MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f
SHA3-384 hash: faba33d427ef9d22fccde926c9b346ed2c06c3acb64e60d0e156a22c6ad887c7f910d464c089b175c8bc237aa400a26d
SHA1 hash: c66d15184ef9a38a7423f1a6fbc60c94132051f9
MD5 hash: bb82589608f2312e9bf9d0c63c8a3d68
humanhash: jig-stairway-network-kentucky
File name:bb82589608f2312e9bf9d0c63c8a3d68
Download: download sample
Signature GuLoader
Create hunting rule
File size:380'392 bytes
First seen:2023-06-08 06:02:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e9c0657252137ac61c1eeeba4c021000 (53 x GuLoader, 26 x RedLineStealer, 17 x AgentTesla)
ssdeep 6144:A6dANzV+OT7ck3Ke1/Lhw5ewNi4F/oJrcy+ShsV6+gn:iP+OTQkFLhaez4FSVsVI
Threatray 3'428 similar samples on MalwareBazaar
TLSH T11784013A736CC42FF04612B11E62E358B7B09EC539D6474373277F6D59B4280A9D938A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-10-22T00:54:14Z
Valid to:2025-10-21T00:54:14Z
Serial number: 166484f7691093c2a2a7bdcea541e4e141e32ee8
Thumbprint Algorithm:SHA256
Thumbprint: b7da412521204d5e40620e69c8997952dda7bd8560f3343668dc9ae933e32a8f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e230816a29bb8af0b5f24adfbe5eff62
Verdict:
Malicious activity
Analysis date:
2023-06-08 04:39:25 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/fea801c5-55fe-4b8c-99bd-947a2b286675

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/396801/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33895215.19221.31229.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89901/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64816f8fd99861c2e74516ff/reports/629f03e8-9b08-4b81-951d-3801c982f438/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f
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/f414032f-0090-41d9-ab6b-ffeb91a74385
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1250907
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 883923 Sample: ZparFzqF3A.exe Startdate: 08/06/2023 Architecture: WINDOWS Score: 100 32 xx7zncjthyo.xyz 2->32 34 www.xx7zncjthyo.xyz 2->34 36 22 other IPs or domains 2->36 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 8 other signatures 2->60 11 ZparFzqF3A.exe 19 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 68 Tries to detect Any.run 11->68 15 ZparFzqF3A.exe 6 11->15         started        signatures6 process7 dnsIp8 44 107.172.148.217, 50103, 80 AS-COLOCROSSINGUS United States 15->44 46 Modifies the context of a thread in another process (thread injection) 15->46 48 Tries to detect Any.run 15->48 50 Maps a DLL or memory area into another process 15->50 52 2 other signatures 15->52 19 explorer.exe 6 1 15->19 injected signatures9 process10 dnsIp11 38 aviationsoftware.aero 208.91.199.242, 50128, 80 PUBLIC-DOMAIN-REGISTRYUS United States 19->38 40 www.rgmtrucking.com 81.17.29.147, 50112, 80 PLI-ASCH Switzerland 19->40 42 11 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 help.exe 12 19->23         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-06-05 12:52:46 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g2bpo3dp53aaj5mnboohgk2fefjxlvc7euf5vqb7wnuubf3rbq7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
0122584da96994f6298919ddd4ac732ad4430977acb87563b1fc6794aa346ca9
GuLoader
037d18a0489c63d5d9ba87f8ea9652c511df0787eb9d8fe361cfab7f93e03582
GuLoader
13820d60b2e8ac752be35f8ac5f49aa70111dfd2a0fed40b58b5232ba93f0c23
GuLoader
1c120ac2bc08fbd5455f3d5a47dd87ce73e40fa4b0f7a3cdb2d41a85c800e603
GuLoader
43440434172d5730884fa5f0ae4f7ae73c4815e74618d18bc405d18dd325fed4
GuLoader
4e1e5ed444f1dd3c1807df4b9e6c41e9e53556a80e7c28701ef6571bd081fac2
GuLoader
5a49abd623035744d1c00f5d7533cef7282f2808b779c5cd7252080a1dc46422
GuLoader
b2c983f76b02245e87e5b264f1a89fae3f3fba72772f11615de582d1804acce9
GuLoader
d67bc9de761645c9aa4b5669cd355f2fecde8b4e9b22f64f327f282754742031
GuLoader
dab182eded2109cec4a816aa101c68a8d91777fa896afe0c73ca5ba0da98978a
GuLoader
+ 3'418 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:xchu downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230608-gr1xwsch22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
MD5 hash:
0063d48afe5a0cdc02833145667b6641
SHA1 hash:
e7eb614805d183ecb1127c62decb1a6be1b4f7a8
Link:
https://www.unpac.me/results/6a2c15ef-a402-4e6c-b0bb-f1655e0ed706/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
SH256 hash:
3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f
MD5 hash:
bb82589608f2312e9bf9d0c63c8a3d68
SHA1 hash:
c66d15184ef9a38a7423f1a6fbc60c94132051f9
Link:
https://www.unpac.me/results/6a2c15ef-a402-4e6c-b0bb-f1655e0ed706/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3682f76c6fee/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

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
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GuLoader

Executable exe 3682f76c6feec004f58d0b9c732b45215375d45f250bdac03fb3694097710c3f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2655431/
Cape
Cape
https://www.capesandbox.com/analysis/396801/

Comments


Avatar
zbet commented on 2023-06-08 06:02:07 UTC

url : hxxp://107.172.148.217/533/hkcmd.exe