MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67. 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: 67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67
SHA3-384 hash: 88976d4eeca110182d71d530e32d66693c91e085446f23851cd195acac23bf2253c25d1e313e6641184e9312701ad9f1
SHA1 hash: 3726e50adb2798cee3ac320ff6af9d9c449734f0
MD5 hash: 0a45cffdcecf877a9c48a8e66d15784c
humanhash: fish-apart-stairway-avocado
File name:arrival notice_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'221'120 bytes
First seen:2024-07-01 01:14:45 UTC
Last seen:2024-07-01 01:23:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:gAHnh+eWsN3skA4RV1Hom2KXMmHaQqbBwU9O59YcQQ5:Xh+ZkldoPK8YaQUg59nT
TLSH T18245BE0273D1C036FFABA2739B6AF60156BC79254133852F13981DB9BD705B2263E663
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)
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
450
Origin country :
CH CH
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.AutoIt.1410.26830.10401.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6682035a4aef5fb03e2ebc8dwin10vpnfull_triage
Tags:
Stealth Redcap
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:
83%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc packed redcap shell32
Link:
https://www.filescan.io/uploads/668203176b8dba248b47a2f1/reports/c45b13b4-66de-45f2-9760-448f406f49da/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67
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/5ddbe377-a162-4249-ad49-67acd3fa0ba0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464975
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
Switches to a custom stack to bypass stack traces
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: 1464975 Sample: arrival notice_pdf.exe Startdate: 01/07/2024 Architecture: WINDOWS Score: 100 28 www.hectmalt.xyz 2->28 30 yexz60.live 2->30 32 12 other IPs or domains 2->32 42 Snort IDS alert for network traffic 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 50 6 other signatures 2->50 10 arrival notice_pdf.exe 4 2->10         started        signatures3 48 Performs DNS queries to domains with low reputation 28->48 process4 signatures5 62 Binary is likely a compiled AutoIt script file 10->62 64 Writes to foreign memory regions 10->64 66 Maps a DLL or memory area into another process 10->66 13 svchost.exe 10->13         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 16 yIbfRJfMRvGb.exe 13->16 injected process8 signatures9 40 Found direct / indirect Syscall (likely to bypass EDR) 16->40 19 isoburn.exe 13 16->19         started        process10 signatures11 52 Tries to steal Mail credentials (via file / registry access) 19->52 54 Tries to harvest and steal browser information (history, passwords, etc) 19->54 56 Modifies the context of a thread in another process (thread injection) 19->56 58 3 other signatures 19->58 22 yIbfRJfMRvGb.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 34 www.gymroom.online 37.9.175.173, 49744, 49745, 49746 WEBSUPPORT-SRO-SK-ASSK Slovakia (SLOVAK Republic) 22->34 36 www.hectmalt.xyz 203.161.41.207, 49748, 49749, 49750 VNPT-AS-VNVNPTCorpVN Malaysia 22->36 38 5 other IPs or domains 22->38 60 Found direct / indirect Syscall (likely to bypass EDR) 22->60 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67/
Threat name:
Win32.Trojan.Autoit
Create hunting rule
Status:
Malicious
First seen:
2024-07-01 00:25:45 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m4ir3ctsnq2yyvrudsfkxrdz4so6ndqya2t664gtjdmksfmzbztq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240701-bl8sna1hjh/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
AutoIT Executable
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3df77728-5d20-4057-8625-e70797c8af83
Unpacked files
SH256 hash:
ca05ce701b500ac128f4d74f00020d2726ca3f0f9b26819b34b696fbf01286bd
MD5 hash:
fa24e9d6d3f2a37b9fd48566ecd9677b
SHA1 hash:
c4ac8c10341b80e4b8ba81819cdc3d0b545b195e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/8a30b51a-b6d5-4d2a-acd1-fa7748e8d48a/
Parent samples :
5203d24b1f41e1079742a8c489cfb151e35f79a01c7f75445c2106d4a5ccf739
e1ca4ebe98669aba256938d03fe22b46e8b17211a3f01c1e598774c444a9816f
67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67
e977838b7536ed73154cbfb37e2204bbc873da89b3c5aeed5bb2d9eff73a07b6
ae7dfcf2a288cc937230832e0cab1e589218cfed54b8585b4a1795c1d0988e25
a0e490d63bba611127cd814bdf3f25a22913862f884085fdfe9fc22e799eeb8d
SH256 hash:
68e73113d4a95dfa3a2db6548a69cb4b33611c008d6880770a703eb981cdedc9
MD5 hash:
8c8fe81766c4c95478ee6c6ede7fffdc
SHA1 hash:
652edc83133d1e78f1938e131d2f1780e01d50fc
Link:
https://www.unpac.me/results/8a30b51a-b6d5-4d2a-acd1-fa7748e8d48a/
SH256 hash:
67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67
MD5 hash:
0a45cffdcecf877a9c48a8e66d15784c
SHA1 hash:
3726e50adb2798cee3ac320ff6af9d9c449734f0
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/8a30b51a-b6d5-4d2a-acd1-fa7748e8d48a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/67111d8a726c/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/67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67

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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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:SUSP_Imphash_Mar23_3
Create hunting rule
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

Formbook

Executable exe 67111d8a726c358c56341c8aabc479e49de68e1806a7ef70d348d8a915990e67

(this sample)

  
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
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::CopyFileExW
KERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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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