MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 53023be2fcec8386a9861d6eac232020a1a9c0804fe9293e5fc206e8f19b4575. 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: | 53023be2fcec8386a9861d6eac232020a1a9c0804fe9293e5fc206e8f19b4575 |
|---|---|
| SHA3-384 hash: | 27f4bda67d2cdec8f909ed7c4e34bc704b443f232ad6c4464c5b8205a47077a78448248d715c7b56a72b8503a234554e |
| SHA1 hash: | f7eae42a25a3f68d5e4fe3da3ff1fa3bf271e614 |
| MD5 hash: | fdac718c0e57318c84d1eee535862a2d |
| humanhash: | nitrogen-stairway-wolfram-cold |
| File name: | WSNLBQSCPK2023.com |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 489'201 bytes |
| First seen: | 2023-05-03 10:46:01 UTC |
| Last seen: | 2023-05-03 11:41:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 93dfc16ed07ebeb5b405221f10d12c0e (30 x GuLoader, 4 x RemcosRAT, 1 x AgentTesla) |
| ssdeep | 12288:0641PFByXaSsfI+uZo9wIUoMAECJuAeCh2PpJP:h4FyqA/IOCJuAeM2P/P |
| Threatray | 24 similar samples on MalwareBazaar |
| TLSH | T182A4DFC62A90D7B7F941347490A362FE06317F06C598A2C3B71C7E5A3AF4D9C6A16387 |
| 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) |
| Reporter |  abuse_ch |
| Tags: | com exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
257
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WSNLBQSCPK2023.IMG
Verdict:
Malicious activity
Analysis date:
2023-03-16 17:44:19 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Mass process execution to delay analysis
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)
Submitted file has a suspicious file extension
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2023-02-26 22:58:08 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
20 of 37 (54.05%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 14 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Unpacked files
SH256 hash:
ec156cb0f64588f8c34a7d45c57b250779143cf3816081829810a017f0cf966f
MD5 hash:
b3017435b63a99f6a3037cfe0c7c8b1e
SHA1 hash:
41a582b60f099b65f95ac64e1a5cdce0356a6b6f
SH256 hash:
9352c8971d0046a5526da1889f841eab8ef695e4786b6656f06af289cf32de44
MD5 hash:
402792a47412801287bc610a15cd6076
SHA1 hash:
f2990ac9e903bec596266bf1a1c340ec90ed4ee6
SH256 hash:
53023be2fcec8386a9861d6eac232020a1a9c0804fe9293e5fc206e8f19b4575
MD5 hash:
fdac718c0e57318c84d1eee535862a2d
SHA1 hash:
f7eae42a25a3f68d5e4fe3da3ff1fa3bf271e614
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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