MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11d9bfab2d9c7344ef52970bd53f3dae040d3821f8ff0a03ba1f3d92593f7717. 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: 11


Intelligence 11 IOCs YARA 22 File information Comments

SHA256 hash: 11d9bfab2d9c7344ef52970bd53f3dae040d3821f8ff0a03ba1f3d92593f7717
SHA3-384 hash: 1028a101f5995c0e7acea74d51282dfb1977e60f750deab2fe1b1f10e4b16ac2419c88ece7cca858ec6229fee6779a90
SHA1 hash: b88154952c0895ee63c724a0c62b3ff4ad5f5100
MD5 hash: 0b1c660501c5cce8a7dcb5a65dc69607
humanhash: harry-hamper-california-aspen
File name:SecuriteInfo.com.Win32.TrojanX-gen.7803.12704
Download: download sample
Signature Formbook
File size:772'096 bytes
First seen:2023-11-28 15:18:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:sG1QmbCpvPoqjBp781KqGeU2W2Zv0U9/LrBT4O0sEbYhdkgtvMP81:eP/pcPGWW2ZvB9jrNHdEP81
Threatray 331 similar samples on MalwareBazaar
TLSH T165F4E02936BD2F22E0B987F94432256007F939AF107DE6D81DD170DF26B0F541B89A5B
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
FR FR
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
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:
84 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-28 12:59:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
96adebe2d3724b09c5f8d594729bbf9b084d9b6dff3398c5e1c7d79d0ca642e3
MD5 hash:
66177a12d0bc968626c1716133a08e46
SHA1 hash:
df395156d246854650801b46607b4a1b2ba47721
SH256 hash:
a0f01eaf0772e8a22deec7deaffe23c78790261a8e917005e7796e12f4b89b6d
MD5 hash:
2d194f56ed6fd1e15d977f873b63df83
SHA1 hash:
adf44b215e43477d8e70b942c528a83df3837c7b
SH256 hash:
64c97f572e08dce5efeb9c1779060ca61c9679dbf396b0978aa4514c030ef1c2
MD5 hash:
601702dc9c10fb5166ba8ecfd556fd1c
SHA1 hash:
f1460cf77d7a9a1bc2d21fee8ae7a80d948904dd
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
f5a8f5ded618fd3989fa98a3c2d87c4853d6e10ecb1313cd5ddd7df375336b31
MD5 hash:
243f9990bb7d68a3f6e4d3999800da5b
SHA1 hash:
ba555175d12f19f6288a3574738bcd6c8b747e3b
SH256 hash:
11d9bfab2d9c7344ef52970bd53f3dae040d3821f8ff0a03ba1f3d92593f7717
MD5 hash:
0b1c660501c5cce8a7dcb5a65dc69607
SHA1 hash:
b88154952c0895ee63c724a0c62b3ff4ad5f5100
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: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