MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29bc6870fec4a47b9dc94fc840fb6351e7eb3b11c7225c3c837c6fc188f17dad. 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: 29bc6870fec4a47b9dc94fc840fb6351e7eb3b11c7225c3c837c6fc188f17dad
SHA3-384 hash: 2c9514cec7a0f75e96532978711b62f0b3232d8b9e606fdc0ef4c49671175a8956ca7cb21010c24ad32b198c762c6df0
SHA1 hash: bf0a40bf1eecb04445cd971a3964e45ed3f9f29b
MD5 hash: 448aef8c95415674fc2bed9c8d1315a9
humanhash: item-harry-oklahoma-wisconsin
File name:29bc6870fec4a47b9dc94fc840fb6351e7eb3b11c7225c3c837c6fc188f17dad
Download: download sample
Signature Formbook
File size:1'015'808 bytes
First seen:2022-10-10 12:41:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:/RFGxoABp0p1uGfOewjpQuMK95Q7UKXGtu7QpaSIQdUSEQYcoU2Hyj3xC7z:5Iz0p1uG2tWe5Q7jM4coVyj3y
TLSH T1F925F1371BEA8E47D111767885D1D2FAA7A9DC10E467C2D7ABCA6C1FF096035DB20360
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 adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
196
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
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)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 719899 Sample: lYO3LcN6Dl.exe Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 47 www.usdetmatologypartners.com 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for URL or domain 2->53 55 9 other signatures 2->55 11 lYO3LcN6Dl.exe 3 2->11         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\lYO3LcN6Dl.exe.log, ASCII 11->39 dropped 14 lYO3LcN6Dl.exe 11->14         started        process6 signatures7 71 Modifies the context of a thread in another process (thread injection) 14->71 73 Maps a DLL or memory area into another process 14->73 75 Sample uses process hollowing technique 14->75 77 Queues an APC in another process (thread injection) 14->77 17 explorer.exe 4 6 14->17 injected process8 dnsIp9 41 dyepapajoesachi.com 133.167.8.96, 49702, 80 SAKURA-CSAKURAInternetIncJP Japan 17->41 43 ayakaze-techdesign.com 202.181.97.91, 49700, 49708, 49709 SAKURA-BSAKURAInternetIncJP Japan 17->43 45 19 other IPs or domains 17->45 37 C:\Users\user\AppData\...\chkdsk2dg47bmx.exe, PE32 17->37 dropped 57 System process connects to network (likely due to code injection or exploit) 17->57 59 Benign windows process drops PE files 17->59 22 rundll32.exe 1 13 17->22         started        25 chkdsk2dg47bmx.exe 3 17->25         started        27 chkdsk2dg47bmx.exe 2 17->27         started        file10 signatures11 process12 signatures13 61 Tries to steal Mail credentials (via file / registry access) 22->61 63 Creates autostart registry keys with suspicious names 22->63 65 Tries to harvest and steal browser information (history, passwords, etc) 22->65 69 2 other signatures 22->69 29 cmd.exe 1 22->29         started        67 Injects a PE file into a foreign processes 25->67 31 chkdsk2dg47bmx.exe 25->31         started        33 chkdsk2dg47bmx.exe 27->33         started        process14 process15 35 conhost.exe 29->35         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-26 14:07:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r62p rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f645a54f62d26e5d1ee9a01f5c844513b7e19a8f46e81a4048b8c63a59808e98
MD5 hash:
69f910ae4faa2bbd411741a0bf1614fb
SHA1 hash:
db8de0386c2d343accca34dd43ad89f860840934
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
SH256 hash:
96c7e3768d7044ac0697fb34b17b59885a0ee40679e97e69d9c59682ed3a83e0
MD5 hash:
ff35c8ba3fd29b91964509d7f1785b3c
SHA1 hash:
1478ab30e99f7699b216eed5eefe5f99d01a33e4
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
29bc6870fec4a47b9dc94fc840fb6351e7eb3b11c7225c3c837c6fc188f17dad
MD5 hash:
448aef8c95415674fc2bed9c8d1315a9
SHA1 hash:
bf0a40bf1eecb04445cd971a3964e45ed3f9f29b
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