MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8. 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 6 File information Comments
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SHA256 hash: 25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8
SHA3-384 hash: ae552bc0e0328cc0d14e575a4bc94aa5aa2708e58bda556f1430899748e8881c8896d2da7adee53824469de474e88c34
SHA1 hash: 6c0816a5f0d436f09bee687bbcb38618a3b7ef1d
MD5 hash: 473b340020d3f94884fe6f617eea6b61
humanhash: rugby-washington-nuts-minnesota
File name:89778Cpy.exe
Download: download sample
Signature Formbook
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File size:1'217'536 bytes
First seen:2024-12-05 08:56:10 UTC
Last seen:2025-01-10 14:33:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:fu6J33O0c+JY5UZ+XC0kGso6FaQD6gggaR+Z0hzrLIYi3aWY:pu0c++OCvkGs9FaQD6gaR40tsY
TLSH T11745CF2273DDC360CB769173BF69B7016EBF38614630B95B2F880D7DA950161262D7A3
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
File icon (PE):PE icon
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
435
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.vh.UNOFFICIAL
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Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67516adfbc8c6beb3075e5b1
Tags:
autoit emotet
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:
100%
Tags:
adaptive-context anti-vm anti-vm autoit compiled-script evasive extrac32 fingerprint keylogger lolbin microsoft_visual_cc packed packed packer_detected powershell
Link:
https://www.filescan.io/uploads/67516ae1cca59000e7f5d753/reports/ef55df21-7db4-4856-8d8c-66b337428994/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/329879d7-0ee3-4c64-8120-480447984a68
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1568971
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
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 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: 1568971 Sample: 89778Cpy.exe Startdate: 05/12/2024 Architecture: WINDOWS Score: 100 28 bagatowcannabis.cloud 2->28 30 www.bagatowcannabis.cloud 2->30 36 Suricata IDS alerts for network traffic 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected FormBook 2->40 42 3 other signatures 2->42 10 89778Cpy.exe 2 2->10         started        signatures3 process4 signatures5 54 Binary is likely a compiled AutoIt script file 10->54 56 Writes to foreign memory regions 10->56 58 Maps a DLL or memory area into another process 10->58 60 Switches to a custom stack to bypass stack traces 10->60 13 svchost.exe 10->13         started        process6 signatures7 62 Maps a DLL or memory area into another process 13->62 16 UimEikHuCGuQC.exe 13->16 injected process8 signatures9 34 Found direct / indirect Syscall (likely to bypass EDR) 16->34 19 odbcconf.exe 13 16->19         started        process10 signatures11 44 Tries to steal Mail credentials (via file / registry access) 19->44 46 Tries to harvest and steal browser information (history, passwords, etc) 19->46 48 Modifies the context of a thread in another process (thread injection) 19->48 50 3 other signatures 19->50 22 UimEikHuCGuQC.exe 19->22 injected 26 firefox.exe 19->26         started        process12 dnsIp13 32 bagatowcannabis.cloud 81.2.196.19, 49708, 80 INTERNET-CZKtis238403KtisCZ Czech Republic 22->32 52 Found direct / indirect Syscall (likely to bypass EDR) 22->52 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8/
Threat name:
Win32.Trojan.AutoitInject
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Status:
Malicious
First seen:
2024-12-05 00:01:03 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ex2yib5ypmra6tpdif757axc33fhppmez3gktd5ha6cwd5gmf7ma._file
Verdict:
malicious
Label(s):
formbook
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unknown_loader_036
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Similar samples:
error
Formbook
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/241205-kwky1stjgn/
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:
trojan
YARA:
SUSP_Imphash_Mar23_3
Link:
https://app.threat.zone/submission/0f73d92e-49e8-43c5-8ff3-becfe46c260d
Unpacked files
SH256 hash:
7373365490535d0e5e65712900eecbfa4094d8c481cc627dd4a61555c539d68a
MD5 hash:
d5cb1e9eae0106ab00695f1a9f9c65a8
SHA1 hash:
8ea015adc11079dec0b58799bba8d20a9a77a515
Detections:
win_formbook_g0
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Link:
https://www.unpac.me/results/177405e6-7f60-48e3-a8ca-cec7f97bcd66/
Parent samples :
feaa7b0c24315f2516cc912f47bf1dce6cef3f007ccf05f94b0214ecdf255b3d
25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8
dcf9f185d020d0d54116cdcced781e29227e6724fbb5a35565850a82ee9b468c
28132e1015622452ad4e449031910968d4c5b85d180de1211a34b0ac9ba7f335
039ff8d47395774098b22f4d1afec32e447f5fa17923f8502b198e1f01247e8b
2e5f32ab54f773cab6a78adf2da5a0f647a05d588054891ce28f847b1502be63
SH256 hash:
82cc321237a2b45345b810ad130b90542c0ea6e77c7b6be9c7b0d23451f7f0cc
MD5 hash:
4c081001d4b98851cbe76cef68245990
SHA1 hash:
b553303237937a32703106b937ae8dd15b5f1e38
Link:
https://www.unpac.me/results/177405e6-7f60-48e3-a8ca-cec7f97bcd66/
SH256 hash:
25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8
MD5 hash:
473b340020d3f94884fe6f617eea6b61
SHA1 hash:
6c0816a5f0d436f09bee687bbcb38618a3b7ef1d
Link:
https://www.unpac.me/results/177405e6-7f60-48e3-a8ca-cec7f97bcd66/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/25f58407b87b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8

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
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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
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Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:RansomPyShield_Antiransomware
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Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:SUSP_Imphash_Mar23_3
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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 25f58407b87b220f4de3417fdf82e2deca77bd84cecca98fa7078561f4cc2fd8

(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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