MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 282e89ab3858800c8fbce89effebd7b9f7b1c280a5ff7639767a6c520f85b350. 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: 12
| SHA256 hash: | 282e89ab3858800c8fbce89effebd7b9f7b1c280a5ff7639767a6c520f85b350 |
|---|---|
| SHA3-384 hash: | 4ca31aa932bcdbe558fc0237206dc4b096dfd42a2ce8ead884cfbde8b84d9848e435504e9234eea3ec827d3deb2504b9 |
| SHA1 hash: | 10f4808a3aac2e77898a2f3471c12b21c783687a |
| MD5 hash: | a82cbfdc35b514daf6c4ce754eb24ffb |
| humanhash: | six-enemy-bakerloo-hawaii |
| File name: | BraveCrashHandler64.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 10'372'608 bytes |
| First seen: | 2023-12-10 11:21:10 UTC |
| Last seen: | 2023-12-10 13:15:24 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 5e5ac8ab7be27ac2d1c548e5589378b6 (11 x GuLoader, 6 x Stealc, 5 x RedLineStealer) |
| ssdeep | 196608:ZF/aURrelzt+x/1DqC37HlR8r+yOT1K+Po4rBv93iweJRMri:/3lOG1DqCTAV+QeSRa |
| Threatray | 315 similar samples on MalwareBazaar |
| TLSH | T177A6336AD5FC428BE5CB4A744449A061E4C7B018DFA33A0CFA711FA9CB3FD5466F5A02 |
| TrID | 34.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 23.4% (.EXE) Win32 Executable (generic) (4505/5/1) 10.7% (.EXE) Win16/32 Executable Delphi generic (2072/23) 10.5% (.EXE) OS/2 Executable (generic) (2029/13) 10.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  Xev |
| Tags: | CoinMiner exe GuLoader |
NIXLovesCooper
https://files.goriem.com/BraveCrashHandler64.exehttps://ewr1.vultrobjects.com/535e553e/BraveCrashHandler64.exe
Intelligence
File Origin
# of uploads :
2
# of downloads :
303
Origin country :
GRVendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Searching for analyzing tools
Enabling the 'hidden' option for files in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a process from a recently created file
DNS request
Sending a custom TCP request
Creating a window
Sending a UDP request
Gathering data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
guloader lolbin packed shell32
Verdict:
Malicious
Labled as:
Malware
Result
Verdict:
MALICIOUS
Malware family:
Spark
Verdict:
Malicious
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-12-10 11:22:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
18 of 23 (78.26%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 305 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Delays execution with timeout.exe
Enumerates processes with tasklist
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
4b6bed580f76f941c30b94d18fefc11b1c3a3ef62382fe12c5f236ac44759950
MD5 hash:
b627c325f9d4526aaaaf6d53374c2f88
SHA1 hash:
90927954ba6b8d5c3e97894fa1a63b87d1db4735
SH256 hash:
282e89ab3858800c8fbce89effebd7b9f7b1c280a5ff7639767a6c520f85b350
MD5 hash:
a82cbfdc35b514daf6c4ce754eb24ffb
SHA1 hash:
10f4808a3aac2e77898a2f3471c12b21c783687a
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Borland |
|---|---|
| Author: | malware-lu |
| Rule name: | command_and_control |
|---|---|
| Author: | CD_R0M_ |
| Description: | This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerException__ConsoleCtrl |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | EnigmaStub |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Enigma packer stub. |
| Rule name: | GoBinTest |
|---|
| Rule name: | golang |
|---|
| Rule name: | golang_binary_string |
|---|---|
| Description: | Golang strings present |
| Rule name: | golang_duffcopy_amd64 |
|---|
| Rule name: | identity_golang |
|---|---|
| Author: | Eric Yocam |
| Description: | find Golang malware |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | RC6_Constants |
|---|---|
| Author: | chort (@chort0) |
| Description: | Look for RC6 magic constants in binary |
| Reference: | https://twitter.com/mikko/status/417620511397400576 |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Other
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