c11c0e0d45026d1d8e8e736f659486f62d125ba1e7e802a7ee3a589ce9b7a3b6

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 15:55

Target

2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe
Size

62KB
MD5

b910f37eeee1b0989d6f2f04d9bdadf4
SHA1

c19e088a4d731e8cd1d9896385898762856aeac6
SHA256

c11c0e0d45026d1d8e8e736f659486f62d125ba1e7e802a7ee3a589ce9b7a3b6
SHA512

6f7931f9214a264af70e61cd0af706d72abc8b62387c30a81bda0c252c95f02f446d87e04e4b8296e8cbfbf78e346548feaad8b34bd91f108ae4a4b53a7bf935
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9e:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWT3

Score

9^/10

Detection of CryptoLocker Variants 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2600-8-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral1/memory/1968-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1968-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2600-8-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral1/memory/1968-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1968-25-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

1968 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe

pid process

2600 2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1968	misid.exe

pid	process
2600	2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe

description	pid	process	target process
PID 2600 wrote to memory of 1968	2600	2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe	misid.exe
PID 2600 wrote to memory of 1968	2600	2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe	misid.exe
PID 2600 wrote to memory of 1968	2600	2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe	misid.exe
PID 2600 wrote to memory of 1968	2600	2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_b910f37eeee1b0989d6f2f04d9bdadf4_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:1968

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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

Filesize
62KB

MD5
d82467ad252a7446ac96f0cd6a13b22c

SHA1
73b14fb06eaaba0fef66522765f5097c71e1e2db

SHA256
d65c2f840a6c10519ca8d734669c9e1edf46d7515f571d0107fa66d9dda73a08

SHA512
96e59a840f650ebf634e6bb1f8c78c973e0c624126aaff9bd7accb9bd2feaed06f3b7c655844a31c7409c00bea330c21eebd7667d5cc627ee9d4e6a6982fa27c

Download Submit
memory/1968-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1968-17-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1968-24-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1968-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2600-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2600-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2600-9-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/2600-8-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download