MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00468491177bab4d715685cc174538ff0a3c15cdf0b679c7d163b89e3b8d2421. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: 00468491177bab4d715685cc174538ff0a3c15cdf0b679c7d163b89e3b8d2421
SHA3-384 hash: eb335028859119a73540d0dccaaf0e5dc53dcdcc785547d8e01cc8d7cb5261b9b68697aab286e5673c3c9f738e39bdbe
SHA1 hash: a3aff540f8c1af33ea7a215e303bdbe0a131c7c6
MD5 hash: 9bb6e1be7a871997359c19c8559cabf3
humanhash: tango-xray-black-coffee
File name:SR20220600525003,pdf.exe
Download: download sample
Signature Formbook
File size:242'120 bytes
First seen:2022-06-14 10:02:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:2Ogssd9vk1zuKe/UaFGXfb4YWY4WuZtFofcA:Xsd9vjKn4Gv094ItAc
TLSH T1E9341209A7E8EC02C469AF3525C48A905E34E76CBE93CB9F7496C07E1FD33937A81585
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
256
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SR20220600525003,pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-06-14 10:03:48 UTC
Tags:
formbook trojan stealer

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

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Searching for synchronization primitives
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay 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:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 645255 Sample: SR20220600525003,pdf.exe Startdate: 14/06/2022 Architecture: WINDOWS Score: 100 31 www.dacdem.com 2->31 33 www.momentums6.com 2->33 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 5 other signatures 2->47 11 SR20220600525003,pdf.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\...\SR20220600525003,pdf.exe.log, ASCII 11->29 dropped 59 Writes to foreign memory regions 11->59 61 Allocates memory in foreign processes 11->61 63 Injects a PE file into a foreign processes 11->63 65 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->65 15 cvtres.exe 11->15         started        signatures6 process7 signatures8 67 Modifies the context of a thread in another process (thread injection) 15->67 69 Maps a DLL or memory area into another process 15->69 71 Sample uses process hollowing technique 15->71 73 2 other signatures 15->73 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.peacockgotv.com 81.17.29.146, 49734, 80 PLI-ASCH Switzerland 18->35 37 www.stilghar.com 107.149.171.102, 49735, 80 PEGTECHINCUS United States 18->37 39 9 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 51 Uses netsh to modify the Windows network and firewall settings 18->51 22 netsh.exe 18->22         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-14 07:20:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:tn61 loader persistence rat spyware stealer suricata trojan
Behaviour
Gathers network information
Modifies Internet Explorer settings
Modifies registry class
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
c255e016dab3d29f31f8ab97b4a51e424267fd456a7a7b1fad5610b4c2b97fc0
MD5 hash:
dc42037bc83489ba6ac2513a184590c3
SHA1 hash:
26e3e9e7a3d125b7c9926a11ffcf61b8f4d5f405
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a811f9ec58d478b6b092bee10ab1fe5083a743d13f81310542efbefac798d862
MD5 hash:
57b98fbe457b2ec1807c12b0bfb734cc
SHA1 hash:
99c20cf8ad8e7fc491211b3bcd2e0cb2c5c33daf
SH256 hash:
00468491177bab4d715685cc174538ff0a3c15cdf0b679c7d163b89e3b8d2421
MD5 hash:
9bb6e1be7a871997359c19c8559cabf3
SHA1 hash:
a3aff540f8c1af33ea7a215e303bdbe0a131c7c6
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:malware_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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: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.

Malspam

Formbook

Executable exe 00468491177bab4d715685cc174538ff0a3c15cdf0b679c7d163b89e3b8d2421

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment

Comments