Analysis
-
max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
27-05-2024 23:32
Static task
static1
Behavioral task
behavioral1
Sample
6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe
Resource
win7-20231129-en
General
-
Target
6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe
-
Size
2.0MB
-
MD5
d73f74414a8901e5fe110c33426984b6
-
SHA1
3c3dee0d190b1418cc5037da53064772879d4f63
-
SHA256
6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845
-
SHA512
cecabc1a921331b71b04f1b13748d005585508d935ed379ed0dcfa136267b71725f4b5e5adbad8407f51496f22613de01bae2c3942afd34b4ed4ff5a5cb8eb14
-
SSDEEP
49152:OePpQEtJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEttIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
-
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
-
Detect Vidar Stealer 14 IoCs
Processes:
resource yara_rule behavioral2/memory/3140-1-0x0000000004090000-0x00000000041D9000-memory.dmp family_vidar_v7 behavioral2/memory/2740-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Detect binaries embedding considerable number of MFA browser extension IDs. 10 IoCs
Processes:
resource yara_rule behavioral2/memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 10 IoCs
Processes:
resource yara_rule behavioral2/memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects Windows executables referencing non-Windows User-Agents 13 IoCs
Processes:
resource yara_rule behavioral2/memory/2740-8-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-9-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-4-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 10 IoCs
Processes:
resource yara_rule behavioral2/memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 13 IoCs
Processes:
resource yara_rule behavioral2/memory/2740-8-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-9-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-4-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables containing potential Windows Defender anti-emulation checks 13 IoCs
Processes:
resource yara_rule behavioral2/memory/2740-8-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-9-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-4-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation -
Downloads MZ/PE file
-
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
kat516C.tmpdescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation kat516C.tmp -
Executes dropped EXE 1 IoCs
Processes:
kat516C.tmppid process 2740 kat516C.tmp -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exedescription pid process target process PID 3140 set thread context of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat516C.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat516C.tmp -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1888 timeout.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
kat516C.tmppid process 2740 kat516C.tmp 2740 kat516C.tmp 2740 kat516C.tmp 2740 kat516C.tmp -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exekat516C.tmpcmd.exedescription pid process target process PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 3140 wrote to memory of 2740 3140 6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe kat516C.tmp PID 2740 wrote to memory of 4828 2740 kat516C.tmp cmd.exe PID 2740 wrote to memory of 4828 2740 kat516C.tmp cmd.exe PID 2740 wrote to memory of 4828 2740 kat516C.tmp cmd.exe PID 4828 wrote to memory of 1888 4828 cmd.exe timeout.exe PID 4828 wrote to memory of 1888 4828 cmd.exe timeout.exe PID 4828 wrote to memory of 1888 4828 cmd.exe timeout.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe"C:\Users\Admin\AppData\Local\Temp\6f70feca23db40bc38ee96e342114a34c9391b156f0af2f37bd691c155aee845.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3140 -
C:\Users\Admin\AppData\Local\Temp\kat516C.tmpC:\Users\Admin\AppData\Local\Temp\kat516C.tmp2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\kat516C.tmp" & rd /s /q "C:\ProgramData\EHJDHJKFIECA" & exit3⤵
- Suspicious use of WriteProcessMemory
PID:4828 -
C:\Windows\SysWOW64\timeout.exetimeout /t 104⤵
- Delays execution with timeout.exe
PID:1888
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Temp\kat516C.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
-
memory/2740-33-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-61-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-18-0x000000001DBA0000-0x000000001DDFF000-memory.dmpFilesize
2.4MB
-
memory/2740-64-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-32-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-14-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-49-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-63-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-15-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-62-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-50-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/2740-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
-
memory/3140-0-0x00000000007F0000-0x00000000007F1000-memory.dmpFilesize
4KB
-
memory/3140-1-0x0000000004090000-0x00000000041D9000-memory.dmpFilesize
1.3MB
-
memory/3140-10-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB