MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801
SHA3-384 hash: 885219ec996d35afd07c760df1545faf96748a0216ef309d1d953d9b6af14bcf249cd70ea8f19f9602c5bbf43d2025fa
SHA1 hash: e70caa3ea80971d1519188b42295861a7ddccf61
MD5 hash: 5739503918d2197229995037c57b4cdf
humanhash: double-thirteen-comet-sweet
File name:RFQ#445890_INQDEC2895PROD_Hangzhou Zhongniu_Import_Export Cos.PDF.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:942'584 bytes
First seen:2023-12-11 15:05:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 24576:sNIxTCehtiox6d9ccTW7L9Cidfv4ifeHkOPwaMe7YHehJ:ccTLtii6D7mH4iWHkOPwaMOn
TLSH T1F415125BB76C878FE7998BB3743E07318A46EF1316816E157BD0EE2E453124C690B2D2
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 e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter abuse_ch
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:Toetageshusets
Issuer:Toetageshusets
Algorithm:sha256WithRSAEncryption
Valid from:2023-09-20T08:51:10Z
Valid to:2026-09-19T08:51:10Z
Serial number: 76b2531b6918a06f016556d9e4da21d3041352b0
Thumbprint Algorithm:SHA256
Thumbprint: 536fb58d35f562c8d819b82f026e46c3f5a98fb843a800de749705e0dd80a98c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
222
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/465434/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Searching for the window
Launching a process
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin masquerade overlay packed shell32
Link:
https://www.filescan.io/uploads/65772ae88b5ba47db2de3ef1/reports/bdbd6bc6-c138-4924-b825-9623bc45f0f7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801
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.
Gathering data
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1358572
Signature
Antivirus detection for URL or domain
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1358572 Sample: RFQ#445890_INQDEC2895PROD_H... Startdate: 11/12/2023 Architecture: WINDOWS Score: 100 26 discord.com 2->26 28 api4.ipify.org 2->28 30 api.ipify.org 2->30 38 Snort IDS alert for network traffic 2->38 40 Found malware configuration 2->40 42 Antivirus detection for URL or domain 2->42 44 5 other signatures 2->44 9 RFQ#445890_INQDEC2895PROD_Hangzhou_Zhongniu_Import_Export_Cos.PDF.exe 1 30 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\Cherisher.Sle, data 9->24 dropped 12 powershell.exe 12 9->12         started        process6 signatures7 54 Suspicious powershell command line found 12->54 56 Very long command line found 12->56 58 Found suspicious powershell code related to unpacking or dynamic code loading 12->58 15 powershell.exe 15 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 60 Writes to foreign memory regions 15->60 62 Maps a DLL or memory area into another process 15->62 20 MSBuild.exe 15 8 15->20         started        process10 dnsIp11 32 discord.com 162.159.137.232, 443, 49718, 49719 CLOUDFLARENETUS United States 20->32 34 104.223.106.133, 49716, 80 ASN-QUADRANET-GLOBALUS United States 20->34 36 api4.ipify.org 64.185.227.156, 443, 49717 WEBNXUS United States 20->36 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->48 50 Tries to steal Mail credentials (via file / registry access) 20->50 52 Tries to harvest and steal browser information (history, passwords, etc) 20->52 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-12-11 07:27:31 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
14 of 36 (38.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lk6x5kbkqa2jvioqirflaxtzgzvwc3gevw32in2uhzdu7v3lbaaq._file
Verdict:
unknown
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231211-sp5c3sbgc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
AgentTesla
Guloader,Cloudeye
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1183395967563747379/uiR-L8sCPAbmIk762kRjA9KmM-l1_wr48uBrF5rgQJmviD0L7w1EJt85eDdGByNRZnXH
Unpacked files
SH256 hash:
5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801
MD5 hash:
5739503918d2197229995037c57b4cdf
SHA1 hash:
e70caa3ea80971d1519188b42295861a7ddccf61
Link:
https://www.unpac.me/results/42857968-0191-404b-b2cd-d28135abb0d4/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5abd7ea82a80/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/5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

GuLoader

Executable exe 5abd7ea82a80349aa1d0444ab05e79366b616cc4adb7a437543e474fd76b0801

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/465434/

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