MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb51d2963c8c570ae8aa460410d20f33ee7e2317af95868b609d9a1d4ef35d9f. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fb51d2963c8c570ae8aa460410d20f33ee7e2317af95868b609d9a1d4ef35d9f
SHA3-384 hash: 77878784b39fd89a8504a94450cc5d2b73c5257fbb8dbba08753be1ed50fae75d6801ed1b58a76b5289a318b4327e509
SHA1 hash: 5b9713d58a7662d5ff41d00db3b08eb1b22cdf4e
MD5 hash: b8ec39eab79b7af390987e4a604e7990
humanhash: alaska-zebra-moon-angel
File name:SecuriteInfo.com.UDS.Trojan.Win32.Guloader.gen.15731.15
Download: download sample
Signature GuLoader
Create hunting rule
File size:409'032 bytes
First seen:2022-09-05 05:16:30 UTC
Last seen:2022-09-06 11:33:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ea4df5d94204fc550be1874e1b77ea7 (241 x GuLoader, 29 x RemcosRAT, 17 x VIPKeylogger)
ssdeep 6144:1B+pgU9qgSfDjDbxF6fU2xJ9PaQ7WU3XPABctanlXWPCaorOxCxTDq8D:1gYsmA/q+STDqA
Threatray 44 similar samples on MalwareBazaar
TLSH T16194E092B65888C3E83E13724C7A8D266772AD7A95E1121F325FF36A29B3353050F71D
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 b271e8cece6870b2 (19 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Boloism Acquisite
Issuer:Boloism Acquisite
Algorithm:sha256WithRSAEncryption
Valid from:2021-10-07T17:53:43Z
Valid to:2024-10-06T17:53:43Z
Serial number: 41585fe9d67d507d
Thumbprint Algorithm:SHA256
Thumbprint: 79882047bf271b071179f92b30beda7bf2377866b6f1e72eae4e461b8c0ec247
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
6
# of downloads :
364
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.UDS.Trojan.Win32.Guloader.gen.15731.15
Verdict:
Malicious activity
Analysis date:
2022-09-05 05:18:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4c0c5e34-dc25-46e0-940f-084b8d1ad0a8

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/307759/
Detection(s):
SecuriteInfo.com.UDS.Trojan.Win32.Guloader.gen.15731.15.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/36639/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll wacatac
Link:
https://www.filescan.io/uploads/6315868d2021c816b88e29ac/reports/f64836eb-f0e3-4900-9978-e9770ab13499/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/5353a31e-fae8-4d34-809f-925bae90cf4e
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1064887
Signature
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:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fb51d2963c8c570ae8aa460410d20f33ee7e2317af95868b609d9a1d4ef35d9f/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-09-05 00:13:48 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
8 of 26 (30.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ni5ffr4rrlqv2fkiycbbuqpgpxh4iyxv6kync3atwnb2txtlwpq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
595f2ae803f01eba157b6deff4687380346e15609e43cc05b541b527bb7292eb
GuLoader
67012c9555804fbfe82f17ee6d7d09196ed356053e2e778f49a998a4b718d6a6
GuLoader
770b1cd33ef4e592b96ff7b7f0031c81387b031904246341d1508a26e58bf1c8
GuLoader
867728410f8a0158bf19ee07f1001905aa803295cb9995a3a813fba7ef46770c
GuLoader
aba19cc38e4985676b27e5a87d4e11c8bdbb8ee25f27b0482512153bb8483f0c
GuLoader
b60f2abca2515ab7c447ab5b237a50c634357f7d4c9591b76c0b44829ad30460
GuLoader
dafdcd9e9b75c4d7187fcfb384788bf5925a1a3426eb7e6d3cc2147b5e9bdc66
GuLoader
dd39027f02b3a47cb2677440f59575089a0673f134cff175d908be574ebc80ac
GuLoader
dfdedc4060f4944298bcdf25778b7f7eaaef43fdae61238d7debf88825e66294
GuLoader
efc035ff598957f35768f2d84721bbec76633c60538eda9d5ec53092f4384237
GuLoader
+ 34 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220905-fypmrsebc9/
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
2e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
MD5 hash:
a4dd044bcd94e9b3370ccf095b31f896
SHA1 hash:
17c78201323ab2095bc53184aa8267c9187d5173
Link:
https://www.unpac.me/results/bfe8cf4a-2f78-412f-a50a-a67037f0121a/
SH256 hash:
fb51d2963c8c570ae8aa460410d20f33ee7e2317af95868b609d9a1d4ef35d9f
MD5 hash:
b8ec39eab79b7af390987e4a604e7990
SHA1 hash:
5b9713d58a7662d5ff41d00db3b08eb1b22cdf4e
Link:
https://www.unpac.me/results/bfe8cf4a-2f78-412f-a50a-a67037f0121a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/fb51d2963c8c570ae8aa460410d20f33ee7e2317af95868b609d9a1d4ef35d9f

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/307759/

Comments