MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cab05c453ff61226526341a1ff169339c019e61fd894bcd82aac8599ea61ca7a. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cab05c453ff61226526341a1ff169339c019e61fd894bcd82aac8599ea61ca7a
SHA3-384 hash: 285b6bd9646d5c484c33f1b27e078007343bd9eab318af68f2d1063f09cb65e93d51e08491da5115afe364d29502bb70
SHA1 hash: eae78eaeb7ea2f4712826085bca7ab602a651025
MD5 hash: 70bc8b2988e4701476fdd298f6c316cf
humanhash: north-montana-arizona-october
File name:RVYT88901123.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:535'040 bytes
First seen:2020-11-06 07:23:16 UTC
Last seen:2020-11-06 08:43:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4f42654562195fe3ea6c753a45741a97 (6 x AgentTesla, 2 x Formbook)
ssdeep 6144:7iBziVP/egSgyVZdbKAcwNRzxjC6WtenG8kb+bBPz8lVS5DCas2APZZFQlBG1yXH:/VP/vkd1CPORFyPzFMBG1ocyXX
TLSH 5AB4E1457BC8C833F76218B516A0EBE582B9F8611E764853F7E9261F967CBC07C09722
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: wiliwili.genious.net
Sending IP: 41.77.115.74
From: Info <info@almanaques.net>
Reply-To: Info <intemo.reymsa@gmail.com>
Subject: VIREMENT
Attachment: FL93004.zip (contains "RVYT88901123.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Emotet.hc.19044.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching cmd.exe command interpreter
Creating a window
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/522246
Signature
Detected unpacking (changes PE section rights)
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cab05c453ff61226526341a1ff169339c019e61fd894bcd82aac8599ea61ca7a/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-11-06 05:40:32 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkyfyrj76yjcmutdigq76futhhabtzq73cklzwbkvsczt2tbzj5a._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/201106-b2bg55nrcj/
Unpacked files
SH256 hash:
cab05c453ff61226526341a1ff169339c019e61fd894bcd82aac8599ea61ca7a
MD5 hash:
70bc8b2988e4701476fdd298f6c316cf
SHA1 hash:
eae78eaeb7ea2f4712826085bca7ab602a651025
Link:
https://www.unpac.me/results/a6b6ba84-c57c-48cf-8921-70bff4e6585a/
SH256 hash:
794583cd3354fcb78c26dfaa63d7f5e35c5bc5699bc6db03b427016424ca26e4
MD5 hash:
069f92a9097ccf845d479b1aec615708
SHA1 hash:
45f2081dae744b5ea5b3d32b4543e68f1e2500a2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/a6b6ba84-c57c-48cf-8921-70bff4e6585a/
Parent samples :
a59693f90c55791c544845b00cd4a8e6333d83cc83c8d8be42a7b028af4098e0
60e0625b9dc6a06473b96fd2972c145e71120d7d6a106713c76d7be4ccf75478
7b55f6fa510718db214cc578df054de13177b21eb20194b87f97c477ffc572d5
c63da2dca25d6d1c17fcfd8041424f2232878b734072ab55f1c31a6fa083a9fa
cab05c453ff61226526341a1ff169339c019e61fd894bcd82aac8599ea61ca7a
6f463e4599313c87551cfc529feb1b20b5eccc8f4fd20f66fafe580140e109f9
55aebdda73f158c6b5d24ec671226540690112f2b412f073deb173b932c7f6c3
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

Formbook

zip c4a22aaae71c0f23b355a507e1031d0684e086df07c111806132464a2996ad1d

Formbook

Executable exe cab05c453ff61226526341a1ff169339c019e61fd894bcd82aac8599ea61ca7a

(this sample)

  
Dropped by
MD5 e7aa870faf3234b68e05fa5954bc53ee
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c4a22aaae71c0f23b355a507e1031d0684e086df07c111806132464a2996ad1d

Comments