MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f68efee50129fb2c25b58908d378d5d716113090c0169aa2dee3cec7f808421. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7f68efee50129fb2c25b58908d378d5d716113090c0169aa2dee3cec7f808421
SHA3-384 hash: 86f05b99c52c4dd2087672866209fd64749327e1bfca96be329cd31b48024f11f8e2ba830c55438aa4f74795804abcdb
SHA1 hash: 316b3e13761fa5733d0e87f4ff28620214465a06
MD5 hash: 1f4365fb20db051b2b510416ee167971
humanhash: lima-eight-shade-floor
File name:1f4365fb20db051b2b510416ee167971
Download: download sample
Signature GuLoader
Create hunting rule
File size:407'696 bytes
First seen:2023-07-28 06:29:44 UTC
Last seen:2023-07-28 07:45:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (300 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:pBe337n8xkABZYQkutr1+8nkTN5044WYtiT+ab4nX55MjFGC9:q7LABZYQkul17kTXW9vab4X55MjFl9
Threatray 878 similar samples on MalwareBazaar
TLSH T12D84E183ED904266D8180439A6E7B72535F78C7D9B8ACF1313D871262FB2192257E37B
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 c2aab2c2c0f0f0f0 (5 x GuLoader, 1 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
278
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1f4365fb20db051b2b510416ee167971
Verdict:
Suspicious activity
Analysis date:
2023-07-28 06:31:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/90910e88-a9a7-4919-8711-0b95c28a62ca

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/435812/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.31020.16397.20236.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64c3606a1b48787a496fca06/reports/df1797a1-3839-4dee-a9d6-5ff5bc5bc91e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/7f68efee50129fb2c25b58908d378d5d716113090c0169aa2dee3cec7f808421
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/9da7a962-fca5-4fdc-b9c8-236f915e6535
Result
Threat name:
GuLoader, SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1281614
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Checks if the current machine is a virtual machine (disk enumeration)
Creates a thread in another existing process (thread injection)
Deletes itself after installation
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1281614 Sample: xmAe2RZWNW.exe Startdate: 28/07/2023 Architecture: WINDOWS Score: 100 40 cletonmy.com 2->40 42 alpatrik.com 2->42 52 Snort IDS alert for network traffic 2->52 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 7 other signatures 2->58 8 xmAe2RZWNW.exe 31 2->8         started        12 tdhfivr 25 2->12         started        14 tdhfivr 25 2->14         started        signatures3 process4 file5 28 C:\Users\user\AppData\Local\...\System.dll, PE32 8->28 dropped 60 Tries to detect Any.run 8->60 16 xmAe2RZWNW.exe 6 8->16         started        30 C:\Users\user\AppData\Local\...\System.dll, PE32 12->30 dropped 62 Multi AV Scanner detection for dropped file 12->62 20 tdhfivr 6 12->20         started        32 C:\Users\user\AppData\Local\...\System.dll, PE32 14->32 dropped 22 tdhfivr 6 14->22         started        signatures6 process7 dnsIp8 38 198.46.177.160, 50246, 50247, 50249 AS-COLOCROSSINGUS United States 16->38 44 Tries to detect Any.run 16->44 46 Maps a DLL or memory area into another process 16->46 48 Checks if the current machine is a virtual machine (disk enumeration) 16->48 24 explorer.exe 6 3 16->24 injected 50 Creates a thread in another existing process (thread injection) 20->50 signatures9 process10 file11 34 C:\Users\user\AppData\Roaming\tdhfivr, PE32 24->34 dropped 36 C:\Users\user\...\tdhfivr:Zone.Identifier, ASCII 24->36 dropped 64 Benign windows process drops PE files 24->64 66 Deletes itself after installation 24->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->68 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7f68efee50129fb2c25b58908d378d5d716113090c0169aa2dee3cec7f808421/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=p5uo73sqckp3fqs3lcii2n4nlvywceyjbqawtkrn5y6oy74aqqqq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
0aca8e757450257b435be941b91b79bedc38d9b25be3a60b10a52aec61a158a8
GuLoader
2a3b878db3d93241bec1fa344d59275cec331fa159ea90c26d8430f4f4a5b9e5
GuLoader
47e8a43a5dfcefe4d6850764bb413ffeab6724be3a37620853b686c9fb23db34
GuLoader
629156764548d3bdbc062de11f6ad819bb0d7d166aac339b04674861df522206
GuLoader
723ff97e6559f6558c288ca693898592a21aab28c003883ca13b81667d7e3aef
GuLoader
7d6e9247de0527fa4c0939c4f6e6726a35cb5f39492a7aeab5614ac1ab29b294
GuLoader
86cdb06b975dfb24d11bf83bbe33b39b8eb49c1bb514c2d508c05ef3d9b3be01
GuLoader
b09ed41c3a0e1a98d0035de279a32fa7e08e3eba69190b2cbf5f977301e58100
GuLoader
b5490460c53d27ef419898a98959bec49deb3ac3c3a8a23d63ce7dabe00af32e
GuLoader
c627b8bb6c4ea0cf03aa2d209d0ecc53ff9784283328dabd44c1675aef0939c2
GuLoader
+ 868 additional samples on MalwareBazaar
Result
Malware family:
smokeloader
Create hunting rule
Score:
  10/10
Tags:
family:smokeloader backdoor trojan
Link:
https://tria.ge/reports/230728-g9f1fabh28/
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
NSIS installer
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Deletes itself
Executes dropped EXE
Loads dropped DLL
SmokeLoader
Malware Config
C2 Extraction:
http://cletonmy.com/
http://alpatrik.com/
Unpacked files
SH256 hash:
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
MD5 hash:
3f176d1ee13b0d7d6bd92e1c7a0b9bae
SHA1 hash:
fe582246792774c2c9dd15639ffa0aca90d6fd0b
Link:
https://www.unpac.me/results/a097dc40-e753-43b8-ae88-10a0d0322d35/
SH256 hash:
7f68efee50129fb2c25b58908d378d5d716113090c0169aa2dee3cec7f808421
MD5 hash:
1f4365fb20db051b2b510416ee167971
SHA1 hash:
316b3e13761fa5733d0e87f4ff28620214465a06
Link:
https://www.unpac.me/results/a097dc40-e753-43b8-ae88-10a0d0322d35/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7f68efee5012/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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 7f68efee50129fb2c25b58908d378d5d716113090c0169aa2dee3cec7f808421

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/435812/
  
URLhaus
https://urlhaus.abuse.ch/url/2691454/

Comments


Avatar
zbet commented on 2023-07-28 06:29:45 UTC

url : hxxp://198.46.177.160/010/ChromeSetup.exe