147f9eb000c8b038c75bd51fd3ecf01f1a4e1f8cdef4d82665a1724def504377

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
11/03/2024, 13:25

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General

Target

2024-03-11_2b7f821c4be2095b7fada709e3770a9f_cryptolocker.exe
Size

77KB
MD5

2b7f821c4be2095b7fada709e3770a9f
SHA1

dfa60ad7d6b007529984d416e914f6ff5c7929e6
SHA256

147f9eb000c8b038c75bd51fd3ecf01f1a4e1f8cdef4d82665a1724def504377
SHA512

d75b11c1260e1ee2c2c7d784a868411c56900526f5ad47efd5a549bd611b551ab75ee1c42e5d92cc743e88ac8459bf52e6ab19c33b554aa20b65a358b0abfa2b
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3KEWTmu:ZVxkGOtEvwDpjcaxo

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012240-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2124	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1368	2024-03-11_2b7f821c4be2095b7fada709e3770a9f_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 1368 wrote to memory of 2124	1368	2024-03-11_2b7f821c4be2095b7fada709e3770a9f_cryptolocker.exe	28
PID 1368 wrote to memory of 2124	1368	2024-03-11_2b7f821c4be2095b7fada709e3770a9f_cryptolocker.exe	28
PID 1368 wrote to memory of 2124	1368	2024-03-11_2b7f821c4be2095b7fada709e3770a9f_cryptolocker.exe	28
PID 1368 wrote to memory of 2124	1368	2024-03-11_2b7f821c4be2095b7fada709e3770a9f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-11_2b7f821c4be2095b7fada709e3770a9f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-11_2b7f821c4be2095b7fada709e3770a9f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1368
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2124

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
77KB

MD5
73515a4c7611bf6acfe47a66bdf2303d

SHA1
1b7056888257d706c4ac53cdc047b980b1ef61b1

SHA256
2b8547bd4f38ad958085a9d3ccdda13d83caa19a61e94a735c7fc29e42604fcb

SHA512
778c86dfbfdd4612c03c296885f23d1eb8be994b1188a0587350ccc3136a6aa28dce6512f6ef745e9d7ef92c407139b2a71cc19a4fa0b3702a76a45f42f4b19a

Download Submit
memory/1368-1-0x0000000000230000-0x00000000002B0000-memory.dmp

Filesize
512KB

Download
memory/1368-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/1368-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1368-3-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2124-16-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2124-19-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download