MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9d5019cef8a6bc52d94e6b4becf6249f2d202ac90204bbf508f9e62454f2f2fd. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9d5019cef8a6bc52d94e6b4becf6249f2d202ac90204bbf508f9e62454f2f2fd
SHA3-384 hash: 4cf0b4a67477d9c00bcb82f6d44fd54c415f29a20afb7468c38008b18d8b111f891c1ef66cb50e2a779705438ab4a60c
SHA1 hash: 0d88f2cca0aae58c31add82851c42fa1702cd4cf
MD5 hash: a413d04a39c86bd0b4ca116227d20a30
humanhash: oxygen-black-oranges-nevada
File name:file
Download: download sample
Signature GuLoader
Create hunting rule
File size:292'152 bytes
First seen:2023-06-07 13:48:55 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 6144:36dmbMKjUztT0dAxqLjd07V8y/6+8DXDQ9NA6igSOyxRVMvM:h4AUzt0dAxq/ky+8nGig3yxRuM
Threatray 2'392 similar samples on MalwareBazaar
TLSH T1025412833AF49097F89905700ABFBDB8B7BEBE1A4694290E73927F587933241571134B
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)
File icon (PE):PE icon
dhash icon c2e1cc9cecc9e126 (2 x GuLoader)
Reporter jstrosch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-04-19T03:31:11Z
Valid to:2026-04-18T03:31:11Z
Serial number: 4f66d62e8673e311ca99ee61f2425b25a270e6ce
Thumbprint Algorithm:SHA256
Thumbprint: 0b9d319c418dc5440ee989117ceec382c4624e7d584c28d20407baad9e3f67bf
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-07 13:50:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/91b39002-4392-42da-b98e-a8f53d2da679

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/396494/
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.30705.5985.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/89737/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64808acf11b3a7275270e6c4/reports/02c60fc5-36f3-4a1c-bbd0-e5cd9564962b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/9d5019cef8a6bc52d94e6b4becf6249f2d202ac90204bbf508f9e62454f2f2fd
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/7c31ccde-dd80-4056-9704-7ac8f3baf64b
Result
Threat name:
GuLoader, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1250359
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
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: 883381 Sample: file.exe Startdate: 07/06/2023 Architecture: WINDOWS Score: 100 38 yourtechhousecall.com 2->38 40 www.yourtechhousecall.com 2->40 42 27 other IPs or domains 2->42 60 Snort IDS alert for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 7 other signatures 2->66 11 file.exe 23 2->11         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\System.dll, PE32 11->36 dropped 74 Tries to detect Any.run 11->74 15 file.exe 6 11->15         started        signatures6 process7 dnsIp8 50 107.172.148.217, 49836, 80 AS-COLOCROSSINGUS United States 15->50 52 Modifies the context of a thread in another process (thread injection) 15->52 54 Tries to detect Any.run 15->54 56 Maps a DLL or memory area into another process 15->56 58 2 other signatures 15->58 19 explorer.exe 5 1 15->19 injected signatures9 process10 dnsIp11 44 onstatic-fr.setupdns.net 81.88.57.68, 49862, 80 REGISTER-ASIT Italy 19->44 46 www.casnation.com 81.17.18.195, 49873, 80 PLI-ASCH Switzerland 19->46 48 8 other IPs or domains 19->48 68 System process connects to network (likely due to code injection or exploit) 19->68 23 cmd.exe 19->23         started        26 autoconv.exe 19->26         started        28 autoconv.exe 19->28         started        30 autochk.exe 19->30         started        signatures12 process13 signatures14 70 Modifies the context of a thread in another process (thread injection) 23->70 72 Maps a DLL or memory area into another process 23->72 32 cmd.exe 1 23->32         started        process15 process16 34 conhost.exe 32->34         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9d5019cef8a6bc52d94e6b4becf6249f2d202ac90204bbf508f9e62454f2f2fd/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Suspicious
First seen:
2023-06-06 14:48:12 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 35 (31.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tvibttxyu26ffwkonnf6z5ret4wsakwjaiclx5ii7htcivhs6l6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
06243274174960778e1adac528d0c2641cf742fa2ba0759c9fe762f7a0692aff
GuLoader
2d3c7fefde60268ec96906144d74058651f6d5d7ed5993a8b1ed00ca40a2d7f0
GuLoader
5854ab7f0f8110bf900f6b86108ad8da461d85f04de5d99b61bc5d87a5a6868c
GuLoader
5d83a43d87b1e3b3d0464602efc817391577b18b11f97230d51214f67627b4be
GuLoader
615349f7344705307b2316dee1177a887390195e85d692069fb2c74def5a4ece
GuLoader
757ecedd9789cb6d77831f2e2c0fc312b05d9ad3e0f6d5c46e3d9c26ce325bc8
GuLoader
93e9640423fb4afef5c9255f3489af80b7961696350cf0c30cb295711bb50a8e
GuLoader
9b2e05373198bfa063d54ff638d844588e31039c27be226a91deade5c0b2bf48
GuLoader
ca36938bca50bc95f123c86a7c886b2da3add6b082b31146bbfae46ddccc473c
GuLoader
d167c08baf19919551b1731763974baa43a7193cfaf4704d754308d53bdb2b5e
GuLoader
+ 2'382 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:gtt8 downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230607-q4nyjabg4x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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/d1f88966-1b4f-4d09-90bc-5a1d8de4da49/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
SH256 hash:
9d5019cef8a6bc52d94e6b4becf6249f2d202ac90204bbf508f9e62454f2f2fd
MD5 hash:
a413d04a39c86bd0b4ca116227d20a30
SHA1 hash:
0d88f2cca0aae58c31add82851c42fa1702cd4cf
Link:
https://www.unpac.me/results/d1f88966-1b4f-4d09-90bc-5a1d8de4da49/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9d5019cef8a6/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/9d5019cef8a6bc52d94e6b4becf6249f2d202ac90204bbf508f9e62454f2f2fd

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 9d5019cef8a6bc52d94e6b4becf6249f2d202ac90204bbf508f9e62454f2f2fd

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/396494/
  
URLhaus
https://urlhaus.abuse.ch/url/2655405/

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