d336a0408b528054b6dcec72b4a62b4361c417b8e66692bc04b8ca45a600f69d

Analysis

max time kernel
133s
max time network
141s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 07:27

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General

Target

2024-05-23_63af594c7bda42b478f3e71a6bcbd015_cryptolocker.exe
Size

54KB
MD5

63af594c7bda42b478f3e71a6bcbd015
SHA1

7799389d7292ccae4dd533fa454202fd0197871b
SHA256

d336a0408b528054b6dcec72b4a62b4361c417b8e66692bc04b8ca45a600f69d
SHA512

540cbb91a475cb144176f0241f7e8721725d20cea33ced2187882540a04ea777b09267115785f5ea0f128e91ecb63ff277e7a0233d4dda17c5390ca811ad1cba
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdO5Ujc:ZVxkGOtEvwDpjcV

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012286-13.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2836	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2600	2024-05-23_63af594c7bda42b478f3e71a6bcbd015_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 2600 wrote to memory of 2836	2600	2024-05-23_63af594c7bda42b478f3e71a6bcbd015_cryptolocker.exe	28
PID 2600 wrote to memory of 2836	2600	2024-05-23_63af594c7bda42b478f3e71a6bcbd015_cryptolocker.exe	28
PID 2600 wrote to memory of 2836	2600	2024-05-23_63af594c7bda42b478f3e71a6bcbd015_cryptolocker.exe	28
PID 2600 wrote to memory of 2836	2600	2024-05-23_63af594c7bda42b478f3e71a6bcbd015_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-23_63af594c7bda42b478f3e71a6bcbd015_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_63af594c7bda42b478f3e71a6bcbd015_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2836

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
55KB

MD5
fe235e817d4670c1bb87f280d0745e54

SHA1
76f466c9d419d840d39d5653649ca7460b0d67f0

SHA256
0d57a91584191159903c05fdc70e211d1c37dba62a05d791a1aa324141c968a6

SHA512
eb0c26053da5f0dd7c049bf7c8b3e71593b95c91dfdb947bb2ba73b6ca46c793ce81d321d6aff62bb99e77197acb98826d8dbf8d312f6fb83a3572d511801554

Download Submit
memory/2600-1-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/2600-8-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2600-0-0x00000000003B0000-0x00000000003B6000-memory.dmp

Filesize
24KB

Download
memory/2836-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2836-23-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2836-22-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2836-24-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download