MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 e99458ebd23933338555907993fb3cbce8dc5a36fb57fd69e43703bdbc0fa340. 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
| SHA256 hash: | e99458ebd23933338555907993fb3cbce8dc5a36fb57fd69e43703bdbc0fa340 |
|---|---|
| SHA3-384 hash: | 7710204494016a9ff7bb8c3fc42c1bbb3c27192f5644ef08a42401556cdaef4733cb31a81d271dfa9e3d100303c9751d |
| SHA1 hash: | 138891cd92aa05c29765e36a1e0ca88ca229fa9a |
| MD5 hash: | fd611b535d6742c93108f1efd9b5424f |
| humanhash: | charlie-speaker-hydrogen-eleven |
| File name: | SecuriteInfo.com.W32.AIDetect.malware2.20337.14221 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 144'936 bytes |
| First seen: | 2022-09-28 16:21:56 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d4b94e8ee3f620a89d114b9da4b31873 (90 x GuLoader, 18 x njrat, 9 x RemcosRAT) |
| ssdeep | 3072:z1T//IHWyWJADJuH1byNWXpEszNEk4erllTuGAR0j/qiqxP+:N//I2y3A5yNWXp7ukxjVAR0jPv |
| Threatray | 859 similar samples on MalwareBazaar |
| TLSH | T1A0E3E0813764E427E8F29F32197BA76B9A7FD52114102343C3796A8E7D31382BD1EA52 |
| 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): |  |
| dhash icon | 78ce9db9b3c6ec70 (4 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-06-28T03:38:07Z |
| Valid to: | 2025-06-27T03:38:07Z |
| Serial number: | 73955e667784b00c |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | dba776bc0c6ce484dfb3161056bbef007b0d1ecd535a3d7089440df8b937f6f5 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
487
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
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
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Result
Verdict:
UNKNOWN
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
Result
Threat name:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Malicious sample detected (through community Yara rule)
Mass process execution to delay analysis
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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)
Snort IDS alert for network traffic
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:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-09-28 16:22:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
11 of 26 (42.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 849 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
13ebc725f3f236e1914fe5288ad6413798ad99bef38bfe9c8c898181238e8a10
MD5 hash:
1b0e41f60564cccccd71347d01a7c397
SHA1 hash:
b1bddd97765e9c249ba239e9c95ab32368098e02
SH256 hash:
e92ab28708de4963155891bdd62c71874c2359f794819527e1e1a8acd30e4943
MD5 hash:
53fc00b42db768aebf5868f87f4299d1
SHA1 hash:
ace0e1e8d96e21e3b1887f96e3ed9efacfc4f745
SH256 hash:
e99458ebd23933338555907993fb3cbce8dc5a36fb57fd69e43703bdbc0fa340
MD5 hash:
fd611b535d6742c93108f1efd9b5424f
SHA1 hash:
138891cd92aa05c29765e36a1e0ca88ca229fa9a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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