MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4105a93f35bd93ab92bd6a614e876cc5d80b91558119a6ed8674698938ba0212. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 4105a93f35bd93ab92bd6a614e876cc5d80b91558119a6ed8674698938ba0212
SHA3-384 hash: 6a4fca4a50990afd86103dd2d670ef7f496fdec254796225c57c5bebe2e5eb9406540a5d8ef5d46a40eccee0fef6dcfb
SHA1 hash: 5cb5e18966d897a54107f84e7f3476fa9b047892
MD5 hash: 54171d54525124c7f20e331778ac6dad
humanhash: illinois-fillet-shade-magnesium
File name:SecuriteInfo.com.W32.AIDetectNet.01.116.27779
Download: download sample
Signature Formbook
File size:869'376 bytes
First seen:2022-07-05 17:43:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:EyBePSVM+qOWdIugLR9gF08NwK4s0JYhXiz4nNcIdXg7/NbeT6Pvd7LheDlt:EyBZZrW6/9gFVe1nahXizS1dE/NmAJ
TLSH T10C052303DEEE2132C6F427FCA851BF159BA79B854816FB8E4644A9014493BD1C0B77BB
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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:
96 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-05 17:44:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
701657ad9f01b314102cf0d5d45cd8fed27668392fe6a79976fdcf306d4b8b11
MD5 hash:
de0331c93a02b883836e971e52a400ba
SHA1 hash:
56c6f9903042b37881f08f3f42cf290e7c4e8b44
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
8531338fdd713319977afd8fa8fa277b16c5fde5e08f147081c077f2b523525f
MD5 hash:
dca099c8c223672473731b495abcf282
SHA1 hash:
90000bca6ac220965f0e9f6b27f0d23ff5ed39a0
SH256 hash:
70bb4f8aa7d0a33f8206f78c845fa2bd686c2a0f2b3bd50cd0b6b887a45398ca
MD5 hash:
30d61a3a3e26c2bca2eb766990132d7c
SHA1 hash:
94f9742d5f21b13f7d8d194fe938193cbb6a0d4d
SH256 hash:
3b59fe180dd50e3f3d4fdcbdd4e7a2d4e3e1c85ae43cb4f3716c4be41e9ec2ae
MD5 hash:
9ea556e333e216a65aa09c102f36004f
SHA1 hash:
814c07f1dc68bd61840384aac3aa8346d9f8148f
SH256 hash:
fc5f60cf503615023f8bf9db0b84b16349d51eb67e536ba8b99217255002dd6f
MD5 hash:
68acb1ffb4315a822b96a8ed6d976a6f
SHA1 hash:
2b72d4c00ccb65c2cd468e561ada576666404d01
SH256 hash:
4105a93f35bd93ab92bd6a614e876cc5d80b91558119a6ed8674698938ba0212
MD5 hash:
54171d54525124c7f20e331778ac6dad
SHA1 hash:
5cb5e18966d897a54107f84e7f3476fa9b047892
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