MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63e8c18d647c49586bbea5bebed20a710bf669a3282846efbe053690e563c84b. 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: 63e8c18d647c49586bbea5bebed20a710bf669a3282846efbe053690e563c84b
SHA3-384 hash: 6eced1129b0e4017d60b99df31efe5a482452e6c2f6dfdb40d09aabf39eb2a6173e875ad43548182ea67ac5fb4812f06
SHA1 hash: 1c2968592792980cd510411e96b170cba40c0442
MD5 hash: b368213918f680304b6e06ee5181e770
humanhash: solar-tango-north-blue
File name:SecuriteInfo.com.Generic.ML.PUA.21127
Download: download sample
Signature GuLoader
Create hunting rule
File size:980'016 bytes
First seen:2022-09-27 14:26:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 24576:ce9pR5JGb95DdyQoCiyu2gnY5MWL2m2D2l6L519JbdRJcp+71bn:b9b85DYQ0yR4Y5MWam2oMPbnp1L
TLSH T1272523537A31D6B3E7A757334F839BEADEE20D4C049424DA1B80B7697EBA5C6B00D250
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 d8ef4d5cbc208c14 (2 x GuLoader)
Reporter SecuriteInfoCom
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-09-21T01:18:03Z
Valid to:2025-09-20T01:18:03Z
Serial number: 1f02f45c88bb7528
Thumbprint Algorithm:SHA256
Thumbprint: 31b5b7c880be9b16af25e7f1a2100f98beebcbcbd931c1f0b143ad283d6911d9
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/314005/
Detection(s):
SecuriteInfo.com.Generic.ML.PUA.21127.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Searching for the window
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Delayed writing of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/39503/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
60%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63330837665fcdb8807a3624/reports/4f1bbaa7-388a-4e65-9bb8-05dad308258e/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/61284191-a954-4de9-9d83-2b57f9ff8b8b
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1078378
Signature
Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS)
Multi AV Scanner detection for submitted file
Obfuscated command line found
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710921 Sample: SecuriteInfo.com.Generic.ML... Startdate: 27/09/2022 Architecture: WINDOWS Score: 64 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected GuLoader 2->37 7 SecuriteInfo.com.Generic.ML.PUA.21127.exe 3 82 2->7         started        process3 file4 27 C:\Users\user\AppData\Local\...\MsMpEng.exe, PE32+ 7->27 dropped 29 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 7->29 dropped 31 C:\Users\user\AppData\...\FileTransfer.dll, PE32+ 7->31 dropped 33 3 other files (none is malicious) 7->33 dropped 39 Obfuscated command line found 7->39 41 Drops or copies MsMpEng.exe (Windows Defender, likely to bypass HIPS) 7->41 11 cmd.exe 1 7->11         started        13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        17 cmd.exe 1 7->17         started        signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/63e8c18d647c49586bbea5bebed20a710bf669a3282846efbe053690e563c84b/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-09-27 11:37:08 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
6 of 26 (23.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mpumddleprevq256uw7l5uqkoef7m2ndfauen356au3jbzldzbfq._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/220927-rseq6adfe6/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
a0cac4cf4852895619bc7743ebeb89f9e4927ccdb9e66b1bcd92a4136d0f9c77
MD5 hash:
b0c77267f13b2f87c084fd86ef51ccfc
SHA1 hash:
f7543f9e9b4f04386dfbf33c38cbed1bf205afb3
Link:
https://www.unpac.me/results/75f990db-a18b-40c0-bc4e-caeefa382dfb/
SH256 hash:
78ea1ace36c07894fd0cc62821bd0772fc40381a0527b0cf48b287d66e259ff4
MD5 hash:
525666d03607a87218968e23a72e7467
SHA1 hash:
cdebc8a7241faa88ed3562d3ed6009523197b541
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/75f990db-a18b-40c0-bc4e-caeefa382dfb/
SH256 hash:
480184452f80f632d70a41d259f5c014215c9f858ced981910c363fe573cc49f
MD5 hash:
a54db25f487ef61a667174fa55d0e8d2
SHA1 hash:
d97a4065013ebaf7fd6858d2cb4ab21016c32eee
Detections:
win_flawedammyy_auto
Create hunting rule
Link:
https://www.unpac.me/results/75f990db-a18b-40c0-bc4e-caeefa382dfb/
Parent samples :
63e8c18d647c49586bbea5bebed20a710bf669a3282846efbe053690e563c84b
35dab11414d17ad15b9992ba51ad57fc768fd3f4fc449d50fce08b2c46cbe270
cba8e79b90c98fe396da2d0243e1c98b13bdf586b8e60034be52fe6efdc42ce8
20343f047964ef95901941b2406ee66ec976e2d849abbe991f94b6a0fe634881
22a936860e45162049f713f1305e801899f8eb47a13fdb3504cf978a456efc16
588cdd2ac6167b34eaac919a31bf18ca7831183da6b1c2eccc5966808c2b3733
SH256 hash:
63e8c18d647c49586bbea5bebed20a710bf669a3282846efbe053690e563c84b
MD5 hash:
b368213918f680304b6e06ee5181e770
SHA1 hash:
1c2968592792980cd510411e96b170cba40c0442
Link:
https://www.unpac.me/results/75f990db-a18b-40c0-bc4e-caeefa382dfb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.28
Link:
https://yomi.yoroi.company/submissions/63e8c18d647c49586bbea5bebed20a710bf669a3282846efbe053690e563c84b

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/314005/

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