MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9586cb34f6fa42b5b89f4457f775731256f1b53ac22aaa3a35aa4ad305f632a7. 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 2 File information Comments

SHA256 hash: 9586cb34f6fa42b5b89f4457f775731256f1b53ac22aaa3a35aa4ad305f632a7
SHA3-384 hash: f7e7a220741e18693da1da140b13f201aeb14fdbe0064e0e554132246df0e821851ef25839c47f77ba6546f0a67b72a7
SHA1 hash: ab800928817a085631f1cf151b397a6d641435d6
MD5 hash: 8f837ad0951a94117ac86dd6385ca5c4
humanhash: blossom-sweet-friend-hydrogen
File name:TNT Original Invoice.exe
Download: download sample
Signature Formbook
File size:801'792 bytes
First seen:2022-08-25 11:08:36 UTC
Last seen:2022-08-25 11:37:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:rqUT/0shbH1vT/0shb+b+3KwmsrN371ScRP3:WC5HA+3KnsrTSW
Threatray 14'032 similar samples on MalwareBazaar
TLSH T11105016533E4C85ACA7FA7FAD8A001410774B5196D52D74F968035FE0832BDA8A0FBA7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe FormBook TNT

Intelligence


File Origin
# of uploads :
2
# of downloads :
343
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
TNT Original Invoice.exe
Verdict:
Malicious activity
Analysis date:
2022-08-25 11:11:35 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 690188 Sample: TNT Original Invoice.exe Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 10 other signatures 2->54 8 TNT Original Invoice.exe 7 2->8         started        process3 file4 34 C:\Users\user\AppData\...\JTOxYJjkqnT.exe, PE32 8->34 dropped 36 C:\Users\...\JTOxYJjkqnT.exe:Zone.Identifier, ASCII 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp98BD.tmp, XML 8->38 dropped 40 C:\Users\...\TNT Original Invoice.exe.log, ASCII 8->40 dropped 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 12 TNT Original Invoice.exe 8->12         started        15 powershell.exe 21 8->15         started        17 powershell.exe 24 8->17         started        19 3 other processes 8->19 signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 12->64 66 Maps a DLL or memory area into another process 12->66 68 Sample uses process hollowing technique 12->68 70 Queues an APC in another process (thread injection) 12->70 21 explorer.exe 12->21 injected 25 conhost.exe 15->25         started        27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process8 dnsIp9 42 www.998899.lc 128.14.22.37, 49800, 49801, 80 ZNETUS United States 21->42 44 artistamundial.com 66.225.241.38, 49802, 49803, 80 USG-CORPORATIONUS United States 21->44 46 21 other IPs or domains 21->46 56 System process connects to network (likely due to code injection or exploit) 21->56 58 Performs DNS queries to domains with low reputation 21->58 31 rundll32.exe 21->31         started        signatures10 process11 signatures12 72 Tries to steal Mail credentials (via file / registry access) 31->72 74 Tries to harvest and steal browser information (history, passwords, etc) 31->74 76 Deletes itself after installation 31->76 78 2 other signatures 31->78
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-08-25 11:09:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
45
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Gathers network information
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
Unpacked files
SH256 hash:
4c46f875970c96404ff3f880b6b2a66e03df9206bfbf4314746b7baab2c55a6b
MD5 hash:
65e9a3cbb08a564c1191ba5eb2fc6aef
SHA1 hash:
b78170818d41dbe46ba5da2433e0f5b13deeec48
SH256 hash:
ceda93fdfce3ad8e4f800d4f2d940d793b68b4b0b254b652bf42e13dbd189ba7
MD5 hash:
786afe844ec1723b635cace747b60efd
SHA1 hash:
fa647a584a7fcad392147a182e3a2435b3ad5bb9
SH256 hash:
e9dec336aa1008229e1f162d224c7a6b8da2a37ea5f0d0465bbad2475ded3bbf
MD5 hash:
eb5d010ae9ce482c0419044932f3b531
SHA1 hash:
6ae60ae3f0ecb6a3d6eb4b2eee2553cfdb827dd9
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
9586cb34f6fa42b5b89f4457f775731256f1b53ac22aaa3a35aa4ad305f632a7
MD5 hash:
8f837ad0951a94117ac86dd6385ca5c4
SHA1 hash:
ab800928817a085631f1cf151b397a6d641435d6
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 9586cb34f6fa42b5b89f4457f775731256f1b53ac22aaa3a35aa4ad305f632a7

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments