MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0065495640ca573d1528ef14bfc33d30e1a5542b95d05601fb1fc49de4bb64f7. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: 0065495640ca573d1528ef14bfc33d30e1a5542b95d05601fb1fc49de4bb64f7
SHA3-384 hash: b20a23aba51a875bcf2a126f490ef40fde99672983233ca6d35aa7857e22584b061ef4589cd77e7364f334e8d8766add
SHA1 hash: e84fa8e46658061aff2e49af74e630f76b4f5e94
MD5 hash: 645e5b1b51b9f7b871224d94cb776534
humanhash: nevada-quiet-cold-kilo
File name:645e5b1b51b9f7b871224d94cb776534.exe
Download: download sample
Signature Formbook
File size:255'920 bytes
First seen:2022-08-31 07:54:54 UTC
Last seen:2022-08-31 09:46:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:2o8z2ceD4dKYoDZMeDi4cNKgi6y3/Ha8/N3euOBMc:tD4ItMUi4cNUpa813OBMc
TLSH T12D44128333CD6CA5DFBF1B74659F8B140331D65EB8D282AEB2E5A1180EE33B06536651
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay 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
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2022-08-31 07:42:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 26 (80.77%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook persistence spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds policy Run key to start application
Executes dropped EXE
Formbook
Unpacked files
SH256 hash:
a8578dc0863462a0103abe4596dfe9d3a5c39e3c60b4c23a62cd6e8a8635971c
MD5 hash:
ab99bf2d2d78e861114c95a12384d64a
SHA1 hash:
739a73c81ca82f1f8f2027dd0fb8d81b6dc81d0d
SH256 hash:
cade480ff5a9ad51b1ff971d66c67ce361e348dd0f69b6e63e97ee3fc9cf1c00
MD5 hash:
be8eb73308fa2c4890cd03c970bbbe95
SHA1 hash:
fbabed2b95a899a486c97656c1d04b70ae732cc5
SH256 hash:
bb840ae405f2eab40bd7c11b0e43d8049d6724de8d41cfbc929f0f11fa21f5f4
MD5 hash:
b8c9adb264eeba8aa524064160b4ef52
SHA1 hash:
6855153a49d6a32b624a44b4f546bb05779a2fc0
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
0065495640ca573d1528ef14bfc33d30e1a5542b95d05601fb1fc49de4bb64f7
MD5 hash:
645e5b1b51b9f7b871224d94cb776534
SHA1 hash:
e84fa8e46658061aff2e49af74e630f76b4f5e94
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


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

Web download

Formbook

Executable exe 0065495640ca573d1528ef14bfc33d30e1a5542b95d05601fb1fc49de4bb64f7

(this sample)

  
Delivery method
Distributed via web download

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