MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c48930931933be4b07dbba44ad519a575b26981dc726c0bd24d583f70357e3da. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c48930931933be4b07dbba44ad519a575b26981dc726c0bd24d583f70357e3da
SHA3-384 hash: a452f506e8aba7919476ab0adf41f6aef7b61184e16d696e97961bdd5bf9082a76e098e99186ffb08c74f2895f35da2f
SHA1 hash: b78cd44c72e7135765d76f9afcd2327d97c4e841
MD5 hash: 16604ff37d98297e95208cfe9598cd02
humanhash: delaware-beer-indigo-uranus
File name:Changes in staff positions.rar
Download: download sample
Signature Formbook
Create hunting rule
File size:291'327 bytes
First seen:2023-10-05 16:17:50 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:yiRJvh8eirSzmYS5ofP4EAy85sr+JKwu8MBs3Bgr4pxmu0:JJJ8eirm/S5oH4EAr5lIwuVt4Hf0
TLSH T1E654237402B1F8ED2E00B1C41D5D0AE4E076FD95BBD476BB55BA7EB9A21F86124013EC
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook rar


Avatar
cocaman
Malicious email (T1566.001)
From: "HR <hr@gemsl.com>" (likely spoofed)
Received: "from [81.161.229.115] (unknown [81.161.229.115]) "
Date: "5 Oct 2023 17:10:07 +0200"
Subject: "Changes in staff positions Thursday 05-Oct-23"
Attachment: "Changes in staff positions.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Changes in staff positions.exe
File size:306'433 bytes
SHA256 hash: 7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5
MD5 hash: 5760c3d839f1444175bdd379c2cf7495
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Rogue.0hr.20231005-1737.UNOFFICIAL
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Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/c48930931933be4b07dbba44ad519a575b26981dc726c0bd24d583f70357e3da/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed remcos shell32 threat virus
Link:
https://www.filescan.io/uploads/651ee1bb1e07d7e1e9b2a97a/reports/d9066a7e-9675-493c-820f-1bab7391426a/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c48930931933be4b07dbba44ad519a575b26981dc726c0bd24d583f70357e3da
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c48930931933be4b07dbba44ad519a575b26981dc726c0bd24d583f70357e3da/
Threat name:
Win32.Trojan.Swotter
Create hunting rule
Status:
Malicious
First seen:
2023-10-05 11:46:30 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ysetbeyzgo7ewb63xjck2um2k5nsnga5y4tmbpje2wb7oa2x4pna._file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c48930931933be4b07dbba44ad519a575b26981dc726c0bd24d583f70357e3da

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:azov_Dropped
Create hunting rule
Author:Potatech
Description:Azov Detection
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

File information

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

Malspam

Formbook

rar c48930931933be4b07dbba44ad519a575b26981dc726c0bd24d583f70357e3da

(this sample)

Formbook

Executable exe 7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 7da9294ba554d4c17ed9e4caac9836e303980814c7898b422ccde7a246ac26a5
  
Dropping
Formbook
  
Dropping
MD5 5760c3d839f1444175bdd379c2cf7495

Comments