MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a9f9baa69dd0b15747c01aa676052b3de1f173f5da7928b8816a7c8779065358. 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
Grandoreiro
Vendor detections: 9
| SHA256 hash: | a9f9baa69dd0b15747c01aa676052b3de1f173f5da7928b8816a7c8779065358 |
|---|---|
| SHA3-384 hash: | 526835a6f73b62c8791f637b155f3942f23f6be56fbf81254822ed922dad091d54988a502b870122d326b9087526a6b7 |
| SHA1 hash: | 924a0fb8c3cfec12f34ef6f782bcd95734d36f15 |
| MD5 hash: | 9f370a4d78e168070152cd7a62c93ea0 |
| humanhash: | uniform-hot-orange-indigo |
| File name: | 03202329.arcvfile..695876870.vbs |
| Download: | download sample |
| Signature | Grandoreiro |
| File size: | 12'541 bytes |
| First seen: | 2023-03-30 09:05:13 UTC |
| Last seen: | Never |
| File type: |  vbs |
| MIME type: | text/plain |
| ssdeep | 384:50SN0S20S20S20S20S20SK1y0S20SCu+JK1Q:50SN0S20S20S20S20S20SAy0S20SCu+v |
| TLSH | T10A42F087BB47493AC07290899D27944EC7E0258B52248576BAECE4C73F7949CDFB1B1C |
| Reporter |  JAMESWT_WT |
| Tags: | Grandoreiro vbs |
Intelligence
File Origin
# of uploads :
1
# of downloads :
130
Origin country :
ITVendor Threat Intelligence
Detection:
n/a
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
evasive obfuscated
Verdict:
Malicious
Labled as:
GT:VB.ObfDldr.23
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Benign windows process drops PE files
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with function prologues
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Potential malicious VBS script found (has network functionality)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses known network protocols on non-standard ports
VBScript performs obfuscated calls to suspicious functions
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-03-30 06:02:47 UTC
File Type:
Text (VBS)
AV detection:
4 of 35 (11.43%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
grandoreiro
Score:
10/10
Tags:
family:grandoreiro banker persistence trojan
Behaviour
Modifies registry class
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Detects Grandoreiro payload
Grandoreiro
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.
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