8755b364d286235cac7b49096fbacd6337c817e66fff86ae3842f3d939131d7c

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 04:36

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General

Target

2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe
Size

119KB
MD5

ab0f9dd42c1043d8637fce86fecdc7fd
SHA1

3dafb7dc22ccad584f6860fc448a275c3bc94a9c
SHA256

8755b364d286235cac7b49096fbacd6337c817e66fff86ae3842f3d939131d7c
SHA512

2657ad247ee4548ba740bc2251f8c9eb1eeb3eaf606d5b75bbf1bd0866d8b057a4bac6e9857e28aad5afb4496912af0cdc13b0ba98d5b3fb8cf03d91c8f750e3
SSDEEP

768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ7uyA36S7MpxRIIXVe3mU9TYwlOBTT:gUj+AIMOtEvwDpjNbwQEIPlemUhYj

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3000	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2948	2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 3000	2948	2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe	31
PID 2948 wrote to memory of 3000	2948	2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe	31
PID 2948 wrote to memory of 3000	2948	2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe	31
PID 2948 wrote to memory of 3000	2948	2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-25_ab0f9dd42c1043d8637fce86fecdc7fd_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
120KB

MD5
d2a3abdb2fbe5238f84b167809f8f434

SHA1
96527ef8ff0f054dbc98e23639d3f90ee3090f8a

SHA256
2b85086dd8939d86785e5ea63bfc981affddd448a2da4e3c498984da4f202da1

SHA512
3ca32f5bc3a4744adda467a489a4e9c73ada6dbd91b9e30db84ba59ef098ea4b67707a04dc6df0d4b7831ead46c0790acfb9fbacdd4032a9faa10dce423732a1

Download Submit
memory/2948-0-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2948-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2948-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/3000-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3000-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download