MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e
SHA3-384 hash: dd235202076b54e3b6294fd01967f693ea458ff6bf1921f6f9998bc395f8bbbba2f93ab0fad49f30aac3a2cd7b33dd46
SHA1 hash: e6086bdd2adfcad74ae69d959608bdec754b38c0
MD5 hash: 05ed3ff4048cc0a6e5a84af97f284c9a
humanhash: london-seven-timing-may
File name:Invoice_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'290'240 bytes
First seen:2024-08-09 13:20:09 UTC
Last seen:2024-08-18 16:31:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:UAHnh+eWsN3skA4RV1Hom2KXMmHajQfj5v0JJ94gwT5:jh+ZkldoPK8Yaj88JJ94gg
TLSH T1B655BE0273D6C036FFAB92739B6AB64556BD79250133852F13981DB9BD701B2223E363
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 James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
391
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_pdf.exe
Verdict:
No threats detected
Analysis date:
2024-08-09 13:22:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/30910454-4f57-48c9-b86a-3db9d56bea3f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.AutoIt.1430.13937.25091.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b617c1aa5b40be0a9feabb
Tags:
Stealth Shellcodecrypter
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit epmicrosoft_visual_cc fingerprint keylogger lolbin masquerade microsoft_visual_cc packed shell32
Link:
https://www.filescan.io/uploads/66b617c1b1392db6bab1a5e7/reports/4814d2a3-ded7-4385-ab5a-607967c86f82/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e
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/0832887d-d56c-48d7-95f9-859a96a31d6e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1490597
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e/
Threat name:
Win32.Trojan.Strab
Create hunting rule
Status:
Malicious
First seen:
2024-08-09 00:02:19 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=72mfwhgfqgcj3c7yu46b4coc75xpmnv2qnw675oqivzdivrth4ha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/240809-qlnj2svdme/
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
Link:
https://app.threat.zone/submission/7f496a61-170d-4f4b-bf62-6f76a460829b
Unpacked files
SH256 hash:
afbd7af13d0c5534c2202c72642d3b9cf703fe7c6830b2286beddd98f1e60ca8
MD5 hash:
6f3a380b2fd6bb9d7ac1a3eccaf6adb9
SHA1 hash:
a38f313a8c75c93e2398c7f4c818e4d01793372f
Link:
https://www.unpac.me/results/d2649292-c0d1-46d4-82b5-26e6e4b91f7a/
SH256 hash:
f9a184f6fe8686eddcff9bb4a241516e8bada4bfebec90ed79f4923edc243b56
MD5 hash:
78a5bdcf9636c56f5e3d668c6ca203b3
SHA1 hash:
f2318e318adf6ea44e556d5e7900ae187799e36c
Link:
https://www.unpac.me/results/d2649292-c0d1-46d4-82b5-26e6e4b91f7a/
SH256 hash:
fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e
MD5 hash:
05ed3ff4048cc0a6e5a84af97f284c9a
SHA1 hash:
e6086bdd2adfcad74ae69d959608bdec754b38c0
Detections:
AutoIT_Compiled
Create hunting rule
SUSP_Imphash_Mar23_3
Create hunting rule
Link:
https://www.unpac.me/results/d2649292-c0d1-46d4-82b5-26e6e4b91f7a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fe985b1cc581/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/fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e

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: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 fe985b1cc581849d8bf8a73c1e09c2ff6ef636ba836deff5d045723456333f0e

(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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