MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fd8c33a5491be40bb0685430728361feb280f92f318f7f0a327bd63fca86f99. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fd8c33a5491be40bb0685430728361feb280f92f318f7f0a327bd63fca86f99
SHA3-384 hash: ce950b70858c267b1104607006671754c6184acb34bf6d6c4ff7ab1ca5fc517959c8dd8e8fecfcd40d21b896e9bf9717
SHA1 hash: a094f453db910743946169545232e86057ec9b32
MD5 hash: ed7706ef05c9fbd0714e7501cb23037a
humanhash: finch-louisiana-potato-wisconsin
File name:Updrag.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:386'824 bytes
First seen:2022-08-31 12:45:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e2a592076b17ef8bfb48b7e03965a3fc (385 x GuLoader, 58 x RemcosRAT, 40 x AgentTesla)
ssdeep 6144:nLsBN8xoIiL54j0CCRALS9f1nNtfIU7k0Ize1XOk1jEyGrbwKWkJ3CPD:wBoj0CfuN1XCznk16J3aD
TLSH T1AD84F19275545CD3E8AD983294274BFA1B347C7A9784562332DABF377863382C70E21E
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 7c5ccdbf8eacd4d4 (3 x GuLoader)
Reporter malwarelabnet
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Naphthous Serieresonans Presseaktiviteternes
Issuer:Naphthous Serieresonans Presseaktiviteternes
Algorithm:sha256WithRSAEncryption
Valid from:2021-09-09T08:02:02Z
Valid to:2024-09-08T08:02:02Z
Serial number: -33b8fd506d6ea357
Thumbprint Algorithm:SHA256
Thumbprint: 112e0116c82ae2ce3a97ae0c2c99ee3ac6866d378dab9024a84ea5d94872f321
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
282
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/306835/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61632163.12526.4568.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/36169/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/630f58552fdf5a0825950ad3/reports/4e8c6860-f441-464c-a09d-b1c972ef6565/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.
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1061552
Behaviour
Behavior Graph:
n/a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5fd8c33a5491be40bb0685430728361feb280f92f318f7f0a327bd63fca86f99/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-08-31 12:46:07 UTC
File Type:
PE (Exe)
Extracted files:
85
AV detection:
23 of 40 (57.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l7mmgosusg7eboygqvbqokbwd7vsqd4s6mmpp4fde66wh7fin6mq._file
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220831-pzmdgagaf5/
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
MD5 hash:
17ed1c86bd67e78ade4712be48a7d2bd
SHA1 hash:
1cc9fe86d6d6030b4dae45ecddce5907991c01a0
Link:
https://www.unpac.me/results/e8afc9a3-eac5-4d32-9dea-57cfa79cc2a4/
SH256 hash:
5fd8c33a5491be40bb0685430728361feb280f92f318f7f0a327bd63fca86f99
MD5 hash:
ed7706ef05c9fbd0714e7501cb23037a
SHA1 hash:
a094f453db910743946169545232e86057ec9b32
Link:
https://www.unpac.me/results/e8afc9a3-eac5-4d32-9dea-57cfa79cc2a4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/5fd8c33a5491be40bb0685430728361feb280f92f318f7f0a327bd63fca86f99

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/306835/

Comments