MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3a66173013a037b63d6ab4eb79916bb7e32cea117a3a12ed823f1f41ee69ce2. 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: d3a66173013a037b63d6ab4eb79916bb7e32cea117a3a12ed823f1f41ee69ce2
SHA3-384 hash: 3f0598bbf25543e5c1aaa003b86273e45a52460b2b7606a3a0a36251dff21ffb62db7956eb692c89601152f9aac9f333
SHA1 hash: c355ec087ed5d35560bff94ed9ea5382b5a60071
MD5 hash: 6b02d95fa9c620b403bac9313a08288f
humanhash: ceiling-stairway-blue-leopard
File name:Zahlung Swift 07082022.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:143'096 bytes
First seen:2022-09-19 14:10:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 3072:qca/q6CDF6Lt3uPkbM7v/0bfKesbU0z2Y35f6YmSS7dhREJe2bV6:qQ606xNCv/0bFsbU0CAf4rREdh6
TLSH T103E3F111B230C4B7D5EA0B32293217BF7FF9A55119899B0B03706E997D12683B83E378
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter 0x746f6d6669
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2021-10-02T03:16:48Z
Valid to:2024-10-01T03:16:48Z
Serial number: 797569a684f67cac
Thumbprint Algorithm:SHA256
Thumbprint: 5f9b496bc622d7a5bb604dac2e3c5db23f66a2e4557243d5269d147a4ef31ef4
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
435
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Zahlung Swift 07082022.exe
Verdict:
Malicious activity
Analysis date:
2022-09-19 14:11:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/aa3a15e0-be37-4d8e-a57e-579da61914ad

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/311359/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.10877.21121.25012.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/38139/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader nemesis overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/632878f23976776965322a87/reports/2e62179d-ba1f-42cd-aa3b-847002bc0245/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/e81d9485-3242-4818-b6cf-d13d44002fff
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1073016
Signature
Hides threads from debuggers
Installs a global keyboard hook
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)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected GuLoader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 705557 Sample: Zahlung Swift 07082022.exe Startdate: 19/09/2022 Architecture: WINDOWS Score: 100 41 googlehosted.l.googleusercontent.com 2->41 43 drive.google.com 2->43 45 2 other IPs or domains 2->45 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected GuLoader 2->57 59 Yara detected Telegram RAT 2->59 61 4 other signatures 2->61 8 Zahlung Swift 07082022.exe 4 98 2->8         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 8->37 dropped 39 C:\Users\user\AppData\Local\...\System.dll, PE32 8->39 dropped 65 Obfuscated command line found 8->65 67 Tries to detect Any.run 8->67 69 Hides threads from debuggers 8->69 12 CasPol.exe 8->12         started        16 cmd.exe 1 8->16         started        18 cmd.exe 1 8->18         started        20 246 other processes 8->20 signatures6 process7 dnsIp8 47 api.telegram.org 149.154.167.220, 443, 49762, 49763 TELEGRAMRU United Kingdom 12->47 49 googlehosted.l.googleusercontent.com 142.250.184.225, 443, 49761 GOOGLEUS United States 12->49 51 drive.google.com 172.217.16.142, 443, 49760 GOOGLEUS United States 12->51 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->73 75 Tries to steal Mail credentials (via file / registry access) 12->75 77 6 other signatures 12->77 22 conhost.exe 12->22         started        24 conhost.exe 16->24         started        27 conhost.exe 18->27         started        53 192.168.11.1 unknown unknown 20->53 29 conhost.exe 20->29         started        31 conhost.exe 20->31         started        33 conhost.exe 20->33         started        35 238 other processes 20->35 signatures9 process10 signatures11 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 24->63
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d3a66173013a037b63d6ab4eb79916bb7e32cea117a3a12ed823f1f41ee69ce2/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2022-09-19 09:59:55 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
20 of 40 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2otgc4ybhibxwy6wvnhlpgiwxn7dftvbc6r2clwyepy7ihxgttra._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/220919-rg86maccd8/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4420a8d1-a35e-43e8-a16f-16eaacd0a8ad
Unpacked files
SH256 hash:
938580b466533dfa1461e9858fd106b60e1a52b713380915cc03afd3e4b4573c
MD5 hash:
98bdb37511634dad8d1236d91d373b26
SHA1 hash:
778cf74b4f8860cc378fa4e61aeba318197783ce
Link:
https://www.unpac.me/results/69f3ad1d-c885-4e4b-87b5-32097ec29024/
SH256 hash:
f7d98be26c813724c7cb673b53475fe660d3ef4f9930d57a550c91578c660e91
MD5 hash:
723646252e79cbb15c7817360f93a6d2
SHA1 hash:
c9ce61d71b7377456ab49c823fc756336b01f7b5
Link:
https://www.unpac.me/results/69f3ad1d-c885-4e4b-87b5-32097ec29024/
SH256 hash:
d3a66173013a037b63d6ab4eb79916bb7e32cea117a3a12ed823f1f41ee69ce2
MD5 hash:
6b02d95fa9c620b403bac9313a08288f
SHA1 hash:
c355ec087ed5d35560bff94ed9ea5382b5a60071
Link:
https://www.unpac.me/results/69f3ad1d-c885-4e4b-87b5-32097ec29024/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.03
Link:
https://yomi.yoroi.company/submissions/d3a66173013a037b63d6ab4eb79916bb7e32cea117a3a12ed823f1f41ee69ce2

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/311359/

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