MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78fdca14f99e25685ccef65e154f5c747430a955c399adb72d32cd0e364a4780. 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: 78fdca14f99e25685ccef65e154f5c747430a955c399adb72d32cd0e364a4780
SHA3-384 hash: 08cdffb7bd492143c26c2a7d2137b9f3dc414307631344e499d459451ef0908f0225528ed48b74b3bbc64b4edcc203cd
SHA1 hash: becfd50009d0136a77ec833dae0f1edfc29463e5
MD5 hash: 14fab10e9ba88b68697eddae8bd088fd
humanhash: kilo-fix-wisconsin-island
File name:SecuriteInfo.com.Variant.Ursu.713017.15724.22205
Download: download sample
Signature FormBook
File size:494'592 bytes
First seen:2022-06-23 02:41:53 UTC
Last seen:2022-06-23 10:47:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:IfkPRxliW1wrV1f2yKAgXzeb+L6POI1FZO/XUhaKM:IfkPRrhQCX7eOIhGkhG
TLSH T172B4124817FC9B29F5DA9BF914DD63441770FA04B6C4E61AFC9462DDECD03B88A9220B
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) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 02616868e0e4e800 (8 x Formbook, 7 x Loki, 4 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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:
greyware packed
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
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.FormBook
Status:
Malicious
First seen:
2022-06-23 02:08:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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:
3deb05565dec9c846cde385ab348a7d06eb9762d5b857f7735da1711e5c8b26b
MD5 hash:
8f3fe55a15a2db86ee12ad50140ed26d
SHA1 hash:
ffdc61527cffe1cb580d86db9b637ce595bff88e
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
8509c3ffbef9c8088db6ff12851958a83e6a5d3f45683f34add2bdaa6a713f9c
MD5 hash:
518b67d0abee8a27da4a078f5741d2f7
SHA1 hash:
a40a6475d658a8a0557350b4cee00183555808fd
SH256 hash:
87577e6c69af07ba0e6383a2a152b59a39d6b336631ce4baa250bd9f8adce03d
MD5 hash:
9b17d560e68eff0da30f79b3c391c9a3
SHA1 hash:
5ceda263b1ea13401f652c709dd884d58945fe57
SH256 hash:
78fdca14f99e25685ccef65e154f5c747430a955c399adb72d32cd0e364a4780
MD5 hash:
14fab10e9ba88b68697eddae8bd088fd
SHA1 hash:
becfd50009d0136a77ec833dae0f1edfc29463e5
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