MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4bef0754be1d8e60471746bb06004a86ab38cb0ffb281973fd45f81b610307e. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: f4bef0754be1d8e60471746bb06004a86ab38cb0ffb281973fd45f81b610307e
SHA3-384 hash: 544f4aa5b9a61d36e88f25d1465c98a70d381e2acbd9f9c74afaac1210070c8348600d5dc41aebd3d2036143a25fb5a9
SHA1 hash: a71f5634c9f3164ff4194404f6061aad99f65b33
MD5 hash: d4df7c7729c9b31d1ed3c404d88e5d4d
humanhash: hawaii-black-sad-texas
File name:pz XMNESAN1322001JEA DN 005438.pdf.exe
Download: download sample
Signature Formbook
File size:649'728 bytes
First seen:2022-03-30 11:30:53 UTC
Last seen:2022-03-30 13:40:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:JTZ8hFFlY8nuVnKkIfJTevuaSTF8Algq9kugIj+1xR:J98/Dnzk4JTkuaevL97lqP
Threatray 14'530 similar samples on MalwareBazaar
TLSH T1F6D4F119FAA2DD26DD481773C4E1D4780332BF526173D72F39E23E6B39973A24A40629
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe greyware obfuscated packed replace.exe
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
Behaviour
Behavior Graph:
n/a
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Status:
Malicious
First seen:
2022-03-30 11:31:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:n8bs loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Blocklisted process makes network request
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f4bef0754be1d8e60471746bb06004a86ab38cb0ffb281973fd45f81b610307e
MD5 hash:
d4df7c7729c9b31d1ed3c404d88e5d4d
SHA1 hash:
a71f5634c9f3164ff4194404f6061aad99f65b33
Malware family:
XLoader
Verdict:
Malicious
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 f4bef0754be1d8e60471746bb06004a86ab38cb0ffb281973fd45f81b610307e

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments