MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5bd289f1d731e66ee8bf9fed839a7921d4dfa968400db74fca274d9fadf447f5. 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 File information Comments

SHA256 hash: 5bd289f1d731e66ee8bf9fed839a7921d4dfa968400db74fca274d9fadf447f5
SHA3-384 hash: ab42b66613043f381c2b90ed7bae1b9a24dd2c8185823e97b50ae00fb6ad9c07c39c675486c42a9ef62f866f4dd35a5e
SHA1 hash: 9b21d476f7e782d9f502dff283b5b9ea15dabb2d
MD5 hash: 94756cedbcd380999ff48afce2b99cf2
humanhash: november-indigo-magazine-steak
File name:SecuriteInfo.com.Win32.Evo-gen.19838
Download: download sample
Signature GuLoader
File size:321'872 bytes
First seen:2022-09-12 06:52:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (388 x GuLoader, 59 x RemcosRAT, 44 x VIPKeylogger)
ssdeep 6144:nUj/wuIF6ND39ZfgggggggggggggggggggggggnS4TBFkTvNNRTiTwfTZL:nqngggggggggggggggggggggggpTnQNH
TLSH T1D164CF967A9680E7D87E2676ED73D73021F4AC85B72143272399B0604DF73422A1FB1B
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 82be9a848cd0f0f0 (3 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Pangful Oceanican
Issuer:Pangful Oceanican
Algorithm:sha256WithRSAEncryption
Valid from:2022-03-13T23:40:56Z
Valid to:2025-03-12T23:40:56Z
Serial number: 65b6b004adec9db6
Thumbprint Algorithm:SHA256
Thumbprint: 934c3f361d723e6402aa2d5093add35f085701bcdc3ccdf3b8757428b0630285
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
SecuriteInfo.com.Win32.Evo-gen.19838
Verdict:
Malicious activity
Analysis date:
2022-09-12 06:55:13 UTC
Tags:
guloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
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 Windows task manager window
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll
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.
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Hides threads from debuggers
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 701181 Sample: SecuriteInfo.com.Win32.Evo-... Startdate: 12/09/2022 Architecture: WINDOWS Score: 100 40 kronlux.ro 2->40 42 ftp.artemusa.cl 2->42 46 Multi AV Scanner detection for domain / URL 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 3 other signatures 2->52 8 SecuriteInfo.com.Win32.Evo-gen.19838.exe 3 33 2->8         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\System.dll, PE32 8->38 dropped 54 Obfuscated command line found 8->54 56 Writes to foreign memory regions 8->56 58 Tries to detect Any.run 8->58 60 Hides threads from debuggers 8->60 12 CasPol.exe 8->12         started        16 cmd.exe 1 8->16         started        18 cmd.exe 1 8->18         started        20 73 other processes 8->20 signatures6 process7 dnsIp8 44 kronlux.ro 89.35.173.14, 49779, 80 TLH-ASPasajSCARILORNr2RO Romania 12->44 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->62 64 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->64 66 Tries to steal Mail credentials (via file / registry access) 12->66 68 5 other signatures 12->68 22 conhost.exe 12->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 20->30         started        32 conhost.exe 20->32         started        34 69 other processes 20->34 signatures9 process10
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-09-12 06:51:37 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
6 of 26 (23.08%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
SH256 hash:
7b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
MD5 hash:
c5b9fe538654a5a259cf64c2455c5426
SHA1 hash:
db45505fa041af025de53a0580758f3694b9444a
SH256 hash:
8c6a95a1bf06c22224ab43bc1a1948f2cb0fd8d7089f2b828033c0fde161d2c2
MD5 hash:
d5bf01b2a316120d3d906e48e850520e
SHA1 hash:
a0e2f1caca1d35c227d231e6063d71ffe1d06322
SH256 hash:
5bd289f1d731e66ee8bf9fed839a7921d4dfa968400db74fca274d9fadf447f5
MD5 hash:
94756cedbcd380999ff48afce2b99cf2
SHA1 hash:
9b21d476f7e782d9f502dff283b5b9ea15dabb2d
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments