MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f5ddc948bb23c9c0798e16b92bc8434922800a11b503643fd7f490a9f16da06. 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 17 File information Comments

SHA256 hash: 2f5ddc948bb23c9c0798e16b92bc8434922800a11b503643fd7f490a9f16da06
SHA3-384 hash: d1ba5aef78a9b92604893c77be3cba4e91d1e7f473465567637064ec0c786feaed01218b7e1f91b0da7c33b626663c97
SHA1 hash: b912ef9d1b8dee585bb4806aac8efef49589dc86
MD5 hash: f6b81a1448045922f4342e60069318c2
humanhash: oklahoma-minnesota-charlie-mountain
File name:GERİLİM KABLO Trafo Tic ve San AŞ RFQ_xlsx.exe
Download: download sample
Signature MassLogger
File size:1'186'304 bytes
First seen:2025-05-12 14:04:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:AHVtONla9ZdwuEcl1cKDc0b329c8KbK16Kjm89so:AHVcoK1Yc43+EK9mIs
TLSH T14D45F14DF74A8EADD5EC17FE4222351452B8D0FBD2CBE3764CD9A6F0A9126ED0942183
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
Reporter lowmal3
Tags:exe MassLogger

Intelligence


File Origin
# of uploads :
1
# of downloads :
507
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
GERİLİM KABLO Trafo Tic ve San AŞ RFQ_xlsx.exe
Verdict:
Malicious activity
Analysis date:
2025-05-12 14:06:00 UTC
Tags:
netreactor snake keylogger telegram evasion stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
agenttesla underscore snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a process from a recently created file
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected vbnet
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
DarkTortilla, Snake Keylogger, VIP Keylo
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
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 the Telegram API (likely for C&C communication)
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected VIP Keylogger
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1687993 Sample: GER#U0130L#U0130M KABLO Tra... Startdate: 12/05/2025 Architecture: WINDOWS Score: 100 19 reallyfreegeoip.org 2->19 21 api.telegram.org 2->21 23 2 other IPs or domains 2->23 31 Suricata IDS alerts for network traffic 2->31 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 41 14 other signatures 2->41 7 GER#U0130L#U0130M KABLO Trafo Tic ve San A#U015e RFQ_xlsx.exe 3 2->7         started        signatures3 37 Tries to detect the country of the analysis system (by using the IP) 19->37 39 Uses the Telegram API (likely for C&C communication) 21->39 process4 file5 17 GER#U0130L#U0130M ...5e RFQ_xlsx.exe.log, ASCII 7->17 dropped 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->43 45 Injects a PE file into a foreign processes 7->45 11 GER#U0130L#U0130M KABLO Trafo Tic ve San A#U015e RFQ_xlsx.exe 15 2 7->11         started        15 GER#U0130L#U0130M KABLO Trafo Tic ve San A#U015e RFQ_xlsx.exe 7->15         started        signatures6 process7 dnsIp8 25 checkip.dyndns.com 132.226.8.169, 49694, 49696, 49697 UTMEMUS United States 11->25 27 api.telegram.org 149.154.167.220, 443, 49711 TELEGRAMRU United Kingdom 11->27 29 reallyfreegeoip.org 104.21.80.1, 443, 49695, 49698 CLOUDFLARENETUS United States 11->29 47 Tries to steal Mail credentials (via file / registry access) 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 signatures9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2025-05-12 11:32:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
31 of 37 (83.78%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
d&dloader vipkeylogger
Result
Malware family:
vipkeylogger
Score:
  10/10
Tags:
family:vipkeylogger collection discovery keylogger spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
VIPKeylogger
Vipkeylogger family
Verdict:
Suspicious
Tags:
404keylogger
YARA:
n/a
Unpacked files
SH256 hash:
2f5ddc948bb23c9c0798e16b92bc8434922800a11b503643fd7f490a9f16da06
MD5 hash:
f6b81a1448045922f4342e60069318c2
SHA1 hash:
b912ef9d1b8dee585bb4806aac8efef49589dc86
SH256 hash:
24dca864141228f451ee382b2bcd47298fd0ec7ae656e780478b4ff679aa6f3f
MD5 hash:
17449cc27fbb76f51f78c4032a86f839
SHA1 hash:
01fe04fcc5250c28bf9fe8e336539a96848b475d
Detections:
win_404keylogger_g1 win_masslogger_w0 MAL_Envrial_Jan18_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_DotNetProcHook INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
SH256 hash:
74f2ed39c8d7f09de8bc34b3f3b75eba9ec6fc5f758965ea73e6c3a77c1be925
MD5 hash:
b93f2042ddf12dd9cb814f3c371ef7d8
SHA1 hash:
0bdda921de09d48ba7dea048b1722be7c94bd2c9
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
da4cb91d96214c7134a9e8799fdf241bd6b8103eecd4efb1b8c228ca3c8e7e91
MD5 hash:
9a06e083cd0531927dcd616b9b601ffa
SHA1 hash:
9584f7e1c8ab7be5900762abcaedf20cb92e4ae7
SH256 hash:
2cb5b8fbcd0994c8371837858c1f6dfe8e0de017e86437c7aee38d710209f10a
MD5 hash:
4f5880d558000b383fbb6efb21100997
SHA1 hash:
d2ceb9140d797b0f4db46a0a02c274e4fe89f349
Malware family:
SnakeKeylogger
Verdict:
Malicious
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:crime_snake_keylogger
Author:Rony (r0ny_123)
Description:Detects Snake keylogger payload
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DotNetProcHook
Author:ditekSHen
Description:Detects executables with potential process hoocking
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MAL_Envrial_Jan18_1
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
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:masslogger_gcch
Author:govcert_ch
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_SnakeKeylogger_af3faa65
Author:Elastic Security
Rule name:win_masslogger_w0
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 2f5ddc948bb23c9c0798e16b92bc8434922800a11b503643fd7f490a9f16da06

(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