MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79cd56666ffe77fc5ca5b60593d7ec519ee99b2a9dc5d09fe7f226f919de8a15. 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: 6


Intelligence 6 IOCs YARA File information Comments

SHA256 hash: 79cd56666ffe77fc5ca5b60593d7ec519ee99b2a9dc5d09fe7f226f919de8a15
SHA3-384 hash: f8090926d7d2431c59847539b3fe6983412685b86d56491b696adcbbb4494c77efec17268a5130d6b67c12ce6828940b
SHA1 hash: 69cbb5e786b9d29fb6dbf914822b1cfc583b3990
MD5 hash: e2af13bdaf348b4ef5b3c0e100acf17e
humanhash: north-princess-speaker-montana
File name:Struggleres5.exe
Download: download sample
Signature GuLoader
File size:90'112 bytes
First seen:2021-09-28 13:21:47 UTC
Last seen:2021-10-04 08:21:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e73b8c032c82c64991ebe487a7ffcd43 (12 x GuLoader)
ssdeep 1536:tqRKIhLGHAwRuyxMkix3WhrxkDYn1srR:tqRKoLGHAwRJPix3WN6DY1g
Threatray 944 similar samples on MalwareBazaar
TLSH T1ED936B223DC88CB0FF4806F66C3D98B81425AF5D9D529FA3ECA9951518FB2409CE771E
File icon (PE):PE icon
dhash icon a01cb88c8c8c8cb0 (12 x GuLoader, 1 x RemcosRAT)
Reporter malwarelabnet
Tags:exe GuLoader

Intelligence


File Origin
# of uploads :
3
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Struggleres5.exe
Verdict:
No threats detected
Analysis date:
2021-09-28 16:40:40 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
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
AgentTesla GuLoader
Detection:
malicious
Classification:
troj.evad.spre.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found malware configuration
Hides threads from debuggers
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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)
Sigma detected: RegAsm connects to smtp port
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 access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1389 Sample: Struggleres5.exe Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 39 tccinfaes.com 2->39 41 mail.tccinfaes.com 2->41 43 5 other IPs or domains 2->43 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Antivirus detection for URL or domain 2->55 57 5 other signatures 2->57 8 Struggleres5.exe 1 2->8         started        11 mpam-5d2f7208.exe 4 2->11         started        14 wevtutil.exe 8 1 2->14         started        16 4 other processes 2->16 signatures3 process4 dnsIp5 67 Writes to foreign memory regions 8->67 69 Tries to detect Any.run 8->69 71 Hides threads from debuggers 8->71 19 RegAsm.exe 17 8->19         started        31 C:\Windows\ServiceProfiles\...\mpavdlta.vdm, PE32+ 11->31 dropped 33 C:\Windows\ServiceProfiles\...\mpasdlta.vdm, PE32+ 11->33 dropped 35 C:\Windows\ServiceProfiles\...\MpSigStub.exe, PE32+ 11->35 dropped 23 MpSigStub.exe 1 11->23         started        25 conhost.exe 14->25         started        37 127.0.0.1 unknown unknown 16->37 27 conhost.exe 16->27         started        file6 signatures7 process8 dnsIp9 45 tccinfaes.com 188.93.227.195, 49780, 49781, 587 CLARANET-ASClaraNETLTDGB Portugal 19->45 47 googlehosted.l.googleusercontent.com 142.250.184.193, 443, 49769 GOOGLEUS United States 19->47 49 drive.google.com 142.250.186.78, 443, 49768 GOOGLEUS United States 19->49 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->61 63 Tries to steal Mail credentials (via file access) 19->63 65 5 other signatures 19->65 29 conhost.exe 19->29         started        signatures10 process11
Threat name:
Win32.Trojan.Mucc
Status:
Malicious
First seen:
2021-09-28 13:22:09 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
guloader
Score:
  10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
79cd56666ffe77fc5ca5b60593d7ec519ee99b2a9dc5d09fe7f226f919de8a15
MD5 hash:
e2af13bdaf348b4ef5b3c0e100acf17e
SHA1 hash:
69cbb5e786b9d29fb6dbf914822b1cfc583b3990
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.

Comments