MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d7347d8a4191e61b13372d61fb5fb884a68ebea6469547edb2915d89f976ae1. 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: 10


Intelligence 10 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2d7347d8a4191e61b13372d61fb5fb884a68ebea6469547edb2915d89f976ae1
SHA3-384 hash: 5aedaea3178a855999feef75a75df4aba5db878c223c82d0f3eb0d7fb31f39930b7f163b606ec1165ffa1d222ae74a50
SHA1 hash: e1f678b47a33d8d8d1057320aa6fa90fd5fbd6a7
MD5 hash: d95381111380c6d9985700cb6c0ff344
humanhash: alaska-zulu-alpha-romeo
File name:GoogleCrashHandler64.exe
Download: download sample
Signature GuLoader
Create hunting rule
File size:59'233'280 bytes
First seen:2023-11-28 15:17:02 UTC
Last seen:2023-11-28 17:17:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5e5ac8ab7be27ac2d1c548e5589378b6 (11 x GuLoader, 6 x Stealc, 5 x RedLineStealer)
ssdeep 1572864:oEeDVru0fSHIhX1cldnZj/Hthg4bS2TR/a:o7fl14nR/Hthg4bSE
TLSH T181D7339A0E935F42E5CB24BF55854C57BA6D869341801E08F26F1EC40B6F787DEE2BE0
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


Avatar
NIXLovesCooper
https://s3.us-east-1.amazonaws.com/010ad332/GoogleCrashHandler64.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
343
Origin country :
GR GR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Sending a custom TCP request
Searching for synchronization primitives
Creating a process from a recently created file
DNS request
Connecting to a cryptocurrency mining pool
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed shell32
Link:
https://www.filescan.io/uploads/656604756d3af19226743974/reports/6f73de9c-fa4c-4bfc-88e0-541aadca391a/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2d7347d8a4191e61b13372d61fb5fb884a68ebea6469547edb2915d89f976ae1
Result
Verdict:
MALICIOUS
Result
Threat name:
Nanominer, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349370
Signature
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
DNS related to crypt mining pools
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
Tries to detect sandboxes and other dynamic analysis tools (window names)
Very long command line found
Yara detected Nanominer
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1349370 Sample: GoogleCrashHandler64.exe Startdate: 28/11/2023 Architecture: WINDOWS Score: 100 33 ergo-us-west1.nanopool.org 2->33 35 ergo-us-east1.nanopool.org 2->35 37 25 other IPs or domains 2->37 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected Nanominer 2->53 55 Yara detected Xmrig cryptocurrency miner 2->55 59 3 other signatures 2->59 8 GoogleCrashHandler64.exe 6 2->8         started        signatures3 57 DNS related to crypt mining pools 35->57 process4 file5 25 C:\Users\user\AppData\Local\...\service.dll, PE32+ 8->25 dropped 27 C:\Users\user\AppData\...\nvrtc64_120_0.dll, PE32+ 8->27 dropped 29 C:\Users\user\...\nvrtc-builtins64_120.dll, PE32+ 8->29 dropped 31 C:\Users\user\AppData\Local\...\dlIhost.exe, PE32+ 8->31 dropped 61 Detected unpacking (changes PE section rights) 8->61 63 Tries to detect sandboxes and other dynamic analysis tools (window names) 8->63 65 Hides threads from debuggers 8->65 12 cmd.exe 1 8->12         started        signatures6 process7 signatures8 67 Very long command line found 12->67 15 dlIhost.exe 1 12->15         started        19 conhost.exe 12->19         started        21 tasklist.exe 1 12->21         started        23 5 other processes 12->23 process9 dnsIp10 39 pool.tr.woolypooly.com 5.188.190.185, 3100, 3112, 49729 SHOCK-1US Russian Federation 15->39 41 br1.kaspa-pool.org 216.238.111.59, 4444, 49764, 49765 RAZOR-PHLUS United States 15->41 43 23 other IPs or domains 15->43 45 Multi AV Scanner detection for dropped file 15->45 47 Detected unpacking (changes PE section rights) 15->47 49 Hides threads from debuggers 15->49 signatures11
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2d7347d8a4191e61b13372d61fb5fb884a68ebea6469547edb2915d89f976ae1
Gathering data
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-11-28 15:18:12 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fvzupwfedepgdmjtollb7np3rbfgr27kmruvi7w3fek5rh4xnlqq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/231128-sn27bsba7s/
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
Executes dropped EXE
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
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

CoinMiner

Executable exe 3aaeda2f9d9086b9960c4d19e18fbd3b0033de7fc43dbf3b647f70a9ac0926f2

GuLoader

Executable exe 2d7347d8a4191e61b13372d61fb5fb884a68ebea6469547edb2915d89f976ae1

(this sample)

  
Dropped by
SHA256 3aaeda2f9d9086b9960c4d19e18fbd3b0033de7fc43dbf3b647f70a9ac0926f2
  
URLhaus
https://urlhaus.abuse.ch/url/2736200/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 cab9ec528dab8361797680046e26a13a

Comments