MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 05d4b6fb977b10ac13de1711ff83419415b730c99fc463d7159111418b64b702. 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
| SHA256 hash: | 05d4b6fb977b10ac13de1711ff83419415b730c99fc463d7159111418b64b702 |
|---|---|
| SHA3-384 hash: | 541a3bd2a9d5ee6736ef5a6e63894127d16dd6ef1ef667369771ff320b18efd61e00d3a992226ef81c4525afec262277 |
| SHA1 hash: | d809b236d5261fa59011035140c6caf84ef6e4b5 |
| MD5 hash: | d9c934512268b08f37fe7cf90a5b2d46 |
| humanhash: | social-illinois-purple-missouri |
| File name: | SecuriteInfo.com.W32.AIDetect.malware2.9999.29318 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 196'312 bytes |
| First seen: | 2022-02-14 11:02:31 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 56a78d55f3f7af51443e58e0ce2fb5f6 (723 x GuLoader, 451 x Formbook, 295 x Loki) |
| ssdeep | 3072:/bG7N2kDTHUpouuC2HXrBUPblI6Ay6MBFmi38360yVy0wAvTUn7LnZGQiIqqb5bP:/bE/HUGfXraO6ARE709AAnZMIqqZ |
| Threatray | 1'561 similar samples on MalwareBazaar |
| TLSH | T11314F222BBD08E53D072423918269E768FBAD9351951DF4713127F893FF7241DA2E236 |
| File icon (PE): |  |
| dhash icon | 60dcb0e088befce4 (2 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Hogchoker6 |
|---|---|
| Issuer: | Hogchoker6 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-02-13T19:21:09Z |
| Valid to: | 2023-02-13T19:21:09Z |
| 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: | 705ef2ae36cb2d795271580e40a58fd1f4a77ef43d237cca4c49c6e6cad7e653 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2022-02-14 09:58:41 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Gathering data
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:
Unknown
Result
Threat name:
FormBook GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
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)
Multi AV Scanner detection for domain / URL
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: New RUN Key Pointing to Suspicious Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Downloader.GuLoader
Status:
Malicious
First seen:
2022-02-14 11:03:09 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
11 of 28 (39.29%)
Threat level:
3/5
Verdict:
unknown
Similar samples:
+ 1'551 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Drops file in Windows directory
Loads dropped DLL
Guloader,Cloudeye
Unpacked files
SH256 hash:
8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
MD5 hash:
cff85c549d536f651d4fb8387f1976f2
SHA1 hash:
d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SH256 hash:
c371c8919dac2275bee7e24594ad3fd31b7f7516e5b592c014f56761fd4068aa
MD5 hash:
cd89f2d16d767523163a07f61856e6ed
SHA1 hash:
0e3a8fc956813eb1b6e25f73e23f881f4c89a66e
SH256 hash:
05d4b6fb977b10ac13de1711ff83419415b730c99fc463d7159111418b64b702
MD5 hash:
d9c934512268b08f37fe7cf90a5b2d46
SHA1 hash:
d809b236d5261fa59011035140c6caf84ef6e4b5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
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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