2e0bbb1af98585bbba65bb49e39ab27853f4067b9931960a4e48a56f4decfb40

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 05:49

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General

Target

2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_cryptolocker.exe
Size

90KB
MD5

8ec63c3780c6dedac8b7b8dbfbed502f
SHA1

2a593d7cba9ff8813cb289bd95f027e23d2203cb
SHA256

2e0bbb1af98585bbba65bb49e39ab27853f4067b9931960a4e48a56f4decfb40
SHA512

66c2a340cbdc2e264f5b235fbc7a57dbe0a093f637bb0673a49941d9fb78dbbe77dad7ca86126596552a4f5f6cbdce9e4e337b207a3fb8bf7376599b283f7765
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNpAPK:vCjsIOtEvwDpj5H8zPsj

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012330-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012330-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2532	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_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 3056 wrote to memory of 2532	3056	2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_cryptolocker.exe	28
PID 3056 wrote to memory of 2532	3056	2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_cryptolocker.exe	28
PID 3056 wrote to memory of 2532	3056	2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_cryptolocker.exe	28
PID 3056 wrote to memory of 2532	3056	2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_8ec63c3780c6dedac8b7b8dbfbed502f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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
90KB

MD5
ff7f05fe62f62a7ac85c1fb5c958b477

SHA1
973b3473bd1f20853566f28a5d9a8749f2e77cd5

SHA256
b146aa2b18d42391a2aeb8e6b5fed8aed5272212ae11bacc1c16693883222b0a

SHA512
d97b3c71fd23dc5963ae837c0f38cffed6ede2b296763a93fd23b8969641e62107ab8d549963f6ae3e6543eed06723aedb74d81b4bb35618bb2c3a3fecd34b61

Download Submit
memory/2532-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2532-17-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/3056-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3056-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3056-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download