MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d149fc6adc07ffa848eb414438af0bb68cee6b0f3d7c4fe5dc919e7f5182bd27. 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: 10


Intelligence 10 IOCs YARA 23 File information Comments

SHA256 hash: d149fc6adc07ffa848eb414438af0bb68cee6b0f3d7c4fe5dc919e7f5182bd27
SHA3-384 hash: 73e03f93d6954999a1a9668e99944473f7e76e0c5895d510ae9d3a9e71b92e8d492f4bd7862e83f7211d9032e5301bdb
SHA1 hash: ed9d8a06fde364a908298b936d58579e7785c22d
MD5 hash: 17c0d3773cb35f45a85fbf2108bce11c
humanhash: mango-mirror-victor-uncle
File name:maxziflowzx.exe
Download: download sample
Signature Formbook
File size:839'680 bytes
First seen:2023-12-04 14:04:15 UTC
Last seen:2023-12-04 15:25:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:SW/WtW8G34/uK45+po2Tf/v4L79wfKy8brSx0IQ79GR+8lDPIynm7e1:N34/up+pJTnv4L79iKTOMgRN9zk
TLSH T1D205226A73B49B2AD86A83F5D83A719843B0FD693531F68E1D8371CF1671B406E01E87
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
326
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-04 09:42:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
a89bac9dc367e40e1c54fe9bba3fdbecaf37ade14a6e48793671c7ab1b90eeba
MD5 hash:
a4facccc3557e6f06dda9fde43949f3c
SHA1 hash:
c060cd4a2eef1dde284a8c11b12e551fcf884387
SH256 hash:
070e8a42b47f7cb36c6ee9335c0a6341ba66681fb4e694deb06ceff90e453201
MD5 hash:
bbfa42b89636baa3484077a3315795fd
SHA1 hash:
a07cbb0e73aec5c44c0eebd3e28ccdd01a529f33
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
7ab6a2c1b6fe786528ecb66bc47bfaa5bbb7c75200a2a64b407e7da23b163532
MD5 hash:
50724cf72a7feba1a63275c6d7707f7c
SHA1 hash:
c93af1dfbe89bb0f4860c5d3ed5c64ea0ff61aef
SH256 hash:
16d12cdc4fc27f74901a63287b37fe2361a708cd658a57353510123ae447d7ee
MD5 hash:
265361b114574ee59e314aad5b83b755
SHA1 hash:
877fcc0e6a1bb5522f3e114c71561c954e8d52a7
SH256 hash:
d149fc6adc07ffa848eb414438af0bb68cee6b0f3d7c4fe5dc919e7f5182bd27
MD5 hash:
17c0d3773cb35f45a85fbf2108bce11c
SHA1 hash:
ed9d8a06fde364a908298b936d58579e7785c22d
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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Formbook
Author:kevoreilly
Description:Formbook Payload
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

Comments