MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e559533511ab623c9f7a7b15990f32240d17796a901cd19f37ef2c93e5f7374. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments

SHA256 hash: 2e559533511ab623c9f7a7b15990f32240d17796a901cd19f37ef2c93e5f7374
SHA3-384 hash: a0c5a2ea4b3b939af720b575d618f5e68df2f7c595110fe95897a30abdeedf765e2497e186fd37652add2caa25a7674b
SHA1 hash: 2a7b2ef9b97032d3cdfb235b55da3325b484ae3e
MD5 hash: c6122e61d7e063bf8f4f4a033f04bea9
humanhash: alaska-december-aspen-spaghetti
File name:file
Download: download sample
Signature Formbook
File size:359'651 bytes
First seen:2023-02-01 12:55:07 UTC
Last seen:2023-08-25 17:32:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:jYa6WI4jfpH60bhz6LLh7uLqzLUkOo8KdOElrtVWqCc8yl:jYx47B3zgt/nv1rtM48yl
TLSH T16174E0C5F95094A5EC2D5331193ACD716A037C3D94702A1D3BCE3EBB3EBB492942A993
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d4c4c4d8ccd4f0c4 (63 x Formbook, 23 x AgentTesla, 8 x RemcosRAT)
Reporter jstrosch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
178
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-01 12:57:08 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook shell32.dll
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
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795949 Sample: file.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->40 42 3 other signatures 2->42 9 file.exe 19 2->9         started        process3 file4 26 C:\Users\user\AppData\Local\...\bwrdbhg.exe, PE32 9->26 dropped 12 bwrdbhg.exe 9->12         started        process5 signatures6 54 Multi AV Scanner detection for dropped file 12->54 56 Detected unpacking (changes PE section rights) 12->56 58 Maps a DLL or memory area into another process 12->58 15 bwrdbhg.exe 12->15         started        process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 18 explorer.exe 2 6 15->18 injected process9 dnsIp10 28 adalexs.com 66.112.211.168, 49730, 49732, 80 IT7NETCA Canada 18->28 30 www.dongshi88.com 211.149.132.144, 80 CHINANET-SCIDC-AS-APCHINANETSiChuanTelecomInternetData China 18->30 32 8 other IPs or domains 18->32 44 System process connects to network (likely due to code injection or exploit) 18->44 22 msdt.exe 13 18->22         started        signatures11 process12 dnsIp13 34 www.dongshi88.com 22->34 46 Tries to steal Mail credentials (via file / registry access) 22->46 48 Tries to harvest and steal browser information (history, passwords, etc) 22->48 50 Modifies the context of a thread in another process (thread injection) 22->50 52 Maps a DLL or memory area into another process 22->52 signatures14
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2023-02-01 07:19:28 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
02c9d2b95f8fc7a12ab007cf58043f8043d1f66417057a5a042b4beaca4eb15c
MD5 hash:
bf58d71a0b229734b3410f9ceca0b5bf
SHA1 hash:
16d5be5d832fa7d0bd2661c5790177e9cc3b086f
SH256 hash:
2e559533511ab623c9f7a7b15990f32240d17796a901cd19f37ef2c93e5f7374
MD5 hash:
c6122e61d7e063bf8f4f4a033f04bea9
SHA1 hash:
2a7b2ef9b97032d3cdfb235b55da3325b484ae3e
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 2e559533511ab623c9f7a7b15990f32240d17796a901cd19f37ef2c93e5f7374

(this sample)

  
Delivery method
Distributed via web download

Comments