MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 615e6c6d71b5e39a29970f555b48255519e5d7f9c956faa2f578f4c50365d046. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 615e6c6d71b5e39a29970f555b48255519e5d7f9c956faa2f578f4c50365d046
SHA3-384 hash: 0c21ee12042d27303f343c251426d0d026746150baf13d687251ef3162112ef60e3ad7ba5fa684c38f9ae951d68f790f
SHA1 hash: 7dbceabcb7c41e403939a677802706e7e5b2f46d
MD5 hash: 7af501ec79abe103d6954972a5aaec72
humanhash: march-may-beryllium-four
File name:SKMBT Ref 19072022.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:638'296 bytes
First seen:2022-07-22 05:50:20 UTC
Last seen:2022-07-22 11:37:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f10e4da994053bf80c20cee985b32e29 (65 x GuLoader, 9 x RemcosRAT, 6 x QuasarRAT)
ssdeep 12288:TQ1wsl0r73yEhdtuOb2m3XHH1EDQHyCuqaLxcljTVJRHcsm:TQ1wsM7hdgObngQDuq5VJR5m
Threatray 3'807 similar samples on MalwareBazaar
TLSH T1C7D4237A17AEC8A3C7C20670DF3609F62EF68C08E43452675B507D9C7CB7E96CA1A611
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 0xToxin
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Communalizations Evadtrene
Issuer:Communalizations Evadtrene
Algorithm:sha256WithRSAEncryption
Valid from:2022-02-22T06:03:47Z
Valid to:2025-02-21T06:03:47Z
Serial number: 23e148c43fe65436
Thumbprint Algorithm:SHA256
Thumbprint: 3e360d2eb6c720922f267270ca297695576a7cad3a49b84e3f473ccc06e12168
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SKMBT Ref 19072022.exe
Verdict:
Malicious activity
Analysis date:
2022-07-22 08:33:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/29d2aee5-3d62-40f1-b594-0f326b5a28a4

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/293297/
Detection(s):
SecuriteInfo.com.VHO.Packed.NSIS.Krynis.gen.354.20628.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
Creating a file in the Windows subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/26991/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62da3ac7f8c498cd9c53a48d/reports/d53c43ee-29b9-40a2-bf21-ead989ae374c/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:
Malicious
Link:
https://analyze.intezer.com/analyses/f88ada06-4a50-42be-85e5-abc81ddb3582
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1038999
Signature
C2 URLs / IPs found in malware configuration
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/615e6c6d71b5e39a29970f555b48255519e5d7f9c956faa2f578f4c50365d046/
Threat name:
Win32.Packed.Krynis
Create hunting rule
Status:
Malicious
First seen:
2022-07-19 04:16:33 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
3 of 26 (11.54%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mfpgy3lrwxrzukmxb5kvwsbfkum6lv7zzflpvixvpd2mka3f2bda._file
Verdict:
unknown
Similar samples:
083a3fd47e58d83c6a4265bcb00f93d30cc2901d6637ae9648411e83d3ad5017
GuLoader
121dae49dacf1290b5ef4de577a01161b523d9edf8564fa765e7c00ac6c3b862
GuLoader
3f2c09a0f5ef78464bc15d52f74d898136ad3605fca220c72d5b38599033d3a5
GuLoader
4e6a98f49ac2a278d129e4aaf8e8eab4dfe1c7ba0e13aa04dbd7a6952cb1dd2b
GuLoader
53a1845a7d811a116b02d68da692eb9574befd248c4bb5015f0391e52edd34bb
GuLoader
97cfde3665f5af9b1cde9fc4f4e27144d24ae85fed47f407f576eadc6a43649f
GuLoader
98f3769bc2318575d1a8d3964c11a6d14b4be9aa380395f9dc3e368cbb465056
GuLoader
9dea1f77cbe4728bcb0ef4d8678842a4623218e005c4637e462257cce1b0c9f2
GuLoader
bc087788e42eda82911a110800e13585717e166a351ce1d217f0c93e19199e19
GuLoader
c732cdf1e9a860f4a90bfb86cf661c838f2848e323c7670f23dc9606fd017389
GuLoader
+ 3'797 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/220722-gj5wwadcak/
Behaviour
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
c7a20bcaa0197aedddc8e4797bbb33fdf70d980f5e83c203d148121c2106d917
MD5 hash:
792b6f86e296d3904285b2bf67ccd7e0
SHA1 hash:
966b16f84697552747e0ddd19a4ba8ab5083af31
Link:
https://www.unpac.me/results/cd728a27-c48f-4da8-84aa-cc573c7369f4/
SH256 hash:
711427242bff919c78fbba2b298b5d5898f75d73f1d7f4c4eb22badf525864a5
MD5 hash:
70ba99745542354a2efcb1c2f167b62b
SHA1 hash:
8b18bc8d3e6e52222baef7ab7ab125436ef5c966
Link:
https://www.unpac.me/results/cd728a27-c48f-4da8-84aa-cc573c7369f4/
SH256 hash:
850f7e8202de8085298a857a81ec90aeb902488ddce5dc43b34d549491a166fb
MD5 hash:
e1db8c04daacaafd839227dbcc339df5
SHA1 hash:
5df2160f7860b4a1067333b36109bea32cef2603
Link:
https://www.unpac.me/results/cd728a27-c48f-4da8-84aa-cc573c7369f4/
SH256 hash:
615e6c6d71b5e39a29970f555b48255519e5d7f9c956faa2f578f4c50365d046
MD5 hash:
7af501ec79abe103d6954972a5aaec72
SHA1 hash:
7dbceabcb7c41e403939a677802706e7e5b2f46d
Link:
https://www.unpac.me/results/cd728a27-c48f-4da8-84aa-cc573c7369f4/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/615e6c6d71b5/report/overview.html
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/615e6c6d71b5e39a29970f555b48255519e5d7f9c956faa2f578f4c50365d046

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/293297/

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