MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 16c85ccbc4bd049f6d77c4be926f9b29da03bdbf8da753336242cf802110161e. 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
| SHA256 hash: | 16c85ccbc4bd049f6d77c4be926f9b29da03bdbf8da753336242cf802110161e |
|---|---|
| SHA3-384 hash: | 43cb5370a44ea664bbe0dd2b6319b3e4e29a62a3bc2eddecbf35afca2243fbc42a4179d9aca9fd7c0be1b9bda2b2dc1d |
| SHA1 hash: | 27ec52b66ae49b0ee45b3f2bd76cf307e3b34f9e |
| MD5 hash: | e88d98ce073f13e144ae9714c459521d |
| humanhash: | papa-dakota-monkey-green |
| File name: | DRAFT DOCS RSHA1568060.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 491'056 bytes |
| First seen: | 2025-11-27 19:25:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0293eec0b5432ad092f24065016203b2 (22 x GuLoader, 18 x RemcosRAT, 6 x Formbook) |
| ssdeep | 12288:PVbWcMuaGO8QHPG2xt2H3fNvSmll8kI2ImVzOHIgx1c:P0gpAfotSmlKkXzOoN |
| Threatray | 2'318 similar samples on MalwareBazaar |
| TLSH | T172A423652372C18BD9A52FB118F25E4DF6E9DA1904A0B38F3FD05745F8A22C3121EE4B |
| 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 | 30bc8ce4b48046c2 (6 x njrat) |
| Reporter |  amznemu |
| Tags: | exe NjRAT signed |
Code Signing Certificate
| Organisation: | Sammensnringens |
|---|---|
| Issuer: | Sammensnringens |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2025-11-23T06:54:34Z |
| Valid to: | 2026-11-23T06:54:34Z |
| Serial number: | 6ef5641ebf85d3391261129c736715f4a2048f98 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 3b3c311f98786be9b70ee9ff41b1a27d95bac2de9a49a8a2f72f8cdca7f2d8d7 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
188
Origin country :
IDVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
_16c85ccbc4bd049f6d77c4be926f9b29da03bdbf8da753336242cf802110161e.exe
Verdict:
Malicious activity
Analysis date:
2025-11-27 19:26:19 UTC
Tags:
rat remcos auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
96.5%
Tags:
injection virus nsis blic
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a file
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Unknown
Threat level:
2.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole guloader installer installer installer-heuristic microsoft_visual_cc nsis overlay signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-25T17:30:00Z UTC
Last seen:
2025-11-29T17:34:00Z UTC
Hits:
~10000
Detections:
Trojan-Downloader.Win32.Minix.sb Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba HEUR:Trojan.Win32.Makoob.gen HEUR:Backdoor.Win32.Remcos.gen Trojan.Win32.Guloader.sb HEUR:Trojan.NSIS.Makoob.gen Backdoor.Win32.Remcos.sb VHO:Trojan.NSIS.Makoob.gen PDM:Trojan.Win32.Generic
Verdict:
Suspicious
Score:
94%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2025-11-25 21:40:58 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
24 of 36 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 2'308 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost discovery installer persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
91.231.222.184:2404
91.231.222.184:5000
91.231.222.184:5000
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
16c85ccbc4bd049f6d77c4be926f9b29da03bdbf8da753336242cf802110161e
MD5 hash:
e88d98ce073f13e144ae9714c459521d
SHA1 hash:
27ec52b66ae49b0ee45b3f2bd76cf307e3b34f9e
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
Malware family:
GuLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
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: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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