MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 466a8e22e7c7b6f48e4ad215d7366ef595748a37f4ce4a50449ecc89fbe16d2b. 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: 12


Intelligence 12 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 466a8e22e7c7b6f48e4ad215d7366ef595748a37f4ce4a50449ecc89fbe16d2b
SHA3-384 hash: 84b31494f5eb9ef828def82e4336c5c21c93886c9ef96761d7b32eeb88ff940f7d8873963443014cc9ebef498165aa28
SHA1 hash: 19754665ebc727345946b17c44fde7f10febaf80
MD5 hash: bd711b4e1a0e7eceb7dbbecb15c34cbd
humanhash: twelve-lima-london-seventeen
File name:bd711b4e1a0e7eceb7dbbecb15c34cbd
Download: download sample
Signature GuLoader
Create hunting rule
File size:281'584 bytes
First seen:2022-09-20 14:50:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (525 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:FRlWoFJYwFtD50BsQ0U0D/i0sMvd2gGLBEciYY8FqI4C:fkw90BAfIwdGVt39
Threatray 2'952 similar samples on MalwareBazaar
TLSH T18E54010136BCC4C2D76A0B7E983698B5D56BBD172EA4070B2750BBBD78722B38118F54
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):PE icon
dhash icon 8c03f09cec7082d4 (8 x GuLoader)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-17T22:53:40Z
Valid to:2025-05-16T22:53:40Z
Serial number: 70cb7946297e14fd
Thumbprint Algorithm:SHA256
Thumbprint: 4f5a7b6cd92cbada66a602f1388c9e84494ed82e847bdb7e746c204960f6692e
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
581
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
G3245co.xlsx
Verdict:
Malicious activity
Analysis date:
2022-09-20 06:14:05 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/7c80f681-3854-402a-9623-f0adfacacb8c

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/311714/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.9831.13235.3028.UNOFFICIAL
Create hunting rule

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
Link:
https://dragonfly.certego.net/analysis/38276/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6329d33ad7368628f1c0a227/reports/04183ace-5b74-41d8-a3b1-043226b6f380/overview
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
Link:
https://analyze.intezer.com/analyses/2f20c31b-35f5-46b8-8b75-ca3acd87bd89
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1073808
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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)
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 706345 Sample: 4mD5t9RXHS.exe Startdate: 20/09/2022 Architecture: WINDOWS Score: 100 85 api.telegram.org 2->85 91 Multi AV Scanner detection for submitted file 2->91 93 Yara detected GuLoader 2->93 95 Yara detected Telegram RAT 2->95 97 3 other signatures 2->97 10 4mD5t9RXHS.exe 1 34 2->10         started        14 napp.exe 2->14         started        16 napp.exe 2->16         started        signatures3 process4 file5 77 C:\Users\user\AppData\Roaming\...\Office.dll, PE32 10->77 dropped 79 C:\Users\user\AppData\...\BtTray.Toolkit.dll, PE32+ 10->79 dropped 81 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 10->81 dropped 83 C:\Users\user\AppData\Local\...\System.dll, PE32 10->83 dropped 107 Writes to foreign memory regions 10->107 109 Mass process execution to delay analysis 10->109 111 Tries to detect Any.run 10->111 18 CasPol.exe 10->18         started        23 powershell.exe 10->23         started        25 powershell.exe 10->25         started        31 126 other processes 10->31 27 conhost.exe 14->27         started        29 conhost.exe 16->29         started        signatures6 process7 dnsIp8 87 api.telegram.org 149.154.167.220, 443, 49759 TELEGRAMRU United Kingdom 18->87 89 85.31.46.80, 49758, 80 CLOUDCOMPUTINGDE Germany 18->89 75 C:\Users\user\AppData\Roaming\napp\napp.exe, PE32 18->75 dropped 99 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->99 101 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->101 103 Tries to steal Mail credentials (via file / registry access) 18->103 105 6 other signatures 18->105 33 conhost.exe 18->33         started        35 conhost.exe 23->35         started        47 2 other processes 23->47 37 conhost.exe 25->37         started        39 conhost.exe 25->39         started        41 conhost.exe 31->41         started        43 conhost.exe 31->43         started        45 conhost.exe 31->45         started        49 135 other processes 31->49 file9 signatures10 process11 process12 51 conhost.exe 35->51         started        53 conhost.exe 37->53         started        55 conhost.exe 41->55         started        57 conhost.exe 41->57         started        59 conhost.exe 43->59         started        61 conhost.exe 45->61         started        63 conhost.exe 49->63         started        65 conhost.exe 49->65         started        67 12 other processes 49->67 process13 69 conhost.exe 53->69         started        71 conhost.exe 55->71         started        73 conhost.exe 59->73         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/466a8e22e7c7b6f48e4ad215d7366ef595748a37f4ce4a50449ecc89fbe16d2b/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-09-20 07:21:57 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=izvi4ixhy63pjdsk2ik5onto6wkxjcrx6theuucet3git67bnuvq._file
Verdict:
malicious
Similar samples:
088999945f71cb731f4fa4d6e73591ecdf1829306a6dca66be75947fc0c8d00b
GuLoader
60952b7b0b3edeb47b07f1d2a0fb87856b165550e47c605c4ef4fb1da699a332
GuLoader
6b1df4cb218093a57a5646f0d6ece41d548fae6cce51d90d1540686d747069b6
GuLoader
8f4d63fea00eca6d91147de6a10b7aae6069f164ef00d5986eff571249552dae
GuLoader
9fff2ab375e26431e4cd6f35aa3b1446a4cba8ec78d0bd61bde694ee6474ded4
GuLoader
a89c531ad157965de03cf15ab2783f0b24e6db0981556a7bf5ad8fe5c7d66ef5
GuLoader
b5bcbfe8ba02879ac963d4f9ed48203c934e80edb58b814129ad836544f2c3a3
GuLoader
d87e7752ee36b46b902d88317b5c5b172927760a4f171c95f812991ec62ae963
GuLoader
ed20ff85f5df587140e0780e16a5eb28df94e1b6330c8256de39d94b5a772e83
GuLoader
f857890d674a9d4abd8ef6d735c7c03eef0a75777c64cb4a62917d12b68dcbfa
GuLoader
+ 2'942 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220920-r75wwshaep/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Blocklisted process makes network request
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/acaf57e3-5b69-4430-8981-de612a086974
Unpacked files
SH256 hash:
8bdd996ae4778c6f829e2bcb651c55efc9ec37eeea17d259e013b39528dddbb6
MD5 hash:
3d366250fcf8b755fce575c75f8c79e4
SHA1 hash:
2ebac7df78154738d41aac8e27d7a0e482845c57
Link:
https://www.unpac.me/results/65cb3cb5-7f85-4ba4-8398-1cbb5d9d46ea/
SH256 hash:
9fae3524cf580259336f307bc46247580917ba44883ff33b0411638b175d4ca3
MD5 hash:
b8f12651b202ba487210d3c244550044
SHA1 hash:
ede544c504f8049bd106e48a9a5472257f0b6704
Link:
https://www.unpac.me/results/65cb3cb5-7f85-4ba4-8398-1cbb5d9d46ea/
SH256 hash:
1f84e77a84202506a3a9939f2844a9249555a83bbd136eb1b03c01e264ea9089
MD5 hash:
86a6571699ac5cff93bfd000be47b83e
SHA1 hash:
f95916d651fda936e24e341ce2ea98eff17cc06e
Link:
https://www.unpac.me/results/65cb3cb5-7f85-4ba4-8398-1cbb5d9d46ea/
SH256 hash:
bb7e367bee3e91651d444db3c2f0997de914650547c66473bb201a2724d49196
MD5 hash:
6ea4aa54a7837e790c0b822dc8c27cd6
SHA1 hash:
1ed173163c496c482b36ef737fb6832e2b82cb6e
Link:
https://www.unpac.me/results/65cb3cb5-7f85-4ba4-8398-1cbb5d9d46ea/
SH256 hash:
466a8e22e7c7b6f48e4ad215d7366ef595748a37f4ce4a50449ecc89fbe16d2b
MD5 hash:
bd711b4e1a0e7eceb7dbbecb15c34cbd
SHA1 hash:
19754665ebc727345946b17c44fde7f10febaf80
Link:
https://www.unpac.me/results/65cb3cb5-7f85-4ba4-8398-1cbb5d9d46ea/
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/466a8e22e7c7b6f48e4ad215d7366ef595748a37f4ce4a50449ecc89fbe16d2b

File information

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

Web download

GuLoader

Executable exe 466a8e22e7c7b6f48e4ad215d7366ef595748a37f4ce4a50449ecc89fbe16d2b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2308273/
Cape
Cape
https://www.capesandbox.com/analysis/311714/

Comments


Avatar
zbet commented on 2022-09-20 14:50:12 UTC

url : hxxp://192.3.173.102/WWL.exe