00b26fd9dbce033385d72ec19797ae793e7996167fb6bb822e2976897acb0f42

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
17/02/2024, 07:54

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General

Target

2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_cryptolocker.exe
Size

125KB
MD5

d7d208317fc8f1d61cd75ec7ca78c868
SHA1

71243bdbbeebfe845bcaae1d9532d24036427cbf
SHA256

00b26fd9dbce033385d72ec19797ae793e7996167fb6bb822e2976897acb0f42
SHA512

21875f0e9772ba43be1fa13d46fdd1c70b3f95f7e7e56c6110ea73f54198287d5fcdf42b6e07d34ff7534d36b71c282e648e17875538ab6bcd894ec4c2b035d0
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//LIi:vCjsIOtEvwDpj5H9YvQd2RT

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000122fa-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2548	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1568	2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_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 1568 wrote to memory of 2548	1568	2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_cryptolocker.exe	28
PID 1568 wrote to memory of 2548	1568	2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_cryptolocker.exe	28
PID 1568 wrote to memory of 2548	1568	2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_cryptolocker.exe	28
PID 1568 wrote to memory of 2548	1568	2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-17_d7d208317fc8f1d61cd75ec7ca78c868_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2548

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
126KB

MD5
81df4b53529d878484d5bed842614805

SHA1
8cb744b2feba7d8a0b4ca52d905d0cbd7072a353

SHA256
da47634cf506e9b8b420f02a2cd610240e7a6b870fe1374b846b4a2049f439d2

SHA512
95a8f52260f98563c0874fddfceadc3ff81cb8b02d6d46f8d54429950ae96f7dc81e735adda100f7b70721d3a2481e9b557045953a898312043c4a8408c2d204

Download Submit
memory/1568-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1568-1-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1568-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2548-15-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2548-22-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download