MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685
SHA3-384 hash: f50e349c831f76332338de716912127e72a820ed47830c5ce71a60f18e9dcd4d66eb50525056fd2da7db98c5303b1009
SHA1 hash: bb0829196cd3d2d8340b992f905661cb96519e9b
MD5 hash: 648b4fced14ce26d184a31002a201e44
humanhash: green-enemy-may-berlin
File name:doc2902.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'208'323 bytes
First seen:2024-03-03 09:22:48 UTC
Last seen:2024-03-03 11:30:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (390 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:TTbBv5rUDAbVkN0BFbilTlM+UNMIbPeni+rfQifbAZP+vPM:NBDe+kM+ObWr4CAZPOPM
Threatray 2'622 similar samples on MalwareBazaar
TLSH T163451202BAC588F2D572143159399B61A93D7D201F718EEF93D83A6D9E312C1C2367AB
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon b4fa99999999fa00 (2 x Formbook, 1 x DarkCloud, 1 x NanoCore)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
321
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Adding an access-denied ACE
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm blustealer fingerprint formbook infostealer installer keylogger lolbin overlay packed setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/65e441783b77ec6525648e54/reports/e1afac17-1b9d-4840-aa33-722c0902601c/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/504b8fbc-0261-4830-8282-89d8aaa890e4
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402099
Signature
Allocates memory in foreign processes
Contains functionality to inject code into remote processes
Found API chain indicative of sandbox detection
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Double Extension Files
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1402099 Sample: doc2902.exe Startdate: 03/03/2024 Architecture: WINDOWS Score: 100 82 Malicious sample detected (through community Yara rule) 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 11 other signatures 2->88 12 doc2902.exe 3 43 2->12         started        16 grhga.jpg.exe 1 2->16         started        18 grhga.jpg.exe 2->18         started        process3 file4 76 C:\Users\user\AppData\Local\...\grhga.jpg, PE32 12->76 dropped 78 C:\Users\user\AppData\Local\Temp\...\bugx.vbe, Unicode 12->78 dropped 102 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->102 20 wscript.exe 1 12->20         started        104 Multi AV Scanner detection for dropped file 16->104 106 Writes to foreign memory regions 16->106 108 Allocates memory in foreign processes 16->108 110 Injects a PE file into a foreign processes 16->110 23 RegSvcs.exe 16->23         started        25 RegSvcs.exe 16->25         started        27 RegSvcs.exe 18->27         started        29 RegSvcs.exe 18->29         started        signatures5 process6 signatures7 90 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->90 31 cmd.exe 1 20->31         started        33 cmd.exe 1 20->33         started        36 cmd.exe 1 20->36         started        38 WerFault.exe 4 27->38         started        process8 signatures9 40 grhga.jpg 1 40 31->40         started        44 conhost.exe 31->44         started        80 Uses ipconfig to lookup or modify the Windows network settings 33->80 46 conhost.exe 33->46         started        48 ipconfig.exe 1 33->48         started        50 conhost.exe 36->50         started        52 ipconfig.exe 1 36->52         started        process10 file11 68 C:\Users\user\AppData\Local\...\grhga.jpg.exe, PE32 40->68 dropped 70 C:\Users\user\AppData\Local\...\grhga.jpg, PE32 40->70 dropped 72 C:\Users\user\AppData\Local\...\grhga.jpg.exe, PE32 40->72 dropped 74 C:\Users\user\AppData\Local\...\wlkhmf.exe, data 40->74 dropped 94 Multi AV Scanner detection for dropped file 40->94 96 Found API chain indicative of sandbox detection 40->96 98 Contains functionality to inject code into remote processes 40->98 100 4 other signatures 40->100 54 RegSvcs.exe 40->54         started        57 RegSvcs.exe 40->57         started        signatures12 process13 signatures14 92 Maps a DLL or memory area into another process 54->92 59 koKZytBctQNYvJYGiwkDxrnvhkhvix.exe 54->59 injected process15 process16 61 compact.exe 59->61         started        signatures17 112 Maps a DLL or memory area into another process 61->112 114 Queues an APC in another process (thread injection) 61->114 64 koKZytBctQNYvJYGiwkDxrnvhkhvix.exe 61->64 injected 66 explorer.exe 61->66 injected process18
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-02-29 07:46:42 UTC
File Type:
PE (Exe)
Extracted files:
92
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxom4spdmlp64tjs32t66icvupiaatohqox6sgblob2hve4b22cq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1b7c29ec3b8b5e6d2ef3535b36990ad6dec6c2cd2800bb237717965b23ca8a16
Formbook
592217d2590ae9ca688346688b2d7d13a78190f9562889597ebb79060136034c
Formbook
7f5afd30f7eb7858f4d31dc758fdf58927e9547446a50125216b0486f2295e2e
Formbook
bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685
Formbook
db9737257fac05121420a708b7d32413086f06824152969883dbf04a23e8137d
Formbook
f2654977c1d40ceaf88ac1ec3ec51e5ffd603cc80a58c1a0e2b8c7c6bb5a8bf9
Formbook
+ 2'612 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/240303-lcf2dsgh34/
Behaviour
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
3fce07bd7e220e97a1b141da155444f95aba7b5e4325f6a5edb262c025c1e5a9
MD5 hash:
eeaa0f5d82e56659c80fa84d588bf870
SHA1 hash:
a1aea1de9c42e1ef8c186ef6246dd318040e66de
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/7bc011e9-c49d-414c-b9fe-fc947cebd67e/
Parent samples :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 hash:
bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685
MD5 hash:
648b4fced14ce26d184a31002a201e44
SHA1 hash:
bb0829196cd3d2d8340b992f905661cb96519e9b
Link:
https://www.unpac.me/results/7bc011e9-c49d-414c-b9fe-fc947cebd67e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bddcce49e362/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/bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe bddcce49e362dfee4d32dea7ef2055a3d0004dc783afe9182b70747a9381d685

(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
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments