MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2
SHA3-384 hash: 39b0062397dc2f148f072a9a8f481c46131ba025d78424873b892c918c6596fad52dff59350b88e58cd00d39c4b1104b
SHA1 hash: f0f0203d713ae55a0248c35c07455eceed9901cb
MD5 hash: 324fcc89dd0b5cf6df02ae681872399e
humanhash: quiet-july-oscar-single
File name:SWIFT 0037261762.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:549'888 bytes
First seen:2025-03-25 11:45:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:VV/cL2tlA8KR18fLuPket/VBfvz8BkePtbwcb117MlfxP/W4JP2UdbFD7aVvUG51:r3jM8fLuh/ABkePJNbT4pPDbFsCrJw
Threatray 3 similar samples on MalwareBazaar
TLSH T120C4BE4C27E98605E5FE6FB4907222640735FC4BEE76E35E1E9070E98E72B918C52723
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 71ccceaa51b2f071 (1 x SnakeKeylogger, 1 x MassLogger)
Reporter TeamDreier
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
423
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2.exe
Verdict:
Malicious activity
Analysis date:
2025-03-26 10:41:50 UTC
Tags:
stealer snake keylogger evasion
Link:
https://app.any.run/tasks/274de478-bd24-42b5-8519-e7268cd78364

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.31447.BadFn.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e297beacb044ea849eb4a7
Tags:
shell remo smtp
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Running batch commands
Launching a process
Creating a file
Creating a process from a recently created file
Moving of the original file
Unauthorized injection to a recently created process
Enabling autorun
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer lolbin obfuscated obfuscated vbnet
Link:
https://www.filescan.io/uploads/67e2979fa08e28b31da887a8/reports/6edc713a-b699-430d-a825-e8a4cf97914b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/19f07e3e-4445-47fa-9c01-38d569afa202
Result
Threat name:
DarkTortilla, MSIL Logger, MassLogger RA
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1647951
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Tries to detect the country of the analysis system (by using the IP)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses cmd line tools excessively to alter registry or file data
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1647951 Sample: SWIFT 0037261762.exe Startdate: 25/03/2025 Architecture: WINDOWS Score: 100 65 reallyfreegeoip.org 2->65 67 mail.mzgold.ir 2->67 69 2 other IPs or domains 2->69 95 Found malware configuration 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 Antivirus detection for dropped file 2->99 103 14 other signatures 2->103 10 SWIFT 0037261762.exe 4 2->10         started        14 rundll32.exe 2->14         started        signatures3 101 Tries to detect the country of the analysis system (by using the IP) 65->101 process4 file5 57 C:\Users\user\...\SWIFT 0037261762.exe.log, ASCII 10->57 dropped 111 Moves itself to temp directory 10->111 113 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->113 16 skype.exe 4 10->16         started        19 cmd.exe 1 10->19         started        signatures6 process7 signatures8 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->73 21 cmd.exe 3 16->21         started        25 cmd.exe 1 16->25         started        75 Uses ping.exe to sleep 19->75 77 Uses cmd line tools excessively to alter registry or file data 19->77 79 Drops PE files to the startup folder 19->79 81 Uses ping.exe to check the status of other devices and networks 19->81 27 reg.exe 1 1 19->27         started        29 PING.EXE 1 19->29         started        32 conhost.exe 19->32         started        process9 dnsIp10 53 C:\Users\user\AppData\Roaming\...\skype.exe, PE32 21->53 dropped 55 C:\Users\user\...\skype.exe:Zone.Identifier, ASCII 21->55 dropped 105 Uses ping.exe to sleep 21->105 34 skype.exe 2 21->34         started        37 conhost.exe 21->37         started        39 PING.EXE 1 21->39         started        41 PING.EXE 1 21->41         started        107 Uses cmd line tools excessively to alter registry or file data 25->107 43 conhost.exe 25->43         started        45 reg.exe 1 25->45         started        47 PING.EXE 1 25->47         started        109 Creates an undocumented autostart registry key 27->109 71 127.0.0.1 unknown unknown 29->71 file11 signatures12 process13 signatures14 83 Writes to foreign memory regions 34->83 85 Allocates memory in foreign processes 34->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 34->87 89 Injects a PE file into a foreign processes 34->89 49 InstallUtil.exe 15 2 34->49         started        process15 dnsIp16 59 checkip.dyndns.com 193.122.130.0, 49694, 80 ORACLE-BMC-31898US United States 49->59 61 mail.mzgold.ir 217.144.107.148, 49696, 587 NETMIHANIR Iran (ISLAMIC Republic Of) 49->61 63 reallyfreegeoip.org 104.21.96.1, 443, 49695 CLOUDFLARENETUS United States 49->63 91 Tries to steal Mail credentials (via file / registry access) 49->91 93 Tries to harvest and steal browser information (history, passwords, etc) 49->93 signatures17
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2025-03-25 05:06:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
27 of 36 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6vazgfjkicaccx2rqdxmtdniegwhze7qndg6f4gkjkzgs23e3ra._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
Similar samples:
77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2
MassLogger
ea4fe51e13f6ab1785535b32345f69ef110e21981bf7dbb09ce02c0bdec1e43c
MassLogger
error
MassLogger
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery persistence
Link:
https://tria.ge/reports/250325-nxgjrsypy8/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies WinLogon for persistence
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0f262e7d-fb29-45fe-85c9-3733c15723fe
Unpacked files
SH256 hash:
77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2
MD5 hash:
324fcc89dd0b5cf6df02ae681872399e
SHA1 hash:
f0f0203d713ae55a0248c35c07455eceed9901cb
Link:
https://www.unpac.me/results/77c287ee-02cd-474d-b75a-13c4687be930/
SH256 hash:
da4cb91d96214c7134a9e8799fdf241bd6b8103eecd4efb1b8c228ca3c8e7e91
MD5 hash:
9a06e083cd0531927dcd616b9b601ffa
SHA1 hash:
9584f7e1c8ab7be5900762abcaedf20cb92e4ae7
Link:
https://www.unpac.me/results/77c287ee-02cd-474d-b75a-13c4687be930/
SH256 hash:
7d18c2e0fd8fdcbe12ecebef0aa18a34c31f587ab7929eccbf07f8a55c4eefff
MD5 hash:
45542cc23f6714f0f535fcbc7fc3b1bc
SHA1 hash:
998f7cce46f4d56af8eb92e4812f6ac4af06e684
Link:
https://www.unpac.me/results/77c287ee-02cd-474d-b75a-13c4687be930/
SH256 hash:
5c4969251eae6792bcb458f8c488a4db84e897191e979486614e5b4c982bb749
MD5 hash:
366f0451e6b49d37ec9e4bbda9648563
SHA1 hash:
b0149bf8a8cc3c4fb58ae91532a5c2d62a7d1311
Detections:
win_404keylogger_g1
Create hunting rule
win_masslogger_w0
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Link:
https://www.unpac.me/results/77c287ee-02cd-474d-b75a-13c4687be930/
Parent samples :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 hash:
2cb5b8fbcd0994c8371837858c1f6dfe8e0de017e86437c7aee38d710209f10a
MD5 hash:
4f5880d558000b383fbb6efb21100997
SHA1 hash:
d2ceb9140d797b0f4db46a0a02c274e4fe89f349
Link:
https://www.unpac.me/results/77c287ee-02cd-474d-b75a-13c4687be930/
Malware family:
PrivateLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/77aa0c98a952/report/overview.html
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/77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

MassLogger

Executable exe 77aa0c98a95204010afa8c07764c6d410d63e49f83466f17865255934b5b26e2

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments