MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8fedfa7d06811f116ce712ea9e2c96918bc4e168105e092354ebd5f708319b7. 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


MassLogger


Vendor detections: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8fedfa7d06811f116ce712ea9e2c96918bc4e168105e092354ebd5f708319b7
SHA3-384 hash: a908f2a7af90f29c6531288a10720a767d0168b87327a75e18fdb4cc528ed557f73f3e3bd62901788c84b923493c9675
SHA1 hash: 4f94803b05dd016407b933429e944f99dbcf6845
MD5 hash: 41b64620129e5e081c51ddf461a4de97
humanhash: early-juliet-artist-shade
File name:Yugo_crypted(1).exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:740'352 bytes
First seen:2020-11-19 07:33:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:mN6Rq6gmJ7NE7+xPu0mQrWPcVg3JxqVZt8LF:mU89mjDz+5ZxqN8
Threatray 551 similar samples on MalwareBazaar
TLSH C9F412310599FE5BEBAE6AF5F0902A481FBA7827DF10EA4C7DDC00D612A97548D10B73
Reporter abuse_ch
Tags:exe MassLogger


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: server.2080technologies.solutions
Sending IP: 199.250.204.181
From: info@blakeindustriesllc.com
Subject: ALJABER GROUP - RFQ/012018/000072020 Rev. 1
Attachment: 064-Q6ST.rar (contains "Yugo_crypted(1).exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject4.5399.29644.25945.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching the default Windows debugger (dwwin.exe)
Result
Gathering data
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/542377
Signature
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Costura Assembly Loader
Yara detected MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 320284 Sample: Yugo_crypted(1).exe Startdate: 19/11/2020 Architecture: WINDOWS Score: 84 21 Malicious sample detected (through community Yara rule) 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected MassLogger RAT 2->25 27 4 other signatures 2->27 7 Yugo_crypted(1).exe 3 2->7         started        process3 file4 17 C:\Users\user\...\Yugo_crypted(1).exe.log, ASCII 7->17 dropped 10 Yugo_crypted(1).exe 2 7->10         started        12 Yugo_crypted(1).exe 7->12         started        process5 process6 14 WerFault.exe 23 9 10->14         started        dnsIp7 19 192.168.2.1 unknown unknown 14->19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e8fedfa7d06811f116ce712ea9e2c96918bc4e168105e092354ebd5f708319b7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-11-19 07:34:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5d7n7j6qnai7cfwooexktywjnemlytqwqec6bervj26v64eddg3q._file
Verdict:
malicious
Label(s):
masslogger
Create hunting rule
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MassLogger
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610ed2ab81dda401cd838073f80b2d217c2a5bb8f6b35b32c6d71ed67ea4483b
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9a4a5ec81b23f16da34b34d5c368c71c085143be5e37b0567e0ddfc62d1f98a5
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ae5707f5f0a688fe98d545b88eb0fafcddc9ac9719bc381f3394681c20af59b5
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b515db56b7c63191b19befe748f7af7f00d08623029e8856c86fc46362fbed9f
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bde085b89e6e50618b1f38f6d889bf9554b11d0a08a82a315e0a66fec7718daf
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cc8bb8e2defc7e7a4b14f479a4ce5a3fe7140c5165b789809cc89dfe7d34645c
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d0f1b190868c2b25c602e6eee551a39fe677678d6e7dc45eb304fa82a5760799
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d5e2e50e17e2571167edb599cd5730f1f1c36a7e25e35010c7584b3306aebda9
MassLogger
+ 541 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger persistence spyware stealer
Link:
https://tria.ge/reports/201119-tddgcszeba/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
ServiceHost packer
MassLogger
MassLogger Main Payload
Unpacked files
SH256 hash:
e8fedfa7d06811f116ce712ea9e2c96918bc4e168105e092354ebd5f708319b7
MD5 hash:
41b64620129e5e081c51ddf461a4de97
SHA1 hash:
4f94803b05dd016407b933429e944f99dbcf6845
Link:
https://www.unpac.me/results/bf8a50a2-29c6-4d13-8407-60f01700dbc4/
SH256 hash:
de0b6236f1acc94b2cf3914ad7b814beb40deef5c16a01a7e190fc965af307d7
MD5 hash:
2a25a28fecae674049b6cb62f8afe236
SHA1 hash:
53f4d6e0112eb45a8eecd00852e29df442ba148f
Link:
https://www.unpac.me/results/bf8a50a2-29c6-4d13-8407-60f01700dbc4/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/bf8a50a2-29c6-4d13-8407-60f01700dbc4/
SH256 hash:
57f34b99440649891bccf4972b2a7f1d545e20b4551d5ea201d07ffa422486ba
MD5 hash:
b482d1db34976d7bda16ddd8b6176760
SHA1 hash:
fa129f13b0475e8a4711390526002ab9911bff97
Detections:
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/bf8a50a2-29c6-4d13-8407-60f01700dbc4/
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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

MassLogger

rar db80509799cb4c56782ea980f5fa46c5f9dec0e1c0cbd86531f4a12d22f6d41b

MassLogger

Executable exe e8fedfa7d06811f116ce712ea9e2c96918bc4e168105e092354ebd5f708319b7

(this sample)

  
Dropped by
MD5 a83b75b8cdf468f8ee60a0a4955ef104
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 db80509799cb4c56782ea980f5fa46c5f9dec0e1c0cbd86531f4a12d22f6d41b

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