Analysis
- max time kernel
21s - max time network
17s - platform
windows10-2004_x64 - resource
win10v2004-20250619-en - resource tags
arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system - submitted
02/07/2025, 04:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
ExeLock.exe
Resource
win10v2004-20250619-en
7 signatures
150 seconds
General
- Target ExeLock.exe
- Size 1.3MB
- Sample250702-e763qshk41
- SHA256 81e66721d27805184cdfc798b8fd0fa2c9ba7a5e65b040fb2c52071d61fc86e1
- MD5 a236f8bdfbaf2fb1db2ecb4013d2e932
- SHA1 178f1899174feb60cbff252bbd83647f93e5c862
- SHA512 8daf62d3a54256ade03cb02b157c367539ac1c09d4bf2fce69c7a18d4e6e3902bd4f7ff7323d2a8ac98cfadff8f872cc217f75b4146ab88f1d20e344fd8f30ef
- SSDEEP 24576:7I39dC77zO1sX+EQ0JH29eEiDpvVA9fBGYopuYxI2JBIUowuzwke2XhgebVKo0Le:76dC7mUQ1iVtwgYopuP2JWUo7NRVbv4e
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1260 is-13CVM.tmp 3992 ExeLock_EN.exe - Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 5 IoCs
description ioc Process File created C:\Program Files (x86)\ExeLock\unins000.dat is-13CVM.tmp File created C:\Program Files (x86)\ExeLock\is-NDHKH.tmp is-13CVM.tmp File created C:\Program Files (x86)\ExeLock\is-SK34S.tmp is-13CVM.tmp File opened for modification C:\Program Files (x86)\ExeLock\ExeLock.url is-13CVM.tmp File opened for modification C:\Program Files (x86)\ExeLock\unins000.dat is-13CVM.tmp - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language is-13CVM.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ExeLock_EN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ExeLock.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3992 ExeLock_EN.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2536 wrote to memory of 1260 2536 ExeLock.exe 84 PID 2536 wrote to memory of 1260 2536 ExeLock.exe 84 PID 2536 wrote to memory of 1260 2536 ExeLock.exe 84 PID 1260 wrote to memory of 3992 1260 is-13CVM.tmp 99 PID 1260 wrote to memory of 3992 1260 is-13CVM.tmp 99 PID 1260 wrote to memory of 3992 1260 is-13CVM.tmp 99
Processes
-
C:\Users\Admin\AppData\Local\Temp\ExeLock.exe"C:\Users\Admin\AppData\Local\Temp\ExeLock.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536 -
C:\Users\Admin\AppData\Local\Temp\is-87CRT.tmp\is-13CVM.tmp"C:\Users\Admin\AppData\Local\Temp\is-87CRT.tmp\is-13CVM.tmp" /SL4 $C0078 "C:\Users\Admin\AppData\Local\Temp\ExeLock.exe" 1044714 522242⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1260 -
C:\Program Files (x86)\ExeLock\ExeLock_EN.exe"C:\Program Files (x86)\ExeLock\ExeLock_EN.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:3992
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Program Files (x86)\ExeLock\ExeLock_EN.exe
- Size 2.3MB
- SHA256 9ee05c51eddfb23bcdf29f0938cccd6f11f095e5fbef02a5387753a91029da49
- MD5 060ce44ee438b29453356fc9456e5236
- SHA1 6b5cc8749bda41c022255675710f4bbab5261bf2
- SHA512 9b6886da509cf71970f1d661e02a2022a44615afd20194f0d73ea38c5a2b8d5622050e7cd72ebb763608082c17398cdb5891a5c5921a78da6ae89b58f46008e8
- SSDEEP 24576:xKo0PseJf+loXFlDnbo7Dd9oi1gUEpAjNyBGSHX2Liuk+9Ku4NzzCQH/8TUnysl:h0kyFzbseiyISmLipLu4ZfumBQTeKU
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\is-87CRT.tmp\is-13CVM.tmp
- Size 647KB
- SHA256 5c6b8a1ab73cd03140040a3093e0d8466c666cd3fe17e8660dbc1a30d0b6f925
- MD5 b683339ce008e97a0243a0f83bca1e09
- SHA1 a8a4c078225ec9d94912762bda3a745d83dbe8f4
- SHA512 c39b2501f5887c363633c94b04d58396a0d285ff65963ed513e99ff2dd7f36da323904278c6a64b9f1f637aaeed17e3d9d40540baa9805369cc664a32c62c780
- SSDEEP 12288:KeuHnWgyrgVu4rPy37WzH0A6uaF4Ad7dNsVN1qRqhD1Yxp:zuHcrgVxrPy37WzH0A6uwpd7QN1DJYxp
- MD5 SHA1 SHA512 SSDEEP