MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57b9e598a2344a9f11ea57e9def885d0548034bbfd7020c697770bc68d12660d. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 57b9e598a2344a9f11ea57e9def885d0548034bbfd7020c697770bc68d12660d
SHA3-384 hash: fb8895d82be3ae3759bb0612341c66bb730275644682dafa8e7ea0dd4f5fdbf8188d168b25c2784be50a97b26ce9d698
SHA1 hash: cea80ba15c62c703665c556316cbbc2a0a9a8bf9
MD5 hash: 313524e6258ef1bdb3a175c90a0b2455
humanhash: spaghetti-early-december-tango
File name:indent- 40120517.pdf.z
Download: download sample
Signature Formbook
File size:310'078 bytes
First seen:2023-05-31 06:17:25 UTC
Last seen:2023-05-31 06:33:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:AYa6F09XGjbm9UAuN3p+SBSV8T/kFQW81/OMdb27wAn7xRo7G5l:AYn09b9UAuN3ESBOEaY1GME8An7PkG5l
Threatray 2'999 similar samples on MalwareBazaar
TLSH T1A66412C86FB0C673C4904A310676DA997EB16D266924624B1B40BB6DFCF22D1CE0F767
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fcd8d0d2dac0c0e4 (44 x Formbook, 1 x AgentTesla, 1 x XWorm)
Reporter JAMESWT_WT
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
251
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
indent- 40120517.pdf.z
Verdict:
Suspicious activity
Analysis date:
2023-05-31 06:20:33 UTC
Tags:
n/a

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Сreating synchronization primitives
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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:
NSISDropper, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-05-30 23:48:17 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
5de47656d70990ec230319bd2e35b9254a19583f005487551a0d9a951607feed
MD5 hash:
c9d1695f8f861de42ff96e5a03ae3e36
SHA1 hash:
a09c013a0c262d8c8f6dba5ffbb4c2c4760129b4
SH256 hash:
86782fad55ddd9a12122810d4776f9105e5dae0d94b3bc1cc56f9d75eb4a9b2d
MD5 hash:
42033ab4bbaa96e3454ee64250bd7caf
SHA1 hash:
0a65e0194af1d8e445361092f18929e2810c7a79
SH256 hash:
57b9e598a2344a9f11ea57e9def885d0548034bbfd7020c697770bc68d12660d
MD5 hash:
313524e6258ef1bdb3a175c90a0b2455
SHA1 hash:
cea80ba15c62c703665c556316cbbc2a0a9a8bf9
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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.

Comments