MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ea3e035a4fa39704fe40702fcc1e87ae78aafcaa679b879b6301c7f592e6578. 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


Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ea3e035a4fa39704fe40702fcc1e87ae78aafcaa679b879b6301c7f592e6578
SHA3-384 hash: 77a946c6374ea99b890b3c19ed8270734b944e503327d5acc01bc124f73a4b2042470b2b391abe59dc7bf7441d0f10bc
SHA1 hash: a5cfd7c165463bba318b96191aede322bb4fc986
MD5 hash: 2b216732d4e5bf8afb6dfb3175b11615
humanhash: dakota-alabama-black-mobile
File name:z12A____o-Trabalhista.msi
Download: download sample
File size:8'487'424 bytes
First seen:2023-03-22 04:10:42 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:0677XOiiQdcRvLOemSLxi3Nh10ZRHC23c:06ekdGXmHss
Threatray 119 similar samples on MalwareBazaar
TLSH T1B1862325E6878622C65D027BF529FF1E1535BF63073041E7B6F93D2E88F08C166B9A42
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter FXOLabs
Tags:msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/376330/
Detection(s):
SecuriteInfo.com.Program.Unwanted.5405.22349.11000.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger packed rat razy shell32.dll
Link:
https://www.filescan.io/uploads/641a7fd8da1bbe29caf96d69/reports/e2c0c693-dd03-4d5a-91c9-ef9f2e2d42a9/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/4ea3e035a4fa39704fe40702fcc1e87ae78aafcaa679b879b6301c7f592e6578
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/4ea3e035a4fa39704fe40702fcc1e87ae78aafcaa679b879b6301c7f592e6578
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1199017
Signature
Hides threads from debuggers
Machine Learning detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file has a writeable .text section
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ea3e035a4fa39704fe40702fcc1e87ae78aafcaa679b879b6301c7f592e6578/
Threat name:
Win32.Trojan.Razy
Create hunting rule
Status:
Malicious
First seen:
2023-03-22 04:11:12 UTC
File Type:
Binary (Archive)
Extracted files:
158
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j2r6anne7i4xat7ea4bpzqpipltyvl6kuz43q6nwgaoh6wjomv4a._file
Verdict:
unknown
Similar samples:
003a2316ff87962fef3f26f662a04c111f41c1832cc6b9716377767219981594
04d87473c872231d983c1ba26e9c2d4e346d3853990a5746210dc74bfaccd833
4735b8e4cb072fa17ede40fc38737fe87ed2b1e6be7bd72a6f28e4f037613e13
56c3d1b1cf857948ea902f3dec47b29a7c84905d1533d26c1b11175a6c828649
6719c4bd451f0c988e20c4e6d4773c015fd98f2882ac1342ef4d48f31bde6cfe
761eb4c63b1c64b2241ead93fdf6714ec655f165fd82fb5548bd31b154ed5ce7
85a39af53d4d774c14a1f2f4efc55ef5b1fa684842a1a31921fe73a977825f21
9de598ad601033a29a124daee8da5c18ab0a1322411207c4a3daf9f73cf6db21
e12d85aa606d45cdbb85982f5ea17d5c0b6f030dbbb30275ec0803f37c188a5b
+ 109 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230322-eryfnaeg42/
Behaviour
Modifies Internet Explorer settings
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.46
Link:
https://yomi.yoroi.company/submissions/4ea3e035a4fa39704fe40702fcc1e87ae78aafcaa679b879b6301c7f592e6578

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:possible_trojan_banker
Create hunting rule
Author:@johnk3r
Description:Detects common strings, DLL and API in Banker_BR
Rule name:suspicious_msi_file
Create hunting rule
Author:Johnk3r
Description:Detects common strings, DLL and API in Banker_BR
Rule name:with_urls
Create hunting rule
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the presence of an or several urls
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:yara_template
Create hunting rule

File information

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

Malspam

Microsoft Software Installer (MSI) msi 4ea3e035a4fa39704fe40702fcc1e87ae78aafcaa679b879b6301c7f592e6578

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/376330/

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