MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af8cf9119e7ade358e08c2a28df607187db8490c860a6f84fc4b01e99957e53e. 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: 12


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af8cf9119e7ade358e08c2a28df607187db8490c860a6f84fc4b01e99957e53e
SHA3-384 hash: 156c408a05eeca5fa6ec3103c52222544beaf47759f5600372461e3854c83c19297665a5250bc9a294c54318bc79bfdf
SHA1 hash: 025941db50c20487fe8ae26dc3a845c5440d30a1
MD5 hash: 0b4eabb3b999556df30e1335456cbff1
humanhash: shade-mango-uniform-florida
File name:SecuriteInfo.com.Win32.Evo-gen.11435
Download: download sample
Signature GuLoader
Create hunting rule
File size:277'904 bytes
First seen:2022-09-21 07:42:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:pRlWoFJY4FY4WdwwvCevA6EHMvU7EthGLBEciYY8FqI4/:7k464WuIATP7IhGVt3q
Threatray 2'959 similar samples on MalwareBazaar
TLSH T1D544011635B8C0D7D39A0B3D8C3689B5C5ABBE072E50070B5750BBBE78762B38119F95
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 8c03f09cec7082d4 (8 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-02-05T20:52:13Z
Valid to:2025-02-04T20:52:13Z
Serial number: -57abd671fc4e0eb9
Thumbprint Algorithm:SHA256
Thumbprint: 4d36df5a18571e795d0e57c6ef90c3ec39a10cbd908291a769befe9caa4844cb
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
529
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.Evo-gen.11435
Verdict:
Malicious activity
Analysis date:
2022-09-21 07:46:24 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3adb7350-d6a9-40c1-b5fc-d2a6fb31c7cf

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/312005/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.11435.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
Launching a process
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/38379/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/632ac0c912db32f024654ac0/reports/d38bca40-79cc-4460-80a8-fc78495ac8b2/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/8231fe74-902e-4735-a954-277b84fa283b
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1074395
Signature
Antivirus detection for dropped file
Installs a global keyboard hook
Mass process execution to delay analysis
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 706939 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 21/09/2022 Architecture: WINDOWS Score: 100 137 geoplugin.net 2->137 139 amegroupofschoos32.sytes.net 2->139 147 Multi AV Scanner detection for domain / URL 2->147 149 Antivirus detection for dropped file 2->149 151 Multi AV Scanner detection for submitted file 2->151 153 2 other signatures 2->153 14 SecuriteInfo.com.Win32.Evo-gen.11435.exe 1 33 2->14         started        18 dos.exe 2->18         started        signatures3 process4 file5 125 C:\Users\user\AppData\Roaming\...\Office.dll, PE32 14->125 dropped 127 C:\Users\user\AppData\...\BtTray.Toolkit.dll, PE32+ 14->127 dropped 129 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 14->129 dropped 131 C:\Users\user\AppData\Local\...\System.dll, PE32 14->131 dropped 167 Mass process execution to delay analysis 14->167 169 Tries to detect Any.run 14->169 20 SecuriteInfo.com.Win32.Evo-gen.11435.exe 14->20         started        25 powershell.exe 14->25         started        27 powershell.exe 14->27         started        31 129 other processes 14->31 133 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 18->133 dropped 135 C:\Users\user\AppData\Local\...\System.dll, PE32 18->135 dropped 29 WerFault.exe 18->29         started        signatures6 process7 dnsIp8 141 85.31.46.80, 49764, 49767, 80 CLOUDCOMPUTINGDE Germany 20->141 119 C:\Users\user\AppData\Roaming\dos.exe, PE32 20->119 dropped 121 C:\Users\user\...\dos.exe:Zone.Identifier, ASCII 20->121 dropped 123 C:\Users\user\AppData\Local\...\install.vbs, data 20->123 dropped 161 Tries to detect Any.run 20->161 33 wscript.exe 20->33         started        35 conhost.exe 25->35         started        37 conhost.exe 27->37         started        39 conhost.exe 27->39         started        41 conhost.exe 31->41         started        43 conhost.exe 31->43         started        45 conhost.exe 31->45         started        47 216 other processes 31->47 file9 signatures10 process11 process12 49 cmd.exe 33->49         started        51 conhost.exe 35->51         started        57 2 other processes 35->57 53 conhost.exe 37->53         started        55 conhost.exe 37->55         started        59 2 other processes 41->59 61 3 other processes 43->61 63 2 other processes 45->63 65 110 other processes 47->65 process13 67 dos.exe 49->67         started        71 conhost.exe 49->71         started        73 conhost.exe 51->73         started        75 3 other processes 51->75 77 4 other processes 53->77 79 2 other processes 59->79 81 2 other processes 61->81 83 3 other processes 63->83 85 21 other processes 65->85 file14 115 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 67->115 dropped 117 C:\Users\user\AppData\Local\...\System.dll, PE32 67->117 dropped 155 Multi AV Scanner detection for dropped file 67->155 157 Tries to detect Any.run 67->157 159 Sample uses process hollowing technique 67->159 87 dos.exe 67->87         started        91 conhost.exe 73->91         started        93 conhost.exe 77->93         started        95 conhost.exe 77->95         started        97 conhost.exe 77->97         started        99 conhost.exe 79->99         started        101 conhost.exe 85->101         started        signatures15 process16 dnsIp17 143 amegroupofschoos32.sytes.net 81.161.229.136, 4820, 49768 CMCSUS Germany 87->143 145 geoplugin.net 178.237.33.50, 49769, 80 ATOM86-ASATOM86NL Netherlands 87->145 163 Tries to detect Any.run 87->163 165 Installs a global keyboard hook 87->165 103 conhost.exe 91->103         started        105 conhost.exe 91->105         started        107 conhost.exe 93->107         started        109 conhost.exe 99->109         started        signatures18 process19 process20 111 conhost.exe 103->111         started        process21 113 conhost.exe 111->113         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af8cf9119e7ade358e08c2a28df607187db8490c860a6f84fc4b01e99957e53e/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-09-19 21:47:14 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6gpsem6plpdldqiykri35qhdb63qsimqyfg7bh4jma6tgkx4u7a._file
Verdict:
malicious
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ed20ff85f5df587140e0780e16a5eb28df94e1b6330c8256de39d94b5a772e83
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GuLoader
+ 2'949 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220921-jktw4sfgb2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ec2616cd-8445-4b0a-9074-bc06ccea3281
Unpacked files
SH256 hash:
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
MD5 hash:
3d366250fcf8b755fce575c75f8c79e4
SHA1 hash:
2ebac7df78154738d41aac8e27d7a0e482845c57
Link:
https://www.unpac.me/results/413aa636-9afa-40d5-ba7b-152316ec0482/
SH256 hash:
9fae3524cf580259336f307bc46247580917ba44883ff33b0411638b175d4ca3
MD5 hash:
b8f12651b202ba487210d3c244550044
SHA1 hash:
ede544c504f8049bd106e48a9a5472257f0b6704
Link:
https://www.unpac.me/results/413aa636-9afa-40d5-ba7b-152316ec0482/
SH256 hash:
65dafcd834b02f68a1fa3ae3f8a80c42899466e54d0530492918c6c45a5c7f6f
MD5 hash:
08136819c94d6859a0712afa022761c3
SHA1 hash:
97c80b087bf6da0bc0ce1ada96d3d5285a335703
Link:
https://www.unpac.me/results/413aa636-9afa-40d5-ba7b-152316ec0482/
SH256 hash:
bb7e367bee3e91651d444db3c2f0997de914650547c66473bb201a2724d49196
MD5 hash:
6ea4aa54a7837e790c0b822dc8c27cd6
SHA1 hash:
1ed173163c496c482b36ef737fb6832e2b82cb6e
Link:
https://www.unpac.me/results/413aa636-9afa-40d5-ba7b-152316ec0482/
SH256 hash:
af8cf9119e7ade358e08c2a28df607187db8490c860a6f84fc4b01e99957e53e
MD5 hash:
0b4eabb3b999556df30e1335456cbff1
SHA1 hash:
025941db50c20487fe8ae26dc3a845c5440d30a1
Link:
https://www.unpac.me/results/413aa636-9afa-40d5-ba7b-152316ec0482/
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/af8cf9119e7ade358e08c2a28df607187db8490c860a6f84fc4b01e99957e53e

File information

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

Web download

GuLoader

Executable exe af8cf9119e7ade358e08c2a28df607187db8490c860a6f84fc4b01e99957e53e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2308753/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/312005/

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