MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments
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SHA256 hash: ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012
SHA3-384 hash: fcde679144a7a22cfe7b8afcb6e98ba817cc12b8205bc9bb10d827ae4c8832aba018dd889a8bff1aeaaeecfcba9153ce
SHA1 hash: c2ec4e9960a35d1d87d727044fc11d7e9c6eae69
MD5 hash: 2c664fe09b80a39ad8ee155df91a64e8
humanhash: nevada-violet-zulu-lion
File name:Revised Invoice Vt-1307701765400112977.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'188'352 bytes
First seen:2025-03-05 02:45:47 UTC
Last seen:2025-03-05 10:33:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:ou6J33O0c+JY5UZ+XC0kGso6FadA+ivUOXuSp1Jrj3WY:Cu0c++OCvkGs9FadAqSp1JmY
TLSH T16745CF22B3DDC360CB669133BF69B7016EBF7C614A30B95B2F980D7DA950162122D763
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 aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
2
# of downloads :
691
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Revised Invoice Vt-1307701765400112977.exe
Verdict:
Suspicious activity
Analysis date:
2025-03-05 02:49:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/24258d7d-c731-4f3a-ac7e-7bd3209a1a3d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c7bd25c8d04e92a4bf00f6
Tags:
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context autoit compiled-script fingerprint keylogger lolbin masquerade microsoft_visual_cc obfuscated packed packed packer_detected reg
Link:
https://www.filescan.io/uploads/67c7baf83c5f644bd943540e/reports/da1aee14-e443-4d92-bc0e-61b0df5dfe38/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d1c3097a-950d-4b8b-8f9f-7077098d1e21
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1629724
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
Drops VBS files to the startup folder
Found direct / indirect Syscall (likely to bypass EDR)
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1629724 Sample: Revised Invoice Vt-13077017... Startdate: 05/03/2025 Architecture: WINDOWS Score: 100 44 www.wiselife.xyz 2->44 46 www.usastakes.xyz 2->46 48 19 other IPs or domains 2->48 68 Antivirus detection for URL or domain 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 Yara detected FormBook 2->72 76 5 other signatures 2->76 11 Revised Invoice Vt-1307701765400112977.exe 4 2->11         started        15 wscript.exe 1 2->15         started        signatures3 74 Performs DNS queries to domains with low reputation 46->74 process4 file5 42 C:\Users\user\AppData\...\prophetesses.exe, PE32 11->42 dropped 82 Binary is likely a compiled AutoIt script file 11->82 17 prophetesses.exe 2 11->17         started        84 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->84 21 prophetesses.exe 1 15->21         started        signatures6 process7 file8 40 C:\Users\user\AppData\...\prophetesses.vbs, data 17->40 dropped 56 Multi AV Scanner detection for dropped file 17->56 58 Binary is likely a compiled AutoIt script file 17->58 60 Drops VBS files to the startup folder 17->60 62 Switches to a custom stack to bypass stack traces 17->62 23 svchost.exe 17->23         started        64 Writes to foreign memory regions 21->64 66 Maps a DLL or memory area into another process 21->66 26 svchost.exe 21->26         started        signatures9 process10 signatures11 80 Maps a DLL or memory area into another process 23->80 28 LCOHj4sCZqh1.exe 23->28 injected process12 signatures13 86 Found direct / indirect Syscall (likely to bypass EDR) 28->86 31 findstr.exe 13 28->31         started        process14 signatures15 88 Tries to steal Mail credentials (via file / registry access) 31->88 90 Tries to harvest and steal browser information (history, passwords, etc) 31->90 92 Modifies the context of a thread in another process (thread injection) 31->92 94 3 other signatures 31->94 34 LCOHj4sCZqh1.exe 31->34 injected 38 firefox.exe 31->38         started        process16 dnsIp17 50 031233529.xyz 144.76.229.203, 50086, 50087, 50088 HETZNER-ASDE Germany 34->50 52 www.wiselife.xyz 38.11.101.113, 50070, 50071, 50072 COGENT-174US United States 34->52 54 10 other IPs or domains 34->54 78 Found direct / indirect Syscall (likely to bypass EDR) 34->78 signatures18
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012/
Threat name:
Win32.Trojan.AutoitInject
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Status:
Malicious
First seen:
2025-03-05 02:45:53 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vumhi4q5pf2trem7rre73hzzp76ifwkjqr7fvmkigpohbadpkaja._file
Verdict:
malicious
Label(s):
unc_loader_036
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250305-c9eedswwbt/
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
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Malicious
Tags:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/5b14aab7-5d47-4633-853b-448b4778cbd5
Unpacked files
SH256 hash:
ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012
MD5 hash:
2c664fe09b80a39ad8ee155df91a64e8
SHA1 hash:
c2ec4e9960a35d1d87d727044fc11d7e9c6eae69
Link:
https://www.unpac.me/results/e487b213-742e-4a86-b2f4-884f4894a5ef/
SH256 hash:
1ac4798078ee4959e86df94f74d10cefacfa0001efaf37bb410aa74a6a28074a
MD5 hash:
84b6827fbe5f65b404ec455f964d5a4d
SHA1 hash:
01c97640b6ab63b17a8ce7024e2a7043143baf4f
Link:
https://www.unpac.me/results/e487b213-742e-4a86-b2f4-884f4894a5ef/
SH256 hash:
25bd0474b6fa39b89d72741efeddb7498f94865fd1d06279a2d01e78412eedb0
MD5 hash:
764fd910ebf6dea2d859c5208c178a85
SHA1 hash:
f9f044d745f44ebf46f4a6fa4f1c4db2a2a74853
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/e487b213-742e-4a86-b2f4-884f4894a5ef/
Parent samples :
ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012
14f3c97cfd425a97cd9c0d7ab69cf31b496b339d173a555e096a5836b7494d93
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ad1874721d79/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/ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012

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

rar 263d16d8918065e5214c4c16feee62dded32e4db22574f89aa4e439916bd39eb

Formbook

Executable exe ad1874721d797538919f8c49fd9f397ffc82d949847e5ab14833dc70806f5012

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 263d16d8918065e5214c4c16feee62dded32e4db22574f89aa4e439916bd39eb
  
Dropped by
MD5 c6586ac76b40e80b43981aeae420d685

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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