MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 322dc83c729bef18426974f5ee9043b02674a917f11404b094a5e899375c6df3. 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 5 File information Comments

SHA256 hash: 322dc83c729bef18426974f5ee9043b02674a917f11404b094a5e899375c6df3
SHA3-384 hash: 36f23b0203fa9ffb62a925e33d96e3dc05641938a23494dedbe5f146de116676c62bea7a54128f521b6a2c1128300e01
SHA1 hash: ea76d586b75994091f26f8d16c7d9bc98828a9cb
MD5 hash: b596fb615753f7c6e6710a2c68622aea
humanhash: william-coffee-rugby-quebec
File name:QUOTATION -2098 - Pictures and catalog attached.exe
Download: download sample
Signature Formbook
File size:1'574'400 bytes
First seen:2022-04-05 11:37:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:XgZh1UZv4kPl3xwSe9XHWFIH98DDo9v1kpP3:Xgqvbl3xwHQU8K1w
Threatray 11'883 similar samples on MalwareBazaar
TLSH T11475284E72838851FD41A3B5D8776BA423749BB65989A303A3B4FA3DDC2F3B51E50702
File icon (PE):PE icon
dhash icon 04b0389c4c96e532 (1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a custom TCP request
Creating a file
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed update.exe
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executable to a common third party application directory
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603287 Sample: QUOTATION -2098 - Pictures ... Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 64 www.ibb888.com 2->64 66 parkingpage.namecheap.com 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Antivirus / Scanner detection for submitted sample 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 9 other signatures 2->74 11 QUOTATION -2098 - Pictures and catalog attached.exe 1 4 2->11         started        signatures3 process4 file5 58 C:\Users\user\AppData\Local\firefox.exe, PE32 11->58 dropped 60 C:\Users\user\...\firefox.exe:Zone.Identifier, ASCII 11->60 dropped 62 QUOTATION -2098 - ...og attached.exe.log, ASCII 11->62 dropped 82 Drops executable to a common third party application directory 11->82 84 Injects a PE file into a foreign processes 11->84 15 QUOTATION -2098 - Pictures and catalog attached.exe 11->15         started        18 cmd.exe 1 11->18         started        20 QUOTATION -2098 - Pictures and catalog attached.exe 11->20         started        signatures6 process7 signatures8 102 Modifies the context of a thread in another process (thread injection) 15->102 104 Maps a DLL or memory area into another process 15->104 106 Sample uses process hollowing technique 15->106 108 Queues an APC in another process (thread injection) 15->108 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        26 timeout.exe 1 18->26         started        process9 process10 28 firefox.exe 2 22->28         started        31 firefox.exe 1 22->31         started        33 msdt.exe 22->33         started        35 2 other processes 22->35 signatures11 86 Antivirus detection for dropped file 28->86 88 Multi AV Scanner detection for dropped file 28->88 90 Machine Learning detection for dropped file 28->90 37 firefox.exe 28->37         started        40 cmd.exe 1 28->40         started        92 Injects a PE file into a foreign processes 31->92 42 firefox.exe 31->42         started        44 cmd.exe 1 31->44         started        94 Self deletion via cmd delete 33->94 96 Modifies the context of a thread in another process (thread injection) 33->96 98 Maps a DLL or memory area into another process 33->98 46 cmd.exe 33->46         started        100 Tries to detect virtualization through RDTSC time measurements 35->100 process12 signatures13 76 Modifies the context of a thread in another process (thread injection) 37->76 78 Maps a DLL or memory area into another process 37->78 80 Sample uses process hollowing technique 37->80 48 conhost.exe 40->48         started        50 timeout.exe 1 40->50         started        52 conhost.exe 44->52         started        54 timeout.exe 1 44->54         started        56 conhost.exe 46->56         started        process14
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-04-05 10:40:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:w83h persistence rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
e5a918b5b50ac638f4063e52ab49d21c1ee80d677394661d3f5126c4c4e7c531
MD5 hash:
deb47d6afbd636f803e41106fd210cae
SHA1 hash:
2050beefcb674180ca7c9e54602c1568fa2fb682
Detections:
win_formbook_g0
SH256 hash:
00df0d7df9917b5ad0390477cb0e1ebc6da1a8e0e78149e73e1cc51fba9a4661
MD5 hash:
6d16d2f2de4163907c7cbb5c95af3afe
SHA1 hash:
81d440da56236816895c7881b93538a1f127bee5
SH256 hash:
3c443df97bd1286cb3ca1b69fbce719a0d3d8fb05733ee9e15b4e2391e9983d0
MD5 hash:
024e82044c0a5f22d28c99b1a5c21ee1
SHA1 hash:
78b14a4f25bc0c043b1875c5aa96452c97f660c9
SH256 hash:
322dc83c729bef18426974f5ee9043b02674a917f11404b094a5e899375c6df3
MD5 hash:
b596fb615753f7c6e6710a2c68622aea
SHA1 hash:
ea76d586b75994091f26f8d16c7d9bc98828a9cb
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Malspam

Formbook

Executable exe 322dc83c729bef18426974f5ee9043b02674a917f11404b094a5e899375c6df3

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments