MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3
SHA3-384 hash: 0eebb4be75fd61150542828ade5238ab3cf57ea547aa7ec2ddc835f56bbe2ed5ee6a3835bf6e9da4276953e64d1740e2
SHA1 hash: 4e1b501275a19c037fca8a69d70e883a77bfbc7a
MD5 hash: 64672f7d2b18b490e0452d5191a6e23c
humanhash: cold-whiskey-six-alaska
File name:dxyRszHRRzGOBP9.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:689'152 bytes
First seen:2025-02-12 11:26:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'636 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:ZAvVY6ao4/7xefpM4iaMhJPsE6kjQgFR3rASfjKM9TAZw:avVJutehAfhJPtHjdjfWiYw
Threatray 4'542 similar samples on MalwareBazaar
TLSH T12AE4E1D43B26AB0ACD695930DA35EDF552A81DACB000B9E36FD93B5BB8ED1009D0CF45
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
File icon (PE):PE icon
dhash icon aa96d4b2c6cca4e4 (4 x MassLogger, 4 x AgentTesla, 3 x Formbook)
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
497
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dxyRszHRRzGOBP9.exe
Verdict:
Malicious activity
Analysis date:
2025-02-12 11:33:17 UTC
Tags:
snake keylogger evasion stealer
Link:
https://app.any.run/tasks/52e1858d-1bfe-4408-a34a-b81248cd0688

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3222.28528.327.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ac85684f5583c4c4d8616a
Tags:
snake micro shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Reading critical registry keys
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ac8562c0f303a5682e2e94/reports/d09aa52f-f181-498b-a573-c13fb5a94967/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f99a2dc3-b28c-474b-9d77-2d379461777e
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1613047
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1613047 Sample: dxyRszHRRzGOBP9.exe Startdate: 12/02/2025 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 mail.mzgold.ir 2->48 50 2 other IPs or domains 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 60 8 other signatures 2->60 8 dxyRszHRRzGOBP9.exe 7 2->8         started        12 OGXyHgrG.exe 5 2->12         started        signatures3 58 Tries to detect the country of the analysis system (by using the IP) 46->58 process4 file5 34 C:\Users\user\AppData\Roaming\OGXyHgrG.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmp8B30.tmp, XML 8->36 dropped 38 C:\Users\user\...\dxyRszHRRzGOBP9.exe.log, ASCII 8->38 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Adds a directory exclusion to Windows Defender 8->64 14 powershell.exe 23 8->14         started        17 RegSvcs.exe 15 2 8->17         started        20 schtasks.exe 1 8->20         started        66 Multi AV Scanner detection for dropped file 12->66 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 68 Loading BitLocker PowerShell Module 14->68 26 WmiPrvSE.exe 14->26         started        28 conhost.exe 14->28         started        40 checkip.dyndns.com 132.226.8.169, 49734, 49738, 80 UTMEMUS United States 17->40 42 mail.mzgold.ir 217.144.107.148, 49740, 49741, 587 NETMIHANIR Iran (ISLAMIC Republic Of) 17->42 44 reallyfreegeoip.org 104.21.48.1, 443, 49735, 49739 CLOUDFLARENETUS United States 17->44 30 conhost.exe 20->30         started        70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal browser information (history, passwords, etc) 22->72 32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-02-12 11:26:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pmsi4qkh4p26qkg4dxbhokvuge4olx6von72bmydch2yl4zaagzq._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
novastealer
Create hunting rule
Similar samples:
038849db19818c7136fe0a551b3f1b9ab11d51390ab2f4197f9f7c5ff16f6a8f
MassLogger
0f5ddd1e5c66b90c7a37c276228ef498be1297d5cf3823afd72b0ad08b08987a
MassLogger
7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3
MassLogger
8d8c12c1b96b60a434c003d013e5bd8e948ea049246912b545fef1d3574819f4
MassLogger
ef522b08a1410eef91c4e03d3241eb012720d8e16ca363dd93a48c2b5c92df1f
MassLogger
error
MassLogger
+ 4'532 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery execution
Link:
https://tria.ge/reports/250212-nj2yjsyqfr/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
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
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/7e9776ee-cc88-4323-b0ee-f46c82702835
Unpacked files
SH256 hash:
7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3
MD5 hash:
64672f7d2b18b490e0452d5191a6e23c
SHA1 hash:
4e1b501275a19c037fca8a69d70e883a77bfbc7a
Link:
https://www.unpac.me/results/b0fc7744-6759-48c4-be85-582709679315/
SH256 hash:
1b7b5821f25155071519dc9f2f715091e95d48e019363f091ab6458223e9df67
MD5 hash:
24b0021e5dccd0bd59dd373f9cdd04e4
SHA1 hash:
5220843f03849d04bf49da67b942d7e2491f97f3
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/b0fc7744-6759-48c4-be85-582709679315/
Parent samples :
35bc7d58c116e83159e745ca536a9b5b0a1a4b4d25d0b8d462efd012b3c8ad21
7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3
SH256 hash:
8149e6dfaf9e36d1a1b28990ae165b9f31ae0d0493b4b0df540c051e70d67496
MD5 hash:
67174e5b1c278970bb899251b517ea88
SHA1 hash:
86a4c0390d09f5acef628c929b44a83684e2e872
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/b0fc7744-6759-48c4-be85-582709679315/
SH256 hash:
e712bcd56fe64742c0f674f3acff83490f8103c260ea3389f56151b5066b7cd3
MD5 hash:
7bad4197d1ae020c9049a782eb9a71d2
SHA1 hash:
e1253047ea92beb7d161b106765ad8b03bc86b1e
Link:
https://www.unpac.me/results/b0fc7744-6759-48c4-be85-582709679315/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b248e4147e3/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/7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3

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:crime_snake_keylogger
Create hunting rule
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Create hunting rule
Author:Elastic Security
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

Executable exe 7b248e4147e3f5e828dc1dc2772ab43138e5dfd5737fa0b30311f585f32001b3

(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