9c4a6deb2bdfbf4a44f6c0e1dcaba0000a77debdb50b3ff86a5d6e7f224ea69e

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 07:21

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-02-14_f817945c1440fc889eade88d9abafddb_cryptolocker.exe
Size

79KB
MD5

f817945c1440fc889eade88d9abafddb
SHA1

f022ffaa5853d450b9736dc60c6b206d654c4cbf
SHA256

9c4a6deb2bdfbf4a44f6c0e1dcaba0000a77debdb50b3ff86a5d6e7f224ea69e
SHA512

64ef20b97b2f572eba6ff9166d625c20e390534be80b1c35280e24f3d2cb480559f3922b1ef5d3dfe7e00adfddf0d2092ef9708784fcbe0ea4704ad25a473978
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIufL+3t:vCjsIOtEvwDpj5H9YvQd2a

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014120-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000014120-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2336	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2148	2024-02-14_f817945c1440fc889eade88d9abafddb_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 2148 wrote to memory of 2336	2148	2024-02-14_f817945c1440fc889eade88d9abafddb_cryptolocker.exe	28
PID 2148 wrote to memory of 2336	2148	2024-02-14_f817945c1440fc889eade88d9abafddb_cryptolocker.exe	28
PID 2148 wrote to memory of 2336	2148	2024-02-14_f817945c1440fc889eade88d9abafddb_cryptolocker.exe	28
PID 2148 wrote to memory of 2336	2148	2024-02-14_f817945c1440fc889eade88d9abafddb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-14_f817945c1440fc889eade88d9abafddb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-14_f817945c1440fc889eade88d9abafddb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2336

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

Loading Replay Monitor...

Downloads

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

Filesize
79KB

MD5
f09cf30510e57148677aa296dc5d1ccb

SHA1
21b95bd701fd0e1d1ae5a6f8ab6703e6c5b22fef

SHA256
3992c025ebdb08d1a05526662ed7e9ced92b20c8e40d68fbd637019fd1098e0a

SHA512
f0970052a4ab5dc71d66406c69e65f2a9f8da5c35a5bc2cdcb7f5dfca07e62d32694beb6f2c56dc8e11c7749f2eb282fe5e33527b00f66898603d513ae3f2caf

Download Submit
memory/2148-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2148-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2148-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2336-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2336-16-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download