MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ffc1b9735633836ed935e403d56dd31a464f39c0814e22cb19bb3af6cd54b270. 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



ArkeiStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: ffc1b9735633836ed935e403d56dd31a464f39c0814e22cb19bb3af6cd54b270
SHA3-384 hash: 0209e46b4f18c0245e47779ed9675d3fc6e40bb2905ae800402d985789c885a0f60c374efc7996c0cfed24040361a14b
SHA1 hash: e475c1dd2a57f48635097265a889d2c1e61ef33d
MD5 hash: b2358e0ea842b20dd6d9719cd53b3bd9
humanhash: london-lion-summer-double
File name:somevilthing_trimmed.scr
Download: download sample
Signature ArkeiStealer
File size:3'102'720 bytes
First seen:2022-06-07 18:44:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a56f115ee5ef2625bd949acaeec66b76 (53 x Stealc, 47 x PureHVNC, 33 x CoinMiner)
ssdeep 24576:R9/FqP1eKCyvYGkN9H+MHCNcKUgPfwz2+GBIWbM1rh6aBltqDwECs4HWaMJPIPP/:R9No1hC4MHCNfz+EMhFpYJolpWTeT
TLSH T109E57BA47F96B5EBF2761838EB879C02831C36578904D80BB99C353DB787F405D8AAC5
TrID 58.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
12.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
3.8% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 3080888c8c888030 (3 x CoinMiner, 1 x ArkeiStealer)
Reporter node5
Tags:ArkeiStealer exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
365
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
somevilthing_trimmed.scr
Verdict:
Suspicious activity
Analysis date:
2022-06-07 18:41:45 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for analyzing tools
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a window
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe expand.exe packed remote.exe replace.exe shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Infostealer.Fragtor
Status:
Malicious
First seen:
2022-06-07 18:45:27 UTC
File Type:
PE (Exe)
Extracted files:
210
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery evasion spyware stealer suricata themida trojan
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Checks BIOS information in registry
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Themida packer
Identifies VirtualBox via ACPI registry values (likely anti-VM)
suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
Unpacked files
SH256 hash:
ffc1b9735633836ed935e403d56dd31a464f39c0814e22cb19bb3af6cd54b270
MD5 hash:
b2358e0ea842b20dd6d9719cd53b3bd9
SHA1 hash:
e475c1dd2a57f48635097265a889d2c1e61ef33d
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:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload

File information


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

Comments