5acbb94d60c4ec48db0fb488397ee1740417e4b5afcf7da6be5683c99a89c4ad

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:24

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General

Target

2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe
Size

82KB
MD5

247de987a6891d0fdac4ab1f8c65848c
SHA1

465d604f51b63ca91a3881957ca55009a4d1f8f6
SHA256

5acbb94d60c4ec48db0fb488397ee1740417e4b5afcf7da6be5683c99a89c4ad
SHA512

4e0df7eb1e73a31739677f6bcff3c8b3e8e5ac272a5a15eef7ec7ae7375b27fce1e3b2927e8c2e435cb5035e4a4ae7dbb498636e0b128db228e94dd23bfa4dde
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPFH3:V6QFElP6n+gMQMOtEvwDpjyaLccVNlb

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001223b-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001223b-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2760	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2240	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_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 2240 wrote to memory of 2760	2240	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe	28
PID 2240 wrote to memory of 2760	2240	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe	28
PID 2240 wrote to memory of 2760	2240	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe	28
PID 2240 wrote to memory of 2760	2240	2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_247de987a6891d0fdac4ab1f8c65848c_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2760

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\asih.exe

Filesize
82KB

MD5
80ad63e2741a4cd960d5c83a04b4ef94

SHA1
6368cbe3cdc1509ae7fa6139ffa83bd05cb81a18

SHA256
698596ddfa14a08e78cfaac88b199560063c3f0b54fb63e7da945000f3418009

SHA512
5b17ec888a1c0c55565376f193df987cf99ec590d5c21051696ce4e75044b43142dbc5cc6c2fca70b8657b2ef296b2228bd311e2bab3ce7ba1d9b7fa44d277ad

Download Submit
memory/2240-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2240-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2240-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2760-15-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2760-16-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download