MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0
SHA3-384 hash: 73457d7a90a4ce913562a55a580071191159565c696e53a5e07dd6454545a776b032a3ff86e42ac27801f7b56a0e0c6a
SHA1 hash: 9815bdba8c2af4aa5011e0820134dcf2ebb4181f
MD5 hash: 5ac7c32f1eca0fc2acd1d7abbef2ef9a
humanhash: bluebird-nevada-one-california
File name:0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0
Download: download sample
Signature Formbook
Create hunting rule
File size:1'592'320 bytes
First seen:2025-02-07 14:14:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:Ztb20pkaCqT5TBWgNQ7aOncUxLsXZVmDUoph49gxVMJtO3qsLfT7TXO80o6A:qVg5tQ7aOBWkplVMJtOaYfT7Te8R5
TLSH T1E175E12373DE8361C3725273BA65BB41BE7F782506B5F86B2FD40D3DA820162521E663
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
145
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0
Verdict:
Malicious activity
Analysis date:
2025-02-07 17:07:09 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/b2ff4353-f403-4fea-a365-94de8d90deb0

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

Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67a6173bab8a2d1c6bcd8217
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0
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/7c2f9b4d-ddae-40a4-bc4f-f2b61a094801
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1609656
Signature
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1609656 Sample: 1wMow0yFjm.exe Startdate: 07/02/2025 Architecture: WINDOWS Score: 100 28 www.bilbrook.info 2->28 30 www.stoauto.pro 2->30 32 3 other IPs or domains 2->32 42 Suricata IDS alerts for network traffic 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 10 1wMow0yFjm.exe 1 2->10         started        signatures3 process4 signatures5 60 Binary is likely a compiled AutoIt script file 10->60 62 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->62 64 Writes to foreign memory regions 10->64 66 2 other signatures 10->66 13 svchost.exe 10->13         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 16 vlQUfMcJ5zdK.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 fixmapi.exe 13 16->19         started        process10 signatures11 50 Tries to steal Mail credentials (via file / registry access) 19->50 52 Tries to harvest and steal browser information (history, passwords, etc) 19->52 54 Modifies the context of a thread in another process (thread injection) 19->54 56 3 other signatures 19->56 22 vlQUfMcJ5zdK.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.bilbrook.info 199.59.243.228, 49974, 49975, 49976 BODIS-NJUS United States 22->34 36 www.cloijz.info 47.83.1.90, 49978, 49979, 49980 VODANETInternationalIP-BackboneofVodafoneDE United States 22->36 38 www.stoauto.pro 194.58.112.174, 49973, 80 AS-REGRU Russian Federation 22->38 58 Found direct / indirect Syscall (likely to bypass EDR) 22->58 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2025-01-22 01:41:13 UTC
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bayuezcr5c4aoeyd3opwwa2e4jigls4ye4wpopthbwyqkmuf26qa._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
formbook
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/250207-rj72catna1/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8bc432db-87c7-4961-9ab7-668d7abe85de
Unpacked files
SH256 hash:
0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0
MD5 hash:
5ac7c32f1eca0fc2acd1d7abbef2ef9a
SHA1 hash:
9815bdba8c2af4aa5011e0820134dcf2ebb4181f
Link:
https://www.unpac.me/results/2bbd969f-5329-474b-a093-1947a3a3b4f6/
SH256 hash:
d785612f93dff8ed8fdb701d21601a1a4d692e2b9004dfc26fc8dc3cd9f77697
MD5 hash:
ba457b0e5bb9b22fb838e355d5049e88
SHA1 hash:
93d884b04c94bf54b78cf7b0b3ece9b14af4d82b
Link:
https://www.unpac.me/results/2bbd969f-5329-474b-a093-1947a3a3b4f6/
SH256 hash:
c95deb3221d81be3c3cd3ec645659455fcfc476f4f93e5fa4ac0d27a763f295b
MD5 hash:
8001f7d041e416386e564b55520d8277
SHA1 hash:
fa1cb962325d08b9ff443016069e9e5fb1a09c25
Link:
https://www.unpac.me/results/2bbd969f-5329-474b-a093-1947a3a3b4f6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0831426451e8/report/overview.html
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/0831426451e8b8071303db9f6b0344e25065cb98272cf73e670db1053285d7a0

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
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover

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
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
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::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
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::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
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_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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