MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00cfe203d12d732e66ba6f2bfbd6b7dff900b2c7b90cba95a435f9f78adafeca. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 00cfe203d12d732e66ba6f2bfbd6b7dff900b2c7b90cba95a435f9f78adafeca
SHA3-384 hash: 9e23b980bad4d7f1fd6850fdad37349f99cfeb2525076d963de6b45dcdbec95e2117c4b3f46c714b5a2d6024b847721f
SHA1 hash: 11e06be084a9cacc3b2efd6dccfe2150157efd54
MD5 hash: accc0f01ddef889541b6dd8ba26983d1
humanhash: mobile-texas-black-xray
File name:Vollständiges Dokument.exe
Download: download sample
Signature Formbook
File size:1'165'824 bytes
First seen:2023-05-02 15:40:34 UTC
Last seen:2023-05-03 06:28:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:LPvQHdIkQYvRQHTWsH5TGKhUe+qbeDfiUZtvH0eDsVOrLVZwAXz:jvQ6kQWQjUAUnD3J0R+VH
Threatray 2'783 similar samples on MalwareBazaar
TLSH T15645DF606269172AD13A1BF0045CF93103B27DF6B4EAD6281DE3BCC7B6B7B43096195B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 0d0d0c33432b130d (2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
287
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Vollständiges Dokument.exe
Verdict:
Malicious activity
Analysis date:
2023-05-02 15:42:43 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 857789 Sample: Vollst#U00e4ndiges_Dokument.exe Startdate: 02/05/2023 Architecture: WINDOWS Score: 100 31 www.huashi366.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Yara detected FormBook 2->43 45 4 other signatures 2->45 11 Vollst#U00e4ndiges_Dokument.exe 3 2->11         started        signatures3 process4 file5 29 C:\...\Vollst#U00e4ndiges_Dokument.exe.log, ASCII 11->29 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 57 Injects a PE file into a foreign processes 11->57 15 Vollst#U00e4ndiges_Dokument.exe 11->15         started        signatures6 process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 2 1 15->18 injected process9 dnsIp10 33 chateaufinewines.com 170.249.210.2, 49699, 80 PRIVATESYSTEMSUS United States 18->33 35 www.lab1207.com 18->35 37 www.chateaufinewines.com 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 colorcpl.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-05-02 15:41:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:km37 rat spyware stealer trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
bbfc56e433cc58c6c2cb03621c2d2ef07b4b3fd54fc7b33d949d7135e3a1b1db
MD5 hash:
f0a36b432be604838d38a6c17ba910ae
SHA1 hash:
6907e2a5e83974ad4b2ec8170c0035184d3617aa
SH256 hash:
e5518e76f14e87bcc58a705c6f8f3a686cbffefc0e55985d17a067adfddf3688
MD5 hash:
920a2854e9c183ad2ef7d5543c296d38
SHA1 hash:
2c20da753bdf6f1a46261e2c132dd42f75c94229
SH256 hash:
8362a107d309eb065d84b5780573c9fd37827ff8f975eaa758b6cec1091172fc
MD5 hash:
c23099f8f63823b69870bfbf7749ecef
SHA1 hash:
2651b69408237d6854e68fc610ea8bb12acae4fd
SH256 hash:
609078931e891b15d3b0b881b2f75b9ff03215caebaf565a3c519a2e828dea80
MD5 hash:
3ef340b9baedbe11e8e75573ffb298bb
SHA1 hash:
1ab77427aceda1b6aa770183e3a2ce4085aafb7e
SH256 hash:
00cfe203d12d732e66ba6f2bfbd6b7dff900b2c7b90cba95a435f9f78adafeca
MD5 hash:
accc0f01ddef889541b6dd8ba26983d1
SHA1 hash:
11e06be084a9cacc3b2efd6dccfe2150157efd54
Please note that we are no longer able to provide a coverage score for Virus Total.

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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 00cfe203d12d732e66ba6f2bfbd6b7dff900b2c7b90cba95a435f9f78adafeca

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments