MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fab88e2ebbe4f3ba70e7c08cbedde59af3b9da39ca50c0b252cb547f3dbddd0d. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fab88e2ebbe4f3ba70e7c08cbedde59af3b9da39ca50c0b252cb547f3dbddd0d
SHA3-384 hash: 88c5df856fff1d1344ff41fa50c3673da6f1766370d1f50e7e76aacbef2bdcfbfa37d02356518975d3b2de12315fcded
SHA1 hash: e58d92f4f07175a814c727b26a9ef5d2b6210ed3
MD5 hash: 2e76437f2b60f41382f8a93129d34551
humanhash: white-sink-failed-twelve
File name:BCNIR00284378_ES 001-005-000017667.vbs
Download: download sample
Signature GuLoader
Create hunting rule
File size:53'580 bytes
First seen:2023-10-24 07:28:34 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 768:ZVpv+nkbiysMD1F9WMiZpWqfNEq4hbUCyYtr40x2jB5WI7EyFSC3t6AiFj0:Lo7XM397+WqfNEqgv1Yjbr7nFSBFj0
Threatray 1'242 similar samples on MalwareBazaar
TLSH T196337DA1EAA5161A0D4B27C9DCC3098191BD941D05365926FEED03CDA30B6ACD3FEB1B
Reporter lowmal3
Tags:GuLoader vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/455907/
Detection(s):
SecuriteInfo.com.Script.SNH-gen.15297.28466.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cerberus
Link:
https://www.filescan.io/uploads/6537723fe3768e7905c8fb24/reports/bdffca31-7d5c-499b-9627-4f06ec89c14b/overview
Verdict:
Suspicious
Labled as:
Trojan.VBS.SAgent
Link:
https://www.hybrid-analysis.com/sample/fab88e2ebbe4f3ba70e7c08cbedde59af3b9da39ca50c0b252cb547f3dbddd0d
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1331100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Obfuscated command line found
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1331100 Sample: BCNIR00284378_ES_001-005-00... Startdate: 24/10/2023 Architecture: WINDOWS Score: 100 24 mail.dai-logistic.co.id 2->24 26 googlehosted.l.googleusercontent.com 2->26 28 3 other IPs or domains 2->28 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 Yara detected GuLoader 2->40 42 Yara detected AgentTesla 2->42 9 wscript.exe 2->9         started        signatures3 process4 signatures5 52 VBScript performs obfuscated calls to suspicious functions 9->52 54 Suspicious powershell command line found 9->54 56 Wscript starts Powershell (via cmd or directly) 9->56 58 3 other signatures 9->58 12 powershell.exe 16 9->12         started        process6 signatures7 60 Suspicious powershell command line found 12->60 62 Obfuscated command line found 12->62 64 Very long command line found 12->64 15 powershell.exe 19 12->15         started        18 conhost.exe 12->18         started        process8 signatures9 66 Writes to foreign memory regions 15->66 68 Maps a DLL or memory area into another process 15->68 70 Found suspicious powershell code related to unpacking or dynamic code loading 15->70 20 CasPol.exe 10 15->20         started        process10 dnsIp11 30 drive.google.com 142.251.163.102, 443, 49740, 49742 GOOGLEUS United States 20->30 32 googlehosted.l.googleusercontent.com 142.251.167.132, 443, 49741, 49743 GOOGLEUS United States 20->32 34 dai-logistic.co.id 203.175.9.48, 49752, 587 FCCDCI-NET-PH4FPodiumRCBCPlazaTowerIPH Indonesia 20->34 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->46 48 Tries to steal Mail credentials (via file / registry access) 20->48 50 Tries to harvest and steal browser information (history, passwords, etc) 20->50 signatures12
Score:
49%
Verdict:
Susipicious
File Type:
ASCII
Link:
https://malprob.io/report/fab88e2ebbe4f3ba70e7c08cbedde59af3b9da39ca50c0b252cb547f3dbddd0d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fab88e2ebbe4f3ba70e7c08cbedde59af3b9da39ca50c0b252cb547f3dbddd0d/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-24 07:29:05 UTC
File Type:
Text (VBS)
AV detection:
2 of 38 (5.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7k4i4lv34tz3u4hhycgl5xpftlz3twrzzjimbmssznkh6pn53ugq._file
Verdict:
malicious
Similar samples:
1eda1b310543e616e8b7b97e8e5f13597fb3a67ed9658b3daba2f49361563689
GuLoader
47e71db77dc8258663e0715a3b8d4a1c9e105f76a0c771d79654fd03236bfd1e
GuLoader
6bb2f555edca2bc8b12c33f65b84d05a570043de008ec8d9a31a6b4952f01d02
GuLoader
84aefd4d28b5549160c5e3f2a0305737cff34147cd1748d366eed38b7db17bb8
GuLoader
8c63c1e28683c7aa90cb40df346fe1d5dbc3b2bd994cd883cd7e551518486098
GuLoader
c2dbf46751c346aa33fe9d846bf934a7f880f37baee41539917e074b15ada779
GuLoader
d1d5c18ceb2963481df617894368f26c879edb5697a6d23fe6fa91e889ce01f6
GuLoader
d42cc862ab4fb764a7a376e528a6373d2f939353d8ea223f2b1e1abd28c5cc84
GuLoader
e05106e87bc020e515701eb173b232dc3faa925ba09948756230b422b814fb08
GuLoader
e278ecca391be13103b9584a01fd2bbd4fabdfef4756e3870e48140a304894e2
GuLoader
+ 1'232 additional samples on MalwareBazaar
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/231024-ja8mhsbd5w/
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
Checks computer location settings
AgentTesla
Guloader,Cloudeye
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fab88e2ebbe4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Cerberus
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Cerberus

File information

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

Malspam

GuLoader

Visual Basic Script (vbs) vbs fab88e2ebbe4f3ba70e7c08cbedde59af3b9da39ca50c0b252cb547f3dbddd0d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/455907/

Comments