MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f260c938c522ab3b120b8145986a32b76aea1a29e1a93d234517f684f403118c. 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 3 File information Comments

SHA256 hash: f260c938c522ab3b120b8145986a32b76aea1a29e1a93d234517f684f403118c
SHA3-384 hash: f0e29144cf4c9691f4d943781dc2629304de20d91ddc799d10aa9a05a54a1c01e8166dec29c3e5b916c1833ac4e00e4d
SHA1 hash: 519ee03953749c85baeb0a2e29188dfff8dbae39
MD5 hash: 32e52f7fb55b9a66365e83e721c93b74
humanhash: berlin-oxygen-uncle-florida
File name:Btctfp5RnKq9v84.exe
Download: download sample
Signature Formbook
File size:513'536 bytes
First seen:2021-11-23 16:30:05 UTC
Last seen:2021-11-23 18:33:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:m5ZgoRn7YHtU8uySahOHaNPwAHSBdmj92uQhwBkxeiUxBOksdCUPtrDn0OHQ:q7YNkySah4atcBdshZBk8iUPedVtD00
TLSH T1E7B4F13032587392CC6D4B778DE6D0D063776A932A04C65EACC832DD2D22BA75B177A7
Reporter malwarelabnet
Tags:exe FormBook xloader

Intelligence


File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Btctfp5RnKq9v84.exe
Verdict:
Malicious activity
Analysis date:
2021-11-23 16:42:32 UTC
Tags:
trojan formbook stealer

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

Behaviour
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Creating a window
DNS request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Self deletion via cmd delete
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 527388 Sample: Btctfp5RnKq9v84.exe Startdate: 23/11/2021 Architecture: WINDOWS Score: 100 31 www.voilier-romarin.com 2->31 33 www.manfrediimpianti.com 2->33 35 3 other IPs or domains 2->35 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 6 other signatures 2->43 11 Btctfp5RnKq9v84.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\...\Btctfp5RnKq9v84.exe.log, ASCII 11->29 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 Btctfp5RnKq9v84.exe 11->15         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 18 explorer.exe 15->18 injected process9 process10 20 msiexec.exe 18->20         started        signatures11 45 Self deletion via cmd delete 20->45 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49 23 cmd.exe 1 20->23         started        25 explorer.exe 2 156 20->25         started        process12 process13 27 conhost.exe 23->27         started       
Threat name:
ByteCode-MSIL.Trojan.Mardom
Status:
Malicious
First seen:
2021-11-23 12:54:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:qwg3 loader rat suricata
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.nohohon-news.xyz/qwg3/
Unpacked files
SH256 hash:
3053498e1337c11dcdb66e870d27115d7a4ded05a0ae963b6a165aa4b5902c12
MD5 hash:
eaf563b9887617550383fa5ebc560afe
SHA1 hash:
0c696437e665f43509d512e0af14e63137b984ab
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
fe92d08658389745133135c734094fed887ee58dfb64250e2cde7c27c298d3ef
MD5 hash:
72ee4f67fde92eff00770660078a4d42
SHA1 hash:
1e388556e7fe512a21ab68cee85c93abc5042c73
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
f260c938c522ab3b120b8145986a32b76aea1a29e1a93d234517f684f403118c
MD5 hash:
32e52f7fb55b9a66365e83e721c93b74
SHA1 hash:
519ee03953749c85baeb0a2e29188dfff8dbae39
Malware family:
XLoader
Verdict:
Malicious
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: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