MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b. 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: 17


Intelligence 17 IOCs YARA 8 File information Comments
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SHA256 hash: 24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b
SHA3-384 hash: 3e0317fe743363934cd4fcfd3785ecf6e6bacec66eb417aeada6be62be36ff6f419e5147d77ed41700f54d12d992013f
SHA1 hash: b0b915d1fe041df0cc139636d5bc940d2e9045e9
MD5 hash: 40202a5559a71afdd8e9bc532f170209
humanhash: double-blossom-charlie-orange
File name:Proforma Invoice.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:523'784 bytes
First seen:2025-06-02 07:20:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:pdVcBd3ES6fD/H4jbZlSXmJv6C0wtmn6Y2xxI85qcFCF+LfekR:p2i4jbE+S2sWxxIqq+7LN
Threatray 3'141 similar samples on MalwareBazaar
TLSH T119B40185177ADF02E6F34FF46962C2385BB82DCDE921D20A5EDAACDF34A9B042540747
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
420
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proforma Invoice.exe
Verdict:
Malicious activity
Analysis date:
2025-06-02 07:56:42 UTC
Tags:
snake keylogger evasion stealer netreactor ims-api generic
Link:
https://app.any.run/tasks/30eab347-e148-44dc-b4c9-ce2989dc4015

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/6822/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.12029.12389.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683d5223acf88f5815eb1a6b
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expired-cert invalid-signature masquerade obfuscated packed packed packer_detected signed vbnet
Link:
https://www.filescan.io/uploads/683d50bfe336a33801e187f0/reports/07a2b2dc-091f-4753-ad2c-7930e284d245/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b
Malware family:
Snake Keylogger
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e96111ee-c0a9-44f3-ad62-a7e1cf742408
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/1703766
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
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 threadpools to delay analysis
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: 1703766 Sample: Proforma Invoice.exe Startdate: 02/06/2025 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 14 other signatures 2->64 8 Proforma Invoice.exe 7 2->8         started        12 BRZmsrRnXacY.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\...\BRZmsrRnXacY.exe, PE32 8->38 dropped 40 C:\Users\...\BRZmsrRnXacY.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpE95C.tmp, XML 8->42 dropped 44 C:\Users\user\...\Proforma Invoice.exe.log, ASCII 8->44 dropped 66 Writes to foreign memory regions 8->66 68 Allocates memory in foreign processes 8->68 70 Adds a directory exclusion to Windows Defender 8->70 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 RegSvcs.exe 15 2 8->19         started        26 2 other processes 8->26 72 Multi AV Scanner detection for dropped file 12->72 74 Injects a PE file into a foreign processes 12->74 76 Uses threadpools to delay analysis 12->76 22 RegSvcs.exe 12->22         started        24 schtasks.exe 12->24         started        signatures6 process7 dnsIp8 78 Loading BitLocker PowerShell Module 14->78 28 conhost.exe 14->28         started        30 WmiPrvSE.exe 14->30         started        32 conhost.exe 17->32         started        52 checkip.dyndns.com 132.226.247.73, 49690, 49696, 80 UTMEMUS United States 19->52 54 reallyfreegeoip.org 104.21.80.1, 443, 49691, 49697 CLOUDFLARENETUS United States 19->54 80 Tries to steal Mail credentials (via file / registry access) 22->80 82 Tries to harvest and steal browser information (history, passwords, etc) 22->82 34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-06-02 03:12:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=er2vcrv6vmew7utuijdasqxicz2rwkakp66jkp5jjhy6kozqef5q._file
Verdict:
malicious
Label(s):
novastealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b
MassLogger
59cb54570d5d67d0dc406d25b3fb2413663e11eab1034ac83d3924e93205e33a
MassLogger
815a6256a3d19a283c5adff762428f73cb301476a524ec81b6c6497cfef90d5e
MassLogger
987d80fbc03ed5f7612a742982367ae5f354237968d23b2fe1cbe9440946497d
MassLogger
a219e517e4f68db96fa6c7bf2d044b991043884cb1ac1dbd5de22ec5f08ddb00
MassLogger
error
MassLogger
+ 3'131 additional samples on MalwareBazaar
Result
Malware family:
masslogger
Create hunting rule
Score:
  10/10
Tags:
family:masslogger collection discovery execution spyware stealer
Link:
https://tria.ge/reports/250602-h6cpaaxlx8/
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
Command and Scripting Interpreter: PowerShell
MassLogger
Masslogger family
Malware Config
C2 Extraction:
https://api.telegram.org/bot7734028043:AAFIeCvMZ4kzPCyRJpN0A6Vnw5IFE1hKcXw/sendMessage?chat_id=7758782479
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/50cef908-d7f5-4578-b0f5-dcca20e0726e
Unpacked files
SH256 hash:
24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b
MD5 hash:
40202a5559a71afdd8e9bc532f170209
SHA1 hash:
b0b915d1fe041df0cc139636d5bc940d2e9045e9
Link:
https://www.unpac.me/results/972014aa-2db5-4796-a889-96473fc593cc/
SH256 hash:
835e84db0834c6cdc44e0fd51c420bba029c6f4cc2d4dec8b0ee69c524774041
MD5 hash:
f8a508751a78b5aabf5c03c01403a56a
SHA1 hash:
b3857d3152ef41d6e99dcca7eedb39adf3e28ce2
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/972014aa-2db5-4796-a889-96473fc593cc/
Parent samples :
7bb5c9e35f9f5810040621ea28a76b70dad305aab4b3ab4aa601c50f5454a8cf
59cb54570d5d67d0dc406d25b3fb2413663e11eab1034ac83d3924e93205e33a
24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b
5da01327848b8f3e9c7ab596c1241fd7148ff8917d2462334834916849193791
f6a0ee3459a41918aedc9dc305eb06e8781da0e48bc44a8528913e038b482026
b8a421f2c5ebf3f5e061aaebabf855a97bd48bf711c93dc3781f55c31221052d
SH256 hash:
dd07bbf4d7197e69d5dc71bd1535dae82770f2801b084904cb1840e3600b67dd
MD5 hash:
eb2725d310ba585ee88ee14cf9dbacc5
SHA1 hash:
b42775709e9e5e1d119ea2098f63b1f8d549a8a8
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/972014aa-2db5-4796-a889-96473fc593cc/
Parent samples :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 hash:
3f4eeabf8526e8862e5362e29e6ac1b503cc61c24aa2db18c2e8abb014d0ad56
MD5 hash:
9512499c2fff195d7ef8f6e9547a207f
SHA1 hash:
e1562b8d38007897eef61642c40602889ce6c5ff
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/972014aa-2db5-4796-a889-96473fc593cc/
Malware family:
MassLogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/24755146beab/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/24755146beab096fd27442460942e816751b280a7fbc953fa949f1e53b30217b

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:INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables (downlaoders) containing URLs to raw contents of a paste
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/6822/

Comments