MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 df73eb67c77011507825a9f915a5b2ef04a51e071e65c87409291eabf2307e64. 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: 8
| SHA256 hash: | df73eb67c77011507825a9f915a5b2ef04a51e071e65c87409291eabf2307e64 |
|---|---|
| SHA3-384 hash: | bb1c100a4f64ea0fe32c913417aa9a033e5c697bbc01675fd42dda73ab2cf8a07877307c57b40c5bed2add1f5343b033 |
| SHA1 hash: | b6cd3e3747d1e35093cdeca39726f2e21954ccad |
| MD5 hash: | 1f563d126e328d5f75a96738a3bfdedd |
| humanhash: | summer-timing-magazine-fourteen |
| File name: | 1f563d126e328d5f75a96738a3bfdedd |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 255'064 bytes |
| First seen: | 2021-07-29 10:23:17 UTC |
| Last seen: | 2021-07-29 13:05:11 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d4ddbfb32d829f09195ac39344cde3ef (1 x GuLoader) |
| ssdeep | 1536:LPKJncBrYuThd3HeWv2WSeQbl4kHTdlCYi:OuVo154Sdl3i |
| Threatray | 14 similar samples on MalwareBazaar |
| TLSH | T1054418505BA83C66E408F837EB43B460A1B5F4B79E4C8793E4C476159CB5EB287B03DA |
| dhash icon | e8cc8c8e8e8ecce8 (5 x GuLoader) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader signed |
Code Signing Certificate
| Organisation: | SKJO |
|---|---|
| Issuer: | SKJO |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2021-07-29T08:00:45Z |
| Valid to: | 2022-07-29T08:00:45Z |
| Serial number: | 00 |
| Intelligence: | 325 malware samples on MalwareBazaar are signed with this code signing certificate |
| Cert Central Blocklist: | This certificate is on the Cert Central blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 4e3145c0e02eca97154203c9c9686543a32a92226118fe058ac0e95be8847fc3 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
3
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order 001.xlsx
Verdict:
Malicious activity
Analysis date:
2021-07-29 09:39:44 UTC
Tags:
encrypted exploit CVE-2017-11882 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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
GuLoader FormBook
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
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
GuLoader behavior detected
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2021-07-29 10:24:13 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
10 of 28 (35.71%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
suspicious
Similar samples:
+ 4 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of SetWindowsHookEx
Guloader,Cloudeye
Unpacked files
SH256 hash:
df73eb67c77011507825a9f915a5b2ef04a51e071e65c87409291eabf2307e64
MD5 hash:
1f563d126e328d5f75a96738a3bfdedd
SHA1 hash:
b6cd3e3747d1e35093cdeca39726f2e21954ccad
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
Comments
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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://180.214.239.39/excel/.svchost.exe