MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3. 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


GurcuStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3
SHA3-384 hash: 811504c6d9ecdcb24b2e7055e9d2e34b0200df09367dc8158e730a52b6df077246c11f4be277e8e26269c64090705969
SHA1 hash: 7442b95da3fe5cae89aac61c7c609105294037c7
MD5 hash: 18d65d34eebb570d3fef21afc23f5806
humanhash: virginia-charlie-triple-stream
File name:file
Download: download sample
Signature GurcuStealer
Create hunting rule
File size:153'032 bytes
First seen:2024-02-01 16:44:08 UTC
Last seen:2024-02-01 18:41:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 3072:1kNnh2p95a59b8sbHzcwTqXkrJLoTV8YifkKLkSEGfr:1kfE5a59b8kHRrWy
TLSH T17AE308CCF28AA712C5D8997C90E6430493B5920BAD05F71D29ADF0A05DB23C97A47E7F
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 0c888a8ccc8aa01c (4 x GurcuStealer, 1 x EternityStealer)
Reporter Bitsight
Tags:exe GurcuStealer


Avatar
Bitsight
url: http://109.107.182.3/lego/build.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
296
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 16:45:08 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/1f80580c-8258-4c97-af1e-35522bfa0bcd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/474067/
Detection(s):
SecuriteInfo.com.Win32.SpywareX-gen.17906.7871.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm overlay packed
Link:
https://www.filescan.io/uploads/65bbca96dc0e133d92c072e0/reports/2007c4ea-ef2b-49c0-8670-5261eba85f15/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.IN.Generic
Link:
https://www.hybrid-analysis.com/sample/0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3
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:
Malicious
Link:
https://analyze.intezer.com/analyses/084651f8-59b5-4cb5-b62e-446de3ff4601
Result
Threat name:
Gurcu Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1385043
Signature
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
Machine Learning detection for dropped file
Machine Learning detection for sample
May use the Tor software to hide its network traffic
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
Sigma detected: Capture Wi-Fi password
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal WLAN passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Gurcu Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1385043 Sample: file.exe Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 70 objects.githubusercontent.com 2->70 72 ip-api.com 2->72 74 github.com 2->74 88 Snort IDS alert for network traffic 2->88 90 Antivirus detection for URL or domain 2->90 92 Sigma detected: Capture Wi-Fi password 2->92 94 7 other signatures 2->94 10 file.exe 7 2->10         started        14 file.exe 2 2->14         started        16 file.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 68 C:\Users\user\AppData\Local\...\file.exe, PE32 10->68 dropped 116 Found many strings related to Crypto-Wallets (likely being stolen) 10->116 118 Self deletion via cmd or bat file 10->118 20 cmd.exe 1 10->20         started        signatures6 process7 signatures8 102 Uses schtasks.exe or at.exe to add and modify task schedules 20->102 104 Uses netsh to modify the Windows network and firewall settings 20->104 106 Tries to harvest and steal WLAN passwords 20->106 23 file.exe 14 47 20->23         started        28 conhost.exe 20->28         started        30 timeout.exe 1 20->30         started        32 2 other processes 20->32 process9 dnsIp10 82 207.60.31.205, 49718, 8080 COGENT-174US United States 23->82 84 ip-api.com 208.95.112.1, 49711, 80 TUT-ASUS United States 23->84 86 3 other IPs or domains 23->86 60 C:\Users\user\AppData\Local\...\zlib1.dll, PE32 23->60 dropped 62 C:\Users\user\AppData\Local\...\tor-real.exe, PE32 23->62 dropped 64 C:\Users\user\AppData\...\tor-gencert.exe, PE32 23->64 dropped 66 8 other malicious files 23->66 dropped 108 Multi AV Scanner detection for dropped file 23->108 110 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->110 112 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 23->112 114 6 other signatures 23->114 34 tor-real.exe 16 23->34         started        38 cmd.exe 1 23->38         started        40 cmd.exe 23->40         started        file11 signatures12 process13 dnsIp14 76 157.90.212.53 REDIRISRedIRISAutonomousSystemES United States 34->76 78 198.50.191.95, 443, 49721 OVHFR Canada 34->78 80 4 other IPs or domains 34->80 96 Found Tor onion address 34->96 98 May use the Tor software to hide its network traffic 34->98 42 conhost.exe 34->42         started        100 Tries to harvest and steal WLAN passwords 38->100 44 conhost.exe 38->44         started        46 chcp.com 38->46         started        48 netsh.exe 38->48         started        50 findstr.exe 38->50         started        52 conhost.exe 40->52         started        54 chcp.com 40->54         started        56 netsh.exe 40->56         started        58 findstr.exe 40->58         started        signatures15 process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3/
Threat name:
ByteCode-MSIL.Trojan.WhiteSnakeStealer
Create hunting rule
Status:
Malicious
First seen:
2024-02-01 16:45:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=bovw525xhdq3w4ojooj2hinm2prkqlwjkcxvhybqvf3mikgi7xrq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection discovery spyware stealer
Link:
https://tria.ge/reports/240201-t9dljaaca6/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Accesses Microsoft Outlook profiles
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
5a9d219ecc4403cb15fe6ea3fbb9b77d7f8b30c0ef2c4da961937e33baa9b675
MD5 hash:
b903e525bcdfcd631332224f9e8b3859
SHA1 hash:
1cd2af3daeac4a43edbfbdefa255ea7a7257641a
Link:
https://www.unpac.me/results/c5440574-b7b9-4928-975d-c4eb79602b61/
SH256 hash:
0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3
MD5 hash:
18d65d34eebb570d3fef21afc23f5806
SHA1 hash:
7442b95da3fe5cae89aac61c7c609105294037c7
Link:
https://www.unpac.me/results/c5440574-b7b9-4928-975d-c4eb79602b61/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GurcuStealer

Executable exe 0bab6eebb738e1bb71c97393a3a1acd3e2a82ec950af53e030a976c428c8fde3

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/474067/
  
URLhaus
https://urlhaus.abuse.ch/url/2754977/

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