MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fbb047dafd852970c75fe510d4f6b5f0e03ca4cda1f3f8d75764a5103371723. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3fbb047dafd852970c75fe510d4f6b5f0e03ca4cda1f3f8d75764a5103371723
SHA3-384 hash: 96585016ce669b0f9e85b20ab38c79f41a364ba3f7744809a520471a385d03d3a99e68f92394556c00fd7e5e11fc8c43
SHA1 hash: fbfcb73a34add69f845240b21ba33ec1d90fa5c0
MD5 hash: 4a9532c39c0713ce127fdde32ced584c
humanhash: freddie-nuts-yankee-blue
File name:BL017351-00691MDL.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:334'718 bytes
First seen:2023-05-04 13:03:11 UTC
Last seen:2023-05-13 22:47:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e160ef8e55bb9d162da4e266afd9eef3 (140 x GuLoader, 33 x RemcosRAT, 17 x AgentTesla)
ssdeep 6144:R4SUjhth51nny3OMc1yfpolVBfp7vZmLm56zsoI+vL9sEInDpp:q/1nXMc1yRolrplmLG6g+S/9p
Threatray 607 similar samples on MalwareBazaar
TLSH T17F6412577B89C85FD89C0A7D883A9BFE53733D1C9B25190B2364BF5E38312825F19981
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9b03f098ec7000a8 (6 x GuLoader, 2 x AZORult, 1 x Formbook)
Reporter James_inthe_box
Tags:exe GuLoader

Intelligence

File Origin
# of uploads :
3
# of downloads :
249
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BL017351-00691MDL.exe
Verdict:
Malicious activity
Analysis date:
2023-05-04 13:04:34 UTC
Tags:
installer
Link:
https://app.any.run/tasks/ddd7ed00-4d14-4769-92c9-d8f01d7f894e

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/386532/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66830899.6107.14723.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6453ad43961a21dc785ccf1b/reports/c602a578-f85e-410d-891b-8968915f7ce8/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3fbb047dafd852970c75fe510d4f6b5f0e03ca4cda1f3f8d75764a5103371723
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/e9cffd83-7836-44ad-b8af-0b654879fcf5
Result
Threat name:
GuLoader, Azorult
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1226158
Signature
Found many strings related to Crypto-Wallets (likely being stolen)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
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 Bitcoin Wallet information
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 Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Azorult
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 859124 Sample: BL017351-00691MDL.exe Startdate: 04/05/2023 Architecture: WINDOWS Score: 100 38 gkonekt.shop 2->38 40 zhaoziliao1668.cn 2->40 46 Snort IDS alert for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 4 other signatures 2->52 9 BL017351-00691MDL.exe 1 43 2->9         started        signatures3 process4 file5 24 C:\Users\user\AppData\Local\...\System.dll, PE32 9->24 dropped 26 C:\Users\user\AppData\Local\...\msader15.dll, PE32+ 9->26 dropped 28 C:\Users\user\AppData\Local\...\lang-1037.dll, PE32 9->28 dropped 54 Self deletion via cmd or bat file 9->54 13 BL017351-00691MDL.exe 63 9->13         started        signatures6 process7 dnsIp8 42 gkonekt.shop 172.67.162.220, 49807, 49808, 80 CLOUDFLARENETUS United States 13->42 44 zhaoziliao1668.cn 43.242.131.21, 49806, 80 SONDERCLOUDLIMITED-AS-APSonderCloudLimitedHK Hong Kong 13->44 30 C:\Users\user\AppData\...\vcruntime140.dll, PE32 13->30 dropped 32 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32 13->32 dropped 34 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 13->34 dropped 36 45 other files (none is malicious) 13->36 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->56 58 Tries to steal Instant Messenger accounts or passwords 13->58 60 Tries to steal Mail credentials (via file / registry access) 13->60 62 6 other signatures 13->62 18 cmd.exe 1 13->18         started        file9 signatures10 process11 process12 20 conhost.exe 18->20         started        22 timeout.exe 1 18->22         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3fbb047dafd852970c75fe510d4f6b5f0e03ca4cda1f3f8d75764a5103371723/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2023-05-03 16:14:57 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
20 of 36 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h65qi7np3bjjoddv7ziq2t3ll4hahssm3ipt7dlvozffcazxc4rq._file
Verdict:
malicious
Label(s):
azorult
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
29ef762fd2115e70a9983833788d592be9b846e52e79066341849281067cd57b
GuLoader
599fa7fc07b1b8265ea936ce641733fcec03eb0fe8cc4822e5a752b6629e216e
GuLoader
9063dd7d69236cca3007587ccc04334b4289ec456f6983673f3d9f749092a29c
GuLoader
b8868eb87c7cb945704e2d0b8ec2ebdc890cd6df12f9ef0a7295582c7fd0cf1f
GuLoader
d4227ec9dd2159223342099e0ed7d55c0691fe677ab2fc513c149a137e50ced8
GuLoader
d81faad0d92b453c12c9de5562f2ff509e88743776af0e48b6ed676f538a9892
GuLoader
eeeb1bc5faafbb0921895d6b2bba4d0dce0ef5288e4b22e3eb6ec329b3ef7c6a
GuLoader
+ 597 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:azorult family:guloader downloader infostealer trojan
Link:
https://tria.ge/reports/230504-qaxctace58/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Azorult
Guloader,Cloudeye
Malware Config
C2 Extraction:
http://gkonekt.shop/PL341/index.php
Unpacked files
SH256 hash:
3fbb047dafd852970c75fe510d4f6b5f0e03ca4cda1f3f8d75764a5103371723
MD5 hash:
4a9532c39c0713ce127fdde32ced584c
SHA1 hash:
fbfcb73a34add69f845240b21ba33ec1d90fa5c0
Link:
https://www.unpac.me/results/ed1447a5-be6e-42b5-9a8d-7b157336e307/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3fbb047dafd8/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/3fbb047dafd852970c75fe510d4f6b5f0e03ca4cda1f3f8d75764a5103371723

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/386532/

Comments