MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0199de3c22dbb41a7cae1c6d5dfef4733b55fad2c58d59045f9a6093bac350ec. 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



RemcosRAT


Vendor detections: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 0199de3c22dbb41a7cae1c6d5dfef4733b55fad2c58d59045f9a6093bac350ec
SHA3-384 hash: 700e5a5950a94d37b53812218acb738f52b076d167e015093276da4bcb8ff309c14c4f001f8730f42705f290ba86a083
SHA1 hash: df34b6ac151e125be98fd3ec43d28f06b3b1cb4a
MD5 hash: 4aed977a14cc91e4e6e68dd4998709b3
humanhash: crazy-may-georgia-whiskey
File name:0199de3c22dbb41a7cae1c6d5dfef4733b55fad2c58d59045f9a6093bac350ec
Download: download sample
Signature RemcosRAT
File size:687'720 bytes
First seen:2025-12-08 15:36:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (733 x GuLoader, 452 x Formbook, 295 x Loki)
ssdeep 12288:ANCKDPjh2NaiH3NpaMaorcimjuFjDs30Oatygvjm13H37PaAsLSk+imp:ANCq0NtH33aMaTcwkOQTyhrPaXSk+ic
Threatray 2'394 similar samples on MalwareBazaar
TLSH T1C2E42325FACAC0A9E2F5C9702BB71A367AB5B7E50471534F7330A6AABC433415D0D362
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 93c2e6f232b6d2ac (5 x RemcosRAT, 2 x GuLoader)
Reporter adrian__luca
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:nervously
Issuer:nervously
Algorithm:sha256WithRSAEncryption
Valid from:2025-11-21T10:55:30Z
Valid to:2026-11-21T10:55:30Z
Serial number: 2a5f8c75f2e498aec0a2cd4b4b1d34155f265714
Thumbprint Algorithm:SHA256
Thumbprint: 6600d2be4a4193a99b563f801e8e0283a160ac5d2201b4f0e03bce432e0fef9a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
GuLoader NSIS
Details
GuLoader
a c2 URL, a useragent string, and a string XOR key
GuLoader
an XOR decryption key and an extracted component
NSIS
extracted archive contents
Malware family:
ID:
1
File name:
_0199de3c22dbb41a7cae1c6d5dfef4733b55fad2c58d59045f9a6093bac350ec.exe
Verdict:
Malicious activity
Analysis date:
2025-12-08 15:39:51 UTC
Tags:
rat remcos auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
uloader virus nsis blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% directory
Delayed reading of the file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-23T23:56:00Z UTC
Last seen:
2025-12-10T02:45:00Z UTC
Hits:
~10000
Detections:
HEUR:Trojan-Downloader.Win32.Minix.gen Trojan.Win32.GuLoader.sb Trojan-Downloader.Win32.Minix.sb Trojan.NSIS.Makoob.sba HEUR:Trojan-Dropper.NSIS.Agent.gen
Gathering data
Result
Threat name:
Remcos, GuLoader
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819775 Sample: 1SsOAvq2Pg Startdate: 24/11/2025 Architecture: WINDOWS Score: 100 75 drive.usercontent.google.com 2->75 77 drive.google.com 2->77 93 Suricata IDS alerts for network traffic 2->93 95 Found malware configuration 2->95 97 Antivirus detection for dropped file 2->97 99 7 other signatures 2->99 10 1SsOAvq2Pg.exe 2 75 2->10         started        14 remcos.exe 29 2->14         started        16 remcos.exe 12 2->16         started        18 remcos.exe 2->18         started        signatures3 process4 file5 67 C:\Users\user\AppData\Local\...\System.dll, PE32 10->67 dropped 69 C:\Users\user\...\heteroseksualitets.sma, DOS 10->69 dropped 111 Tries to detect virtualization through RDTSC time measurements 10->111 113 Unusual module load detection (module proxying) 10->113 115 Switches to a custom stack to bypass stack traces 10->115 20 1SsOAvq2Pg.exe 2 10 10->20         started        25 1SsOAvq2Pg.exe 10->25         started        71 C:\Users\user\AppData\Local\...\System.dll, PE32 14->71 dropped 27 remcos.exe 14->27         started        29 remcos.exe 14->29         started        signatures6 process7 dnsIp8 79 drive.usercontent.google.com 142.250.9.132, 443, 49723, 49725 GOOGLEUS United States 20->79 81 drive.google.com 172.253.124.102, 443, 49722, 49724 GOOGLEUS United States 20->81 55 C:\ProgramData\Remcos\remcos.exe, PE32 20->55 dropped 57 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 20->57 dropped 101 Detected Remcos RAT 20->101 103 Creates autostart registry keys with suspicious names 20->103 31 remcos.exe 29 20->31         started        35 1SsOAvq2Pg.exe 20->35         started        37 remcos.exe 27->37         started        file9 signatures10 process11 file12 73 C:\Users\user\AppData\Local\...\System.dll, PE32 31->73 dropped 85 Multi AV Scanner detection for dropped file 31->85 87 Found hidden mapped module (file has been removed from disk) 31->87 89 Tries to detect virtualization through RDTSC time measurements 31->89 91 2 other signatures 31->91 39 remcos.exe 4 13 31->39         started        44 remcos.exe 31->44         started        signatures13 process14 dnsIp15 83 176.117.107.17, 2404, 49726, 49727 UNBELIEVABLE-ASDE Germany 39->83 59 C:\Users\user\AppData\Local\Temp\THFFCE.tmp, MS-DOS 39->59 dropped 61 C:\Users\user\AppData\Local\Temp\THFFBD.tmp, MS-DOS 39->61 dropped 63 C:\Users\user\AppData\Local\Temp\TH1D.tmp, MS-DOS 39->63 dropped 65 3 other malicious files 39->65 dropped 105 Detected Remcos RAT 39->105 107 Writes to foreign memory regions 39->107 109 Maps a DLL or memory area into another process 39->109 46 RmClient.exe 39->46         started        49 RmClient.exe 39->49         started        51 RmClient.exe 39->51         started        53 6 other processes 39->53 file16 signatures17 process18 signatures19 117 Tries to steal Instant Messenger accounts or passwords 46->117 119 Tries to steal Mail credentials (via file / registry access) 46->119 121 Tries to harvest and steal browser information (history, passwords, etc) 51->121 123 Unusual module load detection (module proxying) 53->123
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2025-11-24 09:25:25 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows 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:
176.117.107.17:2404
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0199de3c22dbb41a7cae1c6d5dfef4733b55fad2c58d59045f9a6093bac350ec
MD5 hash:
4aed977a14cc91e4e6e68dd4998709b3
SHA1 hash:
df34b6ac151e125be98fd3ec43d28f06b3b1cb4a
SH256 hash:
56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
MD5 hash:
6c3f8c94d0727894d706940a8a980543
SHA1 hash:
0d1bcad901be377f38d579aafc0c41c0ef8dcefd
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
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:Detect_NSIS_Nullsoft_Installer
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
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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