MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe0ebb0420900acf0275c41641ae45ce2bb9d581ffa67b4a9897336be4fcd9fc. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe0ebb0420900acf0275c41641ae45ce2bb9d581ffa67b4a9897336be4fcd9fc
SHA3-384 hash: dda6e7c82df63e713706586edf8c8cc33424f57bbf6580bc2836eefcf9e68c2f53aa8d2ded422ff6a759ac714abb0933
SHA1 hash: 8d53c8d88169400e91b80c3d5c04917569945fb8
MD5 hash: c3823e837dc02fb8b50b5bf1285a162c
humanhash: edward-september-pennsylvania-jig
File name:SecuriteInfo.com.Trojan.NSIS.Guloader.22775.8808
Download: download sample
Signature GuLoader
Create hunting rule
File size:444'840 bytes
First seen:2023-11-06 08:18:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 671f2a1f8aee14d336bab98fea93d734 (198 x GuLoader, 4 x Formbook, 4 x RemcosRAT)
ssdeep 6144:vWhUjHlmkDo9oIVvSuqPbWRy7pPTtffu+8afm9v08FRCgijVjCmy/8uJb:+QFs9pSuqPJFhfG+/kv0eojVyL
TLSH T16794012E3161C4D5F94843B49B36AB0769DE7897205215573BB1AB7CAF293C3DA0F0CA
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 8883b69d19c6c3c0 (38 x GuLoader, 6 x RemcosRAT, 6 x VIPKeylogger)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-17T11:03:04Z
Valid to:2026-03-16T11:03:04Z
Serial number: 67c81adb20b0540f91bd6d1b5e6f4d234c1daea6
Thumbprint Algorithm:SHA256
Thumbprint: 12f800946d84a18e55a21d6c2196adf225058abbf5ccdec3627982d3f2d11a2f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
325
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/458162/
Detection(s):
SecuriteInfo.com.Trojan.NSIS.Guloader.22775.8808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control guloader installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/6548a176993fbf888b661a13/reports/307f59f3-8ab1-4527-82bf-1a1747346fe8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fe0ebb0420900acf0275c41641ae45ce2bb9d581ffa67b4a9897336be4fcd9fc
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ac7c9538-1cd0-4abb-8241-5247490c5543
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1337461
Signature
Multi AV Scanner detection for submitted file
Obfuscated command line found
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1337461 Sample: SecuriteInfo.com.Trojan.NSI... Startdate: 06/11/2023 Architecture: WINDOWS Score: 68 39 googlehosted.l.googleusercontent.com 2->39 41 drive.google.com 2->41 43 doc-14-0k-docs.googleusercontent.com 2->43 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected GuLoader 2->51 8 SecuriteInfo.com.Trojan.NSIS.Guloader.22775.8808.exe 2 89 2->8         started        signatures3 process4 file5 35 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\System.dll, PE32 8->37 dropped 53 Obfuscated command line found 8->53 12 SecuriteInfo.com.Trojan.NSIS.Guloader.22775.8808.exe 8->12         started        15 cmd.exe 1 8->15         started        17 cmd.exe 1 8->17         started        19 273 other processes 8->19 signatures6 process7 dnsIp8 45 googlehosted.l.googleusercontent.com 142.250.217.193, 443, 49901 GOOGLEUS United States 12->45 47 drive.google.com 192.178.50.78, 443, 49900 GOOGLEUS United States 12->47 21 WerFault.exe 12->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 19->29         started        31 conhost.exe 19->31         started        33 268 other processes 19->33 process9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fe0ebb0420900acf0275c41641ae45ce2bb9d581ffa67b4a9897336be4fcd9fc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fe0ebb0420900acf0275c41641ae45ce2bb9d581ffa67b4a9897336be4fcd9fc/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-06 06:28:40 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7yhlwbbasafm6atvyqledlsfzyv3tvmb76thwsuys4zwxzh43h6a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231106-j7t6dsbe79/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Unpacked files
SH256 hash:
7fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
MD5 hash:
dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1 hash:
c9206ced48d1e5bc648b1d0f54cccc18bf643a14
Link:
https://www.unpac.me/results/a9478fe0-d2c6-48f7-80f7-7547663028eb/
SH256 hash:
bcb93204bd1854d0c34fa30883bab51f6813ab32abf7fb7d4aeed21d71f6af87
MD5 hash:
6c881f00ba860b17821d8813aa34dbc6
SHA1 hash:
0e5a1e09b1ce1bc758d6977b913a8d9ccbe52a13
Link:
https://www.unpac.me/results/a9478fe0-d2c6-48f7-80f7-7547663028eb/
SH256 hash:
832da3cff792135ecb98f44c387bea3a8e2e9bd096b917303ca8b9dc71d60365
MD5 hash:
50a9396a761bf245ed4df1b08782d6f2
SHA1 hash:
e01a99100e91801abe074341b0c77cca6220f0bd
Link:
https://www.unpac.me/results/a9478fe0-d2c6-48f7-80f7-7547663028eb/
SH256 hash:
fe0ebb0420900acf0275c41641ae45ce2bb9d581ffa67b4a9897336be4fcd9fc
MD5 hash:
c3823e837dc02fb8b50b5bf1285a162c
SHA1 hash:
8d53c8d88169400e91b80c3d5c04917569945fb8
Link:
https://www.unpac.me/results/a9478fe0-d2c6-48f7-80f7-7547663028eb/
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/fe0ebb0420900acf0275c41641ae45ce2bb9d581ffa67b4a9897336be4fcd9fc

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:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/458162/

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