MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c58f0824b5c50b5988d4aa44635c1027209920bd8ab9baa6be6bd75997fc86bd. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c58f0824b5c50b5988d4aa44635c1027209920bd8ab9baa6be6bd75997fc86bd
SHA3-384 hash: e6934a7369f25a8bba3942db4a337cd9aac03f884cf49a5b135a5860f430f3b9787d388ca3908ffbeccb3b38188d560b
SHA1 hash: 877cb54d70706be56e60861feb8495f03d366d28
MD5 hash: f2f55c9afab327f58da6bab4e8425454
humanhash: fillet-robert-asparagus-asparagus
File name:Dco-003.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:569'856 bytes
First seen:2020-06-16 05:45:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:GjGvWdjhTH5cBaoEnOOukhujoO+C8E47Zf5:p4jhTH6IoEnOzqcoR7Zf5
Threatray 496 similar samples on MalwareBazaar
TLSH BEC4CF007742EA75D1350E37C5757620A331AD1BEC86DB2B669872336DB67C29FC2A83
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10619/
Detection(s):
Win.Malware.Fareit-7344121-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-16 05:47:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ywhqqjfvyufvtcguvjcggxaqe4qjsif5rk43vjv6nplvtf74q26q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
147e0bd6d82f2f3d9b402dec62020c117350407cf2871dd73a14a137ae647fd5
FormBook
2ba2967a4d170914094d511861a98d9be4f39aa45f5bed35e7d04013508f19fe
FormBook
2fa1eb179872a0c83b944f67d300e1ee6afbe4c31afa3eb687eafaa1e8571e71
FormBook
30e4e4dae89b18d6b6bc4ad98481862eed64806e84dceceaa328899185a7be02
FormBook
7cbad73d42c4241072e2163720a87762f258cbeca1584839d7ed7ee1148559e1
FormBook
9330ee2921887af4f02427f37ea2a7d0a296e2f82fe88c7001d73f74258ff92c
FormBook
977eb3104726250bc364dcb5732a75c743c502bd816aef9c813ba73cb1ce3cbd
FormBook
9ce61ae5037ceb9f8ce9dac6288d9125230dc58f58a4e1450e85081a8a620c15
FormBook
c128856d5c14b0bdf9b327cc2abbec30cfdfb5c0692f7ac57bc22551037da339
FormBook
dc61af34a94463996df082d9588b579b22f4b7bf6a63299d82cc51593b590352
FormBook
+ 486 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201109-gllzqpedwn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.hearxy.com/s5l/
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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Malspam

FormBook

Executable exe c58f0824b5c50b5988d4aa44635c1027209920bd8ab9baa6be6bd75997fc86bd

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/10619/

Comments