MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ba240529791fea8319f1ac0779d58b0bdfc7c9d83abca2936e3637f77a3da3a. 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: 20


Intelligence 20 IOCs YARA File information Comments

SHA256 hash: 2ba240529791fea8319f1ac0779d58b0bdfc7c9d83abca2936e3637f77a3da3a
SHA3-384 hash: b9c47596c044cc4fdc906546af58852de5654b45920f586fa433463e714962229c1bc47ac90163871e50504d966ebe2f
SHA1 hash: c349bb0f328ada0a3324ff01d4159aac2c591017
MD5 hash: 08e03e1ac072ae4e33b1483cd77621e8
humanhash: snake-lamp-johnny-yellow
File name:RFQ403065852.scr
Download: download sample
Signature Formbook
File size:687'112 bytes
First seen:2024-09-10 05:45:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:1A1tMlqW2L+IRadx/4fqYS8R6FBREVrRFi49hkR:1GtMGL+IRm/YqY1R6LiJry
TLSH T125E412A5B218E543EBE847B41572DAB1177E7F4EF820D3CA4EEC9CDB34807804919A5B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon c80e173333170ec8 (7 x Formbook, 4 x AgentTesla, 1 x MassLogger)
Reporter threatcat_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
457
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
RFQ403065852.scr
Verdict:
Malicious activity
Analysis date:
2024-09-10 05:47:47 UTC
Tags:
formbook xloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
Encryption Execution Static Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade overlay packed phishing
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:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to resolve many domain names, but no domain seems valid
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1508440 Sample: RFQ403065852.scr.exe Startdate: 10/09/2024 Architecture: WINDOWS Score: 100 37 www.otaislifexd.xyz 2->37 39 www.ormswarm.xyz 2->39 41 9 other IPs or domains 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 51 10 other signatures 2->51 11 RFQ403065852.scr.exe 4 2->11         started        signatures3 49 Performs DNS queries to domains with low reputation 39->49 process4 file5 35 C:\Users\user\...\RFQ403065852.scr.exe.log, ASCII 11->35 dropped 53 Writes to foreign memory regions 11->53 55 Allocates memory in foreign processes 11->55 57 Adds a directory exclusion to Windows Defender 11->57 59 Injects a PE file into a foreign processes 11->59 15 RegSvcs.exe 11->15         started        18 powershell.exe 23 11->18         started        20 RegSvcs.exe 11->20         started        signatures6 process7 signatures8 69 Modifies the context of a thread in another process (thread injection) 15->69 71 Maps a DLL or memory area into another process 15->71 73 Sample uses process hollowing technique 15->73 79 2 other signatures 15->79 22 explorer.exe 90 1 15->22 injected 75 Loading BitLocker PowerShell Module 18->75 24 WmiPrvSE.exe 18->24         started        26 conhost.exe 18->26         started        77 Tries to detect virtualization through RDTSC time measurements 20->77 process9 process10 28 colorcpl.exe 22->28         started        signatures11 61 Modifies the context of a thread in another process (thread injection) 28->61 63 Maps a DLL or memory area into another process 28->63 65 Tries to detect virtualization through RDTSC time measurements 28->65 67 Switches to a custom stack to bypass stack traces 28->67 31 cmd.exe 1 28->31         started        process12 process13 33 conhost.exe 31->33         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-09-10 04:38:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:m49z discovery execution rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Formbook payload
Formbook
Unpacked files
SH256 hash:
6c8329c066c06a71a7ced69f377bf99f34d9dbe3b8c2815986fdae6cdc3ccb96
MD5 hash:
9cecf59a5cc68135a61d7257ea06b756
SHA1 hash:
7298039882bd217fdaefb0374e2c2892603ee092
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
SH256 hash:
2ba240529791fea8319f1ac0779d58b0bdfc7c9d83abca2936e3637f77a3da3a
MD5 hash:
08e03e1ac072ae4e33b1483cd77621e8
SHA1 hash:
c349bb0f328ada0a3324ff01d4159aac2c591017
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 2ba240529791fea8319f1ac0779d58b0bdfc7c9d83abca2936e3637f77a3da3a

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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