MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b8466213cfa2d7f120183906a80aea5a5212c2da8c2ae9e2611cfb236b26817. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: 6b8466213cfa2d7f120183906a80aea5a5212c2da8c2ae9e2611cfb236b26817
SHA3-384 hash: 66ec3feba04fc6cd2d2146413ef8a9a1b1ef4f10080b8456638c64cc4b43c0c86ac09df65c4b7b229a48d96e9957bedf
SHA1 hash: cbb9a1f54032ac66bb93d8c07c7290d250b00f9d
MD5 hash: 770b31998c6a8d04319c6a56514c6551
humanhash: eighteen-triple-three-pluto
File name:PO-158202201.exe
Download: download sample
Signature Formbook
File size:700'928 bytes
First seen:2022-05-23 07:07:15 UTC
Last seen:2022-05-23 07:40:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:NF3+C74cCmWNRmKhrCvSKQ47pKtjhltkv7fX:NVf1WNRmsBU7pKPltkzX
TLSH T109E48D26766CBF55F07FC7B9A000945063F1E81FF722E919BEE319EA0DA4F408356A25
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 GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO-158202201.exe
Verdict:
Malicious activity
Analysis date:
2022-05-23 07:15:10 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
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
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
Antivirus detection for URL or domain
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
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 632080 Sample: PO-158202201.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 33 www.mrussellhandyman.com 2->33 35 www.cateraevents.com 2->35 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 6 other signatures 2->49 11 PO-158202201.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\PO-158202201.exe.log, ASCII 11->31 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 PO-158202201.exe 11->15         started        18 PO-158202201.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected process9 dnsIp10 37 www.bhealthybu.com 35.208.96.223, 49775, 80 GOOGLE-2US United States 20->37 39 www.yukselercanmedyagrup.online 20->39 41 2 other IPs or domains 20->41 51 System process connects to network (likely due to code injection or exploit) 20->51 24 mstsc.exe 20->24         started        signatures11 process12 signatures13 53 Self deletion via cmd delete 24->53 55 Modifies the context of a thread in another process (thread injection) 24->55 57 Maps a DLL or memory area into another process 24->57 59 Tries to detect virtualization through RDTSC time measurements 24->59 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-05-18 02:18:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
27 of 41 (65.85%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:formbook family:xloader campaign:ssmm loader persistence rat spyware stealer suricata 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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Deletes itself
Reads user/profile data of web browsers
Adds policy Run key to start application
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
79912bac7b28b9ccec1874592e3388a21b563c19ee8fc0e16cbd6f0542711367
MD5 hash:
763e748c3075365f334d02116e21e760
SHA1 hash:
37f27e7aea8699ca485e8feac8101a9b6ebb064d
SH256 hash:
6b8466213cfa2d7f120183906a80aea5a5212c2da8c2ae9e2611cfb236b26817
MD5 hash:
770b31998c6a8d04319c6a56514c6551
SHA1 hash:
cbb9a1f54032ac66bb93d8c07c7290d250b00f9d
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.

Malspam

Formbook

Executable exe 6b8466213cfa2d7f120183906a80aea5a5212c2da8c2ae9e2611cfb236b26817

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments