Analysis
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max time kernel
93s -
max time network
124s -
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 19:40
Static task
static1
Behavioral task
behavioral1
Sample
1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe
Resource
win7-20240221-en
General
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Target
1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe
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Size
2.0MB
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MD5
f3fa120953f852dc95de617a6f2dc6b4
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SHA1
f6c223826fd3af1a4cdc6a562313670a9ac9c916
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SHA256
1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927
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SHA512
e31ba4087eb1fac0511b55293e1769e3267ece05689cda155a04f6c144dff0cd99430438132b3958388165f8a47ff8d52d5116374dac903100e8d04ea11ba9b3
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SSDEEP
49152:OePpQElJtTF+TxMoxc1TU+j+dAzGwlrh:OePpQEltIuoITsdZ
Malware Config
Extracted
stealc
Extracted
vidar
https://steamcommunity.com/profiles/76561199689717899
https://t.me/copterwin
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:128.0) Gecko/20100101 Firefox/128.0
Signatures
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Detect Vidar Stealer 8 IoCs
Processes:
resource yara_rule behavioral2/memory/3220-1-0x0000000004140000-0x0000000004289000-memory.dmp family_vidar_v7 behavioral2/memory/4228-8-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4228-9-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4228-4-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 behavioral2/memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmp family_vidar_v7 -
Detect binaries embedding considerable number of MFA browser extension IDs. 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs behavioral2/memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs -
Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs behavioral2/memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs -
Detects Windows executables referencing non-Windows User-Agents 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4228-8-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4228-9-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4228-4-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA behavioral2/memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 4 IoCs
Processes:
resource yara_rule behavioral2/memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers behavioral2/memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_Binary_References_Browsers -
Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4228-8-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4228-9-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4228-4-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL behavioral2/memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL -
Detects executables containing potential Windows Defender anti-emulation checks 7 IoCs
Processes:
resource yara_rule behavioral2/memory/4228-8-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4228-9-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4228-4-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation behavioral2/memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmp INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
kat30A5.tmppid process 4228 kat30A5.tmp -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exedescription pid process target process PID 3220 set thread context of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp -
Checks processor information in registry 2 TTPs 1 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
kat30A5.tmpdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString kat30A5.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
kat30A5.tmppid process 4228 kat30A5.tmp 4228 kat30A5.tmp -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exedescription pid process target process PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp PID 3220 wrote to memory of 4228 3220 1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe kat30A5.tmp
Processes
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C:\Users\Admin\AppData\Local\Temp\1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe"C:\Users\Admin\AppData\Local\Temp\1e6da474e836fc49b5db4d5324ba44f784ed42b21019f89a439fa8086fd71927.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3220 -
C:\Users\Admin\AppData\Local\Temp\kat30A5.tmpC:\Users\Admin\AppData\Local\Temp\kat30A5.tmp2⤵
- Executes dropped EXE
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4228
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\kat30A5.tmpFilesize
861KB
MD566064dbdb70a5eb15ebf3bf65aba254b
SHA10284fd320f99f62aca800fb1251eff4c31ec4ed7
SHA2566a94dbda2dd1edcff2331061d65e1baf09d4861cc7ba590c5ec754f3ac96a795
SHA512b05c6c09ae7372c381fba591c3cb13a69a2451b9d38da1a95aac89413d7438083475d06796acb5440cd6ec65b030c9fa6cbdaa0d2fe91a926bae6499c360f17f
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memory/3220-0-0x00000000008B0000-0x00000000008B1000-memory.dmpFilesize
4KB
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memory/3220-1-0x0000000004140000-0x0000000004289000-memory.dmpFilesize
1.3MB
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memory/3220-10-0x0000000000400000-0x0000000000612000-memory.dmpFilesize
2.1MB
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memory/4228-8-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4228-9-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4228-4-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4228-19-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4228-20-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4228-22-0x0000000025F80000-0x00000000261DF000-memory.dmpFilesize
2.4MB
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memory/4228-37-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB
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memory/4228-38-0x0000000000400000-0x0000000000646000-memory.dmpFilesize
2.3MB