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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d
SHA3-384 hash: 05c904f5de587b62a116fe8fc1d26114340917a09a00690021eb6523267b45c8a33f418b96ddba38e706c92e450dd9b9
SHA1 hash: ecabf3a71f22c5b68a1d173f1725d1fb037af485
MD5 hash: d7dabe8c3cf0b14d0ee2f761b675f941
humanhash: mobile-single-solar-vermont
File name:Quote-553780956787535101-UAE-24_pdf.exe
Download: download sample
Signature njrat
File size:1'116'016 bytes
First seen:2025-02-21 07:14:18 UTC
Last seen:2025-03-10 11:24:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d4b94e8ee3f620a89d114b9da4b31873 (92 x GuLoader, 18 x njrat, 9 x RemcosRAT)
ssdeep 24576:3GEzjpoPngDYFsjq5c3SddFDykNTwdQG9ikr:Dz+PnG2l5kSdzDPwZiE
Threatray 217 similar samples on MalwareBazaar
TLSH T1193523927572C056D8D2993DD422E6FB0A613E51C5D0EA137780BF3AB87B247983EF12
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
File icon (PE):PE icon
dhash icon 593463627171414d (18 x njrat)
Reporter lowmal3
Tags:exe NjRAT signed

Code Signing Certificate

Organisation:Overacidity
Issuer:Overacidity
Algorithm:sha256WithRSAEncryption
Valid from:2024-10-06T10:13:24Z
Valid to:2025-10-06T10:13:24Z
Serial number: 2706fd4302933850edabac1053fdd12060e89387
Thumbprint Algorithm:SHA256
Thumbprint: 47fb5b6f6d2e758e8a45461089ca0094250a5cb704af66d6cf6777f1bbbd708d
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
491
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote-553780956787535101-UAE-24_pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-02-21 07:22:11 UTC
Tags:
purecrypter purelogs stealer exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
underscore injection obfusc virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Delayed reading of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer masquerade microsoft_visual_cc obfuscated overlay signed
Result
Threat name:
Discord Token Stealer, GuLoader
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 potential unpacker
AI detected suspicious PE digital signature
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Discord Token Stealer
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1620698 Sample: Quote-553780956787535101-UA... Startdate: 21/02/2025 Architecture: WINDOWS Score: 100 22 ghooozztttt.duckdns.org 2->22 24 15.55.7.0.in-addr.arpa 2->24 26 2 other IPs or domains 2->26 34 Suricata IDS alerts for network traffic 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected GuLoader 2->38 42 8 other signatures 2->42 7 Quote-553780956787535101-UAE-24_pdf.exe 2 63 2->7         started        signatures3 40 Uses dynamic DNS services 22->40 process4 file5 16 C:\Users\user\AppData\...nsheathing.Ita199, data 7->16 dropped 18 C:\Users\user\AppData\Local\...\System.dll, PE32 7->18 dropped 44 Tries to detect virtualization through RDTSC time measurements 7->44 46 Switches to a custom stack to bypass stack traces 7->46 11 Quote-553780956787535101-UAE-24_pdf.exe 9 7->11         started        signatures6 process7 dnsIp8 28 ghooozztttt.duckdns.org 143.244.46.149, 49988, 49989, 57504 COGENT-174US United States 11->28 30 drive.google.com 142.250.185.78, 443, 49984 GOOGLEUS United States 11->30 32 drive.usercontent.google.com 142.250.186.65, 443, 49986 GOOGLEUS United States 11->32 20 Quote-553780956787...-UAE-24_pdf.exe.log, ASCII 11->20 dropped 48 Tries to steal Mail credentials (via file / registry access) 11->48 50 Found many strings related to Crypto-Wallets (likely being stolen) 11->50 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->52 54 2 other signatures 11->54 file9 signatures10
Threat name:
Win32.Ransomware.GuLoader
Status:
Malicious
First seen:
2025-02-21 03:50:47 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader collection discovery downloader spyware stealer
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses Microsoft Outlook profiles
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Guloader family
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a2dde989ed71eee2f7038baa6a30cf86abe2d7e2c13985cf4274b6faf102284d
MD5 hash:
d7dabe8c3cf0b14d0ee2f761b675f941
SHA1 hash:
ecabf3a71f22c5b68a1d173f1725d1fb037af485
SH256 hash:
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
MD5 hash:
ee260c45e97b62a5e42f17460d406068
SHA1 hash:
df35f6300a03c4d3d3bd69752574426296b78695
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

  
Delivery method
Other

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_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::ShellExecuteW
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::LoadLibraryW
KERNEL32.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

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