MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
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SHA256 hash: f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be
SHA3-384 hash: 901b90befbc6dfb47d77300e9b283afa447d34c85bd023b8209f78f6b40ee5ec8036cb32599c365d2c76cd57fd97729b
SHA1 hash: 7b6f0d031d25f11c82511bb78513bfb3d8ade28a
MD5 hash: dccd2697a96327a7de7c0c298c1d2b4c
humanhash: muppet-east-edward-earth
File name:Second_Tranche_Payment_Details.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:718'360 bytes
First seen:2026-04-16 06:35:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0293eec0b5432ad092f24065016203b2 (21 x GuLoader, 16 x RemcosRAT, 6 x Formbook)
ssdeep 12288:BSW9MrpT34uxqhxw3LtfycSaLalbnNiw3SEe:BSW9MrpT3kbw3LEBnNiw3M
TLSH T16DE44B517670E3AEF6761639B4CAC26D6554BC30AD06038FF1B07EA807B2EAC5F86351
TrID 50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win64 Executable (generic) (6522/11/2)
8.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon d4d878787024d0c0 (6 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:Ancresses
Issuer:Ancresses
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-20T07:30:11Z
Valid to:2027-03-20T07:30:11Z
Serial number: 286f937b9d410fb1aa4e14579ca607bb8cf13f59
Thumbprint Algorithm:SHA256
Thumbprint: 0bbe2a5b1015c3e4e7cb92c9d0872428f861ede297535288bb378f2256097ffa
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/c9dec108-729c-4de0-8352-34df6fd16423/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be.exe
Verdict:
Malicious activity
Analysis date:
2026-04-16 06:37:54 UTC
Tags:
auto-reg rat remcos
Link:
https://app.any.run/tasks/a338002f-8783-49d3-ba18-fee5d2358c11

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/61825/
Detection(s):
SecuriteInfo.com.FileRepMalware.46229212.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69e0834ef68adfe1003a5021
Tags:
injection obfusc blic
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Searching for the window
Creating a file
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug guloader installer installer installer-heuristic masquerade microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/69e083463a506932d7c1a0ec/reports/34c7d910-7cc4-46b8-8eef-658aa58ecaea/overview
Verdict:
Suspicious
Labled as:
Injector.BYI.gen
Link:
https://www.hybrid-analysis.com/sample/f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-16T00:14:00Z UTC
Last seen:
2026-04-18T03:35:00Z UTC
Hits:
~1000
Detections:
Trojan.NSIS.Makoob.sbe Trojan.NSIS.Makoob.sbd Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba HEUR:Trojan.Win32.Makoob.gen
Link:
https://opentip.kaspersky.com/f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ae4f13b9-8506-4723-b050-f67593528cc5
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1899244
Signature
AI detected suspicious PE digital signature
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
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)
Unusual module load detection (module proxying)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1899244 Sample: Second_Tranche_Payment_Deta... Startdate: 16/04/2026 Architecture: WINDOWS Score: 100 54 drive.usercontent.google.com 2->54 56 drive.google.com 2->56 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 7 other signatures 2->74 10 Second_Tranche_Payment_Details.exe 7 43 2->10         started        14 remcos.exe 13 2->14         started        16 remcos.exe 2->16         started        signatures3 process4 file5 52 C:\Users\user\AppData\Local\...\System.dll, PE32 10->52 dropped 88 Tries to detect virtualization through RDTSC time measurements 10->88 90 Unusual module load detection (module proxying) 10->90 92 Switches to a custom stack to bypass stack traces 10->92 18 Second_Tranche_Payment_Details.exe 2 10 10->18         started        23 Second_Tranche_Payment_Details.exe 10->23         started        signatures6 process7 dnsIp8 58 drive.google.com 142.251.34.78, 443, 49698, 49701 GOOGLEUS United States 18->58 60 drive.usercontent.google.com 142.251.45.1, 443, 49699, 49702 GOOGLEUS United States 18->60 46 C:\ProgramData\Remcos\remcos.exe, PE32 18->46 dropped 48 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 18->48 dropped 76 Detected Remcos RAT 18->76 78 Creates autostart registry keys with suspicious names 18->78 25 remcos.exe 33 18->25         started        29 Second_Tranche_Payment_Details.exe 18->29         started        file9 signatures10 process11 file12 50 C:\Users\user\AppData\Local\...\System.dll, PE32 25->50 dropped 80 Multi AV Scanner detection for dropped file 25->80 82 Tries to detect virtualization through RDTSC time measurements 25->82 84 Unusual module load detection (module proxying) 25->84 86 Switches to a custom stack to bypass stack traces 25->86 31 remcos.exe 25->31         started        36 remcos.exe 25->36         started        signatures13 process14 dnsIp15 62 130.12.181.40, 2404, 49703, 49704 DATAHOPDatahop-SixDegreesGB Canada 31->62 40 C:\Users\user\AppData\...\Login Data.tmp, SQLite 31->40 dropped 42 C:\Users\user\AppData\...\Login Data.tmp, SQLite 31->42 dropped 44 C:\Users\user\...\Login Data For Account.tmp, SQLite 31->44 dropped 64 Detected Remcos RAT 31->64 66 Tries to harvest and steal browser information (history, passwords, etc) 31->66 38 remcos.exe 31->38         started        file16 signatures17 process18
Score:
88%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be
Threat name:
Win32.Trojan.Makoob
Create hunting rule
Status:
Malicious
First seen:
2026-04-16 06:35:51 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7c6z2ospxnon63gto6nevarwsrwxmzgfzubxunfaro4gugvkyc7a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery installer persistence rat spyware stealer
Link:
https://tria.ge/reports/260416-hct2gacs2y/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
NSIS installer
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
Adds Run key to start application
Checks installed software on the system
Contacts third-party web service commonly abused for C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Family: Remcos
Malware Config
C2 Extraction:
130.12.181.40:2404
Unpacked files
SH256 hash:
f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be
MD5 hash:
dccd2697a96327a7de7c0c298c1d2b4c
SHA1 hash:
7b6f0d031d25f11c82511bb78513bfb3d8ade28a
Link:
https://www.unpac.me/results/d21d716d-5da5-4efd-9a88-805ce8157e90/
SH256 hash:
014f1dfeb842cf7265a3644bc6903c592abe9049bfc7396829172d3d72c4d042
MD5 hash:
12b140583e3273ee1f65016becea58c4
SHA1 hash:
92df24d11797fefd2e1f8d29be9dfd67c56c1ada
Link:
https://www.unpac.me/results/d21d716d-5da5-4efd-9a88-805ce8157e90/
SH256 hash:
b2699fdfdab6a018fcc972806d12f71972de1861660bb6578935d62b1da06504
MD5 hash:
3cea4c9994912d8f3c3e8b6a814e810e
SHA1 hash:
c48d34a0981d4ab576c7a3ab566f5ddb94af5d86
Link:
https://www.unpac.me/results/d21d716d-5da5-4efd-9a88-805ce8157e90/
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/f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be

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
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe f8bd9d3a4fbb5cdf6cd3779a4a8236946d7664c5cd037a34a08bb86a1aaac0be

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/61825/

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