MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 006bf1bbcce9975a267a47c57b2418d136c87dcc0ad30a604e8fa8f99f74d568. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 006bf1bbcce9975a267a47c57b2418d136c87dcc0ad30a604e8fa8f99f74d568
SHA3-384 hash: 14cb84fcdb83dd7b6e68da7208132312c9497f49f56055ccc6a43a523f88930f97d7360e3d7dbb86d7e052bf90c9733c
SHA1 hash: 1b7c067c5672839844553c8e62bdb8c0beb3e36f
MD5 hash: 366e35731abb231a09e25dc7e7e95898
humanhash: sixteen-fix-yankee-single
File name:TRF9107779.exe
Download: download sample
Signature GuLoader
File size:559'608 bytes
First seen:2023-11-13 14:25:52 UTC
Last seen:2023-11-14 12:37:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f23f452093b5c1ff091a2f9fb4fa3e9 (282 x GuLoader, 37 x RemcosRAT, 27 x VIPKeylogger)
ssdeep 12288:cImEcvtDAQ67pDuku/ZRP99OENXxEA1JTD+6ctTFMvJWvd83V:cpVvNJ67FvsRPnOExmYiNivqmV
Threatray 492 similar samples on MalwareBazaar
TLSH T122C402D43BC29472C437CE33DBB6AFA1AE700E971DD8EDD34540670B2A72B51580A66B
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 James_inthe_box
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-12-24T11:48:26Z
Valid to:2025-12-23T11:48:26Z
Serial number: 5cac76cd7c550dc0f8da7433a20770f3dc016d4a
Thumbprint Algorithm:SHA256
Thumbprint: 653e856fa2cfdfcfa3ccb815b87620b96ce7f32ad465062a93d4dc354def4682
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
333
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
TRF9107779.exe
Verdict:
Malicious activity
Analysis date:
2023-11-13 14:26:51 UTC
Tags:
stealer agenttesla

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
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 AgentTesla
Yara detected AntiVM3
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1341735 Sample: TRF9107779.exe Startdate: 13/11/2023 Architecture: WINDOWS Score: 100 22 server1.sqsendy.shop 2->22 24 fp2e7a.wpc.phicdn.net 2->24 26 4 other IPs or domains 2->26 34 Multi AV Scanner detection for domain / URL 2->34 36 Found malware configuration 2->36 38 Antivirus detection for URL or domain 2->38 40 6 other signatures 2->40 8 TRF9107779.exe 1 31 2->8         started        signatures3 process4 process5 10 powershell.exe 20 8->10         started        file6 20 C:\Users\user\AppData\...\TRF9107779.exe, PE32 10->20 dropped 42 Writes to foreign memory regions 10->42 44 Maps a DLL or memory area into another process 10->44 46 Found suspicious powershell code related to unpacking or dynamic code loading 10->46 48 Powershell drops PE file 10->48 14 MSBuild.exe 15 8 10->14         started        18 conhost.exe 10->18         started        signatures7 process8 dnsIp9 28 server1.sqsendy.shop 63.250.35.178, 49739, 587 NAMECHEAP-NETUS United States 14->28 30 api4.ipify.org 64.185.227.156, 443, 49738 WEBNXUS United States 14->30 32 coinnbaservgloalpha.grgurina.com 199.204.248.133, 443, 49737 AS17054US United States 14->32 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->52 54 Tries to steal Mail credentials (via file / registry access) 14->54 56 Tries to harvest and steal browser information (history, passwords, etc) 14->56 signatures10
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-11-13 11:00:35 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Guloader,Cloudeye
Unpacked files
SH256 hash:
006bf1bbcce9975a267a47c57b2418d136c87dcc0ad30a604e8fa8f99f74d568
MD5 hash:
366e35731abb231a09e25dc7e7e95898
SHA1 hash:
1b7c067c5672839844553c8e62bdb8c0beb3e36f
Please note that we are no longer able to provide a coverage score for Virus Total.

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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

  
Delivery method
Other

Comments