MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 631d7e6e0d9b03928ea24c0f846e3aad741bd675b8837035e8bdc028dc25fc98. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 631d7e6e0d9b03928ea24c0f846e3aad741bd675b8837035e8bdc028dc25fc98
SHA3-384 hash: 70821aa3fc6270dee510191c29e23d8474bcec0371b6e3980672b87a953ef5eef757ef4faae74915df66946d8675d261
SHA1 hash: 95f2c1a9ae32d39ed616d2007bbcf6f74feba18f
MD5 hash: 5a1a37fb68eeb445df8c647dab8af952
humanhash: jersey-batman-potato-cardinal
File name:5a1a37fb68eeb445df8c647dab8af952.exe
Download: download sample
Signature GurcuStealer
Create hunting rule
File size:49'664 bytes
First seen:2023-03-30 14:58:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 768:4g/hgfJYO9KqosayemfSbvZ5l9GCAPk2/PWC/cEnUSBQtP9:R/hgGO9KrHmKbvtelRJnUSBiP9
Threatray 166 similar samples on MalwareBazaar
TLSH T10823A451FD84892CD5899271C86E43404B7BAF9B6F03DBCD885DE7459BCAAC4CA87B0C
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 372b59696d6d1323 (1 x GurcuStealer)
Reporter 0x746f6d6669
Tags:exe GurcuStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5a1a37fb68eeb445df8c647dab8af952.exe
Verdict:
No threats detected
Analysis date:
2023-03-30 15:00:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f65e5707-9ff5-4d12-b963-5296010c2397

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/378864/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.25609.25930.15724.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Reading critical registry keys
Creating a window
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo packed
Link:
https://www.filescan.io/uploads/6425a3b784fe7631c302f5de/reports/18a4c4f8-6712-4cdb-b32e-93713f0a2909/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/631d7e6e0d9b03928ea24c0f846e3aad741bd675b8837035e8bdc028dc25fc98
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:
WhiteSnake
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5bb25f26-e148-48db-8f7a-7b14a32ff1e1
Result
Threat name:
Gurcu Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1205288
Signature
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses the Telegram API (likely for C&C communication)
Yara detected Gurcu Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/631d7e6e0d9b03928ea24c0f846e3aad741bd675b8837035e8bdc028dc25fc98/
Threat name:
ByteCode-MSIL.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 07:43:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mmox43qntmbzfdvcjqhyi3r2vv2bxvtvxcbxanpixxacrxbf7sma._file
Verdict:
malicious
Similar samples:
1aa3321c7e05114a5e58a78fdd743d46e32b09769ee53b487bd0c3a6193386e3
GurcuStealer
5fe32142dcc57fbdf2a827abcbf92f22d0e6b84aeb1d94f7a3c1c9f674d7567b
GurcuStealer
66e254d86a825aaba511f1d0b75ceb4520fa38d518b305a770a03fdb17dc1243
GurcuStealer
6f794b0ad47895b9d8a0d5285928531c71f79d5d8e1f05de266884fd6dab79f9
GurcuStealer
7f69f2fe22dfaa47d7fdb7dd3a78b6feae38ea490dc2b81b7d044cd64836429b
GurcuStealer
b0c20be8cd907cafce9bc82d2e768350d0591d3938defa85f905ff598249b93d
GurcuStealer
b47f96ba63f6861ef3d07ef0bc62d99ce4bd809c79a3121cc3ed18bee2a51358
GurcuStealer
e42a1f5775b6daddf2fef6bf8eb94edd4acf2bbeb6cc278b375feaba1fb030a6
GurcuStealer
e890b9a76c6f9b47913ad5102fd668b556234c6be3488580577a03ed3f61b62c
GurcuStealer
+ 156 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230330-scqn6adb45/
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
631d7e6e0d9b03928ea24c0f846e3aad741bd675b8837035e8bdc028dc25fc98
MD5 hash:
5a1a37fb68eeb445df8c647dab8af952
SHA1 hash:
95f2c1a9ae32d39ed616d2007bbcf6f74feba18f
Link:
https://www.unpac.me/results/f08af7ad-71ac-414a-aa36-022b4b9521cc/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/631d7e6e0d9b/report/overview.html
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/631d7e6e0d9b03928ea24c0f846e3aad741bd675b8837035e8bdc028dc25fc98

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/378864/

Comments