MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6a3a4b3a7fa4a70df08053d630dc5e368fa5a614b44d604daa419764a327c0f3. 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
| SHA256 hash: | 6a3a4b3a7fa4a70df08053d630dc5e368fa5a614b44d604daa419764a327c0f3 |
|---|---|
| SHA3-384 hash: | be415eaec090a44828fd94a19750a01650d191788feb0c8ae28fc14bc354436e9d7f2caef29051d0a9efd7af396ee08c |
| SHA1 hash: | abbfaafbc2f6f07cfb9968899efcf138815fcbd7 |
| MD5 hash: | d0ac31f5f339cc7687d17f6198299657 |
| humanhash: | friend-kilo-four-pip |
| File name: | rScan_doc.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'167'360 bytes |
| First seen: | 2024-09-04 13:07:13 UTC |
| Last seen: | 2024-09-11 20:17:38 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT) |
| ssdeep | 24576:KAHnh+eWsN3skA4RV1Hom2KXMmHaERQVtKTAO0Q8LR5:dh+ZkldoPK8YaEoKcO0QS |
| Threatray | 1'022 similar samples on MalwareBazaar |
| TLSH | T1D245BE0273D2C032FFAB92739B6AF24556BD79250123852F13A81DB9BD705B1277E263 |
| TrID | 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 11.6% (.EXE) Win64 Executable (generic) (10523/12/4) 7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.9% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| File icon (PE): |  |
| dhash icon | 61ca95d4ea92cc71 (1 x Formbook) |
| Reporter |  FXOLabs |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
4
# of downloads :
389
Origin country :
BRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rScan_doc.exe
Verdict:
No threats detected
Analysis date:
2024-09-04 13:11:14 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
93.3%
Tags:
Stealth Shellcodecrypter
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 masquerade microsoft_visual_cc packed shell32
Verdict:
Malicious
Labled as:
Malware
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
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2024-09-04 13:08:05 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'012 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
42a02ef73fa441d0b0f1e1b9c7e3dbb9b87c0e22173ac836f00286a805f8afd5
MD5 hash:
217b9395079728b5ba3a3f39b267821d
SHA1 hash:
71afcbae101083faa528dfd3bfc5ac88bb885f05
Detections:
win_formbook_g0
win_formbook_w0
SH256 hash:
3ccda0cdeb769eff1440d0b0c85ba0f89329cdd3a547f629f0ad705b38bf23d2
MD5 hash:
51c1fafb1a32b30dc006d2566d328f26
SHA1 hash:
b3316ca82a1cbcf60e716d3eb2a937f451e8325a
SH256 hash:
6a3a4b3a7fa4a70df08053d630dc5e368fa5a614b44d604daa419764a327c0f3
MD5 hash:
d0ac31f5f339cc7687d17f6198299657
SHA1 hash:
abbfaafbc2f6f07cfb9968899efcf138815fcbd7
Detections:
AutoIT_Compiled
SUSP_Imphash_Mar23_3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| 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 |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SUSP_Imphash_Mar23_3 |
|---|---|
| Author: | Arnim Rupp (https://github.com/ruppde) |
| Description: | Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits |
| Reference: | Internal Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| AUTH_API | Manipulates User Authorization | ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::CopySid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::GetTokenInformation ADVAPI32.dll::GetAce |
| COM_BASE_API | Can Download & Execute components | ole32.dll::CLSIDFromProgID ole32.dll::CoCreateInstance ole32.dll::CoCreateInstanceEx ole32.dll::CoInitializeSecurity ole32.dll::CreateStreamOnHGlobal |
| MULTIMEDIA_API | Can Play Multimedia | WINMM.dll::mciSendStringW WINMM.dll::timeGetTime WINMM.dll::waveOutSetVolume |
| SECURITY_BASE_API | Uses Security Base API | ADVAPI32.dll::AddAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::CheckTokenMembership ADVAPI32.dll::DuplicateTokenEx ADVAPI32.dll::GetAclInformation ADVAPI32.dll::GetSecurityDescriptorDacl |
| SHELL_API | Manipulates System Shell | SHELL32.dll::ShellExecuteExW SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW |
| WIN32_PROCESS_API | Can Create Process and Threads | ADVAPI32.dll::CreateProcessAsUserW KERNEL32.dll::CreateProcessW ADVAPI32.dll::CreateProcessWithLogonW KERNEL32.dll::OpenProcess ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CopyFileExW KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW IPHLPAPI.DLL::IcmpCreateFile KERNEL32.dll::CreateFileW |
| WIN_BASE_USER_API | Retrieves Account Information | KERNEL32.dll::GetComputerNameW ADVAPI32.dll::GetUserNameW ADVAPI32.dll::LogonUserW ADVAPI32.dll::LookupPrivilegeValueW |
| WIN_NETWORK_API | Supports Windows Networking | MPR.dll::WNetAddConnection2W MPR.dll::WNetUseConnectionW |
| WIN_REG_API | Can Manipulate Windows Registry | ADVAPI32.dll::RegConnectRegistryW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW |
| WIN_USER_API | Performs GUI Actions | USER32.dll::BlockInput USER32.dll::CloseDesktop USER32.dll::CreateMenu USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::FindWindowW |
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