Analysis
-
max time kernel
48s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system -
submitted
28-03-2024 15:06
Static task
static1
Behavioral task
behavioral1
Sample
215c37360388d16653ffc1740c639d486753a9db69a8ad4f3e1b172b1b712df4.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
5e902a138174c34e5445685c82b2044e0b35565854471aaccef0315c77288dc9.exe
Resource
win7-20240220-en
Behavioral task
behavioral3
Sample
8d2f2ee24882afe11f50e3d6d9400e35fa66724b321cb9f5a246baf63cbc1788.exe
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe
Resource
win7-20240215-en
Behavioral task
behavioral5
Sample
f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe
Resource
win7-20240221-en
General
-
Target
d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe
-
Size
338KB
-
MD5
04fb36199787f2e3e2135611a38321eb
-
SHA1
65559245709fe98052eb284577f1fd61c01ad20d
-
SHA256
d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
-
SHA512
533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444
-
SSDEEP
6144:sWmw0EuCN0pLWgTO3x5N22vWvLRKKAX5l++SybIvC:sWkEuCaNT85I2vCMX5l+ZRv
Malware Config
Signatures
-
CryptoLocker
Ransomware family with multiple variants.
-
Deletes itself 1 IoCs
pid Process 2788 {34184A33-0407-212E-3320-09040709E2C2}.exe -
Executes dropped EXE 2 IoCs
pid Process 2788 {34184A33-0407-212E-3320-09040709E2C2}.exe 2520 {34184A33-0407-212E-3320-09040709E2C2}.exe -
Loads dropped DLL 2 IoCs
pid Process 2316 d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe 2788 {34184A33-0407-212E-3320-09040709E2C2}.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\{34184A33-0407-212E-3320-09040709E2C2}.exe" {34184A33-0407-212E-3320-09040709E2C2}.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2316 wrote to memory of 2788 2316 d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe 28 PID 2316 wrote to memory of 2788 2316 d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe 28 PID 2316 wrote to memory of 2788 2316 d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe 28 PID 2316 wrote to memory of 2788 2316 d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe 28 PID 2788 wrote to memory of 2520 2788 {34184A33-0407-212E-3320-09040709E2C2}.exe 29 PID 2788 wrote to memory of 2520 2788 {34184A33-0407-212E-3320-09040709E2C2}.exe 29 PID 2788 wrote to memory of 2520 2788 {34184A33-0407-212E-3320-09040709E2C2}.exe 29 PID 2788 wrote to memory of 2520 2788 {34184A33-0407-212E-3320-09040709E2C2}.exe 29
Processes
-
C:\Users\Admin\AppData\Local\Temp\d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe"C:\Users\Admin\AppData\Local\Temp\d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2316 -
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2788 -
C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe"C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w000000C83⤵
- Executes dropped EXE
PID:2520
-
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
338KB
MD504fb36199787f2e3e2135611a38321eb
SHA165559245709fe98052eb284577f1fd61c01ad20d
SHA256d765e722e295969c0a5c2d90f549db8b89ab617900bf4698db41c7cdad993bb9
SHA512533d6603f6e2a77bd1b2c6591a135c4717753d53317c1be06e43774e896d9543bcd0ea6904a0688aa84b2d8424641d68994b1e7dc4aa46d66c36feecb6145444