Analysis
-
max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/09/2024, 05:19
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe
Resource
win10v2004-20240802-en
General
-
Target
2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe
-
Size
39KB
-
MD5
c954cb7c198024e103e318fcd7c97b73
-
SHA1
2fefe77e31d22a187b941da52fea965a5e1e1bb8
-
SHA256
f5aaafe348b6aa641352e838f5973294d29affc910280a901e46346bd6839b5b
-
SHA512
7c2cb3de3aa7d9414de5bae31563bb1db7bae53f4b785941584a9df77abfaddf09254e5044d4290617cb9a5c8e7de5c173302511ba324cc38ddfbe1d6f33a0ca
-
SSDEEP
384:btBYQg/WIEhUCSNyepEjYnDOAlzVol6U/zzo+tkq4XDIwNiJXxXunRSy3LZ:btB9g/WItCSsAGjX7e9N0hunRvt
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2508 gewos.exe -
Loads dropped DLL 1 IoCs
pid Process 2972 2024-09-12_c954cb7c198024e103e318fcd7c97b73_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 2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gewos.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2972 2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe 2508 gewos.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2972 wrote to memory of 2508 2972 2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe 30 PID 2972 wrote to memory of 2508 2972 2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe 30 PID 2972 wrote to memory of 2508 2972 2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe 30 PID 2972 wrote to memory of 2508 2972 2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-12_c954cb7c198024e103e318fcd7c97b73_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2972 -
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:2508
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
40KB
MD5175a91ea1a7d224c069e7489bb3fd86f
SHA16037c9fbb27735b4f195593cac1de83a0b8ff900
SHA256fe9355554e449942aed1731434fab27cfceaf03c813e8f732394822194550e17
SHA5124a15c5d5c72ba3bdbfb9909eaac9d2e2535cd8b534e722ed219bfd26bb51f8754c87cfa4a8749b6b8ec2c70ddddef016b0c0f0b3d3eebef0baf64fb4a771db07