MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f. 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: 13


Intelligence 13 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f
SHA3-384 hash: 214b76cdec0097924d35afdf2e68a34526bd133e35d2555bc87426fd049809743f4a598a7b436b2112e8d6b62e534681
SHA1 hash: b321ba31b6782b2399477ee8ce54db7f3e83dc80
MD5 hash: 10e27194bbd1fe9c32b2a47539357723
humanhash: paris-kilo-helium-wisconsin
File name:SOA.scr
Download: download sample
Signature MassLogger
Create hunting rule
File size:617'992 bytes
First seen:2025-01-13 12:03:35 UTC
Last seen:2025-01-20 13:34:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:GNfLFsxVQBTXK+zb5Xvab/kYQaBIJotsdjUtxmAl12tZ9uLUxL7HNHJTs7m5kR:GMLQp605XCb/kYBIGsBUNqLB6
TLSH T12DD4E01526AD8502D0A66FB01931D3F44B786E8CA931CB1B8FE5BDEFB876B457600363
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 176d926969b24d17 (3 x Formbook, 2 x MassLogger, 1 x LummaStealer)
Reporter adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
292
Origin country :
HU HU
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6785013faa9c8e7858de7b16
Tags:
kryptik micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67850148bf34a5831fca726f/reports/177dfb60-44dd-48da-83dc-e3770e38e22c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f
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.
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c52c284c-1a6e-4138-b974-479b58c26751
Result
Threat name:
MassLogger RAT, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1589986
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
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 PureLog Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1589986 Sample: SOA.scr.exe Startdate: 13/01/2025 Architecture: WINDOWS Score: 100 48 reallyfreegeoip.org 2->48 50 checkip.dyndns.org 2->50 52 checkip.dyndns.com 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 62 8 other signatures 2->62 8 SOA.scr.exe 7 2->8         started        12 eVjuqWQWhLhEQl.exe 5 2->12         started        signatures3 60 Tries to detect the country of the analysis system (by using the IP) 48->60 process4 file5 36 C:\Users\user\AppData\...\eVjuqWQWhLhEQl.exe, PE32 8->36 dropped 38 C:\...\eVjuqWQWhLhEQl.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp2349.tmp, XML 8->40 dropped 42 C:\Users\user\AppData\...\SOA.scr.exe.log, ASCII 8->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 66 Adds a directory exclusion to Windows Defender 8->66 14 powershell.exe 23 8->14         started        17 SOA.scr.exe 15 2 8->17         started        20 schtasks.exe 1 8->20         started        22 SOA.scr.exe 8->22         started        68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 eVjuqWQWhLhEQl.exe 14 2 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 72 Loading BitLocker PowerShell Module 14->72 28 WmiPrvSE.exe 14->28         started        30 conhost.exe 14->30         started        44 checkip.dyndns.com 158.101.44.242, 49725, 49728, 80 ORACLE-BMC-31898US United States 17->44 46 reallyfreegeoip.org 104.21.112.1, 443, 49788, 49795 CLOUDFLARENETUS United States 17->46 32 conhost.exe 20->32         started        74 Tries to steal Mail credentials (via file / registry access) 24->74 76 Tries to harvest and steal browser information (history, passwords, etc) 24->76 34 conhost.exe 26->34         started        signatures9 process10
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f/
Threat name:
Win32.Virus.Virut
Create hunting rule
Status:
Malicious
First seen:
2025-01-13 12:04:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ru5qbo3uhsgwjzbfyyaucnqibac2zkr4vqjl6yqvdoy6dgiivcpq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250113-n8lb4atnaj/
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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/e606b212-0508-415c-bdd7-34170a212744
Unpacked files
SH256 hash:
bc9516d32ce111f1f315ac2501e9dab08b639f8cfd8b2b39ef8619e491be353a
MD5 hash:
edfb92eb065182dee5bbae79d1a60597
SHA1 hash:
b3b9de09cd564091b56d3042e0bf758d29c306a3
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/f443f113-618b-447b-bcb5-76a8150ffbaa/
SH256 hash:
48be0bea6d6beb657a4218591530b7e563d211645f8bc671282be03837365eb1
MD5 hash:
3dd886e6d02b9610fdfb1c7361b71c1c
SHA1 hash:
ab4256e042eca5a670e4f1d2b6d3e8d78466bffd
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
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/f443f113-618b-447b-bcb5-76a8150ffbaa/
Parent samples :
f19fdc3a63aabdab91c94a0626ee6b28c62b98ffb96a454778cddb64edccf781
e0663b19ffa16445efed5a1c70bd92ab61a65faef5535fe7f43c81f3b86ea2c2
8c5e09a96b5420d6bf8cefaf5465ccc94c69e1849b7aa6ad194d3633d560742f
9604ee9c0cf521a022d9726b2e1dd82e6b3813d2ade567430b39a2fd9545063b
12ba2968289b6481ff52ba0d28aedfabb961145072da218dd13c6b9353d1eb04
8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f
eda2bf8423a8046d884b20532a74bed0ce7219a2ee5f9fe829a72624d081e3df
65b878e0d18d156a3731f52f69e69088cdefa85ee630de7a75f1c062068c260b
4b7b96a969603084656add5a232616166928a00d88223f5299dec55303e1b413
60c38c0cc5461a5698f05dad6f5715f62e2f8168caa8a81131686c888681fc03
bf577ecd72cba029e0f09ba13fd808bbf730efae25ea4e35a4825ec9a57e0f9c
7984c497ff344dd8ad4baac3992be7d6a1c5ff907effe1aa4595330dc19d0102
270d25fa4c48a659c108da5452b8b90ea07f0473ee4dcaeb66889eb0e2443c99
07af1dae3080a3fe9024cc5398a30b3a2e0d07dab4e294ff3c0b0fb4c931addf
SH256 hash:
fe26a8a1df970da362283c68cfb162d4f1acc95a82ef2e8046a567083e658465
MD5 hash:
cd4c77cd32b55506c5682eba826ef4fa
SHA1 hash:
2205c17610803a3dbc2523a753f17cf9de0bc5b2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f443f113-618b-447b-bcb5-76a8150ffbaa/
Parent samples :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 hash:
8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f
MD5 hash:
10e27194bbd1fe9c32b2a47539357723
SHA1 hash:
b321ba31b6782b2399477ee8ce54db7f3e83dc80
Link:
https://www.unpac.me/results/f443f113-618b-447b-bcb5-76a8150ffbaa/
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/8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 8d3b00bb743c8d64e425c6014136080805acaa3cac12bf62151bb1e19908a89f

(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