuicuqhfz5upnewuzbqiq2yex4wjmhw6xpqthgblrjb622a._file
Verdict:
malicious
Label(s):
admintool_powerrun
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240926-jlehtaybkb/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5c537573-bcff-4691-8f58-1d5702707ace
Unpacked files
SH256 hash:
6e425f50160d4eca35c7ce1fc88c223bfe65aa17a5d8952d880827338a3833a8
MD5 hash:
0be41a6a4a9a8ae20c5f4910c9d9adab
SHA1 hash:
7854ca85725c0654872e2bcf8c35d16b25b0445a
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/b190bc62-7ad3-42b1-ba89-bede8402de69/
Parent samples :
44162eee61f7d49a55fe0f815d0bc996cd728d96307b5bc6277fe430941ad068
b14dba44c08182c9c21b34e90409943400645c7d88a6b1388bddc64464f26a73
2052c5457f73fd782479cc78649b354721b86054b0d5ffb50eb5cb99ac54f88a
df4bbbe93a4e0bef7535125fb4e3515c76ceab4e01c374cde69d9c653d9c20a3
0b282196cbe02ca7c879bc0eee7cf25c9faf531c245c66e14982307944b494b6
55c9940c0f3883ab008156f65e2c020a72a1d58e9ae645490c100ac08c8dc4e5
1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4
64f6025326f3f7edca173d44ef56a85198b28c132b7e0afd3b599ccc3b593624
SH256 hash:
56bd5f0bcec8cac1b95d9428aa5c55a0bb21d6a761704cab0a7a7bed056c6df0
MD5 hash:
b93fc2c6090a938514ec6a733079fdfc
SHA1 hash:
88602865f228add76418d5f50691accaa54f69a4
Link:
https://www.unpac.me/results/b190bc62-7ad3-42b1-ba89-bede8402de69/
SH256 hash:
1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4
MD5 hash:
75389762bc264d6d0d01b44a074ed9d8
SHA1 hash:
71c7c67d9a6516dfe293e6dcdb273e6cf85c65d1
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/b190bc62-7ad3-42b1-ba89-bede8402de69/
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/1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4

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
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

File information

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

Web download

Formbook

Executable exe 1b8fe99e88152072e7b47b496a64304435825f964b0f6f5df099cc15c521f6b4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3188754/
  
Delivery method
Distributed via web download

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
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
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::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
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::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
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_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
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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