MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51. 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: 4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51
SHA3-384 hash: ec5adcf8dda551f19223a426a96ff37f4448f702fb988c6eeef851b5172e9a67af4e0fb3ba0e7f0083e5d2cc8b093c66
SHA1 hash: dac07204ff81c607c7a69ab7bd8ce245d8138a2f
MD5 hash: 35f5f3f3b8c9720d78a3983bc9614e9d
humanhash: october-orange-three-carolina
File name:4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51
Download: download sample
Signature Formbook
Create hunting rule
File size:1'403'045 bytes
First seen:2024-10-07 14:16:10 UTC
Last seen:2024-10-07 15:19:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCcAtSeoGBWBR7fLj507njB1xxi0aMwx4i5Z+N+dA:7JZoQrbTFZY1iaCztSehWjfp0DjB1a0d
TLSH T1D355F221B5C69036C2B337B19E7EF76A963D69360336D19B27C82D311EA05416B3A733
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
365
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51
Verdict:
No threats detected
Analysis date:
2024-10-07 14:16:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d5cedf59-5ccd-489e-9529-f89ee87b536e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.FileRepMalware.1212.9550.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6703ed60ebeac9e680513a1c
Tags:
Autoit Emotet
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/6703ed613d3bba49f3dc8d23/reports/4bc41c31-45b1-41a4-8c72-d630f1fb1773/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/04bbfe72-a8dc-4306-ab03-2bc643cad805
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1528187
Signature
AI detected suspicious 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/4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51/
Threat name:
Win32.Trojan.Autoitinject
Create hunting rule
Status:
Malicious
First seen:
2024-10-07 14:17:12 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jnc3josyvxjin6oumms5344fmxbr25bucanvkhy2kol6qnm455iq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
admintool_powerrun
Create hunting rule
unknown_loader_036
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241007-rlpb1sygjk/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
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/46904eb8-02a4-4d2b-9328-5357e45a1e55
Unpacked files
SH256 hash:
be13a0d525d9ef51a3b711640ca3330d97702dcfc3647b30c8ea555fead6bc69
MD5 hash:
cf31eaaa5dd66596cfbca9ca8dade853
SHA1 hash:
269514922c8a6179ef82e551466e5bf56f8fceb6
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/feb7f0af-c33b-4815-b8c1-4c28e9234dbc/
Parent samples :
ad72b3e88263a545da2cc79506c15c04284dc9cd133067ee8694dcec602a25d1
b01b0aff4f33a8ac49573bcb22aa27a4b1a39f5d2ce2117377b64f59c348c70e
4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51
SH256 hash:
e690fee418fe4a6a76a2ca024db64c3fa66b51a0c1cd1063fc898499260372c5
MD5 hash:
89ec635f2a81894e64e29788ae72fde0
SHA1 hash:
b96689e92ad4df619b859572f5dbf2ed87f8ee8f
Link:
https://www.unpac.me/results/feb7f0af-c33b-4815-b8c1-4c28e9234dbc/
SH256 hash:
4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51
MD5 hash:
35f5f3f3b8c9720d78a3983bc9614e9d
SHA1 hash:
dac07204ff81c607c7a69ab7bd8ce245d8138a2f
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/feb7f0af-c33b-4815-b8c1-4c28e9234dbc/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4b45b4ba58ad/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/4b45b4ba58add286f9d46325ddf38565c31d7434101b551f1a5397e8359cef51

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.

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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