MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1fc65a967ab063e5d58e0358b81f9eca048b47013f1e2b1383d8f028b114cffd. 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: 9
| SHA256 hash: | 1fc65a967ab063e5d58e0358b81f9eca048b47013f1e2b1383d8f028b114cffd |
|---|---|
| SHA3-384 hash: | b84904389beafdfa7b283f344ae5041886cde0b0bd992914e2b0782ea5932ac9662347f1c64f084ae9ae1da9782627cd |
| SHA1 hash: | e96e7c1caabb6a9250982fdf9a370e62406fc384 |
| MD5 hash: | 66be55da9e2ab05f8452bf8a3de2707c |
| humanhash: | happy-whiskey-spaghetti-berlin |
| File name: | 66be55da9e2ab05f8452bf8a3de2707c |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 118'784 bytes |
| First seen: | 2021-07-06 16:53:46 UTC |
| Last seen: | 2021-07-06 19:52:25 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 773df40b486ba5eea01d9fbfa70abb4f (6 x GuLoader) |
| ssdeep | 3072:hbD/Xiw+FdW1vjxgDsSG7UsPDKV6UZikvQi:hgFdKLx2sSG4aDQLZ |
| Threatray | 897 similar samples on MalwareBazaar |
| TLSH | 7AC35BA3B6D95CA1FED14F701471D9263726BC3078939E1F3643BAAA7C32602657062F |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
279
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
iso certificate.js
Verdict:
Malicious activity
Analysis date:
2021-07-06 16:17:06 UTC
Tags:
trojan loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
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:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Detection:
guloader
Threat name:
Win32.Trojan.Graftor
Status:
Malicious
First seen:
2021-07-06 07:44:15 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
14 of 29 (48.28%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 887 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Malware Config
C2 Extraction:
https://onedrive.live.com/download?cid=A5C737E2685BE1EB&resid=A5C737E2685BE1EB%21160&authkey=AHaARqgUe7vtV_E
Unpacked files
SH256 hash:
1fc65a967ab063e5d58e0358b81f9eca048b47013f1e2b1383d8f028b114cffd
MD5 hash:
66be55da9e2ab05f8452bf8a3de2707c
SHA1 hash:
e96e7c1caabb6a9250982fdf9a370e62406fc384
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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