MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75f352e00f106877b2e7197ab6b6be0234aba379dec517009a7e26bfef612921. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75f352e00f106877b2e7197ab6b6be0234aba379dec517009a7e26bfef612921
SHA3-384 hash: 720976650e0975313c9d6b21e18ebd3ae0a83ee283f32876b3900fd64421a03f2dafb0d34d12affb552339d16b4d9d44
SHA1 hash: fd2f582b0bdf2509c388d827f7da6f65d3b00a54
MD5 hash: b4ba31eb5ee866f45c1cb783e0152294
humanhash: don-mike-floor-xray
File name:bewijs van betaling03182022pdf.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:541'880 bytes
First seen:2022-03-20 09:57:12 UTC
Last seen:2022-03-22 07:46:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:b3NU/llvFinaXo77V/rUcXqeVD6BqphI7iZpI:b3+llvFinaYfV/rUyqeVD2qvI7iZi
Threatray 864 similar samples on MalwareBazaar
TLSH T1EFB4F114AB68EC52D7C067342E23B65D2930AD427D99CF239710BDCE6CB6EF1784A187
File icon (PE):PE icon
dhash icon 8220dc9ebaeacad8 (1 x GuLoader)
Reporter TeamDreier
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:NOONS
Issuer:NOONS
Algorithm:sha256WithRSAEncryption
Valid from:2022-03-18T06:28:16Z
Valid to:2023-03-18T06:28:16Z
Serial number: 00
Intelligence: 325 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:This certificate is on the Cert Central blocklist
Thumbprint Algorithm:SHA256
Thumbprint: f799601363bfa117046e9445827d8cffc583b389a4e8b702a4b4e3245e762ad9
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bewijs van betaling03182022pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-03-18 12:32:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/06ff1150-3bd3-4d04-b478-35abc3813e8f

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/253079/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.48648966.7099.9770.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/9897/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6236fab3dfdfa8501cc062ff/reports/4a4b6f2d-c1f6-4acf-824e-eabffd3c09e7/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.
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ba4c2568-6d12-4e00-8eb3-f4ac3a26b604
Result
Threat name:
AgentTesla GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960266
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 592747 Sample: bewijs van betaling03182022... Startdate: 20/03/2022 Architecture: WINDOWS Score: 100 26 googlehosted.l.googleusercontent.com 2->26 28 drive.google.com 2->28 30 2 other IPs or domains 2->30 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 7 other signatures 2->44 8 bewijs van betaling03182022pdf.exe 1 29 2->8         started        signatures3 process4 file5 18 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 8->18 dropped 20 C:\Users\user\AppData\Local\...\System.dll, PE32 8->20 dropped 22 C:\Users\user\AppData\Local\...\LangDLL.dll, PE32 8->22 dropped 24 C:\Users\user\...\BluetoothDiagnosticUtil.dll, PE32+ 8->24 dropped 46 Writes to foreign memory regions 8->46 48 Tries to detect Any.run 8->48 50 Hides threads from debuggers 8->50 12 CasPol.exe 15 19 8->12         started        signatures6 process7 dnsIp8 32 api.telegram.org 149.154.167.220, 443, 49756, 49757 TELEGRAMRU United Kingdom 12->32 34 googlehosted.l.googleusercontent.com 142.250.179.129, 443, 49748 GOOGLEUS United States 12->34 36 drive.google.com 142.250.185.206, 443, 49747 GOOGLEUS United States 12->36 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->54 56 Tries to steal Mail credentials (via file / registry access) 12->56 58 5 other signatures 12->58 16 conhost.exe 12->16         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/75f352e00f106877b2e7197ab6b6be0234aba379dec517009a7e26bfef612921/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-03-18 15:30:28 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
13 of 41 (31.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oxzvfyapcbuhpmxhdf5lnnv6ai2kxi3z33croae2pytl733bfeqq._file
Verdict:
malicious
Label(s):
cloudeye
Create hunting rule
Similar samples:
1432f0240c91b7439722df807e35ef9b4cc9b126f3e5d42cedb27b28751118d7
GuLoader
4b1e07f367e2c29e90cad5cd928dc1572dbcedfb04cd722fba01c67a7d349361
GuLoader
5ec36ac5ba843f29bb0dc75d7d527ab9cee34a681bad704a89fd5ed12cdea337
GuLoader
77353f06427f5e7d0e4c28e4d5690700a2cf6789edc0f9c51682dd20bb65bf78
GuLoader
b076cbf14c6f0a9bbb4aaaf8242622cefb6bccdf2aef9e130b48a0552bb5016f
GuLoader
c1dc214e929541d1f9d0ede9422bf40f61f766de5e8a32bc2fb2d73a91e4a71e
GuLoader
c5cbf9085eac3f9c2b9cbbf939c90f00d041f0f598b7762af7b371fe3cb61def
GuLoader
cfc09cd2a2109a174ccbc346779f2e19316be4601173e2e85c3e4314cc139017
GuLoader
dd44eb26a328f1e86823339666e1b1237ad7b1d880694c1b8fb8164b931aa512
GuLoader
fe5d8bb940112ba98d51c57496fa25e242d3f6e4b28b183bfe2ef3ec2c393e9e
GuLoader
+ 854 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:guloader discovery downloader
Link:
https://tria.ge/reports/220320-lzhhqsbga7/
Behaviour
Enumerates physical storage devices
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
MD5 hash:
68b287f4067ba013e34a1339afdb1ea8
SHA1 hash:
45ad585b3cc8e5a6af7b68f5d8269c97992130b3
Link:
https://www.unpac.me/results/99c31bec-03c4-45c4-862e-9b94219647bd/
SH256 hash:
6ee64218eddbd0da5c3a02940027c03bc1d9d4df17064ffe10e4f45e8ac16a3c
MD5 hash:
756d92200bbee76cd920e091319ebd1b
SHA1 hash:
d05f76c1a4ddb9b77225a2271d99d473107312d6
Link:
https://www.unpac.me/results/99c31bec-03c4-45c4-862e-9b94219647bd/
SH256 hash:
798d7f659a6ecdffa3ea79f6e54b5cfb3b3b6c9950b313ec7abcc093970c47fd
MD5 hash:
51dd15833b7de9ecdef297c4a0278e1e
SHA1 hash:
2bdac2dc3706a2819b6b2c7d3c6f47e75e5d2ece
Link:
https://www.unpac.me/results/99c31bec-03c4-45c4-862e-9b94219647bd/
SH256 hash:
75f352e00f106877b2e7197ab6b6be0234aba379dec517009a7e26bfef612921
MD5 hash:
b4ba31eb5ee866f45c1cb783e0152294
SHA1 hash:
fd2f582b0bdf2509c388d827f7da6f65d3b00a54
Link:
https://www.unpac.me/results/99c31bec-03c4-45c4-862e-9b94219647bd/
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/75f352e00f106877b2e7197ab6b6be0234aba379dec517009a7e26bfef612921

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information

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

Malspam

GuLoader

Executable exe 75f352e00f106877b2e7197ab6b6be0234aba379dec517009a7e26bfef612921

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/253079/

Comments