MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20d45ab8062d59db6229e293a604f37e2760519894d07380288f0f8f5e2b5c95. 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: 15


Intelligence 15 IOCs YARA 22 File information Comments 1

SHA256 hash: 20d45ab8062d59db6229e293a604f37e2760519894d07380288f0f8f5e2b5c95
SHA3-384 hash: 02e34f573eb4b40a7df4b62033f2dbe8f1feca053887108d4c0c1f6b8d53d9de19902265896b1ed2cad2298a8c14332b
SHA1 hash: 8ed3947a1e45f67263327a020035765965951949
MD5 hash: 1188a953c9f36b374ca3714c9de1763e
humanhash: salami-beryllium-echo-nine
File name:1188a953c9f36b374ca3714c9de1763e
Download: download sample
Signature Formbook
File size:451'584 bytes
First seen:2023-08-12 17:07:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:p7kv6HlSjbx+NOspNKz9l2jwawmz4FBFqF1V0KrKi:1TSncN/0T2kawmz4FBoF1V0KW
Threatray 3'616 similar samples on MalwareBazaar
TLSH T15BA429E0317D93CFD0A28DB10FC98AB0B9F135AC98C4560DA0F69B2E93D6355449D9FA
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 d4a6a494a48484a4 (65 x AgentTesla, 39 x Formbook, 8 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
319
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
especificaciones.xls
Verdict:
Malicious activity
Analysis date:
2023-08-12 07:41:13 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook stealer spyware

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
confuserex packed 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:
n/a
Detection:
malicious
Classification:
evad
Score:
80 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AntiVM3
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-08-12 08:26:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
16 of 38 (42.11%)
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
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
78eaae7f782e4b12d7d47f290ddaae74c19373393bb86673fb25633b7fcbc7c9
MD5 hash:
be26954f9951b84a519797424fc52ee1
SHA1 hash:
8228036eb552bf7679f37cbd463d3f911d29964e
SH256 hash:
ccf4bff46d21529c3d80c09e62caa7d98a827a911c27b1e1162cd2ae63df5688
MD5 hash:
38011802c816427832469aa74d80874d
SHA1 hash:
55e76a39493785b8c7d90dc1f2acb1fa7b311735
SH256 hash:
20d45ab8062d59db6229e293a604f37e2760519894d07380288f0f8f5e2b5c95
MD5 hash:
1188a953c9f36b374ca3714c9de1763e
SHA1 hash:
8ed3947a1e45f67263327a020035765965951949
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: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:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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: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_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
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.

Web download

Formbook

Executable exe 20d45ab8062d59db6229e293a604f37e2760519894d07380288f0f8f5e2b5c95

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-08-12 17:07:14 UTC

url : hxxp://103.16.225.211/F118S/wininit.exe