MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539
SHA3-384 hash: 90bf691a7b28add862e2970b11f6116a37694273fefc74facf23c2542928daa27bf049e9000a8ae7f473e66f9500f933
SHA1 hash: fce13f5a91aaa027754135416ae6596d9df87f7b
MD5 hash: 954da1b9a0a2c2b81069f453f11d0abf
humanhash: mango-autumn-double-monkey
File name:rZahlungsbeleg_10020001092300000_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'318'400 bytes
First seen:2025-03-10 16:30:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:Au6J33O0c+JY5UZ+XC0kGso6FaHn7qmZ1qr583oGs41PMz6WY:qu0c++OCvkGs9FaH7j1qr58YGNONY
Threatray 436 similar samples on MalwareBazaar
TLSH T14C55AE22A38C82A5D7664133BF69F3212E7B7C690131B46F2ED83D7AB530261162D777
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10522/11/4)
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
dhash icon 0aba869aa2a2b68a (3 x SnakeKeylogger, 3 x AgentTesla, 3 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rZahlungsbeleg_10020001092300000_pdf.exe
Verdict:
Suspicious activity
Analysis date:
2025-03-11 03:38:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4b81f2f6-a19e-439a-815e-a73aa29b2daa

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67cf1d5d1f777fe30608bc70
Tags:
underscore autorun autoit emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1633982
Signature
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1633982 Sample: rZahlungsbeleg_100200010923... Startdate: 10/03/2025 Architecture: WINDOWS Score: 100 32 Multi AV Scanner detection for submitted file 2->32 34 Sigma detected: Drops script at startup location 2->34 36 Binary is likely a compiled AutoIt script file 2->36 38 3 other signatures 2->38 8 rZahlungsbeleg_10020001092300000_pdf.exe 4 2->8         started        12 wscript.exe 1 2->12         started        process3 file4 28 C:\Users\user\AppData\Local\...\benting.exe, PE32 8->28 dropped 40 Binary is likely a compiled AutoIt script file 8->40 14 benting.exe 2 8->14         started        42 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->42 18 benting.exe 1 12->18         started        signatures5 process6 file7 30 C:\Users\user\AppData\Roaming\...\benting.vbs, data 14->30 dropped 44 Multi AV Scanner detection for dropped file 14->44 46 Binary is likely a compiled AutoIt script file 14->46 48 Drops VBS files to the startup folder 14->48 50 Switches to a custom stack to bypass stack traces 14->50 20 svchost.exe 14->20         started        52 Writes to foreign memory regions 18->52 54 Maps a DLL or memory area into another process 18->54 56 Sample uses process hollowing technique 18->56 22 svchost.exe 18->22         started        signatures8 process9 process10 24 WerFault.exe 20 18 20->24         started        26 WerFault.exe 3 23 22->26         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-03-10 15:11:18 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=udrym7mze6ztpdivi4uzx4lc6csgdtw3xiqdwrhr5rc3lqscyu4q._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
Similar samples:
0bca775fc5e307eab4c0bebc7515cfdd901eefb02bcdf258378dbe9d600abdcb
Formbook
18845e88fb0b8c94cc565a4284ad94024f2a7929d84333a6f14fc0b32c199a2f
Formbook
5942293d4ed06c7427d43524f4226be05ead22d7cb55ec2373fcb482fab62c4b
Formbook
68eeebf088677c025da067485a8448bfa38f4b13c61e5e2c2ed717701df74222
Formbook
89f36596fa4312a84e11337670028508e32c3b08d61fd62c8620a8ca38d5c411
Formbook
a38f465cd2031b4950a67c733fdd3708bbd04e88bf6cb44277988009de45c421
Formbook
ac381e891cda88d95c3402a58a256a52f1ff4e4fd0f4803f4d4ddd43691dd81f
Formbook
d87b3230fbc2d67ab433cd79f0cff53af089f2749c76ad4bf1a12e876804f376
Formbook
ee089f70b2caa20666987c42658069b53c2b6547a2cf3a34427c3d07d23a03e6
Formbook
error
Formbook
fb045fee03da4085d3999f9ffb0f8cd287eda8d3842e1c29e156b38b4e28ac76
Formbook
+ 426 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250310-tzy5gs1l17/
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
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6f7f5039-2664-4f95-8b69-3199ca5c92cb
Unpacked files
SH256 hash:
a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539
MD5 hash:
954da1b9a0a2c2b81069f453f11d0abf
SHA1 hash:
fce13f5a91aaa027754135416ae6596d9df87f7b
Link:
https://www.unpac.me/results/d587995d-b3d6-41c4-aade-ac0d6ec6ac64/
SH256 hash:
5b06579febb4b5a93fcec098cf1939274a54d8d4e8ae3165b108216d91e5b845
MD5 hash:
65c89ef371f2ecb32622f3fb92bc8052
SHA1 hash:
5cf2a9983a266049bb6cf99b9b6a6dea24077714
Link:
https://www.unpac.me/results/d587995d-b3d6-41c4-aade-ac0d6ec6ac64/
SH256 hash:
83e12d4eca8e832771364abca045f2065dd9be5000106f9c9e9028e4365a8aa7
MD5 hash:
58be8fbc94181aea4d3e622d8b43e5a2
SHA1 hash:
6b2a58075f152623fe50c6f72618af86b890f07c
Link:
https://www.unpac.me/results/d587995d-b3d6-41c4-aade-ac0d6ec6ac64/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a0e3867d9927/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/a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539

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: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
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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe a0e3867d9927b3378d1547299bf162f0a461cedbba203b44f1ec45b5c242c539

(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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