🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8b31d1280d69f4ace6cb4f0f0f3d310cee224e8fda1a648430dcccb0af742a0. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8b31d1280d69f4ace6cb4f0f0f3d310cee224e8fda1a648430dcccb0af742a0
SHA3-384 hash: ddb2d6bbf20d147b7308e98d443cf204588e8e2696ac5908b9fb7ddc5c2541caa1aa9c58b0689696abc22f174d78095c
SHA1 hash: cecd3074574b2ddf3f5a3ce732ff87a72fccd97a
MD5 hash: f436dc702eb47d1ba26e72e95854b7b0
humanhash: winter-chicken-gee-green
File name:Ziraat Bankasi Swift Mesaji_pdf.exe
Download: download sample
Signature njrat
Create hunting rule
File size:826'036 bytes
First seen:2025-04-09 06:40:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (326 x GuLoader, 65 x AgentTesla, 63 x RemcosRAT)
ssdeep 12288:oTEljAjpg0pkKeTRmdeCul2kAS/3gGHPrz4j2zL4UvfGa3m57tbPOhTxSLvJSmmU:oTE6jpgpTHCulb/h/YEHu8SLRSmL
TLSH T18B050260B5A0C1E7CCA913F03C5AEA395AE76FAC4BD03606E46635D56C33DE3091A71D
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
dhash icon 31b999ccecccca98 (2 x njrat, 1 x GuLoader)
Reporter abuse_ch
Tags:exe geo NjRAT RAT TUR ZiraatBank

Intelligence

File Origin
# of uploads :
1
# of downloads :
503
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Ziraat Bankasi Swift Mesaji_pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-04-09 08:30:33 UTC
Tags:
m0yv sinkhole stealer
Link:
https://app.any.run/tasks/6a16e8b1-dedf-427e-953f-65ad72362e0d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f61ee4f9ba909217cd9648
Tags:
underscore nsis
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Launching a process
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer masquerade microsoft_visual_cc overlay packed packer_detected
Link:
https://www.filescan.io/uploads/67f6168640adfb5162bd1565/reports/712b3a82-3039-4260-85de-5b3287d5252a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/c8b31d1280d69f4ace6cb4f0f0f3d310cee224e8fda1a648430dcccb0af742a0
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b0d2bff6-bda0-4913-92b9-571484acbbd9
Result
Threat name:
n/a
Detection:
malicious
Classification:
rans.spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1660401
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Early bird code injection technique detected
Found direct / indirect Syscall (likely to bypass EDR)
Found suspicious powershell code related to unpacking or dynamic code loading
Infects executable files (exe, dll, sys, html)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1660401 Sample: Ziraat Bankasi Swift Mesaji... Startdate: 09/04/2025 Architecture: WINDOWS Score: 100 46 api.telegram.org 2->46 48 www.anpmnmxo.biz 2->48 50 18 other IPs or domains 2->50 62 Suricata IDS alerts for network traffic 2->62 64 Antivirus detection for URL or domain 2->64 66 Antivirus detection for dropped file 2->66 70 7 other signatures 2->70 8 Ziraat Bankasi Swift Mesaji_pdf.exe 28 2->8         started        12 alg.exe 2->12         started        15 TieringEngineService.exe 2->15         started        17 20 other processes 2->17 signatures3 68 Uses the Telegram API (likely for C&C communication) 46->68 process4 dnsIp5 36 C:\Users\user\AppData\...\Untile122.Egy46, Unicode 8->36 dropped 80 Suspicious powershell command line found 8->80 19 powershell.exe 30 8->19         started        58 084725.parkingcrew.net 13.248.148.254, 49708, 80 AMAZON-02US United States 12->58 82 Creates files in the system32 config directory 12->82 84 Contains functionality to behave differently if execute on a Russian/Kazak computer 12->84 86 Creates files inside the volume driver (system volume information) 15->86 60 127.0.0.1 unknown unknown 17->60 88 Found direct / indirect Syscall (likely to bypass EDR) 17->88 file6 signatures7 process8 file9 32 C:\...\Ziraat Bankasi Swift Mesaji_pdf.exe, PE32 19->32 dropped 34 Ziraat Bankasi Swi...exe:Zone.Identifier, ASCII 19->34 dropped 72 Early bird code injection technique detected 19->72 74 Writes to foreign memory regions 19->74 76 Found suspicious powershell code related to unpacking or dynamic code loading 19->76 78 3 other signatures 19->78 23 msiexec.exe 1 41 19->23         started        28 msiexec.exe 19->28         started        30 conhost.exe 19->30         started        signatures10 process11 dnsIp12 52 atikelektronik.com.tr 185.111.234.8, 443, 49694 TR-FBSTR Turkey 23->52 54 api.telegram.org 149.154.167.220, 443, 49717, 49720 TELEGRAMRU United Kingdom 23->54 56 9 other IPs or domains 23->56 38 C:\Windows\System32\wbengine.exe, PE32+ 23->38 dropped 40 C:\Windows\System32\wbem\WmiApSrv.exe, PE32+ 23->40 dropped 42 C:\Windows\System32\vds.exe, PE32+ 23->42 dropped 44 137 other malicious files 23->44 dropped 90 Tries to harvest and steal browser information (history, passwords, etc) 23->90 92 Infects executable files (exe, dll, sys, html) 23->92 94 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 28->94 file13 signatures14
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8b31d1280d69f4ace6cb4f0f0f3d310cee224e8fda1a648430dcccb0af742a0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8b31d1280d69f4ace6cb4f0f0f3d310cee224e8fda1a648430dcccb0af742a0/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2025-04-08 13:00:16 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zczr2eua22puvttmwtypb46tcdhoejhi7wq2mscdbxgmwcxxikqa._file
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/250409-hftvwassez/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: LoadsDriver
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Blocklisted process makes network request
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dc6d9836-0754-4511-8ee3-3ba5dd6dc5bd
Unpacked files
SH256 hash:
c8b31d1280d69f4ace6cb4f0f0f3d310cee224e8fda1a648430dcccb0af742a0
MD5 hash:
f436dc702eb47d1ba26e72e95854b7b0
SHA1 hash:
cecd3074574b2ddf3f5a3ce732ff87a72fccd97a
Link:
https://www.unpac.me/results/d61d0187-3733-4279-8c63-82231a8ca27b/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8b31d1280d6/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/c8b31d1280d69f4ace6cb4f0f0f3d310cee224e8fda1a648430dcccb0af742a0

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: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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::SetFileSecurityW
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments