MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1dcfce2d0e8624d01fe155ddbe81f584c171c1d6849ed8c16c29702fac6ef92f. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1dcfce2d0e8624d01fe155ddbe81f584c171c1d6849ed8c16c29702fac6ef92f
SHA3-384 hash: 7c88cf0eda0ff1f431de1189e707681fd12227c4ab7e5b5229e3bba799eb0ae0c7bd694547453749f783fb6e3471568d
SHA1 hash: f6d0a18e3eea386a0e5e12aabaebced9f079bec1
MD5 hash: c95abea3c8d3b5323365551f8fc8b5ba
humanhash: fourteen-east-one-autumn
File name:JustifIcante 2022.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:297'104 bytes
First seen:2022-08-15 06:55:43 UTC
Last seen:2022-08-15 07:34:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (292 x GuLoader, 51 x VIPKeylogger, 48 x RemcosRAT)
ssdeep 6144:23hqL2V8Q1d6O0RziL1I8ExCX2Bis62MryFecH1g:23xj1d70Rzi5I8r2nSFR
TLSH T1875412823710C7A3EE960B301C52E72B4BF45C25BEE9C69B13E5B9467476342390BA7D
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)
File icon (PE):PE icon
dhash icon 64dbdbd9e98999dc (4 x GuLoader)
Reporter adrian__luca
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Kvderne Startingno
Issuer:Kvderne Startingno
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-08T15:17:19Z
Valid to:2025-08-07T15:17:19Z
Serial number: 1139d848f94613e5
Thumbprint Algorithm:SHA256
Thumbprint: a350b9cebb6bbef7202d3f6c182e26f12d0d1709ac309ba385213b079c544953
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
2
# of downloads :
245
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
JustifIcante 2022.exe
Verdict:
Malicious activity
Analysis date:
2022-08-15 06:57:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/38317bbb-ba3e-4024-8500-7d1b974fbed5

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/298577/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.34238.8774.5092.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% subdirectories
Searching for the window
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/28958/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62f9ee92e4e65a67c4aa85ad/reports/3cbae509-b5c2-416a-af6f-65e90612ada4/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:
Unknown
Link:
https://analyze.intezer.com/analyses/bd6e305d-571a-4d8c-85fa-4dec2c6e8fa8
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1051333
Signature
Mass process execution to delay analysis
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 683843 Sample: JustifIcante 2022.exe Startdate: 15/08/2022 Architecture: WINDOWS Score: 100 43 mail.hemegas.es 2->43 45 hemegas.es 2->45 47 3 other IPs or domains 2->47 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected GuLoader 2->57 59 Yara detected AgentTesla 2->59 61 3 other signatures 2->61 8 JustifIcante 2022.exe 1 26 2->8         started        signatures3 process4 file5 35 C:\...\System.IO.Compression.ZipFile.dll, PE32+ 8->35 dropped 37 C:\Users\user\Sixhynde\...\libbz2-1.dll, PE32+ 8->37 dropped 39 C:\Users\user\...behaviorgraphameVisualPlugin.Helper.dll, PE32+ 8->39 dropped 41 2 other files (none is malicious) 8->41 dropped 67 Obfuscated command line found 8->67 69 Writes to foreign memory regions 8->69 71 Tries to detect Any.run 8->71 12 CasPol.exe 11 8->12         started        16 cmd.exe 8->16         started        18 CasPol.exe 8->18         started        20 63 other processes 8->20 signatures6 process7 dnsIp8 49 hemegas.es 37.59.226.102, 49756, 587 OVHFR France 12->49 51 drive.google.com 142.250.186.110, 443, 49754 GOOGLEUS United States 12->51 53 googlehosted.l.googleusercontent.com 142.250.186.33, 443, 49755 GOOGLEUS United States 12->53 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->73 75 Tries to steal Mail credentials (via file / registry access) 12->75 77 Tries to harvest and steal ftp login credentials 12->77 83 2 other signatures 12->83 22 conhost.exe 12->22         started        24 Conhost.exe 16->24         started        79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->81 27 Conhost.exe 20->27         started        29 Conhost.exe 20->29         started        31 Conhost.exe 20->31         started        33 60 other processes 20->33 signatures9 process10 signatures11 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 24->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 24->65
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1dcfce2d0e8624d01fe155ddbe81f584c171c1d6849ed8c16c29702fac6ef92f/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2022-08-08 19:31:17 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dxh44lioqysnah7bkxo35apvqtaxdqowqspnrqlmffyc7ldo7exq._file
Verdict:
malicious
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader downloader
Link:
https://tria.ge/reports/220815-hqdlmsffal/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
5e66489393f159aa0fd30b630bb345d03418e9324e7d834b2e4195865a637cfe
MD5 hash:
4c77a65bb121bb7f2910c1fa3cb38337
SHA1 hash:
94531e3c6255125c1a85653174737d275bc35838
Link:
https://www.unpac.me/results/6fe97847-4602-414b-a7c1-a8216ca50179/
SH256 hash:
1ece965ac1a7410c56c47532a43dd7e5b4db0263a8dca53f0554f7ff16003a8c
MD5 hash:
df3e949ba7901c3520698d403c7f1f5c
SHA1 hash:
6cd0bcdcd433cea81f90ecc1bf4e92e9a0d8fde2
Link:
https://www.unpac.me/results/6fe97847-4602-414b-a7c1-a8216ca50179/
SH256 hash:
1dcfce2d0e8624d01fe155ddbe81f584c171c1d6849ed8c16c29702fac6ef92f
MD5 hash:
c95abea3c8d3b5323365551f8fc8b5ba
SHA1 hash:
f6d0a18e3eea386a0e5e12aabaebced9f079bec1
Link:
https://www.unpac.me/results/6fe97847-4602-414b-a7c1-a8216ca50179/
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/1dcfce2d0e8624d01fe155ddbe81f584c171c1d6849ed8c16c29702fac6ef92f

File information

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

Malspam

GuLoader

Executable exe 1dcfce2d0e8624d01fe155ddbe81f584c171c1d6849ed8c16c29702fac6ef92f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/298577/

Comments