MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0fb5dfefc02f70b63a1421dc68ef14470cebc829b3e2b8a80f1841a7cb15a6d. 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 1

SHA256 hash: b0fb5dfefc02f70b63a1421dc68ef14470cebc829b3e2b8a80f1841a7cb15a6d
SHA3-384 hash: 2c1bd601be5057f177ec288ef9800d083b8c0edb24e57c2e9dc19589fe79a088e60e11de9dfcb279f70a5735d7fa759e
SHA1 hash: a3ae3dc96cd4f972fbe8c400870c82db68cb278e
MD5 hash: e3657b30c64699c6c64f743652d3baeb
humanhash: vegan-hydrogen-mars-beryllium
File name:e3657b30c64699c6c64f743652d3baeb
Download: download sample
Signature Formbook
File size:962'560 bytes
First seen:2022-09-14 13:05:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:mRVVxkRqST6ZdTqw6IXaztzLnh7xVVE7wk7arhtAoLXYGUpc:mxiRNmLTqMXonh9VVE7ob/
TLSH T1EC251B0721C549A5C17250BC24CCC5B74B6ADE45E63BC946BFC9BDAFF1B2F2846D22A0
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 71d4f0f0f0f0d0f2 (11 x Formbook, 6 x AgentTesla, 5 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
formbook packed powershell
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
C2 URLs / IPs found in malware configuration
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-12 18:55:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 39 (53.85%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:os56 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
SH256 hash:
6a156c4305d6fd3b28e0315fcfd12aeeb895a96f13d8552e55e5144d007952e6
MD5 hash:
390acbed480935638ea8f954b053fd6c
SHA1 hash:
7afe772fc72a987b01a53957943b14e53d7911ad
SH256 hash:
468fc0500d42d5563e751b8a6289735aaffd9ac76970f5467906e47e6d3f97cc
MD5 hash:
db8a4054c6b34e9fe8f3ce4c521d94b4
SHA1 hash:
3e5ab6594edcf0c97f91e9f0a2fd303237337709
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
b0fb5dfefc02f70b63a1421dc68ef14470cebc829b3e2b8a80f1841a7cb15a6d
MD5 hash:
e3657b30c64699c6c64f743652d3baeb
SHA1 hash:
a3ae3dc96cd4f972fbe8c400870c82db68cb278e
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.

Web download

Formbook

Executable exe b0fb5dfefc02f70b63a1421dc68ef14470cebc829b3e2b8a80f1841a7cb15a6d

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-09-14 13:06:02 UTC

url : hxxp://208.67.105.179/owenzx.exe