MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98090f606cda48999384c614b1f92bb9d0e5f1541b86d8d62bf1e6639633a271. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98090f606cda48999384c614b1f92bb9d0e5f1541b86d8d62bf1e6639633a271
SHA3-384 hash: 916114093e910baf9f63f07dc4bd17c1bf31d6db0d08104b3f686b63251a5827f75c210e6ccaccff25cc4dd13b077e89
SHA1 hash: fd3f21cf03425102a376ce4704392f26f3658ac0
MD5 hash: 2a96b9eb377cad03c249a899af9acd16
humanhash: network-carbon-alaska-cold
File name:R44310679.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:684'544 bytes
First seen:2020-07-03 06:41:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eb3539e8006979f5750642b40bd0f3a8 (9 x AgentTesla, 8 x Loki, 1 x FormBook)
ssdeep 12288:tsT8i8L8WM+QF6M4fWr+cvT6zbejd1PAn+OxwAIX7YkQ0MdoZnLwNJibd:aoRXoEJBboIn+Oxw3kkXhnwJ+
Threatray 5'123 similar samples on MalwareBazaar
TLSH C5E49F62F2F34433D26326785C1B5778A836BF10392B9D861BE5FD4C6F39281352A297
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing FormBook:

HELO: vps.camposreyeros.com
Sending IP: 34.227.147.31
From: ventas <ventas2@visualpraise.mx>
Reply-To: Ventas <fayza.hmidi.artlab@gmail.com>
Subject: Pago
Attachment: 200048837.zip (contains "R44310679.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18633/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Trojan.Delf.FareIt.Gen.7.31846.3427.UNOFFICIAL
Create hunting rule

Detection:
n/a
Link:
https://mwdb.cert.pl/sample/98090f606cda48999384c614b1f92bb9d0e5f1541b86d8d62bf1e6639633a271/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-02 20:32:13 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=taeq6ydm3jejte4eyykld6jlxhiol4kudodnrvrl6htghfrtujyq._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
Similar samples:
322427854deccec94e7331e8d3faa9f2701289b8e2faac322889c5b04d6b8f5e
FormBook
52b517b0e9be1efed3349ff5b7e7e4a392881437d7bc9ccd7b94bbc23e28a2f9
FormBook
67586cd711a0de6176d2df1bde9bf36f024f893328ae9c447bdf5e636e99502b
FormBook
83a9482f5fb2807da38f62dce5a40bdf154d2c26f7a3080982efa30491bb66c4
FormBook
916237116e09e4233846389b7410a8ccc7e7ef96c0ed97c3fdb19a08499504af
FormBook
ca2474c82643817c50106479f991ae282b9bb24fde98721dc5f99fe9a5eb3300
FormBook
cd1a9b8d7f8d830bcb13548fdd9f02a7fae07b7c49fd12bd1a7e02ed346bc010
FormBook
ceec91127018aba0be51981277015baf08e3f0ef6fbd0a5efe5821fa698ba645
FormBook
e6ec516f652708d86ea17dfa8a860550a6be97d1d2c886d67c5bc1e2ad5a2ccd
FormBook
f38d170b1da421aa60e778a64fec953d3058336f7cb06568ba7926495fe87f0c
FormBook
+ 5'113 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware
Link:
https://tria.ge/reports/200703-zv6myhpj96/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
System policy modification
Drops file in Program Files directory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Deletes itself
Reads user/profile data of web browsers
Adds Run entry to policy start application
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
Rule name:win_nymaim_g0
Create hunting rule
Author:mak, msm, CERT.pl

File information

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

Malspam

FormBook

zip 010de9f40ba9cd0d32fb9f88a938e15bc06a2a25d6c6d22686e8fd2aefc6b930

FormBook

Executable exe 98090f606cda48999384c614b1f92bb9d0e5f1541b86d8d62bf1e6639633a271

(this sample)

  
Dropped by
MD5 ef3781bc37904920c10ae623662caf9e
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 010de9f40ba9cd0d32fb9f88a938e15bc06a2a25d6c6d22686e8fd2aefc6b930
Cape
Cape
https://www.capesandbox.com/analysis/18633/

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