MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e
SHA3-384 hash: ecdf8c9f2fb8c9ba0ca0d4010e59a44ae6f874577d0bf3d1070cfea9ea3caf5e32e1982f4874b1b8d9aeba5b1a7b5bc0
SHA1 hash: b9b593e257946c3216d0e0f5aab12850e6695e4b
MD5 hash: f52b285b21a1d390ec4e436e11957bd6
humanhash: cold-table-mountain-beryllium
File name:Halkbank_Ekstre_20241022_081224_563756.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:625'160 bytes
First seen:2024-10-24 09:58:46 UTC
Last seen:2024-10-24 10:35:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:vHuE6rGxLuyNcssBraemJPY7Xv/JSKnFaMT9ynlT2sDxKwxRkR:CWsclY9S5MTd
TLSH T11DD4E00013B8DA01E5F65BB44871D3F817B96E89B835C31A8EDABDEB7D72B905810793
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
2
# of downloads :
402
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20241022_081224_563756.exe
Verdict:
Malicious activity
Analysis date:
2024-10-24 10:23:11 UTC
Tags:
netreactor evasion snake keylogger
Link:
https://app.any.run/tasks/bb04a423-3d2c-44f7-b662-d8f74ab2b06b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.AgentTeslaNET.37.32675.12142.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=671a1a68c0eeef620f5c842e
Tags:
Powershell Exploit Agensla Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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:
packed packed packer_detected
Link:
https://www.filescan.io/uploads/671a1a673bc311a7e5829d1f/reports/d8426120-c2d9-450b-97ab-429975ba33d5/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e
Result
Verdict:
MALICIOUS
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/bb6e61bb-1245-49dd-9c09-006684db2cd2
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/1541087
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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: 1541087 Sample: Halkbank_Ekstre_20241022_08... Startdate: 24/10/2024 Architecture: WINDOWS Score: 100 46 reallyfreegeoip.org 2->46 48 checkip.dyndns.org 2->48 50 checkip.dyndns.com 2->50 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 64 12 other signatures 2->64 8 Halkbank_Ekstre_20241022_081224_563756.exe 7 2->8         started        12 bAZAANr.exe 5 2->12         started        signatures3 62 Tries to detect the country of the analysis system (by using the IP) 46->62 process4 file5 38 C:\Users\user\AppData\Roaming\bAZAANr.exe, PE32 8->38 dropped 40 C:\Users\user\...\bAZAANr.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpD8B4.tmp, XML 8->42 dropped 44 Halkbank_Ekstre_20...1224_563756.exe.log, ASCII 8->44 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Adds a directory exclusion to Windows Defender 8->68 70 Injects a PE file into a foreign processes 8->70 14 Halkbank_Ekstre_20241022_081224_563756.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        72 Multi AV Scanner detection for dropped file 12->72 74 Machine Learning detection for dropped file 12->74 24 bAZAANr.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 52 reallyfreegeoip.org 188.114.96.3, 443, 49749, 49752 CLOUDFLARENETUS European Union 14->52 54 checkip.dyndns.com 132.226.247.73, 49713, 49721, 80 UTMEMUS United States 14->54 76 Loading BitLocker PowerShell Module 18->76 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        78 Tries to steal Mail credentials (via file / registry access) 24->78 80 Tries to harvest and steal browser information (history, passwords, etc) 24->80 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-10-22 14:40:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jyahui5amwhxif6boz57f4vaunzcquzbn2naase7phkxwvk2zspa._file
Verdict:
malicious
Label(s):
unknown_loader_037
Create hunting rule
404keylogger
Create hunting rule
snakekeylogger
Create hunting rule
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution spyware stealer
Link:
https://tria.ge/reports/241024-lz4qzasbkf/
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:
snake_keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/2d738254-8c8a-41fe-b9f6-79f612eaa1c5
Unpacked files
SH256 hash:
4cd6c11429610324296e0e2051ab13a099af39b609f77e4b3a361a9495ca7b34
MD5 hash:
349e761a1327259cdce128e845505b0b
SHA1 hash:
99bd9945a209ada20920592b848bf571100d7e12
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/44aaf415-3f40-4f65-a8b1-a6781898e2aa/
Parent samples :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 hash:
b6fe518ed8ca7ee32f79bb5dd52ab8250cc595d1aa8daec123cef383c6b0bdb6
MD5 hash:
b45e3c4c10da3da0c69e2f90dc3dfb10
SHA1 hash:
61a36473ced38978793a9af1aea1fc528eebe457
Detections:
win_masslogger_w0
Create hunting rule
win_404keylogger_g1
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MAL_Envrial_Jan18_1
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Link:
https://www.unpac.me/results/44aaf415-3f40-4f65-a8b1-a6781898e2aa/
Parent samples :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 hash:
016dd9de4e0b62f78f904a8c1525a8d7fdc0e0d65cb409b51c67e1dbd82c2724
MD5 hash:
05db4ba00ad2520b711cfe93c62e9780
SHA1 hash:
0e2174ee5a74a929b7d32ad2f69f69da0bfa6696
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/44aaf415-3f40-4f65-a8b1-a6781898e2aa/
SH256 hash:
4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e
MD5 hash:
f52b285b21a1d390ec4e436e11957bd6
SHA1 hash:
b9b593e257946c3216d0e0f5aab12850e6695e4b
Link:
https://www.unpac.me/results/44aaf415-3f40-4f65-a8b1-a6781898e2aa/
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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
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: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 4e007a23a0658f7417c1767bf2f2a0a3722853216e9a00489f79d57b555acc9e

(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 (HIGH_ENTROPY_VA)high

Comments