MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3b71cc76f43648f26823ecf65fc133a9da6f03fb55f6f9ca0627824ee8862c6b. 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: 11
| SHA256 hash: | 3b71cc76f43648f26823ecf65fc133a9da6f03fb55f6f9ca0627824ee8862c6b |
|---|---|
| SHA3-384 hash: | d998ff5e56670df85294925053398586d9f897f330f5a890fd30e807a45b02862d3a27826ad6b747a1e614867215cd1d |
| SHA1 hash: | b233b9dea1f38aef047c49647dffc3b2f4bd92fd |
| MD5 hash: | 1435368f709805f33eb95ecfd19b8c09 |
| humanhash: | mexico-golf-texas-shade |
| File name: | SecuriteInfo.com.Trojan.Siggen17.32175.20640.31133 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 593'920 bytes |
| First seen: | 2022-04-02 10:29:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:qYa64Bnu9T4kuBzmHnq8MyyqfMYY5zZo:qYWBkT4aHnq8MvVJ5z |
| TLSH | T118C492C3E28041D9EC692B77D077FC3B156BBEBD6AB0648D965DB1725FB3282001AD06 |
| File icon (PE): |  |
| dhash icon | 701815338382a224 (2 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
289
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the Windows directory
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control.exe guloader 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.
Malware family:
GuLoader
Verdict:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-04-01 02:12:27 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
18 of 26 (69.23%)
Threat level:
3/5
Verdict:
malicious
Label(s):
cloudeye
formbook
Result
Malware family:
guloader
Score:
10/10
Tags:
family:formbook family:guloader campaign:eo22 downloader rat spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Formbook Payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
3b71cc76f43648f26823ecf65fc133a9da6f03fb55f6f9ca0627824ee8862c6b
MD5 hash:
1435368f709805f33eb95ecfd19b8c09
SHA1 hash:
b233b9dea1f38aef047c49647dffc3b2f4bd92fd
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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