dc543b0e95d38b64abaffdd7b7326efcf043c9e59d1ad441d70213a611a261c6

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/05/2024, 18:43

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General

Target

2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_cryptolocker.exe
Size

37KB
MD5

acbccdc8e93f9aa99a70a8cb5d638d08
SHA1

7cbd3afcfba09ca4a9571067033f932cf12921d2
SHA256

dc543b0e95d38b64abaffdd7b7326efcf043c9e59d1ad441d70213a611a261c6
SHA512

3a444bdb05d9c260f23baa94c03fe70dae959d45bea04daf3522a1786b540d06738861fec59c30df18bb683a03c8fb7fd677dada588aec069a2c251d537d2eac
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4+:fT+hsMQMOtEvwDpjoIH+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001466c-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001466c-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2116	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2072	2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_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 2072 wrote to memory of 2116	2072	2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_cryptolocker.exe	28
PID 2072 wrote to memory of 2116	2072	2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_cryptolocker.exe	28
PID 2072 wrote to memory of 2116	2072	2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_cryptolocker.exe	28
PID 2072 wrote to memory of 2116	2072	2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-11_acbccdc8e93f9aa99a70a8cb5d638d08_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2116

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
37KB

MD5
bd04794a6909200af1e2c6e6e478d2e0

SHA1
5fff5e8eb8251da836f454625ae103f35aa7fe5a

SHA256
589dcd4669de94d11d6d61a0a143a5ffd99b6c2169d0996a1c4f467fc591dc0c

SHA512
4f025087d5bc1686a7509c9f243769fccc0b77361df340f23ca89f1b32e6e296e6e5fbb90cbf32b9fda1f91939376d8e59f7599c15d40cc11c401983f023f51b

Download Submit
memory/2072-0-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2072-8-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2072-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2116-15-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2116-22-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download