MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 721d53e22cb1e78b45457e525184637a5b3dde940689dbc25d7489b24d88c325. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 721d53e22cb1e78b45457e525184637a5b3dde940689dbc25d7489b24d88c325
SHA3-384 hash: 332664cd5b097744a6eb46d161a57530d8e8ffa8c77a6e3d66da58727c1b6fbbbd8bc28b157ff0749357d243036f924b
SHA1 hash: b24a623106572059064277e56a8d35445e1054d9
MD5 hash: dab5724b3a5e4213395c72d8eea2021e
humanhash: dakota-timing-robert-delaware
File name:SecuriteInfo.com.W32.AIDetectNet.01.21334.18761
Download: download sample
Signature FormBook
File size:671'744 bytes
First seen:2022-06-22 15:56:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:8/ZMzJWXHETXXZATQAkWYwMSBoFkZo7M3ZQqezFTIt9D0T/Uotku:8uJWETXHpWroFkZo7sNehTIt9Gttk
Threatray 14'953 similar samples on MalwareBazaar
TLSH T1C3E4F162F7E91B99C16253F42C21D4142277FB6A586CDA0C38BA74CE5073BC2D1A2F97
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.3% (.SCR) Windows screen saver (13101/52/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
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.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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-22 14:00:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:as47 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
cdb411851bffa1d2d3498a3e3268b3eafedb1f33ec67440e57a638f112aa88de
MD5 hash:
7842122579e8469153ba7f44235b8b06
SHA1 hash:
cf67c05c43704f398b06f06e941c970b34433809
SH256 hash:
c3d744e2e7a6b715fefa6bc3cd3e6055089cb4056ccf6636f8ec9c2b622687c5
MD5 hash:
340a147eabc413f8aac45c4200ed967b
SHA1 hash:
7f4dfdba45d167ea2d73f50c51983dfb7fe8e012
SH256 hash:
880c9ff80de33cde042ab26d75677dab18fdc7695908d615c44efa8b5d8e088a
MD5 hash:
07e1e5baea35d75e784cce3b991a5fdc
SHA1 hash:
2f5cd9ad4acec13ddb49f9d69093f9fe475342c2
SH256 hash:
721d53e22cb1e78b45457e525184637a5b3dde940689dbc25d7489b24d88c325
MD5 hash:
dab5724b3a5e4213395c72d8eea2021e
SHA1 hash:
b24a623106572059064277e56a8d35445e1054d9
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.

Comments