b5e4429ffe976d4fc67cc31ed4735a8cc1efdfed44420c784217eed3bddcc044

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
03/08/2023, 16:44

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General

Target

4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe
Size

35KB
MD5

4e9d0024a5ad539d6e2dc65027d53fba
SHA1

6ca7f1ad30970a9f25410497d133539a84e4e97f
SHA256

b5e4429ffe976d4fc67cc31ed4735a8cc1efdfed44420c784217eed3bddcc044
SHA512

04776fb842a40c04305c196ea502ed4f47acb22b3cf7509fbfe96514b7f00d81b42dd5f484d12aca3c3bd77ef7a322cbd8127c9e25f3f8e00e8eede0bc8d8451
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL3hrMP8:vj+jsMQMOtEvwDpj5H+MP8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2988	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3020	4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2988	3020	4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe	28
PID 3020 wrote to memory of 2988	3020	4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe	28
PID 3020 wrote to memory of 2988	3020	4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe	28
PID 3020 wrote to memory of 2988	3020	4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\4e9d0024a5ad539d6e2dc65027d53fba_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
35KB

MD5
4820e47a070251513c6e47567a703b33

SHA1
a5caf413d0126d1e6d72594747689b6b30cddba0

SHA256
f964cb706c02baa1c2a8bfb04ead0b586e0cd26b6d134ab44f80dd4412e2ae82

SHA512
e16d5906e63327933fdae3e3e4e52ff9426ad2343302d762211d5c169b96b4a426d6c0b0962061646c1c02e583e797aaaa240270547972b7d1aa1fc9a79175b3

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

Filesize
35KB

MD5
4820e47a070251513c6e47567a703b33

SHA1
a5caf413d0126d1e6d72594747689b6b30cddba0

SHA256
f964cb706c02baa1c2a8bfb04ead0b586e0cd26b6d134ab44f80dd4412e2ae82

SHA512
e16d5906e63327933fdae3e3e4e52ff9426ad2343302d762211d5c169b96b4a426d6c0b0962061646c1c02e583e797aaaa240270547972b7d1aa1fc9a79175b3

Download Submit
\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
35KB

MD5
4820e47a070251513c6e47567a703b33

SHA1
a5caf413d0126d1e6d72594747689b6b30cddba0

SHA256
f964cb706c02baa1c2a8bfb04ead0b586e0cd26b6d134ab44f80dd4412e2ae82

SHA512
e16d5906e63327933fdae3e3e4e52ff9426ad2343302d762211d5c169b96b4a426d6c0b0962061646c1c02e583e797aaaa240270547972b7d1aa1fc9a79175b3

Download Submit
memory/2988-70-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2988-69-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3020-54-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3020-55-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3020-56-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download