f328519811aee2a4b28259680904e72f994cdd3249379f9bea7f3860b29c9b64

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 12:51

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General

Target

2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_cryptolocker.exe
Size

37KB
MD5

e2a3cc041512f2c2927d0207e2aa4ea8
SHA1

83cc528c2a60eb1bfc0049c55996de5f2a4162a2
SHA256

f328519811aee2a4b28259680904e72f994cdd3249379f9bea7f3860b29c9b64
SHA512

a3891062217ee85964e81166d47a4a70030b279266070a5c72603f8f637ad9a7974bebd7d92d3f4a8ba7ad2fcb2dd785f42c42c27249ecb60eccd324894ffa3a
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qp:fT+hsMQMOtEvwDpjoIHK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000014228-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000014228-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2340	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_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 2364 wrote to memory of 2340	2364	2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_cryptolocker.exe	28
PID 2364 wrote to memory of 2340	2364	2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_cryptolocker.exe	28
PID 2364 wrote to memory of 2340	2364	2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_cryptolocker.exe	28
PID 2364 wrote to memory of 2340	2364	2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_e2a3cc041512f2c2927d0207e2aa4ea8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2340

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
021c67323d7be2a59acd82fe3042841a

SHA1
5628bc54c2b45dcbe1eed0021955a7718c1e6ec3

SHA256
7bb4ab8cac7c2b86288463178dbe14c12fd121434afbc2e20f2a9bdd5116a788

SHA512
7a3e149319069b96a0e0c631fe04caaa5d82867b206dbc84a9f10435ff5e3e6dc4134023a988c1694fcaf938caa0dc0fab036bdb627b980cdf1888475911eca9

Download Submit
memory/2340-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2364-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2364-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2364-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download