0a31bd876aa92ceb8bcfd6d4e605df8e5c9aeb5b015ff5e3d9b3964c089b355e

Analysis

max time kernel
136s
max time network
149s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
23/10/2023, 19:21

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General

Target

NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_cryptolocker_JC.exe
Size

59KB
MD5

0c8793c80c0e0c88e84c133f91146a32
SHA1

e920cf766f39b5575376d789252fade2eb953371
SHA256

0a31bd876aa92ceb8bcfd6d4e605df8e5c9aeb5b015ff5e3d9b3964c089b355e
SHA512

a08be83a42e2a80dbb95c2a6552e70408b693e431b4bef194d1c1ca9d6b8f45b9c95169365213cda3402482dcaaa927b1a3615bb8363aa0a101b1d6ed609b672
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJT/EH:ZVxkGOtEvwDpjcO8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1996	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2016	NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_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 2016 wrote to memory of 1996	2016	NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_cryptolocker_JC.exe	28
PID 2016 wrote to memory of 1996	2016	NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_cryptolocker_JC.exe	28
PID 2016 wrote to memory of 1996	2016	NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_cryptolocker_JC.exe	28
PID 2016 wrote to memory of 1996	2016	NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-06_0c8793c80c0e0c88e84c133f91146a32_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1996

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
59KB

MD5
475ec7935a6e51a6c7ef80178f294554

SHA1
dbe8e3fb3633fc490682048f5033b23a47cee8eb

SHA256
425643edeaca8a4dcbf01e3d723e8f75ffbc30c1e72ade61e27b9192af48b3af

SHA512
7254b981547d0e826b6acb183fa94ddce3d07a989da9eccba4bfc29258636f03c57d83e1ab268e8b2afb71443e27a0e39add534b244205804a244f6a9125ffc6

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

Filesize
59KB

MD5
475ec7935a6e51a6c7ef80178f294554

SHA1
dbe8e3fb3633fc490682048f5033b23a47cee8eb

SHA256
425643edeaca8a4dcbf01e3d723e8f75ffbc30c1e72ade61e27b9192af48b3af

SHA512
7254b981547d0e826b6acb183fa94ddce3d07a989da9eccba4bfc29258636f03c57d83e1ab268e8b2afb71443e27a0e39add534b244205804a244f6a9125ffc6

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

Filesize
59KB

MD5
475ec7935a6e51a6c7ef80178f294554

SHA1
dbe8e3fb3633fc490682048f5033b23a47cee8eb

SHA256
425643edeaca8a4dcbf01e3d723e8f75ffbc30c1e72ade61e27b9192af48b3af

SHA512
7254b981547d0e826b6acb183fa94ddce3d07a989da9eccba4bfc29258636f03c57d83e1ab268e8b2afb71443e27a0e39add534b244205804a244f6a9125ffc6

Download Submit
memory/1996-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1996-18-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1996-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1996-25-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2016-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2016-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2016-3-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2016-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download