MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c348c7e4d9028bdf84aba828bbb81ce46ae55c0246a94351edbfb9c63e41a8ee. 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



njrat


Vendor detections: 16


Intelligence 16 IOCs 1 YARA 4 File information Comments

SHA256 hash: c348c7e4d9028bdf84aba828bbb81ce46ae55c0246a94351edbfb9c63e41a8ee
SHA3-384 hash: a4f6effa8def1776a7679771942d7d9f1259948ae3db0fc2ff7fc53dbaad3fa646ed14169640a79db949ba4c0c1cf9bb
SHA1 hash: d3a93df05e3a79ebec97b2dd2ea3848d182f7ee6
MD5 hash: c57991e4269b688783bc55d013358972
humanhash: coffee-glucose-connecticut-berlin
File name:C57991E4269B688783BC55D013358972.exe
Download: download sample
Signature njrat
File size:438'784 bytes
First seen:2025-05-17 15:50:14 UTC
Last seen:2025-05-17 20:10:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9dd8c0ff4fc84287e5b766563240f983 (3 x HawkEye, 2 x Jigsaw, 2 x njrat)
ssdeep 12288:EoL4EnU4T/vjLHCkriNPhGXoFXVaxchTvuYO:EwnU4TDLkmXorich6b
Threatray 3 similar samples on MalwareBazaar
TLSH T10F94021071C0C273D877153485E68B799A3930710B7696DB7BAD27BA6F213D1A3362CE
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
39.46.104.231:6903

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
39.46.104.231:6903 https://threatfox.abuse.ch/ioc/1524786/

Intelligence


File Origin
# of uploads :
2
# of downloads :
601
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
96.5%
Tags:
bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file
Launching a process
Creating a window
Searching for synchronization primitives
DNS request
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed packed packer_detected
Malware family:
Snake Keylogger
Verdict:
Malicious
Result
Threat name:
Njrat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
phis.troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Disables zone checking for all users
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 dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Njrat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1692938 Sample: BkoWpaKo6s.exe Startdate: 17/05/2025 Architecture: WINDOWS Score: 100 37 hsolic.duckdns.org 2->37 39 pki-goog.l.google.com 2->39 41 2 other IPs or domains 2->41 53 Suricata IDS alerts for network traffic 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 61 8 other signatures 2->61 8 BkoWpaKo6s.exe 11 2->8         started        11 Widget_FF07E052D298C013.exe 4 2->11         started        14 Widget_FF07E052D298C013.exe 4 2->14         started        signatures3 59 Uses dynamic DNS services 37->59 process4 file5 31 C:\Users\user\...\Widget_FF07E052D298C013.exe, PE32 8->31 dropped 33 Widget_FF07E052D29...exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\...\BkoWpaKo6s.exe.log, ASCII 8->35 dropped 16 Widget_FF07E052D298C013.exe 1 4 8->16         started        65 Writes to foreign memory regions 11->65 67 Injects a PE file into a foreign processes 11->67 19 MSBuild.exe 3 11->19         started        21 MSBuild.exe 14->21         started        signatures6 process7 signatures8 45 Antivirus detection for dropped file 16->45 47 Multi AV Scanner detection for dropped file 16->47 49 Writes to foreign memory regions 16->49 51 Injects a PE file into a foreign processes 16->51 23 MSBuild.exe 3 4 16->23         started        27 MSBuild.exe 16->27         started        29 MSBuild.exe 16->29         started        process9 dnsIp10 43 hsolic.duckdns.org 39.46.104.231, 49721, 49722, 6903 PKTELECOM-AS-PKPakistanTelecomCompanyLimitedPK Pakistan 23->43 63 Disables zone checking for all users 23->63 signatures11
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-05-15 22:58:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat discovery persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops desktop.ini file(s)
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
Njrat family
njRAT/Bladabindi
Unpacked files
SH256 hash:
c348c7e4d9028bdf84aba828bbb81ce46ae55c0246a94351edbfb9c63e41a8ee
MD5 hash:
c57991e4269b688783bc55d013358972
SHA1 hash:
d3a93df05e3a79ebec97b2dd2ea3848d182f7ee6
Detections:
win_samsam_auto
SH256 hash:
2b40f25d0fa583b970776e8713588bb57d79870b61970f91dfe9d2358029f7b8
MD5 hash:
ecaae7492ba30f9b8e26e42b4ef51f6d
SHA1 hash:
2fe44178bdf3d7733d43d82c36a4becf8f4defca
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
8066bb397a6248c419e0277e191ad37fbd609464f6f0e655cc5f1d20fb8a28eb
MD5 hash:
4ab2f7ad0a36705c8286205a07c6a233
SHA1 hash:
a69c4f390b8d210f5b5988e2514606b60da83707
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
ea39db5d3889dbc0324db6e717424cfae30e2b9ecb28c9ff43d529e19700ac07
MD5 hash:
b5018646afae2fe336fcdb18d928f872
SHA1 hash:
1485068e378fd77dd0eb8c5f3b315a814636016e
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:win_samsam_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileA

Comments