MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e15f8680363b613d262149b9674543bd18b7c787721f5490c2de79ecba7c2e9a. 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 File information Comments

SHA256 hash: e15f8680363b613d262149b9674543bd18b7c787721f5490c2de79ecba7c2e9a
SHA3-384 hash: 1a445ed4f0624db76644de869a55195e33022c0e8fe89c1f46dee00fd5a8ed9e577d504f45f8d3632f7edd83c71ec6dc
SHA1 hash: 96515b0870d1458b1954d889fccf820de3fec887
MD5 hash: 1c46ed439b9e8a18f97331d5235a5388
humanhash: utah-comet-fish-xray
File name:new sample order.exe
Download: download sample
Signature GuLoader
File size:175'744 bytes
First seen:2022-09-28 06:55:40 UTC
Last seen:2022-09-29 09:17:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 3072:gcL0bUTppDAYzItWo4ugABedHM9WsM+j7QXfMnlTKjAj1JrXGVfMqqDjbHZfS:KbUTp16fR2sM+jefMlhJrWV72jb5
Threatray 2 similar samples on MalwareBazaar
TLSH T19004F10FE6A4C123C5778A3095BBD2B98EE6ED2C14C15A4F13507F5EBC32691BB1A316
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 a23470b2f0e8f494 (8 x GuLoader)
Reporter lowmal3
Tags:exe GuLoader signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-01-14T02:19:36Z
Valid to:2025-01-13T02:19:36Z
Serial number: 74e1b111597a07b3
Thumbprint Algorithm:SHA256
Thumbprint: 9868da241a4c4cde3fa9f51547ec3cc010ceaa9be82821d840f29dcf63bb389b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
4
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e15f8680363b613d262149b9674543bd18b7c787721f5490c2de79ecba7c2e9a.zip
Verdict:
Malicious activity
Analysis date:
2022-09-28 08:10:07 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
DNS request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
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.
Result
Threat name:
GuLoader, Remcos
Detection:
malicious
Classification:
evad.phis.troj.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
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 browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 711523 Sample: new sample order.exe Startdate: 28/09/2022 Architecture: WINDOWS Score: 100 28 msmapparelsourcing.com 2->28 30 geoplugin.net 2->30 46 Snort IDS alert for network traffic 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 7 other signatures 2->52 8 new sample order.exe 5 26 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 54 Tries to detect Any.run 8->54 12 new sample order.exe 8->12         started        signatures6 process7 dnsIp8 34 91.192.100.12, 2404, 49805, 49806 AS-SOFTPLUSCH Switzerland 12->34 36 geoplugin.net 178.237.33.50, 49807, 80 ATOM86-ASATOM86NL Netherlands 12->36 38 msmapparelsourcing.com 67.222.130.10, 443, 49804 ASN-DISUS United States 12->38 56 Tries to detect Any.run 12->56 58 Maps a DLL or memory area into another process 12->58 60 Sample uses process hollowing technique 12->60 62 Installs a global keyboard hook 12->62 16 new sample order.exe 12->16         started        19 new sample order.exe 12->19         started        21 new sample order.exe 12->21         started        23 13 other processes 12->23 signatures9 process10 dnsIp11 40 Tries to steal Instant Messenger accounts or passwords 16->40 42 Tries to steal Mail credentials (via file / registry access) 16->42 32 192.168.11.1 unknown unknown 23->32 44 Tries to harvest and steal browser information (history, passwords, etc) 23->44 signatures12
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-09-28 03:36:20 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
SH256 hash:
e15f8680363b613d262149b9674543bd18b7c787721f5490c2de79ecba7c2e9a
MD5 hash:
1c46ed439b9e8a18f97331d5235a5388
SHA1 hash:
96515b0870d1458b1954d889fccf820de3fec887
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

GuLoader

Executable exe e15f8680363b613d262149b9674543bd18b7c787721f5490c2de79ecba7c2e9a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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