MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129
SHA3-384 hash: 7bc03e6172ed7fa1e1e85f67590a74cd3ff7a4d6feddda0ef6549b423e3de48da099f64ac4ee1fa87389b66e25142b77
SHA1 hash: 0706b2ecec41fe1af96790fe82d0ea746134da2a
MD5 hash: 7817f076ff826896eea5d88826f1e0bf
humanhash: dakota-texas-virginia-delta
File name:ekstre.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:721'440 bytes
First seen:2024-02-14 13:05:32 UTC
Last seen:2024-02-14 14:31:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (388 x GuLoader, 59 x RemcosRAT, 44 x VIPKeylogger)
ssdeep 12288:9cgybdNrgTB1myD5W3swba2cQxifyvYMaQyLi6R/LohEdIxL33vfy:9Sbd0PgDcYiqvYML3eU33Hy
TLSH T182E412552B80CD13FB52033581E1F37C9B39EEA8295AC723AAF93C9F7635B959C28100
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) (4504/4/1)
File icon (PE):PE icon
dhash icon f8dcd8dceceeecc0 (6 x GuLoader)
Reporter abuse_ch
Tags:exe geo GuLoader signed TUR

Code Signing Certificate

Organisation:Spunsningen
Issuer:Spunsningen
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-17T03:15:50Z
Valid to:2026-05-16T03:15:50Z
Serial number: 69db57245c5db8398d8ead2bd6fe5c51e7691976
Thumbprint Algorithm:SHA256
Thumbprint: be798846e56406d68cce36181e3f507c965d213c7e79414f14db1e2b70d7dd71
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
304
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129.exe
Verdict:
Malicious activity
Analysis date:
2024-02-14 13:49:40 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/0edd3ba7-538f-43db-884b-ffa4974647c6

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/476159/
Detection(s):
SecuriteInfo.com.FileRepMalware.5272.20827.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
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
Using the Windows Management Instrumentation requests
Creating a file
Unauthorized injection to a recently created process
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65ccbac3bef28d0c6fb84f63/reports/ffba9b99-c87e-4727-bf2b-07c006ee88d6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129
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/bc8fee85-6326-4fe3-ae9a-751b465280d6
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392161
Signature
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hides threads from debuggers
Installs a global keyboard hook
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)
Suspicious powershell command line found
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 GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392161 Sample: ekstre.exe Startdate: 14/02/2024 Architecture: WINDOWS Score: 100 36 smtp.gmail.com 2->36 38 excelbuilding.co.uk 2->38 40 api.ipify.org 2->40 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 2 other signatures 2->56 8 ekstre.exe 30 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\Roaming\...\tmrer.tre, Apollo 8->22 dropped 24 C:\Users\user\AppData\Roaming\...\Dagenes.Ful, ASCII 8->24 dropped 26 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->26 dropped 58 Suspicious powershell command line found 8->58 12 powershell.exe 18 8->12         started        signatures6 process7 file8 28 C:\Users\user\AppData\Local\...behaviorgraphloedende.exe, PE32 12->28 dropped 60 Writes to foreign memory regions 12->60 62 Found suspicious powershell code related to unpacking or dynamic code loading 12->62 64 Hides threads from debuggers 12->64 66 Powershell drops PE file 12->66 16 Gloedende.exe 15 8 12->16         started        20 conhost.exe 12->20         started        signatures9 process10 dnsIp11 30 smtp.gmail.com 172.217.215.109, 49710, 49711, 49712 GOOGLEUS United States 16->30 32 api.ipify.org 172.67.74.152, 443, 49709 CLOUDFLARENETUS United States 16->32 34 excelbuilding.co.uk 107.180.48.201, 49708, 80 AS-26496-GO-DADDY-COM-LLCUS United States 16->34 42 Multi AV Scanner detection for dropped file 16->42 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->46 48 4 other signatures 16->48 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2024-02-14 13:06:08 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ladkt7yo4xxsh7ns27fz6ewdycvuw2nxp3w7hlxshb3hf6gm4euq._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/240214-qb4taace55/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Unpacked files
SH256 hash:
c4c6fe032f3cd8b31528d7b99661f85ee22cb78746aee98ec568431d4f5043f7
MD5 hash:
b55f7f1b17c39018910c23108f929082
SHA1 hash:
1601f1cc0d0d6bcf35799b7cd15550cd01556172
Link:
https://www.unpac.me/results/529287f4-1d4d-46b5-bf28-14dc2604b34a/
SH256 hash:
e69ee897084fcdaf301b710386853fe867c9ed036222be44ba7b5a080e828ffb
MD5 hash:
1a6d0cfb6b904c4bf63491728ce9cf06
SHA1 hash:
ad29426b4888c0f23b758d42320e1ad6cd731133
Link:
https://www.unpac.me/results/529287f4-1d4d-46b5-bf28-14dc2604b34a/
SH256 hash:
5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129
MD5 hash:
7817f076ff826896eea5d88826f1e0bf
SHA1 hash:
0706b2ecec41fe1af96790fe82d0ea746134da2a
Link:
https://www.unpac.me/results/529287f4-1d4d-46b5-bf28-14dc2604b34a/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5806a9ff0ee5/report/overview.html
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/5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129

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
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

GuLoader

Executable exe 5806a9ff0ee5ef23fdb2d7cb9f12c3c0ab4b69b77eedf3aef2387672f8cce129

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476159/

Comments