MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a. 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 5 File information Comments
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SHA256 hash: d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a
SHA3-384 hash: 91b8fe995683867407e5b7290aa08d62f98487dff22191ccd54be8093ec97671892fa3c9b9679c3eaa8910912a68fe7a
SHA1 hash: a61d57a424b2c10ab7a5a3a3bafc3041b95dd9dc
MD5 hash: 58ada4ddb818835b3736bd4e7d906883
humanhash: cardinal-triple-helium-december
File name:Remittance Document.scr
Download: download sample
Signature MassLogger
Create hunting rule
File size:590'848 bytes
First seen:2025-02-24 13:05:26 UTC
Last seen:2025-03-10 11:32:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:eMr8I02dYeXY/e1muBQ0zkfTz6mCzjCCz+vUzip0MszRTv:eMrbLREuBXkDCz2CcgipwTv
TLSH T1EFC4E0883765B912C5E987B406B1F6B447386EAED400E31B9FD86DEF7CB6B410D09683
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon ae2f032b0b030b8e (9 x MassLogger, 6 x Formbook, 5 x AgentTesla)
Reporter abuse_ch
Tags:exe MassLogger scr

Intelligence

File Origin
# of uploads :
2
# of downloads :
47
Origin country :
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bc6ed3a0fd713c335ca026
Tags:
dropper micro 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:
masquerade obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67bc6ed560f4b4f0724b8ee5/reports/8d1a5f23-04e5-4759-bf7c-5e75d0958dfa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a
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/49d48535-89f2-4041-98de-9f63c84e93fe
Result
Threat name:
MSIL Logger, MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1622730
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
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
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected MSIL Logger
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1622730 Sample: Remittance Document.scr.exe Startdate: 24/02/2025 Architecture: WINDOWS Score: 100 50 reallyfreegeoip.org 2->50 52 api.telegram.org 2->52 54 6 other IPs or domains 2->54 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 66 15 other signatures 2->66 8 Remittance Document.scr.exe 7 2->8         started        12 GHNPsCqfwG.exe 5 2->12         started        signatures3 62 Tries to detect the country of the analysis system (by using the IP) 50->62 64 Uses the Telegram API (likely for C&C communication) 52->64 process4 file5 36 C:\Users\user\AppData\...behaviorgraphHNPsCqfwG.exe, PE32 8->36 dropped 38 C:\Users\...behaviorgraphHNPsCqfwG.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpCC9F.tmp, XML 8->40 dropped 42 C:\Users\...\Remittance Document.scr.exe.log, ASCII 8->42 dropped 68 Adds a directory exclusion to Windows Defender 8->68 14 powershell.exe 23 8->14         started        17 MSBuild.exe 15 2 8->17         started        20 schtasks.exe 1 8->20         started        22 MSBuild.exe 8->22         started        70 Multi AV Scanner detection for dropped file 12->70 72 Writes to foreign memory regions 12->72 74 Allocates memory in foreign processes 12->74 76 Injects a PE file into a foreign processes 12->76 24 MSBuild.exe 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 78 Loading BitLocker PowerShell Module 14->78 28 WmiPrvSE.exe 14->28         started        30 conhost.exe 14->30         started        44 checkip.dyndns.com 132.226.8.169, 49734, 49738, 80 UTMEMUS United States 17->44 46 api.telegram.org 149.154.167.220, 443, 49740, 49741 TELEGRAMRU United Kingdom 17->46 48 reallyfreegeoip.org 104.21.80.1, 443, 49735, 49739 CLOUDFLARENETUS United States 17->48 32 conhost.exe 20->32         started        80 Tries to steal Mail credentials (via file / registry access) 24->80 82 Tries to harvest and steal browser information (history, passwords, etc) 24->82 34 conhost.exe 26->34         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-02-24 09:39:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3fwjam5ob2iqoxwr3nak4xxt6yjagn6audvttshuhfgenq274gfa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection discovery execution
Link:
https://tria.ge/reports/250224-qb7vyatny7/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
404keylogger
YARA:
n/a
Link:
https://app.threat.zone/submission/8ff4fee6-0a86-4645-ab5f-9fc02981d43f
Unpacked files
SH256 hash:
d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a
MD5 hash:
58ada4ddb818835b3736bd4e7d906883
SHA1 hash:
a61d57a424b2c10ab7a5a3a3bafc3041b95dd9dc
Link:
https://www.unpac.me/results/08635a60-427a-4aa6-9c0a-2148aec2cd7c/
SH256 hash:
e80a463e16b14b43e4112cb8f0cb0cf44ff245be592202042373a02b9ea4deb9
MD5 hash:
bbea1aafd0d7058f6f46c8ceff355f96
SHA1 hash:
14ca07073c0a943129823d6532358a55761a203f
Link:
https://www.unpac.me/results/08635a60-427a-4aa6-9c0a-2148aec2cd7c/
SH256 hash:
9b33b62bbda161f8758939bd366471861253b2bf4390f7db1909408ae7e72d79
MD5 hash:
9810e9bc2893d293c54cefabb6a3e08e
SHA1 hash:
4ba7d1605bcd9e96974b303d3300a9e1f5425863
Detections:
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/08635a60-427a-4aa6-9c0a-2148aec2cd7c/
Parent samples :
ca0d0f7f991cb7330aff7547dc68538d97093252831c8b768b304cd229189660
d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a
c5a1b7579ab3f7c950f7538656cd61255d619665803a99abf1e0294542252a3a
SH256 hash:
d65557491360ae520706e8a3cd7a41e2ac8fc1bc73ea6b40eb7627de0a2f7cf5
MD5 hash:
89c242a27bec123b209bbcc3ced4bef1
SHA1 hash:
ba914cc5d447386edcfda0f8726999afc9b3806c
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/08635a60-427a-4aa6-9c0a-2148aec2cd7c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d96c9033ae0e/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/d96c9033ae0e91075ed1db40ae5ef3f6120337c0a0eb39c8f4394c46c35fe18a

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
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)

File information

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

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

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