d01486bd1ff324cebe599fc8be8a383173cdf52fdf7bfaa5592e980ec7426a0e

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
10/03/2024, 05:25

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General

Target

2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.exe
Size

59KB
MD5

02bd2b240ab5673409b8c5dd464f61c7
SHA1

bf6e95cca053087b96ef1aa874ce3ebd4c5bdc4f
SHA256

d01486bd1ff324cebe599fc8be8a383173cdf52fdf7bfaa5592e980ec7426a0e
SHA512

f9bd1f8da846a71d2a6615dd47874bfc938abd5d77e07b38358346aad3ac66ca663fcf6a0d47ab383a80ba816118a9c475d58f15002ef45f8f8af98c5860f0b7
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCY8EQMjpi/Wpi3B3URiLnuoUwUsfqB1q:vj+jsMQMOtEvwDpj5Hy7B3gG8xzUIA

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012253-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2444	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2860	2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.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 2860 wrote to memory of 2444	2860	2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.exe	28
PID 2860 wrote to memory of 2444	2860	2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.exe	28
PID 2860 wrote to memory of 2444	2860	2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.exe	28
PID 2860 wrote to memory of 2444	2860	2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_02bd2b240ab5673409b8c5dd464f61c7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2444

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

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

Filesize
60KB

MD5
39908e3ab545a7f2600e350e004d5f1a

SHA1
2aa37f8e4ba2a91fcc5700ebdbc81e031c51a6af

SHA256
5a208b3f437e8a86c3af0929faa476ba53fc6b5e9b38e6e43a1b038f82342494

SHA512
123c756b632f9017a1c8512378f1e9aab5eab31637fb6d8b7638a27646f1df6a26f18660f4248c6e3085d9c193b8036285e7ab8d4a67d7b4bbc04edfbd0cd29e

Download Submit
memory/2444-15-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2860-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2860-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2860-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download