MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08533048df5df59babe40fe5a07ffb50c0bf4e89970a7125d447f2c952dc5f55. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 08533048df5df59babe40fe5a07ffb50c0bf4e89970a7125d447f2c952dc5f55
SHA3-384 hash: 48b1885970b484d625be00fd8ce217f67d3a0dbce8ecde71bf77018598baef02cc33ab51380097529f7e4b70891aa184
SHA1 hash: 030ee1809d1f4abadef745dec067da3615d21999
MD5 hash: 6ee730b414fdd2200116a06c32d17c9b
humanhash: south-speaker-kilo-connecticut
File name:08533048df5df59babe40fe5a07ffb50c0bf4e89970a7125d447f2c952dc5f55
Download: download sample
Signature GuLoader
Create hunting rule
File size:401'376 bytes
First seen:2022-10-10 13:05:38 UTC
Last seen:2022-10-10 14:19:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep 6144:5QLFhNhIcoLQYL3i8z2aPvMmd9rNUeSxtXYA1SeIrSLrGeyg7W1oZiL:CFnhIfQYu86a3Pd9RUHTXBoe5ygkoZY
Threatray 455 similar samples on MalwareBazaar
TLSH T1F0849D535A940D7FC19F67F796C7A2087A7C9EA013B34E5A06A05503AC04FEF1AEED84
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)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-09-26T16:29:24Z
Valid to:2025-09-25T16:29:24Z
Serial number: 56280806eca741ff
Thumbprint Algorithm:SHA256
Thumbprint: f6ef9e7be3c7fcd2f410970d068ea69dc4041f05279e835dbf17c8dceee7a8d4
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
08533048df5df59babe40fe5a07ffb50c0bf4e89970a7125d447f2c952dc5f55
Verdict:
Malicious activity
Analysis date:
2022-10-10 13:04:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7910bba5-5b1e-4999-bf9f-c15231cd5aed

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/318417/
Detection(s):
SecuriteInfo.com.Trojan.GenericFCA.Agent.50872.7487.15137.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
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/42242/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/634418bd1565eeb6424f3ec5/reports/b528ee45-8c5d-4542-b72a-2f48acff840e/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/5f022cb5-f60e-43f3-8ec0-b7722df6781c
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1086868
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/08533048df5df59babe40fe5a07ffb50c0bf4e89970a7125d447f2c952dc5f55/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2022-09-27 08:01:49 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bbjtasg7lx2zxk7eb7s2a773kdal6tujs4fhcjoui7zmsuw4l5kq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
07a313a7a49c4b8c0fafa65f3779a32ffa3f8cd52073fc38a657189839b91668
GuLoader
194fe792044279124a5e298a697897e99df0dd83f7c51d6bee295b447810531d
GuLoader
2db8a74e308420eb383bc8c609a8652b7a46fc70119cf5152259592c2dcf27fa
GuLoader
42ca73a2f64b86c9e59cc795eaf28450bdfd1149a35b052e2a8baf1b47e82204
GuLoader
4a37a38711e333170654b8a7f194d33b65a31f573a99db3ea52c3a14bd8a053c
GuLoader
7f6ab9c1ee0cee3b51e076a98ad0b05416e87de438d475a8137d80405f75ac24
GuLoader
d83f380bd1ed387ecadd99204ea1985ed04f2801b5b592a1fb7003ab57052103
GuLoader
ecf35c263f07ed5edff0da4bd10a3840df35cc52b9300dbd1ab3de0170d9e9cc
GuLoader
edb9be523929b3b4f6b3cb5d700bd7bfd4baf125fb19efd05bede6fd20648b24
GuLoader
f75f2eff7ffa6301ab74cde10a6927d2fd7e4bdc4ff63c70ecafc12360f0a78e
GuLoader
+ 445 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/221010-qb3wzsbhb4/
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dadc6fb5-a616-4e53-939c-e9025bcfca81
Unpacked files
SH256 hash:
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
MD5 hash:
0063d48afe5a0cdc02833145667b6641
SHA1 hash:
e7eb614805d183ecb1127c62decb1a6be1b4f7a8
Link:
https://www.unpac.me/results/c935e742-2784-4158-98e4-9547b8afb508/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
SH256 hash:
aebd7050df19cb363e3fade84fa9e00097f25289e423be212b3a36c8812de444
MD5 hash:
a90d9817ec0577e8390a179fa854e260
SHA1 hash:
3c25360af71d064885af3bc667f732030a4aade0
Link:
https://www.unpac.me/results/c935e742-2784-4158-98e4-9547b8afb508/
SH256 hash:
08533048df5df59babe40fe5a07ffb50c0bf4e89970a7125d447f2c952dc5f55
MD5 hash:
6ee730b414fdd2200116a06c32d17c9b
SHA1 hash:
030ee1809d1f4abadef745dec067da3615d21999
Link:
https://www.unpac.me/results/c935e742-2784-4158-98e4-9547b8afb508/
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/08533048df5df59babe40fe5a07ffb50c0bf4e89970a7125d447f2c952dc5f55

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/318417/

Comments