MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3. 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


GuLoader


Vendor detections: 18


Intelligence 18 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3
SHA3-384 hash: 258ba35f34a902454c4e7fce57eb645ce127d4449afe9a36e0d3f7f92da5a4802979e224748db3a691b31c236ace3581
SHA1 hash: 54eebbaa42647c905c497980a8a6c0e01083346a
MD5 hash: 475344cf8eafa2bc4c6d50a7b0f1575d
humanhash: cold-five-spaghetti-two
File name:First_Tranche_Payment_Details.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:436'832 bytes
First seen:2026-03-19 03:42:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 57e98d9a5a72c8d7ad8fb7a6a58b3daf (63 x GuLoader, 20 x AZORult, 12 x RemcosRAT)
ssdeep 6144:QhRMPAEwuZ0NTcIoh+XoHKAPNnxT8634BQOd71Rk/tWDsF2nnjfVq5h8B:2AAwYJoh+XoHRnxT8634BDdAILnjfsnk
Threatray 2'438 similar samples on MalwareBazaar
TLSH T16394E003B6809662C1650731A8B74B3C27736EA85B724B0F635CFF753AF72925A4335A
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
Reporter threatcat_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Semipermanent
Issuer:Semipermanent
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-02T06:48:43Z
Valid to:2027-03-02T06:48:43Z
Serial number: 588ae7c388d4007cdfb80c0b2a8841f801ee16e0
Thumbprint Algorithm:SHA256
Thumbprint: 1407f3a91f26653f08a6e5385448620684b7c4b303e3a8230987fc3b37580945
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
NSIS
Details
Link:
https://research.acce.ciphertechsolutions.com/results/a4f75ce9-40d9-4e8c-b22c-ce749528eead/
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3.exe
Verdict:
Malicious activity
Analysis date:
2026-03-19 03:43:19 UTC
Tags:
rat remcos auto-reg
Link:
https://app.any.run/tasks/767ab397-0e10-4cd5-a50b-b81d2dcc88ff

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58050/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.254.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69bb70cb88c80c01586be0ab
Tags:
injection obfusc crypt
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
DNS request
Connection attempt
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug installer installer installer-heuristic masquerade microsoft_visual_cc nsis signed soft-404
Link:
https://www.filescan.io/uploads/69bb70ce2000fc76c3eba72a/reports/ae682c08-b40e-4794-9222-d051105fe3ae/overview
Verdict:
Suspicious
Labled as:
Malware_56.1
Link:
https://www.hybrid-analysis.com/sample/b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3
Result
Gathering data
Verdict:
Malicious
File Type:
exe x32
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan-Downloader.Win32.Minix.gen Trojan-Downloader.Win32.Minix.sb Trojan.Win32.Guloader.sb Trojan.NSIS.Makoob.sba
Link:
https://opentip.kaspersky.com/b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f088c3c2-675c-40fc-a78b-399d9c99f884
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1886119
Signature
AI detected suspicious PE digital signature
Antivirus / Scanner detection for submitted sample
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
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
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)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1886119 Sample: First_Tranche_Payment_Details.exe Startdate: 19/03/2026 Architecture: WINDOWS Score: 100 71 drive.usercontent.google.com 2->71 73 drive.google.com 2->73 89 Suricata IDS alerts for network traffic 2->89 91 Found malware configuration 2->91 93 Antivirus detection for dropped file 2->93 95 11 other signatures 2->95 10 First_Tranche_Payment_Details.exe 3 48 2->10         started        14 remcos.exe 28 2->14         started        16 remcos.exe 8 2->16         started        18 remcos.exe 2->18         started        signatures3 process4 file5 65 C:\Users\user\AppData\Local\...\System.dll, PE32 10->65 dropped 107 Tries to detect virtualization through RDTSC time measurements 10->107 109 Unusual module load detection (module proxying) 10->109 111 Switches to a custom stack to bypass stack traces 10->111 20 First_Tranche_Payment_Details.exe 2 10 10->20         started        25 First_Tranche_Payment_Details.exe 10->25         started        67 C:\Users\user\AppData\Local\...\System.dll, PE32 14->67 dropped 27 remcos.exe 14->27         started        29 remcos.exe 14->29         started        signatures6 process7 dnsIp8 75 drive.google.com 142.250.68.206, 443, 49724, 49727 GOOGLEUS United States 20->75 77 drive.usercontent.google.com 142.251.211.161, 443, 49725, 49728 GOOGLEUS United States 20->77 53 C:\ProgramData\Remcos\remcos.exe, PE32 20->53 dropped 55 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 20->55 dropped 97 Detected Remcos RAT 20->97 99 Creates autostart registry keys with suspicious names 20->99 31 remcos.exe 28 20->31         started        35 First_Tranche_Payment_Details.exe 20->35         started        file9 signatures10 process11 file12 69 C:\Users\user\AppData\Local\...\System.dll, PE32 31->69 dropped 81 Antivirus detection for dropped file 31->81 83 Multi AV Scanner detection for dropped file 31->83 85 Found hidden mapped module (file has been removed from disk) 31->85 87 3 other signatures 31->87 37 remcos.exe 4 16 31->37         started        42 remcos.exe 31->42         started        signatures13 process14 dnsIp15 79 130.12.181.40, 2404, 49729, 49730 DATAHOPDatahop-SixDegreesGB Canada 37->79 57 C:\Users\user\AppData\Local\Temp\THCD26.tmp, MS-DOS 37->57 dropped 59 C:\Users\user\AppData\Local\Temp\THCC99.tmp, MS-DOS 37->59 dropped 61 C:\Users\user\AppData\Local\Temp\THCC3A.tmp, MS-DOS 37->61 dropped 63 6 other malicious files 37->63 dropped 101 Detected Remcos RAT 37->101 103 Writes to foreign memory regions 37->103 105 Maps a DLL or memory area into another process 37->105 44 userinit.exe 2 37->44         started        47 userinit.exe 37->47         started        49 userinit.exe 37->49         started        51 7 other processes 37->51 file16 signatures17 process18 signatures19 113 Tries to steal Mail credentials (via file registry) 44->113 115 Unusual module load detection (module proxying) 44->115 117 Tries to steal Instant Messenger accounts or passwords 47->117 119 Tries to steal Mail credentials (via file / registry access) 47->119 121 Tries to harvest and steal browser information (history, passwords, etc) 51->121
Score:
74%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-03-19 03:43:17 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wfh7w53sq75fid2xd4vmvwqjgnvu62d3ahhlnhxsg2426c3iw3rq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
48caa1c5b9a6b41f64e6f01f74a6ed1623459c064235f772d832153274944fe2
GuLoader
551863be2e92aa2d319a92cda72bc2123233ee3a7e965ee691fd70d88c21d772
GuLoader
803d4ec06466ca32c6f4e2dd79d42d8b6b33b858d393f59f3cce2794981d41f8
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841bd3307cb1a34c5f6a907217bd09c5e4d9e7500e2863a8cd956793014d5f2e
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d8f6dad64c78b9767d8c2004c05bce64d30d8d268276dfff4adab45781e6fe1c
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d981c2a5f48e1c8d771a96fdded17e488ae1f5f5e0d182f9a40e7b25c8a7f501
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eadedc1029829676460e4a64eabd39a11f3753767c000d48cc55a584a5e5a143
GuLoader
error
GuLoader
+ 2'428 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery installer persistence rat
Link:
https://tria.ge/reports/260319-d9z7jahs9k/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Launches sc.exe
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
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
Detected Nirsoft tools
Remcos
Remcos family
Malware Config
C2 Extraction:
130.12.181.40:2404
Unpacked files
SH256 hash:
b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3
MD5 hash:
475344cf8eafa2bc4c6d50a7b0f1575d
SHA1 hash:
54eebbaa42647c905c497980a8a6c0e01083346a
Link:
https://www.unpac.me/results/6e20dad7-2ed1-4d17-a9a8-cf2ef1aa4a7b/
SH256 hash:
904fd5481d72f4e03b01a455f848dedd095d0fb17e33608e0d849f5196fb6ff8
MD5 hash:
55a26d7800446f1373056064c64c3ce8
SHA1 hash:
80256857e9a0a9c8897923b717f3435295a76002
Detections:
win_qtbot_auto
Create hunting rule
Link:
https://www.unpac.me/results/6e20dad7-2ed1-4d17-a9a8-cf2ef1aa4a7b/
Parent samples :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 family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b14ffb777287/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.52
Link:
https://yomi.yoroi.company/submissions/b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3

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: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

GuLoader

Executable exe b14ffb777287fa540f571f2acada09336b4f687b01ceb69ef236b9af0b68b6e3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/58050/

Comments