Analysis
-
max time kernel
32s -
max time network
110s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/09/2024, 03:40
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe
-
Size
41KB
-
MD5
cda658974c5cadf4a833c739b188da56
-
SHA1
49f17f2bfeb3439a47ca9318875a0ca9efe17632
-
SHA256
8e238671fa8ec435e379d5aa8759d1decb8b1b8aa4f63fbd665e8c66d6b50dc0
-
SHA512
27ea4bac53fdb3eaba91ad30cbf581554fcda20d43d4cffb194c1c7cee9ea0808a1ec46209755fa2c16b700b4ed05f184bf0b02bcae4b94bb3d52d83ba5e18ce
-
SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4l8tFFxE2B94IOMHo3sxP1Tx:btB9g/WItCSsAGjX7r3BPOMHoc/QQJPH
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2760 gewos.exe -
Loads dropped DLL 1 IoCs
pid Process 2104 2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
System Location Discovery: System Language Discovery 1 TTPs 2 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 2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2104 2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe 2760 gewos.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2104 wrote to memory of 2760 2104 2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe 29 PID 2104 wrote to memory of 2760 2104 2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe 29 PID 2104 wrote to memory of 2760 2104 2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe 29 PID 2104 wrote to memory of 2760 2104 2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-19_cda658974c5cadf4a833c739b188da56_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2104 -
C:\Users\Admin\AppData\Local\Temp\gewos.exe"C:\Users\Admin\AppData\Local\Temp\gewos.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2760
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
42KB
MD5b001ce43d5c607f9dff54f36be844241
SHA146fb8b72a6c1f3416f4143fc319e375a70f1c9d3
SHA2562c9f24f3c5535a6db2dbf8a39b5232d113e7dc47c05566a7c24eec30791e90db
SHA512f30b3733d514ac34bf224d953b46952a3243f006ac0901eef2367ea1d78ad5e12b6a0cd472ac7e255234eaa07ab7a12607e4d823ac33755c3ba6a5516e297adb