2b65627e3246deb37adcf6dd3eaf2199d5e8c42e6a52ab46e23410652eb5e001

Analysis

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

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 11:44

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General

Target

2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe
Size

37KB
MD5

7ee115d1d3915533137e3688e5dcc994
SHA1

a00baf1064e9a43bf93dbeeaf63aede5fa02eb2c
SHA256

2b65627e3246deb37adcf6dd3eaf2199d5e8c42e6a52ab46e23410652eb5e001
SHA512

d1f726c7f6f90c1da0306353af0e12dc2cf1f097b65d37f2c88c24e913fbefe8ca16d20cfe996280e3283b929b75296ceaff82f4f80ac07b9f9d830d3cfa76f1
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4PE:fT+hsMQMOtEvwDpjoIHM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000149f5-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000149f5-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2964	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2880	2024-06-04_7ee115d1d3915533137e3688e5dcc994_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 2880 wrote to memory of 2964	2880	2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe	28
PID 2880 wrote to memory of 2964	2880	2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe	28
PID 2880 wrote to memory of 2964	2880	2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe	28
PID 2880 wrote to memory of 2964	2880	2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-04_7ee115d1d3915533137e3688e5dcc994_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2964

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
37KB

MD5
70bbb48fe0737590e24e6d0e3837e674

SHA1
b2fac34b76090d2a07e5bb9c9c5c69f1bc86b9ce

SHA256
5dd9504af27efb136ed85b45c57b3d2ea4fbbd789349b620627f5914823e18f1

SHA512
5eece152d1b2890c3a74b3cd0ab1bd34ca064796b6914ef75ad290eb2d735769f3652834f125e066c67584cd1835301f4834491d74cb637cf7a1adbe035fd81c

Download Submit
memory/2880-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2880-1-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2880-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2964-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download