5c97497acc6bb9181a68186626ad5cd5b5d6e938d24f71eea6b608b852fcdc7e

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 16:05

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General

Target

2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe
Size

37KB
MD5

f25127a141e0295e9be57a728d453ed0
SHA1

8a1ea4a652a54c3d17fee1be34fe25d1d5377fc4
SHA256

5c97497acc6bb9181a68186626ad5cd5b5d6e938d24f71eea6b608b852fcdc7e
SHA512

06589e30f57f1cfed7c0c7d916af20ac5f3acf018dbcd490785c08263e654be2f5e75dc2a2395f708ed2972943e5d24ae9e8bad227219a767a08b0b50bd7e753
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4k:fT+hsMQMOtEvwDpjoIHk

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2628 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe

pid process

2244 2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2628	misid.exe

pid	process
2244	2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe

description	pid	process	target process
PID 2244 wrote to memory of 2628	2244	2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe	misid.exe
PID 2244 wrote to memory of 2628	2244	2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe	misid.exe
PID 2244 wrote to memory of 2628	2244	2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe	misid.exe
PID 2244 wrote to memory of 2628	2244	2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_f25127a141e0295e9be57a728d453ed0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2244

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2628

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
37KB

MD5
a5445a60e80a3e4e5c5226561587329a

SHA1
20f4782af735ec9cc2a5c00bebf9b116113cb4e6

SHA256
14c0fe1a3037201bd971ffda75d258826520fcef1cd4b1173d47d3791aa7c63f

SHA512
36376fc1b6709c3db0b7cfd45722df5f2c7d1212761ef08cdcc23c0c9a4403e115bb4069c57aa49b36c671446b1dbc736c565bfdc791ee4f203aec61d5420843

Download Submit
memory/2244-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2244-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2244-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2628-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2628-22-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download