MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f848813ffd4452d2d30f13ee0d5099c450116f4c8d1ae687f92f3bd4ddb7f285. 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 8 File information Comments

SHA256 hash: f848813ffd4452d2d30f13ee0d5099c450116f4c8d1ae687f92f3bd4ddb7f285
SHA3-384 hash: ef759128cb2bbcd65f0b5d7141ca9bc07461d8245fb3c8c85e8ae7138e4d573ea980f1cdcb60c80ba23b55451ea05a78
SHA1 hash: 7d0bccba0f6d293607a657c3b5245ccc5e4c140b
MD5 hash: 3c84f262a7aaf05f713b30c46c06a0af
humanhash: earth-carolina-mountain-ceiling
File name:Ii1T5F8zp6ybTo2.exe
Download: download sample
Signature Formbook
File size:946'176 bytes
First seen:2023-02-08 20:22:02 UTC
Last seen:2023-02-08 21:30:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:h2WlV/DfrpsmzA1QAn1vceJ4E68Vy4s78RPc4sD0roNX1vPP4M/Qe0iIi:VlpDTpFA2An1T1k4sgRfHE5PwMYeP
TLSH T10F15DF162395DE02D0A543B949B2DBD01773AC36E1A1EED86CC67CCE0A35B217907BDB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon ecf0c68ac2c298f2 (60 x SnakeKeylogger, 14 x Formbook, 6 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Ii1T5F8zp6ybTo2.exe
Verdict:
Malicious activity
Analysis date:
2023-02-08 20:24:52 UTC
Tags:
formbook xloader

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

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
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 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: 802007 Sample: Ii1T5F8zp6ybTo2.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for URL or domain 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 4 other signatures 2->37 8 Ii1T5F8zp6ybTo2.exe 3 2->8         started        process3 file4 25 C:\Users\user\...\Ii1T5F8zp6ybTo2.exe.log, ASCII 8->25 dropped 11 Ii1T5F8zp6ybTo2.exe 8->11         started        14 Ii1T5F8zp6ybTo2.exe 8->14         started        16 Ii1T5F8zp6ybTo2.exe 8->16         started        process5 signatures6 49 Modifies the context of a thread in another process (thread injection) 11->49 51 Maps a DLL or memory area into another process 11->51 53 Sample uses process hollowing technique 11->53 55 Queues an APC in another process (thread injection) 11->55 18 explorer.exe 3 1 11->18 injected process7 dnsIp8 27 www.lgcypowernc.com 74.220.199.6, 49722, 80 UNIFIEDLAYER-AS-1US United States 18->27 29 www.berylsecret.shop 188.114.97.3, 49724, 49725, 49726 CLOUDFLARENETUS European Union 18->29 39 System process connects to network (likely due to code injection or exploit) 18->39 22 colorcpl.exe 13 18->22         started        signatures9 process10 signatures11 41 Tries to steal Mail credentials (via file / registry access) 22->41 43 Tries to harvest and steal browser information (history, passwords, etc) 22->43 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-02-08 16:31:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:g44n loader rat spyware stealer trojan
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
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Xloader
Unpacked files
SH256 hash:
e7242ae1cd799ea3200b7705221fdddd8abf588e87215a28057e02135bf547ad
MD5 hash:
6b1c0c833df93681eafdcf57072e8075
SHA1 hash:
5081196e5fd1e90c7564ce07096baf4668bbc3fc
Detections:
XLoader win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
59bcd4203167ab824809004c0f4030f58acbd7c4f382b6e2d5f0c5695a71e170
MD5 hash:
3820d6b49c5470a173913d3933e38cff
SHA1 hash:
563a66c1ccd79d751de8b717f050300bdbf776db
SH256 hash:
8cf1f6ca83b15c1b73e363fc241d737381204427b03248c1ecc7b9a6a133bfe3
MD5 hash:
c4762ccdcdd14997029ab71483007133
SHA1 hash:
a86d48e55494029c512edf7f1b11fbccc3ace567
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
SH256 hash:
975eda9ebcf82bd66f7bd835844427e4b4ea85c040a8e7d0418780869efbff54
MD5 hash:
34aaca3dab5520a2843a8b7b0f24881c
SHA1 hash:
64c44545e3441db678acf840335eaa3309c595b3
SH256 hash:
8617cea503c2a3961120a9c503d853bc21d38d1fca7143d6b1ef4f388bc5cec7
MD5 hash:
7f225c69df031bf0560aed3847a1221a
SHA1 hash:
4d5f3ccdb2c6015d2b2a73326c0f32b173af2819
SH256 hash:
f848813ffd4452d2d30f13ee0d5099c450116f4c8d1ae687f92f3bd4ddb7f285
MD5 hash:
3c84f262a7aaf05f713b30c46c06a0af
SHA1 hash:
7d0bccba0f6d293607a657c3b5245ccc5e4c140b
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:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

  
Delivery method
Other

Comments