048ba25ab37fd36bd1d357504d6e5f32c1fc9f6f8ac318aaeafbd831752381fa

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 05:01

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General

Target

2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe
Size

39KB
MD5

9cf30125a29f02c6d3a578c31955304d
SHA1

0cc1a801a90c91725aecba6b5830072b5bdece9e
SHA256

048ba25ab37fd36bd1d357504d6e5f32c1fc9f6f8ac318aaeafbd831752381fa
SHA512

e9c94b7ce674532a05135f34b821e4ad44210a0f19a5493eb2abbd06fe73cb6eef6223409004e73dde6c19fb800be57b90d4f7d264e64d7611f2db30e89768a4
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQLL1:ZzFbxmLPWQMOtEvwDpjLeU5

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012248-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1268	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2200	2024-02-25_9cf30125a29f02c6d3a578c31955304d_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 2200 wrote to memory of 1268	2200	2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe	28
PID 2200 wrote to memory of 1268	2200	2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe	28
PID 2200 wrote to memory of 1268	2200	2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe	28
PID 2200 wrote to memory of 1268	2200	2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_9cf30125a29f02c6d3a578c31955304d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1268

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
39KB

MD5
12975329fd584e0ed1d90701be15181f

SHA1
6acd83f6739b2824bed284fbd88ff8b3b6fcbca2

SHA256
f0748e9d004bd9b6987e5a5fc705177b06eb0cd057394b717dc25584ddb11f0b

SHA512
74930e018df46855a038ac39133bcff000c1cf956233dba7663756a3b40f8184e6b940ec908525d9cc8524717ffc13deef4e4e2fa3f5ea29eb081c860923faf5

Download Submit
memory/1268-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1268-21-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1268-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2200-1-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2200-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2200-2-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2200-5-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download