MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9979157caf31a2349ad5512d9aa7e749649232ceb16f9c410655438fa87de552. 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 1 File information Comments

SHA256 hash: 9979157caf31a2349ad5512d9aa7e749649232ceb16f9c410655438fa87de552
SHA3-384 hash: ec5f7e6cd9a0fea17f177b7f1a172ebbd2c61b4b6f22654d3cca26e52031a507f30b480b1b1b3b3454c9c451923c56be
SHA1 hash: 280491ada654d225545049d2a70a509a940fc599
MD5 hash: 40fe947a52ed9d0f39f5e0aed0ee1a46
humanhash: maine-nuts-arkansas-yellow
File name:SecuriteInfo.com.Variant.Tedy.164012.9523.8511
Download: download sample
Signature GuLoader
File size:629'624 bytes
First seen:2022-07-14 08:45:36 UTC
Last seen:2022-07-14 09:28:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla)
ssdeep 12288:jq7z1t/eznAsgmtqDRzKK9FkJYlgzaRs5+DEOn6rqGRGKz2ny:27T2zAn9vsh+AO6rc
TLSH T1ECD412523A64D863D4001B32CEA4C7F88B65FD42CE60570B37D53F5E7E73A81AE1A286
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 4bc498327090a828 (4 x Formbook, 2 x GuLoader, 1 x Neshta)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Reread2 Tabelnavnet9 skarnbokse Afgraens
Issuer:Reread2 Tabelnavnet9 skarnbokse Afgraens
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-14T06:28:25Z
Valid to:2023-07-14T06:28:25Z
Serial number: -4f8a619c240c25f5
Thumbprint Algorithm:SHA256
Thumbprint: b6bdc9e86d76494311cc156b1eb9358b1dbd0ebcf62a18dbe31d71e9d2b2df26
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
300
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Tedy.164012.9523.8511
Verdict:
Malicious activity
Analysis date:
2022-07-14 08:53:06 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% subdirectories
Searching for the window
Delayed reading of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
buer
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:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
C2 URLs / IPs found in malware configuration
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2022-07-14 07:41:12 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook cloudeye
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
SH256 hash:
6be1cd39951cac5c3077b2d03d17252cc9ede2c0555d652565bcc54ca8d36f23
MD5 hash:
1acb9eda105593bbd1004e3ef73e83b8
SHA1 hash:
82eb7ea55d8dbafbfd79ff613b02ae6a5e90d959
SH256 hash:
9979157caf31a2349ad5512d9aa7e749649232ceb16f9c410655438fa87de552
MD5 hash:
40fe947a52ed9d0f39f5e0aed0ee1a46
SHA1 hash:
280491ada654d225545049d2a70a509a940fc599
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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information


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

Comments