MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10b7ffb30ef8d6971709109589ef37447c69a104f1fec5fe98c052b0470d6272. 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: 10b7ffb30ef8d6971709109589ef37447c69a104f1fec5fe98c052b0470d6272
SHA3-384 hash: f7077725a0716521ce68226146f0c4ea57d5cde3b5ded883afde7f32bf7fe1df8d462125c67b4b70ebb6e1de9cf7416d
SHA1 hash: ff119b86f6e605967a07f8132cb9b3bab8b30050
MD5 hash: 254ca98b210017554d888017f5a46cef
humanhash: helium-missouri-mars-timing
File name:MjKb4U1m8jPss6i.exe
Download: download sample
Signature Formbook
File size:425'984 bytes
First seen:2022-03-07 06:11:17 UTC
Last seen:2022-03-07 07:46:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:XCMGRUcZ64pgtmQOUgV0fXoCHJDBoVQHdwz:XJcU8kmP2/oCpDB1dwz
Threatray 14'032 similar samples on MalwareBazaar
TLSH T1E494E048313685EAEA79CB345961660CCFECD276D34EB5BC19C2B4AD40F0F4B4A49D2B
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Reading critical registry keys
Unauthorized injection to a system process
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 method to dynamically call methods (often used by packers)
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-07 00:12:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
24 of 27 (88.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Unpacked files
SH256 hash:
75202a38dd46e5bcdd9963216f0f1f01cf04c544df2f3b7afa457d9b1c0138cc
MD5 hash:
76b83346b2d445441db1870e4021799f
SHA1 hash:
d2a855b9bd6573a927617588098aa50577b9df4c
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
10b7ffb30ef8d6971709109589ef37447c69a104f1fec5fe98c052b0470d6272
MD5 hash:
254ca98b210017554d888017f5a46cef
SHA1 hash:
ff119b86f6e605967a07f8132cb9b3bab8b30050
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 10b7ffb30ef8d6971709109589ef37447c69a104f1fec5fe98c052b0470d6272

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment

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