MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64a99c3141dd1a5e927a5bfd592ca25384c1eb00d21741f66ebb4ba505785926. 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 14 File information Comments

SHA256 hash: 64a99c3141dd1a5e927a5bfd592ca25384c1eb00d21741f66ebb4ba505785926
SHA3-384 hash: 4e191fd7c24b39181ffa0bffd57864d16a1c05b93a4ec8eaa519ff5b98764c10b40c31969499366e8feefd42c408c8c6
SHA1 hash: fbc6a276deae109bad22072eedd6ce0e75584915
MD5 hash: a3638a8d5d42b287cfd46ef95c8cd858
humanhash: red-skylark-tennis-echo
File name:Suntech Inquiry P43030.exe
Download: download sample
Signature Formbook
File size:915'968 bytes
First seen:2023-10-31 12:41:51 UTC
Last seen:2023-11-09 11:12:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:fz941IhC3rzVxZaADMWdxvFgNTMzLsZYi7eJweIVOswTFMYz3jSi7O7qs2nO3IIC:fp3hC3rZvgWvOFMzLNJw5wFMtkO283
Threatray 197 similar samples on MalwareBazaar
TLSH T12A154A3C48BD1627C1B0EFF59B954426B3E0A56B3255AD3859E318D6C212B06FD83A3F
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 8b0b0b2361392f2b (3 x Formbook, 1 x AgentTesla)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
325
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
.NET source code contains very large array initializations
.NET source code contains very large strings
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 submitted file
Queues an APC in another process (thread injection)
Uses netstat to query active network connections and open ports
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-10-30 06:16:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
1a115bcfc5da34fc9313a238391e3badc4e77b8047f127b4875d1514418d8429
MD5 hash:
b11c68da899b95389252677f86b48fcd
SHA1 hash:
8f4803251ae0e9b1498901eedbec45ee9f712adb
SH256 hash:
36aeb61d300fef8cecce05d190071644057115880f629aa4b68bc4f85d9182e0
MD5 hash:
9f216e77e7d78a77bc95f4c745eb2f88
SHA1 hash:
bfd799a0006959dd7449620a05076b10543623c4
SH256 hash:
44a8ceca90bca826bf2e7faf5f4fea24a30f97fe75f2553b7ae26784de8ea856
MD5 hash:
be8d0f301d6a450aa2d219470ded392d
SHA1 hash:
f075b8e525d2cb768f0ed4f07a34e35570b31b9a
SH256 hash:
17a6516ab1826f5e572f2120d406a51c38f837a5acd57442a7d23e75a6d91dfa
MD5 hash:
8536ad0bf5888066265dc871c5e0788f
SHA1 hash:
cf76e826f8e05f25fb99713bac7311684e9aa62e
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
64a99c3141dd1a5e927a5bfd592ca25384c1eb00d21741f66ebb4ba505785926
MD5 hash:
a3638a8d5d42b287cfd46ef95c8cd858
SHA1 hash:
fbc6a276deae109bad22072eedd6ce0e75584915
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

Executable exe 64a99c3141dd1a5e927a5bfd592ca25384c1eb00d21741f66ebb4ba505785926

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments