MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4
SHA3-384 hash: eddc1008a28c55ff5af94be8cb156aff47305062bdf5e8c2253a9f0ebd04dfbbccf778b58042fae7766072e868627bbe
SHA1 hash: b68dd5edfa58283488c7de3eeed549cc2cf34ace
MD5 hash: 46b01a46c54eae7a4a22df08acd2148d
humanhash: eight-foxtrot-artist-three
File name:E-dekont.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:588'984 bytes
First seen:2024-02-19 10:10:44 UTC
Last seen:2024-02-20 11:27:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e9c0657252137ac61c1eeeba4c021000 (55 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep 12288:FmWRppHy/X3hRbetbLiiJTFoAtV9Tj20z168E7rg3ONKUH1:FmWRYhR6tbRJTFjTjxzk8QOyH1
TLSH T10BC4231D11C06467C1C786F163FF2AE4D6B6AB552568D24B2FA89F3BCEB534B8C03486
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe geo GuLoader signed TUR

Code Signing Certificate

Organisation:Brite
Issuer:Brite
Algorithm:sha256WithRSAEncryption
Valid from:2023-10-12T07:59:07Z
Valid to:2026-10-11T07:59:07Z
Serial number: 31f2e3bc07d56f87c447f98904d8a54a65f63183
Thumbprint Algorithm:SHA256
Thumbprint: 421126d55768153329f8d771f046cdd3f493a863183618c81e066319e4ab062a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
297
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/476767/
Detection(s):
SecuriteInfo.com.HEUR.Trojan-Downloader.Win32.Minix.gen.25233.32479.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files 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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65d3293a22703c3491a5731c/reports/d6a24e4d-e1c5-4011-b842-f363c0a31dc5/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e51e30f-4a0f-4def-91f2-e961c97ed45c
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1394465
Signature
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Installs a global keyboard hook
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)
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: 1394465 Sample: E-dekont.exe Startdate: 19/02/2024 Architecture: WINDOWS Score: 100 34 smtp.gmail.com 2->34 36 excelbuilding.co.uk 2->36 38 api.ipify.org 2->38 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 3 other signatures 2->54 8 E-dekont.exe 4 52 2->8         started        signatures3 process4 file5 22 C:\Users\user\...\Blyantstegninger.Mum, ASCII 8->22 dropped 24 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->24 dropped 56 Suspicious powershell command line found 8->56 12 powershell.exe 19 8->12         started        signatures6 process7 file8 26 C:\Users\user\AppData\...\Mikrodatamatens.exe, PE32 12->26 dropped 58 Writes to foreign memory regions 12->58 60 Found suspicious powershell code related to unpacking or dynamic code loading 12->60 62 Powershell drops PE file 12->62 16 Mikrodatamatens.exe 15 8 12->16         started        20 conhost.exe 12->20         started        signatures9 process10 dnsIp11 28 smtp.gmail.com 172.253.62.109, 49717, 49718, 49719 GOOGLEUS United States 16->28 30 api.ipify.org 104.26.12.205, 443, 49716 CLOUDFLARENETUS United States 16->30 32 excelbuilding.co.uk 107.180.48.201, 49715, 80 AS-26496-GO-DADDY-COM-LLCUS United States 16->32 40 Multi AV Scanner detection for dropped file 16->40 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->44 46 3 other signatures 16->46 signatures12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-18 23:35:58 UTC
File Type:
PE (Exe)
Extracted files:
15
AV detection:
11 of 38 (28.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wkxn6hpfh3lorm2b57bgx6qga2fayhopubfpstmzrtwrqvdk2xka._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/240219-l7y6fsce82/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
49b7477db8dd22f8cf2d41ee2d79ce57797f02e8c7b9e799951a6c710384349a
MD5 hash:
293165db1e46070410b4209519e67494
SHA1 hash:
777b96a4f74b6c34d43a4e7c7e656757d1c97f01
Link:
https://www.unpac.me/results/9e96ce97-715e-450e-80c9-e27e45150ac7/
SH256 hash:
a6fe62d19b2b0f608fe3367ba5612742b9ff248b91a32b13fe189c891a22a00d
MD5 hash:
729168d16501390f6b7d92edb38886c4
SHA1 hash:
d244dc2a6325b22a02372c2b8e01ef4a3e51d10c
Link:
https://www.unpac.me/results/9e96ce97-715e-450e-80c9-e27e45150ac7/
SH256 hash:
4cf577331ed870ed0107b5b1a41c32f5fc1b770630211733831c438011149367
MD5 hash:
93a9bb0f7da939c804bc73f69213c49e
SHA1 hash:
e0ac36a2c2343ed342a3bc25d7f2be9f317c20a8
Link:
https://www.unpac.me/results/9e96ce97-715e-450e-80c9-e27e45150ac7/
SH256 hash:
b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4
MD5 hash:
46b01a46c54eae7a4a22df08acd2148d
SHA1 hash:
b68dd5edfa58283488c7de3eeed549cc2cf34ace
Link:
https://www.unpac.me/results/9e96ce97-715e-450e-80c9-e27e45150ac7/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b2aedf1de53e/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/b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
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 b2aedf1de53ed6e8b341efc26bfa06068a0c1dcfa04af94d998ced18546ad5d4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476767/

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