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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723
SHA3-384 hash: 5850aa2160dd3f8d491ca92e1065be7386d40c30e288642fb0c37803757ef2c36ec0d377a3bef6c192b345e8f6072b74
SHA1 hash: e2df88016c4927387d8ff31114c0234648fc1d19
MD5 hash: c06069df9b66a7c4a6c7b12709e3643b
humanhash: lithium-hotel-artist-harry
File name:Second_Tranche_Payment_Details.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:401'976 bytes
First seen:2026-04-07 06:13:38 UTC
Last seen:2026-05-08 12:41:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (592 x GuLoader, 130 x RemcosRAT, 84 x EpsilonStealer)
ssdeep 6144:m5lz/1R2mcE9JsdPjRbvhU4vrRwuktWgOeWoMiv:efr9JOPjRbvhU4PAdrWHu
TLSH T14484E143BB81CBA7D478473149AB83556771FC225B821F0B3398B7292DF32616A4778E
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 e1f0bc8ce0f8193a (5 x RemcosRAT, 3 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Bibliopolic
Issuer:Bibliopolic
Algorithm:sha256WithRSAEncryption
Valid from:2026-02-27T07:53:44Z
Valid to:2027-02-27T07:53:44Z
Serial number: 4d68600b4db16fe086ae8682dfde2fb0a00dbb11
Thumbprint Algorithm:SHA256
Thumbprint: b9c362b12d064330c14340ae0574a4458498559f32236078018744b5ad8c8d9a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
184
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Second_Tranche_Payment_Details.exe
Verdict:
Malicious activity
Analysis date:
2026-04-07 06:14:45 UTC
Tags:
auto-reg remcos rat remote stealer mpress
Link:
https://app.any.run/tasks/46368bbd-e1e6-41ec-9b6b-b653063e2b91

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/60677/
Detection(s):
SecuriteInfo.com.Trojan.Multi.Generic.4c.11520.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69d4a0bd66ab6d001dcfbf59
Tags:
injection obfusc virus
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
Restart of the analyzed sample
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-07T00:59:00Z UTC
Last seen:
2026-04-09T04:17:00Z UTC
Hits:
~1000
Detections:
Trojan-Downloader.Win32.Minix.sb VHO:Trojan-Downloader.Win32.Minix.gen Trojan.Win32.GuLoader.sb PDM:Trojan.Win32.Generic HEUR:Trojan.Win32.GuLoader.gen Trojan.NSIS.Makoob.sbb Trojan.NSIS.Makoob.sba
Link:
https://opentip.kaspersky.com/27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/ea0cecc7-6f4e-4e66-8514-795473b3ada1
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1894379
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 malware configuration
Initial sample is a PE file and has a suspicious name
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)
Switches to a custom stack to bypass stack traces
Tries to detect virtualization through RDTSC time measurements
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: 1894379 Sample: Second_Tranche_Payment_Deta... Startdate: 07/04/2026 Architecture: WINDOWS Score: 100 54 130.12.181.40 DATAHOPDatahop-SixDegreesGB Canada 2->54 56 drive.usercontent.google.com 2->56 58 drive.google.com 2->58 64 Found malware configuration 2->64 66 Antivirus / Scanner detection for submitted sample 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 6 other signatures 2->70 10 Second_Tranche_Payment_Details.exe 1 39 2->10         started        14 remcos.exe 13 2->14         started        16 remcos.exe 13 2->16         started        signatures3 process4 file5 50 C:\Users\user\AppData\Local\...\System.dll, PE32 10->50 dropped 84 Tries to detect virtualization through RDTSC time measurements 10->84 86 Unusual module load detection (module proxying) 10->86 88 Switches to a custom stack to bypass stack traces 10->88 18 Second_Tranche_Payment_Details.exe 2 10 10->18         started        23 Second_Tranche_Payment_Details.exe 10->23         started        signatures6 process7 dnsIp8 60 drive.google.com 142.251.210.142, 443, 49688 GOOGLEUS United States 18->60 62 drive.usercontent.google.com 142.251.41.1, 443, 49689 GOOGLEUS United States 18->62 44 C:\ProgramData\Remcos\remcos.exe, PE32 18->44 dropped 46 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 18->46 dropped 72 Detected Remcos RAT 18->72 74 Creates autostart registry keys with suspicious names 18->74 25 remcos.exe 28 18->25         started        29 Second_Tranche_Payment_Details.exe 18->29         started        file9 signatures10 process11 file12 48 C:\Users\user\AppData\Local\...\System.dll, PE32 25->48 dropped 76 Antivirus detection for dropped file 25->76 78 Multi AV Scanner detection for dropped file 25->78 80 Tries to detect virtualization through RDTSC time measurements 25->80 82 Switches to a custom stack to bypass stack traces 25->82 31 remcos.exe 28 25->31         started        34 remcos.exe 25->34         started        signatures13 process14 file15 52 C:\Users\user\AppData\Local\...\System.dll, PE32 31->52 dropped 36 remcos.exe 31->36         started        38 remcos.exe 31->38         started        40 remcos.exe 31->40         started        42 19 other processes 31->42 process16
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/c06069df9b66a7c4a6c7b12709e3643b
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723
Threat name:
Win32.Trojan.Qwexlafiba
Create hunting rule
Status:
Malicious
First seen:
2026-04-07 04:31:48 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e75svxuvx6u5a3hmsp6tb4ut4awtgeom4tk6gg3lxe7f2wlw44rq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection discovery downloader persistence rat
Link:
https://tria.ge/reports/260407-gzfxpahy6j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
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
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
130.12.181.40:2404
Unpacked files
SH256 hash:
27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723
MD5 hash:
c06069df9b66a7c4a6c7b12709e3643b
SHA1 hash:
e2df88016c4927387d8ff31114c0234648fc1d19
Link:
https://www.unpac.me/results/15c44cb2-e13d-48ce-b4ce-af6d768e7f9f/
SH256 hash:
3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
MD5 hash:
0d7ad4f45dc6f5aa87f606d0331c6901
SHA1 hash:
48df0911f0484cbe2a8cdd5362140b63c41ee457
Link:
https://www.unpac.me/results/15c44cb2-e13d-48ce-b4ce-af6d768e7f9f/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/27fb2ade95bf/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/27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723

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
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects NSIS installers by .ndata section + NSIS header string
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 27fb2ade95bfa9d06cec93fd30f293e02d3311cce4d5e31b6bb93e5d5976e723

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/60677/

Comments