MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ad5d6556bce29cc5fc40ad9a797f1c8981403653e05b34cc748f6aa95d20250. 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 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ad5d6556bce29cc5fc40ad9a797f1c8981403653e05b34cc748f6aa95d20250
SHA3-384 hash: 34e250651c3a1efb698dc0d79ed102f3e717680290ff7950a5947cebe1ef1f02deb33a89346342e340511e91219438c9
SHA1 hash: 457326af3b33618ec1aafda523d7e25cbaba7e08
MD5 hash: 6110a44ed03fe3be9bebb860417d81f1
humanhash: juliet-failed-cup-single
File name:6110a44ed03fe3be9bebb860417d81f1
Download: download sample
Signature GuLoader
Create hunting rule
File size:613'352 bytes
First seen:2023-03-27 11:14:41 UTC
Last seen:2023-03-27 13:38:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b78ecf47c0a3e24a6f4af114e2d1f5de (295 x GuLoader, 23 x Formbook, 21 x RemcosRAT)
ssdeep 6144:R92Nj7FNKuggE/ZsIMg+Emf5U5+G4slLVcHMD2dPxYMkX+ZHqXsOGAk5qPHVj4YL:nsxupLVcu2R2MkNXshNhYUjb3nhhhSB5
TLSH T1A7D4D092720098EFEDB60BF048A7CB1566782FB5D9E6102F37CDBB2D20B37520527956
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 8c70f2c0e2629cda (3 x GuLoader, 3 x Loki)
Reporter zbetcheckin
Tags:32 exe GuLoader

Intelligence

File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
lokibot
Create hunting rule
ID:
1
File name:
Document 00993jj39.xls
Verdict:
Malicious activity
Analysis date:
2023-03-27 10:31:56 UTC
Tags:
opendir exploit cve-2017-11882 loader trojan lokibot
Link:
https://app.any.run/tasks/6ae7dc74-7428-4dae-961e-2492f2edc1c6

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/377879/
Detection(s):
SecuriteInfo.com.FileRepMalware.28200.813.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75200/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64217aba80ca4ca1ff599d90/reports/4dcd689b-5be3-4e33-9e74-392b6c4768af/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/7ad5d6556bce29cc5fc40ad9a797f1c8981403653e05b34cc748f6aa95d20250
Result
Verdict:
UNKNOWN
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/aaa7d328-a859-4aa8-9230-91dbc56228a6
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1202628
Signature
Antivirus detection for URL or domain
Found potential ransomware demand text
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Very long command line found
Writes to foreign memory regions
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 835532 Sample: ZwQU8oTqz8.exe Startdate: 27/03/2023 Architecture: WINDOWS Score: 100 39 googlossal.com 2->39 47 Multi AV Scanner detection for domain / URL 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 3 other signatures 2->53 9 ZwQU8oTqz8.exe 6 58 2->9         started        signatures3 process4 file5 31 C:\Users\user\AppData\...behaviorgraphrasscut.Kee, ASCII 9->31 dropped 33 C:\Users\user\AppData\...\vmmemctlver.dll, PE32 9->33 dropped 35 C:\...\System.IO.UnmanagedMemoryStream.dll, PE32 9->35 dropped 37 2 other files (none is malicious) 9->37 dropped 59 Obfuscated command line found 9->59 13 powershell.exe 16 9->13         started        signatures6 process7 signatures8 61 Very long command line found 13->61 16 powershell.exe 13 13->16         started        19 conhost.exe 13->19         started        process9 signatures10 43 Writes to foreign memory regions 16->43 45 Tries to detect Any.run 16->45 21 ielowutil.exe 19 16->21         started        25 ieinstal.exe 16->25         started        27 ieinstal.exe 16->27         started        29 9 other processes 16->29 process11 dnsIp12 41 googlossal.com 83.137.158.50, 443, 49839 INVITECHHU Hungary 21->41 55 Tries to harvest and steal browser information (history, passwords, etc) 21->55 57 Tries to detect Any.run 21->57 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7ad5d6556bce29cc5fc40ad9a797f1c8981403653e05b34cc748f6aa95d20250/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-03-27 11:15:09 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=plk5mvllzyu4yx6eblm2pf7rzcmbia3fhyc3gtghjd3kvfosajia._file
Verdict:
unknown
Result
Malware family:
lokibot
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:lokibot collection discovery downloader spyware stealer trojan
Link:
https://tria.ge/reports/230327-nckqpadb96/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks installed software on the system
Checks QEMU agent file
Checks computer location settings
Guloader,Cloudeye
Lokibot
Malware Config
C2 Extraction:
https://sempersim.su/ha22/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Unpacked files
SH256 hash:
7ad5d6556bce29cc5fc40ad9a797f1c8981403653e05b34cc748f6aa95d20250
MD5 hash:
6110a44ed03fe3be9bebb860417d81f1
SHA1 hash:
457326af3b33618ec1aafda523d7e25cbaba7e08
Link:
https://www.unpac.me/results/12bc799f-8e24-4f0f-8a52-4d92ee9ff3d0/
Malware family:
Lokibot
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7ad5d6556bce/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/7ad5d6556bce29cc5fc40ad9a797f1c8981403653e05b34cc748f6aa95d20250

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.

Web download

GuLoader

Executable exe 7ad5d6556bce29cc5fc40ad9a797f1c8981403653e05b34cc748f6aa95d20250

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/377879/
  
URLhaus
https://urlhaus.abuse.ch/url/2587473/

Comments


Avatar
zbet commented on 2023-03-27 11:14:44 UTC

url : hxxp://92.52.217.50/__72210/csrss.exe