MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 262d8dd389aad1ef11023ded97da5703e88f1a96c2b0b8a1dbdde5fa7ee04022. 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: 9


Intelligence 9 IOCs YARA File information Comments
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SHA256 hash: 262d8dd389aad1ef11023ded97da5703e88f1a96c2b0b8a1dbdde5fa7ee04022
SHA3-384 hash: 15ba2d578a8eb7f1a7b4d61304746556d3ca5e83518874eba8830736cc831007914c00ac1b4096c302616e08d63a307c
SHA1 hash: 972a1b325cc3abc48a94c90a7b51faea619cfcc9
MD5 hash: dd3f06103f2ac425cf4e5a6dc65d31d6
humanhash: fix-ten-magnesium-uncle
File name:CN03716-2020.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'524'736 bytes
First seen:2020-09-21 15:07:17 UTC
Last seen:2020-09-22 15:47:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:Du1NZfx3LwkwC2uEYY1pSIEiPNMDXiPCxN4ar3DV8bxOpwK:qVfx3LMzYY1EIEiPqzkGz/
Threatray 2'227 similar samples on MalwareBazaar
TLSH 1465DF6B7380FD40D43A05F09C54ABE182762F8C9728D57976E43D2BB1E66EB72903C6
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/471408
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Creates an undocumented autostart registry key
Detected FormBook malware
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 (e.g. based on Emerging Threat rules)
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
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses netstat to query active network connections and open ports
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 288138 Sample: CN03716-2020.exe Startdate: 21/09/2020 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 9 other signatures 2->51 10 CN03716-2020.exe 3 2->10         started        process3 file4 37 C:\Users\user\...\CN03716-2020.exe.log, ASCII 10->37 dropped 63 Tries to detect virtualization through RDTSC time measurements 10->63 65 Injects a PE file into a foreign processes 10->65 14 CN03716-2020.exe 10->14         started        17 CN03716-2020.exe 10->17         started        19 CN03716-2020.exe 10->19         started        signatures5 process6 signatures7 67 Modifies the context of a thread in another process (thread injection) 14->67 69 Maps a DLL or memory area into another process 14->69 71 Sample uses process hollowing technique 14->71 73 Queues an APC in another process (thread injection) 14->73 21 explorer.exe 14->21 injected process8 dnsIp9 39 rootforequality.com 34.102.136.180, 49742, 49743, 49744 GOOGLEUS United States 21->39 41 kardus6.xyz 138.197.209.244, 49731, 80 DIGITALOCEAN-ASNUS United States 21->41 43 3 other IPs or domains 21->43 53 System process connects to network (likely due to code injection or exploit) 21->53 25 NETSTAT.EXE 1 17 21->25         started        signatures10 process11 file12 33 C:\Users\user\AppData\...\0N6logrv.ini, data 25->33 dropped 35 C:\Users\user\AppData\...\0N6logri.ini, data 25->35 dropped 55 Detected FormBook malware 25->55 57 Creates an undocumented autostart registry key 25->57 59 Tries to steal Mail credentials (via file access) 25->59 61 4 other signatures 25->61 29 cmd.exe 1 25->29         started        signatures13 process14 process15 31 conhost.exe 29->31         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/262d8dd389aad1ef11023ded97da5703e88f1a96c2b0b8a1dbdde5fa7ee04022/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-21 09:24:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eywy3u4jvli66eichxwzpwsxapui6guwykylrio33xs7u7xaiara._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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353e4fd91fe618f5c22c9cae00e7575e9b1914576ff7e332d03ca3e9f7dbbbbc
Formbook
426a7d5241a207054d695ea06f8133260c2684c5598420954f0fde91a03fe059
Formbook
704e900ae3d5645795927711e8f35d8b424ffcbbc4535f71346ea0feafebf14a
Formbook
7a42a2ba28ab9ea27b4972e5a8f5c5c066663e3d6427812f0621208bef33ea10
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9b9931b133a5a15ee73de2ffd8b6f2f7b80e834cf4a3cf17f030c479b21abf9b
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a102b644fd134778f28e1105e4645e84ff4d05687351990de90ae27a89f0513b
Formbook
ad8c070c48103dbc11875a052aa0447395f6ddda11e3f9e8aed091f0bb14050d
Formbook
b0ae66cd2296539cdeb9f833ff7ebc3616cda6d8068d1883e27a04c9240d0d3f
Formbook
d732985d24a02a21df8e93598ea0431ae1e9a89a1afcac240e758130517d625e
Formbook
e6ff6d164a876c50bfc4a6f7b6397914f9656d0e4aef1ceba65f1e92ed1b6c69
Formbook
+ 2'217 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200921-ql2wrhxxh6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.shizukis2.com/cmg/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/262d8dd389aad1ef11023ded97da5703e88f1a96c2b0b8a1dbdde5fa7ee04022

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/140/

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