MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a27f9816dec1c18870712cde14590b8cd84e6fa5a92dc7488f8522b9f5c7911. 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: | 4a27f9816dec1c18870712cde14590b8cd84e6fa5a92dc7488f8522b9f5c7911 |
|---|---|
| SHA3-384 hash: | b0057c239e36e0b451adde2dd675ce60752d6a8333c4afd61496aa77e38d20a43a5eb21638e8aa537c9957bf2346843b |
| SHA1 hash: | b482a6afbb0efcca5763d28fd32e092eac7ae7ad |
| MD5 hash: | 609915e8865871b0b131450d661a0ccb |
| humanhash: | mockingbird-stairway-double-ohio |
| File name: | 609915e8865871b0b131450d661a0ccb |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 139'264 bytes |
| First seen: | 2021-10-14 09:49:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | c727a98e677fb7bd25bb06d2a2d956f1 (11 x GuLoader, 1 x Formbook) |
| ssdeep | 1536:f/ZXn+tUXcvKvJeZ3BlbUZC/Vi+iQQiMQcd1R9SGa38YBj7cfb1c5PBTlKr6Cu4W:HZX9svwmfATtEHOA4B90n |
| Threatray | 1'606 similar samples on MalwareBazaar |
| TLSH | T1BFD3919122B09FD8E0A78ABF17E643543132BE3409527D47FA9DBE1E4E761E0819136F |
| File icon (PE): |  |
| dhash icon | 1003873d31213f10 (142 x DarkCloud, 132 x GuLoader, 35 x a310Logger) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
609915e8865871b0b131450d661a0ccb
Verdict:
Suspicious activity
Analysis date:
2021-10-14 09:52:01 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 window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
67%
Tags:
guloader razy
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 FormBook
Detection:
malicious
Classification:
rans.troj.evad.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Found malware configuration
GuLoader behavior detected
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
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Potential malicious icon found
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
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 access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Dropper
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2021-10-14 09:50:05 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Verdict:
malicious
Similar samples:
+ 1'596 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:
4a27f9816dec1c18870712cde14590b8cd84e6fa5a92dc7488f8522b9f5c7911
MD5 hash:
609915e8865871b0b131450d661a0ccb
SHA1 hash:
b482a6afbb0efcca5763d28fd32e092eac7ae7ad
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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