MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b
SHA3-384 hash: 048b786feff5f6ac1f0bb893a69a1b86f2d9770d1f018279e6b5170e0e47a16f57515f50d0d21a72935b8160756d2674
SHA1 hash: 1e0901600ccfefb6429ec39f563a667cd2bddb06
MD5 hash: 00729acb9a897bd8d76a463ed3b1fe92
humanhash: blue-lemon-edward-crazy
File name:8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b
Download: download sample
Signature GuLoader
Create hunting rule
File size:324'824 bytes
First seen:2022-08-04 10:28:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5f0c714c36e6cc016b3a1f4bc86559e4 (199 x GuLoader, 14 x Formbook, 4 x AgentTesla)
ssdeep 6144:31ssjRG26wDIrOy+zdWWLawtgC40PkOgYIMXnFh0eJ8fAn01qha9X:OsdGzSIyyqEwV48IMX70e1n0UQF
TLSH T1D6641213EB60CCB3D91217B518B867B1CFF9DB43A2E6280F5B680E51BD024D7951EAD2
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 60e4e6c2caa4a4c0 (2 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Concurrency Uniformerendes
Issuer:Concurrency Uniformerendes
Algorithm:sha256WithRSAEncryption
Valid from:2022-07-17T23:06:56Z
Valid to:2025-07-16T23:06:56Z
Serial number: -7bc211aa4c6754e1
Thumbprint Algorithm:SHA256
Thumbprint: 25bd2daa623b198588db7bfea058687e22c32c4917130bc07326237d3837d6af
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b
Verdict:
Malicious activity
Analysis date:
2022-08-04 10:27:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/18121869-4b49-4148-aa92-d281e79b68c3

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/296428/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the %temp% subdirectories
Delayed reading of the file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll wacatac
Link:
https://www.filescan.io/uploads/62eb9facb6d6be9f01c9e924/reports/65c69686-d182-4c04-87ec-5f86da75a61b/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/e8062e1e-7dfe-4551-972a-3769c204d7ef
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1046183
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b/
Threat name:
Win32.Packed.Krynis
Create hunting rule
Status:
Malicious
First seen:
2022-07-18 02:29:43 UTC
File Type:
PE (Exe)
Extracted files:
92
AV detection:
16 of 26 (61.54%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rxsey3k7hsa3ehfgci22odmhy4c4hndre7eycvri34pbwe2eumvq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/220804-mh8t2adgd8/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops file in System32 directory
Checks installed software on the system
Loads dropped DLL
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
Link:
https://www.unpac.me/results/c5e9acb7-2dfe-4231-9e5e-0cd506e91661/
SH256 hash:
8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b
MD5 hash:
00729acb9a897bd8d76a463ed3b1fe92
SHA1 hash:
1e0901600ccfefb6429ec39f563a667cd2bddb06
Link:
https://www.unpac.me/results/c5e9acb7-2dfe-4231-9e5e-0cd506e91661/
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/8de44c6d5f3c81b21ca61235a70d87c705c3b47127c9815628df1e1b1344a32b

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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/296428/

Comments