MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6
SHA3-384 hash: 2017a2e895eb8554c7c6cc133d3a08782315d2f501b4b56ade2354a1fb0cd5016ec6ef162791b9693b4f017c1df33835
SHA1 hash: 792ab12b8c526af8e306457413d7d5856a7bfa2d
MD5 hash: aea48f2ab1d70fe6090353cfdf4ab243
humanhash: tennis-hot-two-whiskey
File name:CITAS_pif.exe
Download: download sample
Signature MassLogger
Create hunting rule
File size:333'312 bytes
First seen:2024-12-16 13:06:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:9wwpPgp7b9BtSExMEN42jVW5xAsdFKV0Ry:9wlh3FN4VfLdFKV0R
Threatray 1'981 similar samples on MalwareBazaar
TLSH T111646407FA9B47B1D171AB3AC4D710015774EE81B693CA393C4A13CB18737AA9DC2697
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 adrian__luca
Tags:exe MassLogger

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
14122024_0147_12122024_CITAS_pif.gz
Verdict:
Malicious activity
Analysis date:
2024-12-14 01:52:54 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/d1b78211-c8c2-4916-a44b-78921058272b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.21448.2286.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675ce4f5653a8698dfc56cea
Tags:
autorun virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Sending a custom TCP request
Reading critical registry keys
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
net_reactor obfuscated packed
Link:
https://www.filescan.io/uploads/676025c748e5ba21b9d91c05/reports/1c884430-f976-45cb-9259-1dc01ba22b69/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ca016b92-4863-4bd3-8ec3-84dc3153a491
Result
Threat name:
MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1576068
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1576068 Sample: CITAS_pif.exe Startdate: 16/12/2024 Architecture: WINDOWS Score: 100 30 reallyfreegeoip.org 2->30 32 rubberpartsmanufacturers.com 2->32 34 2 other IPs or domains 2->34 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 60 10 other signatures 2->60 8 CITAS_pif.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 58 Tries to detect the country of the analysis system (by using the IP) 30->58 process4 dnsIp5 36 rubberpartsmanufacturers.com 103.191.208.122, 443, 49705, 49709 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 8->36 24 C:\Users\user\AppData\Roaming\Value.exe, PE32 8->24 dropped 26 C:\Users\user\...\Value.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\Roaming\...\Value.vbs, ASCII 8->28 dropped 66 Drops VBS files to the startup folder 8->66 68 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->68 70 Writes to foreign memory regions 8->70 72 Injects a PE file into a foreign processes 8->72 15 InstallUtil.exe 14 2 8->15         started        74 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->74 19 Value.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 38 checkip.dyndns.com 132.226.8.169, 49706, 49712, 80 UTMEMUS United States 15->38 40 reallyfreegeoip.org 104.21.67.152, 443, 49707, 49713 CLOUDFLARENETUS United States 15->40 42 Tries to steal Mail credentials (via file / registry access) 15->42 44 Multi AV Scanner detection for dropped file 19->44 46 Machine Learning detection for dropped file 19->46 48 Writes to foreign memory regions 19->48 50 Injects a PE file into a foreign processes 19->50 21 InstallUtil.exe 2 19->21         started        signatures10 process11 signatures12 62 Tries to steal Mail credentials (via file / registry access) 21->62 64 Tries to harvest and steal browser information (history, passwords, etc) 21->64
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2024-12-12 00:47:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6nflhslyiywa25rtarujysj4t25r3jp4njnovqj4dka4wueavhta._file
Verdict:
malicious
Label(s):
snakekeylogger
Create hunting rule
Similar samples:
2382002f38b7558edbfaaa25ab025c7e6985829b544440011e438c7bcd17033f
MassLogger
8d8c12c1b96b60a434c003d013e5bd8e948ea049246912b545fef1d3574819f4
MassLogger
ccfaea5dfcfb212dff4902b0392b7b793bec6f56c5d7162fca472ed00995d381
MassLogger
error
MassLogger
f22c4824c8543cfe3b903b6cb4b42a75ea2f4167b6fbdf2d3af25e504d854452
MassLogger
f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6
MassLogger
+ 1'971 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
collection discovery
Link:
https://tria.ge/reports/241216-qb5etasjen/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Drops startup file
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c796974b-c9f0-4e7e-95cb-5e58041b67ea
Unpacked files
SH256 hash:
f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6
MD5 hash:
aea48f2ab1d70fe6090353cfdf4ab243
SHA1 hash:
792ab12b8c526af8e306457413d7d5856a7bfa2d
Link:
https://www.unpac.me/results/7a5e703d-5279-465f-be40-590787ec0ba3/
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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 f34ab3c978462c0d763304689c493c9ebb1da5fc6a5aeac13c1a81cb5080a9e6

(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