MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c59fb552a4c2580944ae5b2e5a0a85cfcc5702a1f03d9a22ea22baa6d8777cc9. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: c59fb552a4c2580944ae5b2e5a0a85cfcc5702a1f03d9a22ea22baa6d8777cc9
SHA3-384 hash: ba16090999d65e6abff5a5bcf84c1fc5fdcf4c9d0b34d1b25ec840f08ce24de30f02fe4e7d5da081c9a72978fd3f78c2
SHA1 hash: 331a328767ca2be5252e9038f424661ca0124dc7
MD5 hash: f0ffb9955510ef4995ff4670361276bc
humanhash: mike-maryland-fourteen-solar
File name:SecuriteInfo.com.Variant.Bulz.712190.17975.32066
Download: download sample
Signature Formbook
File size:521'216 bytes
First seen:2021-09-14 03:04:35 UTC
Last seen:2021-09-14 04:23:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:cak4DbF53e0IUFLFonc4U0eoWaoH7XqrgaZYIVZGkwOBd7NqNUQr:3ZQc4U0eoWaS6v1ZtNZQr
Threatray 9'222 similar samples on MalwareBazaar
TLSH T172B4AE203DFA6119F173AFB95EE4B5868A6FB6733A12E45D1441038A0723B81DDD1B3B
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
3
# of downloads :
170
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Bulz.712190.17975.32066
Verdict:
Malicious activity
Analysis date:
2021-09-14 03:07:30 UTC
Tags:
n/a

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
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-09-14 03:05:07 UTC
AV detection:
14 of 43 (32.56%)
Threat level:
  2/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:if60 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.boddy-posture.com/if60/
Unpacked files
SH256 hash:
219a9f9cb35ab9001b4358ba4489256a22e5579470c412aa15d58bba4e516bcc
MD5 hash:
503e4508c028bd60c0a4d82e10a9b455
SHA1 hash:
fb7aaaa5a5dd569ecaf58c0f50320275453875fd
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
a2d10d3cacd717b6cd521f368a94b3c77b804706953b8bca58cb6991e269b89e
MD5 hash:
63977079418c6c7df3aa311673944cbf
SHA1 hash:
64f4afeff76fd77f4fa823a9dc5bd854a7185bb8
SH256 hash:
fa630f42a983b1d6af3839582fa7b58753aa45206e8a2924c9782d0e9c2c8e83
MD5 hash:
920d95fcf459632391c0755f0559f918
SHA1 hash:
df4de451a9cc2add9075bae39adc444291986da5
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
SH256 hash:
c59fb552a4c2580944ae5b2e5a0a85cfcc5702a1f03d9a22ea22baa6d8777cc9
MD5 hash:
f0ffb9955510ef4995ff4670361276bc
SHA1 hash:
331a328767ca2be5252e9038f424661ca0124dc7
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