eec575180b9d9119bc3d99f647762552d41964efe4342032dd510f30e9ba3ec4

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 23:52

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General

Target

2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe
Size

50KB
MD5

f80ecf9a0b1a62f65a57a20e65c16cae
SHA1

cb676236a2ef58b471f9a10cf9a9eb780efd2776
SHA256

eec575180b9d9119bc3d99f647762552d41964efe4342032dd510f30e9ba3ec4
SHA512

f372c6774eb29d8caea22cf23d8194e8f5563d13d2167b81117c556d6fe31cbdc98fbc772c3d43e2587ff35f91de7370cb8b197d0684a6c44ae3fa4a3c08fbb1
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ15x8GZ:ZVxkGOtEvwDpjcw

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001226d-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2888	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2108	2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_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 2108 wrote to memory of 2888	2108	2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe	28
PID 2108 wrote to memory of 2888	2108	2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe	28
PID 2108 wrote to memory of 2888	2108	2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe	28
PID 2108 wrote to memory of 2888	2108	2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-09_f80ecf9a0b1a62f65a57a20e65c16cae_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2888

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
51KB

MD5
fdafc40a2c9a990cd144e912c071a7c7

SHA1
1134c8e649887bf7e43d56765b6f42f590045f4d

SHA256
44d64b2b2c1abf80df6a36dc66f2ea752b92c03a11ec3d7f7cf4a50bebd7e2f5

SHA512
3b1b3a6aa3117a7a533ea387ab7e9a22b4a5cbb7412bf6823e47b48c4e352fafd2b62fd6e168033a7f88ab2f5596057e1f8a729d1e73faf63361ae4329d8e218

Download Submit
memory/2108-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2108-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2108-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2108-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2888-15-0x00000000003B0000-0x00000000003B3000-memory.dmp

Filesize
12KB

Download
memory/2888-24-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2888-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download