MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 434837e7ca89c0c7a55c3b1611dbc172440b8808e938e3a192f65405dd9cafa3. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 434837e7ca89c0c7a55c3b1611dbc172440b8808e938e3a192f65405dd9cafa3
SHA3-384 hash: 97f939732dc20c1b3badb36ce8653a3af91af43b0f5342240f82574897f932722f957c72b88b3e97a56da805398bfd18
SHA1 hash: fd966d4f9c61af7d5d2e63576bdd4e29a21b9a65
MD5 hash: 17f42ede6bbc67a112d7fcd2c55b5af5
humanhash: november-pasta-helium-leopard
File name:triage_dropped_file
Download: download sample
Signature Formbook
File size:2'610'688 bytes
First seen:2021-08-26 12:27:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:uEI6cUqBeQNQNQEQJQEQJQpQEQJQNQNQEQyQ1QYQiWQNQVMd:uJ6cUqBeccnWnWsnWccnFifQiWcMs
Threatray 7'424 similar samples on MalwareBazaar
TLSH T14BC54B983250B59EC463CF35C9655CB4EA213C669B1BC20B64173ADEA93DB93DF102B3
dhash icon cc8e2969268e8cc4 (2 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
322
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 472362 Sample: triage_dropped_file Startdate: 26/08/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 10 triage_dropped_file.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 10->30 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 triage_dropped_file.exe 10->14         started        17 triage_dropped_file.exe 10->17         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 32 benimofis.com 188.132.176.4, 49732, 80 PREMIERDC-VERI-MERKEZI-ANONIM-SIRKETIPREMIERDC-SHTR Turkey 19->32 34 odysseysailingsantorini.com 94.130.13.67, 49733, 80 HETZNER-ASDE Germany 19->34 36 3 other IPs or domains 19->36 46 System process connects to network (likely due to code injection or exploit) 19->46 23 wscript.exe 19->23         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 23->48 50 Maps a DLL or memory area into another process 23->50 52 Tries to detect virtualization through RDTSC time measurements 23->52 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
Win32.Spyware.Noon
Status:
Malicious
First seen:
2021-08-26 12:28:32 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cmsr rat spyware stealer trojan
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.odysseysailingsantorini.com/cmsr/
Unpacked files
SH256 hash:
01a38699b9233d3820076fc48b4c51fc2b05ffe267e0e8d35d49c46807bf4ce2
MD5 hash:
1ec6d90667c4b8276f3b0d9a256eb2a5
SHA1 hash:
b03444c137cedde1028f883dcafc29bfea992ac7
SH256 hash:
434837e7ca89c0c7a55c3b1611dbc172440b8808e938e3a192f65405dd9cafa3
MD5 hash:
17f42ede6bbc67a112d7fcd2c55b5af5
SHA1 hash:
fd966d4f9c61af7d5d2e63576bdd4e29a21b9a65
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