2b0a7b54ae1ff37a412746b5ae08fcaad4e94dcf37fee4c296096aee77ef5cc4

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 01:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe
Size

92KB
MD5

a71cfc39453fb73c20bbc3563ef93d6c
SHA1

4f940a1c8b68a2f287684eed269acd869693de02
SHA256

2b0a7b54ae1ff37a412746b5ae08fcaad4e94dcf37fee4c296096aee77ef5cc4
SHA512

cc190fc715d532fd52799876572b125ab76e783a1790bba18a980826f1e711cc78d770b5b5287456d23c2b172b52ac80c37f62f365fcaa6a2f75316c367ab921
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQoOu7:vCjsIOtEvwDpj5H8zPsq

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2920	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2664	2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe

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	misid.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2920	2664	2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe	31
PID 2664 wrote to memory of 2920	2664	2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe	31
PID 2664 wrote to memory of 2920	2664	2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe	31
PID 2664 wrote to memory of 2920	2664	2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-08_a71cfc39453fb73c20bbc3563ef93d6c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2664
- 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:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
92KB

MD5
b2de44784b1ee363fea6098d27c9ca94

SHA1
fcd1d763ed8987198bf2336f4388b22874eb4ee7

SHA256
7b8bad6dfa1b6432cc0c40462fd83883ae34faa6247e028d590e7468fc0243c4

SHA512
a07db19bba4238009fc61cac7eed63005e3c20de6703373d4cb713cb8317f763f14a3b129320008a9f2f9e9bd9c0fa8fced9c7139d3085ee4e0697d81f8c8a29

Download Submit
memory/2664-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2664-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2664-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2920-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2920-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download